src/main/java/org/apache/log4j/LogMF.java [279:1673]:
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    private static void forcedLog(final Logger logger,
                                  final Level level,
                                  final String msg) {
        logger.callAppenders(new LoggingEvent(FQCN, logger, level, msg, null));
    }

    /**
     * Equivalent of Logger.forcedLog.
     *
     * @param logger logger, may not be null.
     * @param level level, may not be null.
     * @param msg message, may be null.
     * @param t throwable.
     */
    private static void forcedLog(final Logger logger,
                                  final Level level,
                                  final String msg,
                                  final Throwable t) {
        logger.callAppenders(new LoggingEvent(FQCN, logger, level, msg, t));
    }
    /**
         * Log a parameterized message at trace level.
         * @param logger logger, may not be null.
         * @param pattern pattern, may be null.
         * @param arguments an array of arguments to be
         *          formatted and substituted.
         */
    public static void trace(final Logger logger, final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, arguments));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final Object[] arguments) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, arguments));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final Object[] arguments) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, arguments));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, arguments));
        }
    }

    /**
     * Log a parameterized message at error level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void error(final Logger logger, final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(Level.ERROR)) {
            forcedLog(logger, Level.ERROR, format(pattern, arguments));
        }
    }

    /**
     * Log a parameterized message at fatal level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void fatal(final Logger logger, final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(Level.FATAL)) {
            forcedLog(logger, Level.FATAL, format(pattern, arguments));
        }
    }

    /**
         * Log a parameterized message at trace level.
         * @param logger logger, may not be null.
         * @param t throwable, may be null.
         * @param pattern pattern, may be null.
         * @param arguments an array of arguments to be
         *          formatted and substituted.
         */
    public static void trace(final Logger logger,
                             final Throwable t,
                             final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, arguments), t);
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param t throwable, may be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void debug(final Logger logger,
                             final Throwable t,
                             final String pattern,
        final Object[] arguments) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, arguments), t);
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param t throwable, may be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void info(final Logger logger,
                            final Throwable t,
                            final String pattern,
        final Object[] arguments) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, arguments), t);
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param t throwable, may be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void warn(final Logger logger,
                            final Throwable t,
                            final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, arguments), t);
        }
    }

    /**
     * Log a parameterized message at error level.
     * @param logger logger, may not be null.
     * @param t throwable, may be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void error(final Logger logger,
                             final Throwable t,
                             final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(Level.ERROR)) {
            forcedLog(logger, Level.ERROR, format(pattern, arguments), t);
        }
    }

    /**
     * Log a parameterized message at fatal level.
     * @param logger logger, may not be null.
     * @param t throwable, may be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void fatal(final Logger logger,
                             final Throwable t,
                             final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(Level.FATAL)) {
            forcedLog(logger, Level.FATAL, format(pattern, arguments), t);
        }
    }



    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final boolean argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final char argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final byte argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final short argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final int argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final long argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final float argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final double argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final Object argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, argument));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final Object arg0, final Object arg1) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE,
                    format(pattern, toArray(arg0, arg1)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE,
                    format(pattern, toArray(arg0, arg1, arg2)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     * @param arg3 a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2,
        final Object arg3) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE,
                    format(pattern, toArray(arg0, arg1, arg2, arg3)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final boolean argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final char argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final byte argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final short argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final int argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final long argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final float argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final double argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final Object argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, argument));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final Object arg0, final Object arg1) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG,
                    format(pattern, toArray(arg0, arg1)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG,
                    format(pattern, toArray(arg0, arg1, arg2)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     * @param arg3 a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2,
        final Object arg3) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG,
                    format(pattern, toArray(arg0, arg1, arg2, arg3)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final boolean argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final char argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final byte argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final short argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final int argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final long argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final float argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final double argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final Object argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, argument));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final Object arg0, final Object arg1) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, toArray(arg0, arg1)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern,
                    toArray(arg0, arg1, arg2)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     * @param arg3 a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2,
        final Object arg3) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern,
                    toArray(arg0, arg1, arg2, arg3)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final boolean argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final char argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final byte argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final short argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final int argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final long argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final float argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final double argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final Object argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, argument));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final Object arg0, final Object arg1) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN,
                    format(pattern, toArray(arg0, arg1)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN,
                    format(pattern, toArray(arg0, arg1, arg2)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     * @param arg3 a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2,
        final Object arg3) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern,
                    toArray(arg0, arg1, arg2, arg3)));
        }
    }

    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param parameters parameters to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final Object[] parameters) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, parameters));
        }
    }

    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
     * @param t throwable, may be null.
      * @param pattern pattern, may be null.
     * @param parameters parameters to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final Throwable t,
                             final String pattern,
                             final Object[] parameters) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, parameters), t);
        }
    }

    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final Object param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(param1)));
        }
    }

    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final boolean param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }


    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final byte param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }


    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final char param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final short param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final int param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }


    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final long param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }


    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final float param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }


    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final double param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }


    /**
     * Log a parameterized message at specified level.
     * @param logger logger, may not be null.
     * @param level level, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     */
    public static void log(final Logger logger,
                            final Level level,
                            final String pattern,
        final Object arg0, final Object arg1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(arg0, arg1)));
        }
    }

    /**
     * Log a parameterized message at specifed level.
     * @param logger logger, may not be null.
     * @param level level, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     */
    public static void log(final Logger logger,
                           final Level level,
                           final String pattern,
        final Object arg0, final Object arg1, final Object arg2) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(arg0, arg1, arg2)));
        }
    }

    /**
     * Log a parameterized message at specified level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param level level, may not be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     * @param arg3 a value to be formatted and substituted.
     */
    public static void log(final Logger logger,
                           final Level level,
                           final String pattern,
        final Object arg0, final Object arg1, final Object arg2,
        final Object arg3) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level, format(pattern,
                    toArray(arg0, arg1, arg2, arg3)));
        }
    }


    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param parameters parameters to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final Object[] parameters) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, parameters));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
     * @param t throwable, may be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param parameters parameters to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final Throwable t,
                             final String bundleName,
                             final String key,
                             final Object[] parameters) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, parameters), t);
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final Object param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(param1)));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final boolean param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final char param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final byte param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final short param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final int param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final long param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }
    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final float param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }


    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final double param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param0 Parameter to the log message.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final Object param0,
                             final Object param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(param0, param1)));
        }
    }


    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param0 Parameter to the log message.
     * @param param1 Parameter to the log message.
     * @param param2 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final Object param0,
                             final Object param1,
                             final Object param2) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(param0, param1, param2)));
        }
    }


    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param0 Parameter to the log message.
     * @param param1 Parameter to the log message.
     * @param param2 Parameter to the log message.
     * @param param3 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final Object param0,
                             final Object param1,
                             final Object param2,
                             final Object param3) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key,
                            toArray(param0, param1, param2, param3)));
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src/main/java/org/apache/log4j/LogSF.java [144:1538]:
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    private static void forcedLog(final Logger logger,
                                  final Level level,
                                  final String msg) {
        logger.callAppenders(new LoggingEvent(FQCN, logger, level, msg, null));
    }

    /**
     * Equivalent of Logger.forcedLog.
     *
     * @param logger logger, may not be null.
     * @param level level, may not be null.
     * @param msg message, may be null.
     * @param t throwable.
     */
    private static void forcedLog(final Logger logger,
                                  final Level level,
                                  final String msg,
                                  final Throwable t) {
        logger.callAppenders(new LoggingEvent(FQCN, logger, level, msg, t));
    }
    /**
         * Log a parameterized message at trace level.
         * @param logger logger, may not be null.
         * @param pattern pattern, may be null.
         * @param arguments an array of arguments to be
         *          formatted and substituted.
         */
    public static void trace(final Logger logger, final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, arguments));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final Object[] arguments) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, arguments));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final Object[] arguments) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, arguments));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, arguments));
        }
    }

    /**
     * Log a parameterized message at error level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void error(final Logger logger, final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(Level.ERROR)) {
            forcedLog(logger, Level.ERROR, format(pattern, arguments));
        }
    }

    /**
     * Log a parameterized message at fatal level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void fatal(final Logger logger, final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(Level.FATAL)) {
            forcedLog(logger, Level.FATAL, format(pattern, arguments));
        }
    }

    /**
         * Log a parameterized message at trace level.
         * @param logger logger, may not be null.
         * @param t throwable, may be null.
         * @param pattern pattern, may be null.
         * @param arguments an array of arguments to be
         *          formatted and substituted.
         */
    public static void trace(final Logger logger,
                             final Throwable t,
                             final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, arguments), t);
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param t throwable, may be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void debug(final Logger logger,
                             final Throwable t,
                             final String pattern,
        final Object[] arguments) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, arguments), t);
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param t throwable, may be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void info(final Logger logger,
                            final Throwable t,
                            final String pattern,
        final Object[] arguments) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, arguments), t);
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param t throwable, may be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void warn(final Logger logger,
                            final Throwable t,
                            final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, arguments), t);
        }
    }

    /**
     * Log a parameterized message at error level.
     * @param logger logger, may not be null.
     * @param t throwable, may be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void error(final Logger logger,
                             final Throwable t,
                             final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(Level.ERROR)) {
            forcedLog(logger, Level.ERROR, format(pattern, arguments), t);
        }
    }

    /**
     * Log a parameterized message at fatal level.
     * @param logger logger, may not be null.
     * @param t throwable, may be null.
     * @param pattern pattern, may be null.
     * @param arguments an array of arguments to be formatted and substituted.
     */
    public static void fatal(final Logger logger,
                             final Throwable t,
                             final String pattern,
        final Object[] arguments) {
        if (logger.isEnabledFor(Level.FATAL)) {
            forcedLog(logger, Level.FATAL, format(pattern, arguments), t);
        }
    }



    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final boolean argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final char argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final byte argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final short argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final int argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final long argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final float argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final double argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final Object argument) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE, format(pattern, argument));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final Object arg0, final Object arg1) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE,
                    format(pattern, toArray(arg0, arg1)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE,
                    format(pattern, toArray(arg0, arg1, arg2)));
        }
    }

    /**
     * Log a parameterized message at trace level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     * @param arg3 a value to be formatted and substituted.
     */
    public static void trace(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2,
        final Object arg3) {
        if (logger.isEnabledFor(TRACE)) {
            forcedLog(logger, TRACE,
                    format(pattern, toArray(arg0, arg1, arg2, arg3)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final boolean argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final char argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final byte argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final short argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final int argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final long argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final float argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final double argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final Object argument) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG, format(pattern, argument));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final Object arg0, final Object arg1) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG,
                    format(pattern, toArray(arg0, arg1)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG,
                    format(pattern, toArray(arg0, arg1, arg2)));
        }
    }

    /**
     * Log a parameterized message at debug level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     * @param arg3 a value to be formatted and substituted.
     */
    public static void debug(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2,
        final Object arg3) {
        if (logger.isDebugEnabled()) {
            forcedLog(logger, Level.DEBUG,
                    format(pattern, toArray(arg0, arg1, arg2, arg3)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final boolean argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final char argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final byte argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final short argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final int argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final long argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final float argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final double argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final Object argument) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, argument));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final Object arg0, final Object arg1) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern, toArray(arg0, arg1)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern,
                    toArray(arg0, arg1, arg2)));
        }
    }

    /**
     * Log a parameterized message at info level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     * @param arg3 a value to be formatted and substituted.
     */
    public static void info(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2,
        final Object arg3) {
        if (logger.isInfoEnabled()) {
            forcedLog(logger, Level.INFO, format(pattern,
                    toArray(arg0, arg1, arg2, arg3)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final boolean argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final char argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final byte argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final short argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final int argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final long argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final float argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final double argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param argument a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final Object argument) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern, argument));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final Object arg0, final Object arg1) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN,
                    format(pattern, toArray(arg0, arg1)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN,
                    format(pattern, toArray(arg0, arg1, arg2)));
        }
    }

    /**
     * Log a parameterized message at warn level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     * @param arg3 a value to be formatted and substituted.
     */
    public static void warn(final Logger logger, final String pattern,
        final Object arg0, final Object arg1, final Object arg2,
        final Object arg3) {
        if (logger.isEnabledFor(Level.WARN)) {
            forcedLog(logger, Level.WARN, format(pattern,
                    toArray(arg0, arg1, arg2, arg3)));
        }
    }

    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param parameters parameters to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final Object[] parameters) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, parameters));
        }
    }

    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
     * @param t throwable, may be null.
      * @param pattern pattern, may be null.
     * @param parameters parameters to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final Throwable t,
                             final String pattern,
                             final Object[] parameters) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, parameters), t);
        }
    }

    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final Object param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(param1)));
        }
    }

    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final boolean param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }


    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final byte param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }


    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final char param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final short param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final int param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }


    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final long param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }


    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final float param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }


    /**
      * Log a parameterized message at specified level.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param pattern pattern, may be null.
     * @param param1 parameter to the log message.
      */
    public static void log(final Logger logger,
                             final Level level,
                             final String pattern,
                             final double param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(valueOf(param1))));
        }
    }


    /**
     * Log a parameterized message at specified level.
     * @param logger logger, may not be null.
     * @param level level, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     */
    public static void log(final Logger logger,
                            final Level level,
                            final String pattern,
        final Object arg0, final Object arg1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(arg0, arg1)));
        }
    }

    /**
     * Log a parameterized message at specifed level.
     * @param logger logger, may not be null.
     * @param level level, may not be null.
     * @param pattern pattern, may be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     */
    public static void log(final Logger logger,
                           final Level level,
                           final String pattern,
        final Object arg0, final Object arg1, final Object arg2) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(pattern, toArray(arg0, arg1, arg2)));
        }
    }

    /**
     * Log a parameterized message at specified level.
     * @param logger logger, may not be null.
     * @param pattern pattern, may be null.
     * @param level level, may not be null.
     * @param arg0 a value to be formatted and substituted.
     * @param arg1 a value to be formatted and substituted.
     * @param arg2 a value to be formatted and substituted.
     * @param arg3 a value to be formatted and substituted.
     */
    public static void log(final Logger logger,
                           final Level level,
                           final String pattern,
        final Object arg0, final Object arg1, final Object arg2,
        final Object arg3) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level, format(pattern,
                    toArray(arg0, arg1, arg2, arg3)));
        }
    }


    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param parameters parameters to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final Object[] parameters) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, parameters));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
     * @param t throwable, may be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param parameters parameters to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final Throwable t,
                             final String bundleName,
                             final String key,
                             final Object[] parameters) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, parameters), t);
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final Object param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(param1)));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final boolean param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final char param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final byte param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final short param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final int param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final long param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }
    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final float param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }


    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final double param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(valueOf(param1))));
        }
    }

    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param0 Parameter to the log message.
     * @param param1 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final Object param0,
                             final Object param1) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(param0, param1)));
        }
    }


    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param0 Parameter to the log message.
     * @param param1 Parameter to the log message.
     * @param param2 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final Object param0,
                             final Object param1,
                             final Object param2) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key, toArray(param0, param1, param2)));
        }
    }


    /**
      * Log a parameterized message using a pattern from a resource bundle.
      * @param logger logger, may not be null.
      * @param level level, may not be null.
      * @param bundleName resource bundle name, may be null.
     * @param key key, may be null.
     * @param param0 Parameter to the log message.
     * @param param1 Parameter to the log message.
     * @param param2 Parameter to the log message.
     * @param param3 Parameter to the log message.
      */
    public static void logrb(final Logger logger,
                             final Level level,
                             final String bundleName,
                             final String key,
                             final Object param0,
                             final Object param1,
                             final Object param2,
                             final Object param3) {
        if (logger.isEnabledFor(level)) {
            forcedLog(logger, level,
                    format(bundleName, key,
                            toArray(param0, param1, param2, param3)));
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