Package org.apache.logging.log4j.layout.template.json.resolver

Class LevelResolver

java.lang.Object

org.apache.logging.log4j.layout.template.json.resolver.LevelResolver

All Implemented Interfaces:

EventResolver, TemplateResolver<LogEvent>

public final class LevelResolver
extends java.lang.Object
implements EventResolver

Level resolver.

Configuration

 config         = field , [ severity ]
 field          = "field" -> ( "name" | "severity" )
 severity       = severity-field
 severity-field = "field" -> ( "keyword" | "code" )
 

Examples

Resolve the level name:

 {
   "$resolver": "level",
   "field": "name"
 }
 

Resolve the severity keyword:

 {
   "$resolver": "level",
   "field": "severity",
   "severity": {
     "field": "keyword"
   }
 }

 Resolve the severity code:

 
 {
   "$resolver": "level",
   "field": "severity",
   "severity": {
     "field": "code"
   }
 }
 

Field Summary

Fields

Modifier and Type	Field	Description
private EventResolver	internalResolver
private static java.lang.String[]	SEVERITY_CODE_RESOLUTION_BY_STANDARD_LEVEL_ORDINAL
private static EventResolver	SEVERITY_CODE_RESOLVER

Constructor Summary

Constructors

Constructor	Description
LevelResolver(EventResolverContext context, TemplateResolverConfig config)

Method Summary

Modifier and Type	Method	Description
private static EventResolver	createNameResolver(JsonWriter contextJsonWriter)
private static EventResolver	createResolver(EventResolverContext context, TemplateResolverConfig config)
private static EventResolver	createSeverityKeywordResolver(JsonWriter contextJsonWriter)
(package private) static java.lang.String	getName()
void	resolve(LogEvent logEvent, JsonWriter jsonWriter)	Resolves the given value using the provided JsonWriter.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.logging.log4j.layout.template.json.resolver.TemplateResolver

isFlattening, isResolvable, isResolvable, resolve

Field Detail

SEVERITY_CODE_RESOLUTION_BY_STANDARD_LEVEL_ORDINAL

private static final java.lang.String[] SEVERITY_CODE_RESOLUTION_BY_STANDARD_LEVEL_ORDINAL

SEVERITY_CODE_RESOLVER

private static final EventResolver SEVERITY_CODE_RESOLVER

internalResolver

private final EventResolver internalResolver

Constructor Detail

LevelResolver

LevelResolver(EventResolverContext context,
              TemplateResolverConfig config)

Method Detail

createResolver

private static EventResolver createResolver(EventResolverContext context,
                                            TemplateResolverConfig config)

createNameResolver

private static EventResolver createNameResolver(JsonWriter contextJsonWriter)

createSeverityKeywordResolver

private static EventResolver createSeverityKeywordResolver(JsonWriter contextJsonWriter)

getName

static java.lang.String getName()

resolve

public void resolve(LogEvent logEvent,
                    JsonWriter jsonWriter)

Description copied from interface: TemplateResolver

Resolves the given value using the provided JsonWriter.

Specified by:

resolve in interface TemplateResolver<LogEvent>