Class Log4j1MdcPatternConverter

  • All Implemented Interfaces:
    PatternConverter

    @Plugin(name="Log4j1MdcPatternConverter",
            category="Converter")
    public final class Log4j1MdcPatternConverter
    extends LogEventPatternConverter
    Able to handle the contents of the LogEvent's MDC and either output the entire contents of the properties, or to output the value of a specific key within the property bundle when this pattern converter has the option set.
    • Field Detail

      • key

        private final java.lang.String key
        Name of property to output.
      • APPEND_EACH

        private static TriConsumer<java.lang.String,​java.lang.Object,​java.lang.StringBuilder> APPEND_EACH
    • Constructor Detail

      • Log4j1MdcPatternConverter

        private Log4j1MdcPatternConverter​(java.lang.String[] options)
        Private constructor.
        Parameters:
        options - options, may be null.
    • Method Detail

      • newInstance

        public static Log4j1MdcPatternConverter newInstance​(java.lang.String[] options)
        Obtains an instance of PropertiesPatternConverter.
        Parameters:
        options - options, may be null or first element contains name of property to format.
        Returns:
        instance of PropertiesPatternConverter.
      • format

        public void format​(LogEvent event,
                           java.lang.StringBuilder toAppendTo)
        Formats an event into a string buffer.
        Specified by:
        format in class LogEventPatternConverter
        Parameters:
        event - event to format, may not be null.
        toAppendTo - string buffer to which the formatted event will be appended. May not be null.