Package org.apache.log4j.pattern
Class ThrowableInformationPatternConverter
- java.lang.Object
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- org.apache.log4j.pattern.PatternConverter
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- org.apache.log4j.pattern.LoggingEventPatternConverter
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- org.apache.log4j.pattern.ThrowableInformationPatternConverter
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public class ThrowableInformationPatternConverter extends LoggingEventPatternConverter
Outputs the ThrowableInformation portion of the LoggingEvent. By default, outputs the full stack trace. %throwable{none} or %throwable{0} suppresses the stack trace. %throwable{short} or %throwable{1} outputs just the first line. %throwable{n} will output n lines for a positive integer or drop the last -n lines for a negative integer.
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Field Summary
Fields Modifier and Type Field Description private int
maxLines
Maximum lines of stack trace to output.
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Constructor Summary
Constructors Modifier Constructor Description private
ThrowableInformationPatternConverter(java.lang.String[] options)
Private constructor.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description void
format(LoggingEvent event, java.lang.StringBuffer toAppendTo)
Formats an event into a string buffer.boolean
handlesThrowable()
This converter obviously handles throwables.static ThrowableInformationPatternConverter
newInstance(java.lang.String[] options)
Gets an instance of the class.-
Methods inherited from class org.apache.log4j.pattern.LoggingEventPatternConverter
format
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Methods inherited from class org.apache.log4j.pattern.PatternConverter
getName, getStyleClass
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Method Detail
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newInstance
public static ThrowableInformationPatternConverter newInstance(java.lang.String[] options)
Gets an instance of the class.- Parameters:
options
- pattern options, may be null. If first element is "short", only the first line of the throwable will be formatted.- Returns:
- instance of class.
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format
public void format(LoggingEvent event, java.lang.StringBuffer toAppendTo)
Formats an event into a string buffer.- Specified by:
format
in classLoggingEventPatternConverter
- Parameters:
event
- event to format, may not be null.toAppendTo
- string buffer to which the formatted event will be appended. May not be null.
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handlesThrowable
public boolean handlesThrowable()
This converter obviously handles throwables.- Overrides:
handlesThrowable
in classLoggingEventPatternConverter
- Returns:
- true.
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