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The source code
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software
* License version 1.1, a copy of which has been included with this
* distribution in the LICENSE.txt file.
*/
package org.apache.log4j.lf5.util;
import org.apache.log4j.lf5.LogLevel;
import org.apache.log4j.lf5.LogRecord;
import java.io.PrintWriter;
import java.io.StringWriter;
/**
* A LogRecord to be used with the LogMonitorAdapter
*
* @author Richard Hurst
*/
// Contributed by ThoughtWorks Inc.
public class AdapterLogRecord extends LogRecord {
//--------------------------------------------------------------------------
// Constants:
//--------------------------------------------------------------------------
//--------------------------------------------------------------------------
// Protected Variables:
//--------------------------------------------------------------------------
//--------------------------------------------------------------------------
// Private Variables:
//--------------------------------------------------------------------------
private static LogLevel severeLevel = null;
private static StringWriter sw = new StringWriter();
private static PrintWriter pw = new PrintWriter(sw);
//--------------------------------------------------------------------------
// Constructors:
//--------------------------------------------------------------------------
public AdapterLogRecord() {
super();
}
//--------------------------------------------------------------------------
// Public Methods:
//--------------------------------------------------------------------------
public void setCategory(String category) {
super.setCategory(category);
super.setLocation(getLocationInfo(category));
}
public boolean isSevereLevel() {
if (severeLevel == null) return false;
return severeLevel.equals(getLevel());
}
public static void setSevereLevel(LogLevel level) {
severeLevel = level;
}
public static LogLevel getSevereLevel() {
return severeLevel;
}
//--------------------------------------------------------------------------
// Protected Methods:
//--------------------------------------------------------------------------
protected String getLocationInfo(String category) {
String stackTrace = stackTraceToString(new Throwable());
String line = parseLine(stackTrace, category);
return line;
}
protected String stackTraceToString(Throwable t) {
String s = null;
synchronized (sw) {
t.printStackTrace(pw);
s = sw.toString();
sw.getBuffer().setLength(0);
}
return s;
}
protected String parseLine(String trace, String category) {
int index = trace.indexOf(category);
if (index == -1) return null;
trace = trace.substring(index);
trace = trace.substring(0, trace.indexOf(")") + 1);
return trace;
}
//--------------------------------------------------------------------------
// Private Methods:
//--------------------------------------------------------------------------
//--------------------------------------------------------------------------
// Nested Top-Level Classes or Interfaces
//--------------------------------------------------------------------------
}
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