Apache Log4j API 2.22.0 · org.apache.logging.log4j.message.MapMessageJsonFormatter

The default JSON formatter for MapMessages.

The following types have specific handlers:

Map
Collection (List, Set, etc.)
Number (BigDecimal, Double, Long, Byte, etc.)
Boolean
StringBuilderFormattable
char/boolean/byte/short/int/long/float/double/Object arrays
String

It supports nesting up to a maximum depth of 8, which is set by log4j2.mapMessage.jsonFormatter.maxDepth property.

Field Summary

Modifier and Type	Field and Description
private static final char	COLON
private static final char	COMMA
private static final char	DQUOTE
private static final char	LBRACE
private static final char	LCURLY
public static final int	MAX_DEPTH
private static final char	RBRACE
private static final char	RCURLY

Constructor Summary

Access	Constructor and Description
private	MapMessageJsonFormatter()

Method Summary

Modifier and Type	Method and Description
pack-priv static void	format(final StringBuilder sb, final Object object)
private static void	format(final StringBuilder sb, final Object object, final int depth)
private static void	formatBoolean(final StringBuilder sb, final boolean booleanValue)
private static void	formatBooleanArray(final StringBuilder sb, final boolean[] items)
private static void	formatByteArray(final StringBuilder sb, final byte[] items)
private static void	formatCharArray(final StringBuilder sb, final char[] items)
private static void	formatCollection(final StringBuilder sb, final Collection<Object> items, final int depth)
private static void	formatDoubleArray(final StringBuilder sb, final double[] items)
private static void	formatFloatArray(final StringBuilder sb, final float[] items)
private static void	formatFormattable(final StringBuilder sb, final StringBuilderFormattable formattable)
private static void	formatIndexedStringMap(final StringBuilder sb, final IndexedStringMap map, final int depth)
private static void	formatIntArray(final StringBuilder sb, final int[] items)
private static void	formatList(final StringBuilder sb, final List<Object> items, final int depth)
private static void	formatLongArray(final StringBuilder sb, final long[] items)
private static void	formatMap(final StringBuilder sb, final Map<Object, Object> map, final int depth)
private static void	formatNumber(final StringBuilder sb, final Number number)
private static void	formatObjectArray(final StringBuilder sb, final Object[] items, final int depth)
private static void	formatShortArray(final StringBuilder sb, final short[] items)
private static void	formatString(final StringBuilder sb, final Object value)
private static int	readMaxDepth()
public static MapMessageJsonFormatter	valueOf(String name)
public static MapMessageJsonFormatter[]	values()

Inherited from java.lang.Enum:: clone compareTo describeConstable equals finalize getDeclaringClass hashCode name ordinal toString valueOf

Field Detail

COLON	back to summary
private static final char COLON

COMMA	back to summary
private static final char COMMA

DQUOTE	back to summary
private static final char DQUOTE

LBRACE	back to summary
private static final char LBRACE

LCURLY	back to summary
private static final char LCURLY

MAX_DEPTH	back to summary
public static final int MAX_DEPTH

RBRACE	back to summary
private static final char RBRACE

RCURLY	back to summary
private static final char RCURLY

Constructor Detail

MapMessageJsonFormatter	back to summary
private MapMessageJsonFormatter()

Method Detail

format	back to summary
pack-priv static void format(final StringBuilder sb, final Object object)

format	back to summary
private static void format(final StringBuilder sb, final Object object, final int depth)

formatBoolean	back to summary
private static void formatBoolean(final StringBuilder sb, final boolean booleanValue)

formatBooleanArray	back to summary
private static void formatBooleanArray(final StringBuilder sb, final boolean[] items)

formatByteArray	back to summary
private static void formatByteArray(final StringBuilder sb, final byte[] items)

formatCharArray	back to summary
private static void formatCharArray(final StringBuilder sb, final char[] items)

formatCollection	back to summary
private static void formatCollection(final StringBuilder sb, final Collection<Object> items, final int depth)

formatDoubleArray	back to summary
private static void formatDoubleArray(final StringBuilder sb, final double[] items)

formatFloatArray	back to summary
private static void formatFloatArray(final StringBuilder sb, final float[] items)

formatFormattable	back to summary
private static void formatFormattable(final StringBuilder sb, final StringBuilderFormattable formattable)

formatIndexedStringMap	back to summary
private static void formatIndexedStringMap(final StringBuilder sb, final IndexedStringMap map, final int depth)

formatIntArray	back to summary
private static void formatIntArray(final StringBuilder sb, final int[] items)

formatList	back to summary
private static void formatList(final StringBuilder sb, final List<Object> items, final int depth)

formatLongArray	back to summary
private static void formatLongArray(final StringBuilder sb, final long[] items)

formatMap	back to summary
private static void formatMap(final StringBuilder sb, final Map<Object, Object> map, final int depth)

formatNumber	back to summary
private static void formatNumber(final StringBuilder sb, final Number number)

formatObjectArray	back to summary
private static void formatObjectArray(final StringBuilder sb, final Object[] items, final int depth)

formatShortArray	back to summary
private static void formatShortArray(final StringBuilder sb, final short[] items)

formatString	back to summary
private static void formatString(final StringBuilder sb, final Object value)

readMaxDepth	back to summary
private static int readMaxDepth()

valueOf	back to summary
public static MapMessageJsonFormatter valueOf(String name)

values	back to summary
public static MapMessageJsonFormatter[] values()