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

Class MessageParameterResolver

java.lang.Object

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

All Implemented Interfaces:

EventResolver, TemplateResolver<LogEvent>

public final class MessageParameterResolver
extends Object
implements EventResolver

Message parameter (i.e., Message.getParameters()) resolver.

Configuration

 config      = [ stringified ] , [ index ]
 stringified = "stringified" -> boolean
 index       = "index" -> number
 

Examples

Resolve the message parameters into an array:

 {
   "$resolver": "messageParameter"
 }
 

Resolve the string representation of all message parameters into an array:

 {
   "$resolver": "messageParameter",
   "stringified": true
 }
 

Resolve the first message parameter:

 {
   "$resolver": "messageParameter",
   "index": 0
 }

 Resolve the string representation of the first message parameter:

 
 {
   "$resolver": "messageParameter",
   "index": 0,
   "stringified": true
 }
 

Method Summary

Modifier and Type	Method	Description
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

Method Detail

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>