org.apache.logging.log4j.core.filter

Class StructuredDataFilter

java.lang.Object

org.apache.logging.log4j.core.AbstractLifeCycle

org.apache.logging.log4j.core.filter.AbstractFilter

org.apache.logging.log4j.core.filter.MapFilter

org.apache.logging.log4j.core.filter.StructuredDataFilter

All Implemented Interfaces:

Filter, LifeCycle, LifeCycle2

@Plugin(name="StructuredDataFilter",
        category="Core",
        elementType="filter",
        printObject=true)
public final class StructuredDataFilter
extends MapFilter

Filter based on data in a StructuredDataMessage.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.logging.log4j.core.Filter

Filter.Result

Nested classes/interfaces inherited from interface org.apache.logging.log4j.core.LifeCycle

LifeCycle.State

Field Summary

Fields

Modifier and Type	Field and Description
private static int	MAX_BUFFER_SIZE
private static java.lang.ThreadLocal<java.lang.StringBuilder>	threadLocalStringBuilder

Fields inherited from class org.apache.logging.log4j.core.filter.AbstractFilter

onMatch, onMismatch

Fields inherited from class org.apache.logging.log4j.core.AbstractLifeCycle

DEFAULT_STOP_TIMEOUT, DEFAULT_STOP_TIMEUNIT, LOGGER

Fields inherited from interface org.apache.logging.log4j.core.Filter

ELEMENT_TYPE

Constructor Summary

Constructors

Modifier	Constructor and Description
private	StructuredDataFilter(java.util.Map<java.lang.String,java.util.List<java.lang.String>> map, boolean oper, Filter.Result onMatch, Filter.Result onMismatch)

Method Summary

Modifier and Type	Method and Description
private java.lang.StringBuilder	appendOrNull(java.lang.String value, java.lang.StringBuilder sb)
static StructuredDataFilter	createFilter(KeyValuePair[] pairs, java.lang.String oper, Filter.Result match, Filter.Result mismatch) Create the StructuredDataFilter.
Filter.Result	filter(LogEvent event) Context Filter method.
Filter.Result	filter(Logger logger, Level level, Marker marker, Message msg, java.lang.Throwable t) Appender Filter method.
protected Filter.Result	filter(StructuredDataMessage message)
private java.lang.StringBuilder	getStringBuilder()
private java.lang.StringBuilder	getValue(StructuredDataMessage data, java.lang.String key)
private boolean	listContainsValue(java.util.List<java.lang.String> candidates, java.lang.StringBuilder toMatch)

Methods inherited from class org.apache.logging.log4j.core.filter.MapFilter

filter, filter, filter, filter, filter, filter, filter, filter, filter, filter, filter, filter, filter, getMap, getStringMap, isAnd, toString

Methods inherited from class org.apache.logging.log4j.core.filter.AbstractFilter

equalsImpl, filter, filter, getOnMatch, getOnMismatch, hashCodeImpl

Methods inherited from class org.apache.logging.log4j.core.AbstractLifeCycle

getState, getStatusLogger, initialize, isInitialized, isStarted, isStarting, isStopped, isStopping, setStarted, setStarting, setState, setStopped, setStopping, start, stop, stop, stop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.logging.log4j.core.LifeCycle

getState, initialize, isStarted, isStopped, start, stop

Field Detail

MAX_BUFFER_SIZE

private static final int MAX_BUFFER_SIZE

See Also:

Constant Field Values

threadLocalStringBuilder

private static java.lang.ThreadLocal<java.lang.StringBuilder> threadLocalStringBuilder

Constructor Detail

StructuredDataFilter

private StructuredDataFilter(java.util.Map<java.lang.String,java.util.List<java.lang.String>> map,
                             boolean oper,
                             Filter.Result onMatch,
                             Filter.Result onMismatch)

Method Detail

filter

public Filter.Result filter(Logger logger,
                            Level level,
                            Marker marker,
                            Message msg,
                            java.lang.Throwable t)

Description copied from class: AbstractFilter

Appender Filter method. The default returns NEUTRAL.

Specified by:

filter in interface Filter

Overrides:

filter in class MapFilter

Parameters:

logger - the Logger.

level - The logging Level.

marker - The Marker, if any.

msg - The message, if present.

t - A throwable or null.

Returns:

The Result of filtering.

filter

public Filter.Result filter(LogEvent event)

Description copied from class: AbstractFilter

Context Filter method. The default returns NEUTRAL.

Specified by:

filter in interface Filter

Overrides:

filter in class MapFilter

Parameters:

event - The LogEvent.

Returns:

The Result of filtering.

filter

protected Filter.Result filter(StructuredDataMessage message)

getValue

private java.lang.StringBuilder getValue(StructuredDataMessage data,
                                         java.lang.String key)

getStringBuilder

private java.lang.StringBuilder getStringBuilder()

appendOrNull

private java.lang.StringBuilder appendOrNull(java.lang.String value,
                                             java.lang.StringBuilder sb)

listContainsValue

private boolean listContainsValue(java.util.List<java.lang.String> candidates,
                                  java.lang.StringBuilder toMatch)

createFilter

@PluginFactory
public static StructuredDataFilter createFilter(@PluginElement(value="Pairs")
                                                               KeyValuePair[] pairs,
                                                               @PluginAttribute(value="operator")
                                                               java.lang.String oper,
                                                               @PluginAttribute(value="onMatch")
                                                               Filter.Result match,
                                                               @PluginAttribute(value="onMismatch")
                                                               Filter.Result mismatch)

Create the StructuredDataFilter.

Parameters:

pairs - Key and value pairs.

oper - The operator to perform. If not "or" the operation will be an "and".

match - The action to perform on a match.

mismatch - The action to perform on a mismatch.

Returns:

The StructuredDataFilter.