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<java.lang.Throwable>

final class StackTraceStringResolver
extends java.lang.Object
implements StackTraceResolver

Exception stack trace to JSON string resolver used by ExceptionResolver.

Field Summary

Fields

Modifier and Type	Field	Description
private Recycler<TruncatingBufferedPrintWriter>	dstWriterRecycler
private java.util.List<java.util.regex.Pattern>	groupedTruncationPointMatcherRegexes
private Recycler<CharSequencePointer>	sequencePointerRecycler
private Recycler<TruncatingBufferedPrintWriter>	srcWriterRecycler
private boolean	truncationEnabled
private java.util.List<java.lang.String>	truncationPointMatcherStrings
private java.lang.String	truncationSuffix

Constructor Summary

Constructors

Constructor	Description
StackTraceStringResolver(EventResolverContext context, java.lang.String truncationSuffix, java.util.List<java.lang.String> truncationPointMatcherStrings, java.util.List<java.lang.String> truncationPointMatcherRegexes)

Method Summary

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

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 java.lang.String truncationSuffix

truncationPointMatcherStrings

private final java.util.List<java.lang.String> truncationPointMatcherStrings

groupedTruncationPointMatcherRegexes

private final java.util.List<java.util.regex.Pattern> groupedTruncationPointMatcherRegexes

Constructor Detail

StackTraceStringResolver

StackTraceStringResolver(EventResolverContext context,
                         java.lang.String truncationSuffix,
                         java.util.List<java.lang.String> truncationPointMatcherStrings,
                         java.util.List<java.lang.String> truncationPointMatcherRegexes)

Method Detail

groupTruncationPointMatcherRegexes

private static java.util.List<java.util.regex.Pattern> groupTruncationPointMatcherRegexes(java.util.List<java.lang.String> regexes)

resolve

public void resolve(java.lang.Throwable throwable,
                    JsonWriter jsonWriter)

Description copied from interface: TemplateResolver

Resolves the given value using the provided JsonWriter.

Specified by:

resolve in interface TemplateResolver<java.lang.Throwable>

truncate

private TruncatingBufferedPrintWriter truncate(TruncatingBufferedPrintWriter srcWriter)

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(java.lang.CharSequence buffer,
                                             int startIndex,
                                             int endIndex)

findLineStartIndex

private static int findLineStartIndex(java.lang.CharSequence buffer,
                                      int startIndex,
                                      int endIndex)

findMatchingIndex

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