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

Class StackTraceStringResolver

java.lang.Object

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

All Implemented Interfaces:

StackTraceResolver, TemplateResolver<Throwable>

final class StackTraceStringResolver
extends Object
implements StackTraceResolver

Exception stack trace to JSON string resolver used by ExceptionResolver.

Field Summary

Fields

Modifier and Type	Field	Description
private final Recycler<TruncatingBufferedPrintWriter>	dstWriterRecycler
private final List<Pattern>	groupedTruncationPointMatcherRegexes
private final Recycler<CharSequencePointer>	sequencePointerRecycler
private final Recycler<TruncatingBufferedPrintWriter>	srcWriterRecycler
private final boolean	truncationEnabled
private final List<String>	truncationPointMatcherStrings
private final String	truncationSuffix

Constructor Summary

Constructors

Constructor	Description
StackTraceStringResolver(EventResolverContext context, String truncationSuffix, List<String> truncationPointMatcherStrings, List<String> truncationPointMatcherRegexes)

Method Summary

Modifier and Type	Method	Description
private static int	findLabeledLineStartIndex(CharSequence buffer, int startIndex)
private static int	findLineStartIndex(CharSequence buffer, int startIndex)
private static int	findMatchingIndex(CharSequence matcher, CharSequence buffer, int bufferStartIndex, int bufferEndIndex)
private int	findTruncationPointIndex(TruncatingBufferedPrintWriter writer, int startIndex, int endIndex, CharSequencePointer sequencePointer)
private static List<Pattern>	groupTruncationPointMatcherRegexes(List<String> regexes)
void	resolve(Throwable throwable, JsonWriter jsonWriter)	Resolves the given value using the provided JsonWriter.
private void	truncate(TruncatingBufferedPrintWriter srcWriter, Consumer<TruncatingBufferedPrintWriter> effectiveWriterConsumer)
private void	truncate(TruncatingBufferedPrintWriter srcWriter, TruncatingBufferedPrintWriter dstWriter, CharSequencePointer sequencePointer)

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 Details

srcWriterRecycler

private final Recycler<TruncatingBufferedPrintWriter> srcWriterRecycler

dstWriterRecycler

private final Recycler<TruncatingBufferedPrintWriter> dstWriterRecycler

sequencePointerRecycler

private final Recycler<CharSequencePointer> sequencePointerRecycler

truncationEnabled

private final boolean truncationEnabled

truncationSuffix

private final String truncationSuffix

truncationPointMatcherStrings

private final List<String> truncationPointMatcherStrings

groupedTruncationPointMatcherRegexes

private final List<Pattern> groupedTruncationPointMatcherRegexes

Constructor Details

StackTraceStringResolver

StackTraceStringResolver(EventResolverContext context,
 String truncationSuffix,
 List<String> truncationPointMatcherStrings,
 List<String> truncationPointMatcherRegexes)

Method Details

groupTruncationPointMatcherRegexes

private static List<Pattern> groupTruncationPointMatcherRegexes(List<String> regexes)

resolve

public void resolve(Throwable throwable,
 JsonWriter jsonWriter)

Description copied from interface: TemplateResolver

Resolves the given value using the provided JsonWriter.

Specified by:

resolve in interface TemplateResolver<Throwable>

truncate

private void truncate(TruncatingBufferedPrintWriter srcWriter,
 Consumer<TruncatingBufferedPrintWriter> effectiveWriterConsumer)

truncate

private void truncate(TruncatingBufferedPrintWriter srcWriter,
 TruncatingBufferedPrintWriter dstWriter,
 CharSequencePointer sequencePointer)

findTruncationPointIndex

private int findTruncationPointIndex(TruncatingBufferedPrintWriter writer,
 int startIndex,
 int endIndex,
 CharSequencePointer sequencePointer)

findLabeledLineStartIndex

private static int findLabeledLineStartIndex(CharSequence buffer,
 int startIndex)

findLineStartIndex

private static int findLineStartIndex(CharSequence buffer,
 int startIndex)

findMatchingIndex

private static int findMatchingIndex(CharSequence matcher,
 CharSequence buffer,
 int bufferStartIndex,
 int bufferEndIndex)