protected void finalizeConverter()

in log4j-1.2-api/src/main/java/org/apache/log4j/helpers/PatternParser.java [213:325]
82 lines of code
19 McCabe index (conditional complexity)

    protected void finalizeConverter(char c) {
        PatternConverter pc = null;
        switch (c) {
            case 'c':
                pc = new CategoryPatternConverter(formattingInfo, extractPrecisionOption());
                // LogLog.debug("CATEGORY converter.");
                // formattingInfo.dump();
                currentLiteral.setLength(0);
                break;
            case 'C':
                pc = new ClassNamePatternConverter(formattingInfo, extractPrecisionOption());
                // LogLog.debug("CLASS_NAME converter.");
                // formattingInfo.dump();
                currentLiteral.setLength(0);
                break;
            case 'd':
                String dateFormatStr = AbsoluteTimeDateFormat.ISO8601_DATE_FORMAT;
                DateFormat df;
                final String dOpt = extractOption();
                if (dOpt != null) dateFormatStr = dOpt;

                if (dateFormatStr.equalsIgnoreCase(AbsoluteTimeDateFormat.ISO8601_DATE_FORMAT))
                    df = new ISO8601DateFormat();
                else if (dateFormatStr.equalsIgnoreCase(AbsoluteTimeDateFormat.ABS_TIME_DATE_FORMAT))
                    df = new AbsoluteTimeDateFormat();
                else if (dateFormatStr.equalsIgnoreCase(AbsoluteTimeDateFormat.DATE_AND_TIME_DATE_FORMAT))
                    df = new DateTimeDateFormat();
                else {
                    try {
                        df = new SimpleDateFormat(dateFormatStr);
                    } catch (IllegalArgumentException e) {
                        LogLog.error("Could not instantiate SimpleDateFormat with " + dateFormatStr, e);
                        df = (DateFormat) OptionConverter.instantiateByClassName(
                                "org.apache.log4j.helpers.ISO8601DateFormat", DateFormat.class, null);
                    }
                }
                pc = new DatePatternConverter(formattingInfo, df);
                // LogLog.debug("DATE converter {"+dateFormatStr+"}.");
                // formattingInfo.dump();
                currentLiteral.setLength(0);
                break;
            case 'F':
                pc = new LocationPatternConverter(formattingInfo, FILE_LOCATION_CONVERTER);
                // LogLog.debug("File name converter.");
                // formattingInfo.dump();
                currentLiteral.setLength(0);
                break;
            case 'l':
                pc = new LocationPatternConverter(formattingInfo, FULL_LOCATION_CONVERTER);
                // LogLog.debug("Location converter.");
                // formattingInfo.dump();
                currentLiteral.setLength(0);
                break;
            case 'L':
                pc = new LocationPatternConverter(formattingInfo, LINE_LOCATION_CONVERTER);
                // LogLog.debug("LINE NUMBER converter.");
                // formattingInfo.dump();
                currentLiteral.setLength(0);
                break;
            case 'm':
                pc = new BasicPatternConverter(formattingInfo, MESSAGE_CONVERTER);
                // LogLog.debug("MESSAGE converter.");
                // formattingInfo.dump();
                currentLiteral.setLength(0);
                break;
            case 'M':
                pc = new LocationPatternConverter(formattingInfo, METHOD_LOCATION_CONVERTER);
                // LogLog.debug("METHOD converter.");
                // formattingInfo.dump();
                currentLiteral.setLength(0);
                break;
            case 'p':
                pc = new BasicPatternConverter(formattingInfo, LEVEL_CONVERTER);
                // LogLog.debug("LEVEL converter.");
                // formattingInfo.dump();
                currentLiteral.setLength(0);
                break;
            case 'r':
                pc = new BasicPatternConverter(formattingInfo, RELATIVE_TIME_CONVERTER);
                // LogLog.debug("RELATIVE time converter.");
                // formattingInfo.dump();
                currentLiteral.setLength(0);
                break;
            case 't':
                pc = new BasicPatternConverter(formattingInfo, THREAD_CONVERTER);
                // LogLog.debug("THREAD converter.");
                // formattingInfo.dump();
                currentLiteral.setLength(0);
                break;
            /*
             * case 'u': if(i < patternLength) { char cNext = pattern.charAt(i); if(cNext >= '0' && cNext <= '9') { pc = new
             * UserFieldPatternConverter(formattingInfo, cNext - '0'); LogLog.debug("USER converter ["+cNext+"].");
             * formattingInfo.dump(); currentLiteral.setLength(0); i++; } else LogLog.error("Unexpected char"
             * +cNext+" at position "+i); } break;
             */
            case 'x':
                pc = new BasicPatternConverter(formattingInfo, NDC_CONVERTER);
                // LogLog.debug("NDC converter.");
                currentLiteral.setLength(0);
                break;
            case 'X':
                final String xOpt = extractOption();
                pc = new MDCPatternConverter(formattingInfo, xOpt);
                currentLiteral.setLength(0);
                break;
            default:
                LogLog.error("Unexpected char [" + c + "] at position " + i + " in conversion pattern.");
                pc = new LiteralPatternConverter(currentLiteral.toString());
                currentLiteral.setLength(0);
        }

        addConverter(pc);
    }