Class MessageParameterResolver
java.lang.Object
org.apache.logging.log4j.layout.template.json.resolver.MessageParameterResolver
- All Implemented Interfaces:
EventResolver
,TemplateResolver<LogEvent>
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 }
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Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionprivate static final class
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate final int
private static final ParameterConsumer
<MessageParameterResolver.ParameterConsumerState> private final Recycler
<MessageParameterResolver.ParameterConsumerState> private final boolean
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Constructor Summary
ConstructorsConstructorDescriptionMessageParameterResolver
(EventResolverContext context, TemplateResolverConfig config) -
Method Summary
Modifier and TypeMethodDescription(package private) static String
getName()
void
resolve
(LogEvent logEvent, JsonWriter jsonWriter) Resolves the givenvalue
using the providedJsonWriter
.private void
resolve
(ParameterVisitable parameterVisitable, JsonWriter jsonWriter) Perform a garbage-free resolution viaParameterVisitable
interface.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
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Field Details
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parameterConsumerStateRecycler
private final Recycler<MessageParameterResolver.ParameterConsumerState> parameterConsumerStateRecycler -
stringified
private final boolean stringified -
index
private final int index -
PARAMETER_CONSUMER
private static final ParameterConsumer<MessageParameterResolver.ParameterConsumerState> PARAMETER_CONSUMER
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Constructor Details
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MessageParameterResolver
MessageParameterResolver(EventResolverContext context, TemplateResolverConfig config)
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Method Details
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getName
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resolve
Description copied from interface:TemplateResolver
Resolves the givenvalue
using the providedJsonWriter
.- Specified by:
resolve
in interfaceTemplateResolver<LogEvent>
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resolve
Perform a garbage-free resolution viaParameterVisitable
interface.
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