Class MdcPatternConverter

All Implemented Interfaces:
PatternConverter

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

  • Constructor Details

    • MdcPatternConverter

      private MdcPatternConverter(String[] options)
      Private constructor.
      Parameters:
      options - options, may be null.
  • Method Details

    • newInstance

      public static MdcPatternConverter newInstance(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, 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.
    • appendFully

      private static void appendFully(ReadOnlyStringMap contextData, StringBuilder toAppendTo)
    • appendSelectedKeys

      private static void appendSelectedKeys(String[] keys, ReadOnlyStringMap contextData, StringBuilder sb)