src/main/java/org/apache/log4j/extras/UtilLoggingLevel.java [57:237]:
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    public static final int CONFIG_INT = 14000;
    /**
     * Numerical value for FINE.
     */
    public static final int FINE_INT = 13000;
    /**
     * Numerical value for FINER.
     */
    public static final int FINER_INT = 12000;
    /**
     * Numerical value for FINEST.
     */
    public static final int FINEST_INT = 11000;
    /**
     * Numerical value for UNKNOWN.
     */
    public static final int UNKNOWN_INT = 10000;

    /**
     * SEVERE.
     */
    public static final UtilLoggingLevel SEVERE =
            new UtilLoggingLevel(SEVERE_INT, "SEVERE", 0);
    /**
     * WARNING.
     */
    public static final UtilLoggingLevel WARNING =
            new UtilLoggingLevel(WARNING_INT, "WARNING", 4);
    /**
     * INFO.
     */
    public static final UtilLoggingLevel INFO =
            new UtilLoggingLevel(INFO_INT, "INFO", 5);
    /**
     * CONFIG.
     */
    public static final UtilLoggingLevel CONFIG =
            new UtilLoggingLevel(CONFIG_INT, "CONFIG", 6);
    /**
     * FINE.
     */
    public static final UtilLoggingLevel FINE =
            new UtilLoggingLevel(FINE_INT, "FINE", 7);
    /**
     * FINER.
     */
    public static final UtilLoggingLevel FINER =
            new UtilLoggingLevel(FINER_INT, "FINER", 8);
    /**
     * FINEST.
     */
    public static final UtilLoggingLevel FINEST =
            new UtilLoggingLevel(FINEST_INT, "FINEST", 9);

    /**
     * Create new instance.
     * @param level numeric value for level.
     * @param levelStr symbolic name for level.
     * @param syslogEquivalent Equivalent syslog severity.
     */
    protected UtilLoggingLevel(final int level,
                               final String levelStr,
                               final int syslogEquivalent) {
        super(level, levelStr, syslogEquivalent);
    }

    /**
     * Convert an integer passed as argument to a level. If the
     * conversion fails, then this method returns the specified default.
     * @param val numeric value.
     * @param defaultLevel level to be returned if no level matches
     * numeric value.
     * @return matching level or default level.
     */
    public static UtilLoggingLevel toLevel(final int val,
                               final UtilLoggingLevel defaultLevel) {
        switch (val) {
            case SEVERE_INT:
                return SEVERE;

            case WARNING_INT:
                return WARNING;

            case INFO_INT:
                return INFO;

            case CONFIG_INT:
                return CONFIG;

            case FINE_INT:
                return FINE;

            case FINER_INT:
                return FINER;

            case FINEST_INT:
                return FINEST;

            default:
                return defaultLevel;
        }
    }

    /**
     * Gets level matching numeric value.
     * @param val numeric value.
     * @return  matching level or UtilLoggerLevel.FINEST if no match.
     */
    public static Level toLevel(final int val) {
        return toLevel(val, FINEST);
    }

    /**
     * Gets list of supported levels.
     * @return  list of supported levels.
     */
    public static List getAllPossibleLevels() {
        ArrayList list = new ArrayList();
        list.add(FINE);
        list.add(FINER);
        list.add(FINEST);
        list.add(INFO);
        list.add(CONFIG);
        list.add(WARNING);
        list.add(SEVERE);
        return list;
    }

    /**
     * Get level with specified symbolic name.
     * @param s symbolic name.
     * @return matching level or Level.DEBUG if no match.
     */
    public static Level toLevel(final String s) {
        return toLevel(s, Level.DEBUG);
    }


    /**
     * Get level with specified symbolic name.
     * @param sArg symbolic name.
     * @param defaultLevel level to return if no match.
     * @return matching level or defaultLevel if no match.
     */
    public static Level toLevel(final String sArg,
                                final Level defaultLevel) {
        if (sArg == null) {
            return defaultLevel;
        }

        String s = sArg.toUpperCase();

        if (s.equals("SEVERE")) {
            return SEVERE;
        }

        //if(s.equals("FINE")) return Level.FINE;
        if (s.equals("WARNING")) {
            return WARNING;
        }

        if (s.equals("INFO")) {
            return INFO;
        }

        if (s.equals("CONFI")) {
            return CONFIG;
        }

        if (s.equals("FINE")) {
            return FINE;
        }

        if (s.equals("FINER")) {
            return FINER;
        }

        if (s.equals("FINEST")) {
            return FINEST;
        }
        return defaultLevel;
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src/main/java/org/apache/log4j/receivers/helpers/UtilLoggingLevel.java [54:235]:
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    public static final int CONFIG_INT = 14000;
    /**
     * Numerical value for FINE.
     */
    public static final int FINE_INT = 13000;
    /**
     * Numerical value for FINER.
     */
    public static final int FINER_INT = 12000;
    /**
     * Numerical value for FINEST.
     */
    public static final int FINEST_INT = 11000;
    /**
     * Numerical value for UNKNOWN.
     */
    public static final int UNKNOWN_INT = 10000;

    /**
     * SEVERE.
     */
    public static final UtilLoggingLevel SEVERE =
            new UtilLoggingLevel(SEVERE_INT, "SEVERE", 0);
    /**
     * WARNING.
     */
    public static final UtilLoggingLevel WARNING =
            new UtilLoggingLevel(WARNING_INT, "WARNING", 4);
    /**
     * INFO.
     */
    //note: we've aligned the int values of the java.util.logging INFO level with log4j's level
    public static final UtilLoggingLevel INFO =
            new UtilLoggingLevel(INFO_INT, "INFO", 5);
    /**
     * CONFIG.
     */
    public static final UtilLoggingLevel CONFIG =
            new UtilLoggingLevel(CONFIG_INT, "CONFIG", 6);
    /**
     * FINE.
     */
    public static final UtilLoggingLevel FINE =
            new UtilLoggingLevel(FINE_INT, "FINE", 7);
    /**
     * FINER.
     */
    public static final UtilLoggingLevel FINER =
            new UtilLoggingLevel(FINER_INT, "FINER", 8);
    /**
     * FINEST.
     */
    public static final UtilLoggingLevel FINEST =
            new UtilLoggingLevel(FINEST_INT, "FINEST", 9);

    /**
     * Create new instance.
     * @param level numeric value for level.
     * @param levelStr symbolic name for level.
     * @param syslogEquivalent Equivalent syslog severity.
     */
    protected UtilLoggingLevel(final int level,
                               final String levelStr,
                               final int syslogEquivalent) {
        super(level, levelStr, syslogEquivalent);
    }

    /**
     * Convert an integer passed as argument to a level. If the
     * conversion fails, then this method returns the specified default.
     * @param val numeric value.
     * @param defaultLevel level to be returned if no level matches
     * numeric value.
     * @return matching level or default level.
     */
    public static UtilLoggingLevel toLevel(final int val,
                               final UtilLoggingLevel defaultLevel) {
        switch (val) {
            case SEVERE_INT:
                return SEVERE;

            case WARNING_INT:
                return WARNING;

            case INFO_INT:
                return INFO;

            case CONFIG_INT:
                return CONFIG;

            case FINE_INT:
                return FINE;

            case FINER_INT:
                return FINER;

            case FINEST_INT:
                return FINEST;

            default:
                return defaultLevel;
        }
    }

    /**
     * Gets level matching numeric value.
     * @param val numeric value.
     * @return  matching level or UtilLoggerLevel.FINEST if no match.
     */
    public static Level toLevel(final int val) {
        return toLevel(val, FINEST);
    }

    /**
     * Gets list of supported levels.
     * @return  list of supported levels.
     */
    public static List getAllPossibleLevels() {
        ArrayList list = new ArrayList();
        list.add(FINE);
        list.add(FINER);
        list.add(FINEST);
        list.add(INFO);
        list.add(CONFIG);
        list.add(WARNING);
        list.add(SEVERE);
        return list;
    }

    /**
     * Get level with specified symbolic name.
     * @param s symbolic name.
     * @return matching level or Level.DEBUG if no match.
     */
    public static Level toLevel(final String s) {
        return toLevel(s, Level.DEBUG);
    }


    /**
     * Get level with specified symbolic name.
     * @param sArg symbolic name.
     * @param defaultLevel level to return if no match.
     * @return matching level or defaultLevel if no match.
     */
    public static Level toLevel(final String sArg,
                                final Level defaultLevel) {
        if (sArg == null) {
            return defaultLevel;
        }

        String s = sArg.toUpperCase();

        if (s.equals("SEVERE")) {
            return SEVERE;
        }

        //if(s.equals("FINE")) return Level.FINE;
        if (s.equals("WARNING")) {
            return WARNING;
        }

        if (s.equals("INFO")) {
            return INFO;
        }

        if (s.equals("CONFI")) {
            return CONFIG;
        }

        if (s.equals("FINE")) {
            return FINE;
        }

        if (s.equals("FINER")) {
            return FINER;
        }

        if (s.equals("FINEST")) {
            return FINEST;
        }
        return defaultLevel;
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