org.apache.log4j.pattern.LevelPatternConverter Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.log4j.pattern;
import org.apache.log4j.Level;
import org.apache.log4j.spi.LoggingEvent;
/**
* Return the event's level in a StringBuffer.
*
* @author Ceki Gülcü
*/
public final class LevelPatternConverter extends LoggingEventPatternConverter {
/**
* Integer severity for Level.TRACE.
*/
private static final int TRACE_INT = 5000;
/**
* Singleton.
*/
private static final LevelPatternConverter INSTANCE = new LevelPatternConverter();
/**
* Private constructor.
*/
private LevelPatternConverter() {
super("Level", "level");
}
/**
* Obtains an instance of pattern converter.
*
* @param options options, may be null.
* @return instance of pattern converter.
*/
public static LevelPatternConverter newInstance(final String[] options) {
return INSTANCE;
}
/**
* {@inheritDoc}
*/
public void format(final LoggingEvent event, final StringBuffer output) {
output.append(event.getLevel().toString());
}
/**
* {@inheritDoc}
*/
public String getStyleClass(Object e) {
if (e instanceof LoggingEvent) {
int lint = ((LoggingEvent) e).getLevel().toInt();
switch (lint) {
case TRACE_INT:
return "level trace";
case Level.DEBUG_INT:
return "level debug";
case Level.INFO_INT:
return "level info";
case Level.WARN_INT:
return "level warn";
case Level.ERROR_INT:
return "level error";
case Level.FATAL_INT:
return "level fatal";
default:
return "level " + ((LoggingEvent) e).getLevel().toString();
}
}
return "level";
}
}