org.apache.log4j.SimpleLayout 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;
import org.apache.log4j.spi.LoggingEvent;
/**
* SimpleLayout consists of the level of the log statement, followed by " - "
* and then the log message itself. For example,
*
*
DEBUG - Hello world
*
*
*
*
* @author Ceki Gülcü
* @since version 0.7.0
*
*
* {@link PatternLayout} offers a much more powerful alternative.
*/
public class SimpleLayout extends Layout {
StringBuffer sbuf = new StringBuffer(128);
public SimpleLayout() {
}
public void activateOptions() {
}
/**
* Returns the log statement in a format consisting of the level,
* followed by " - " and then the message. For example,
*
*
* INFO - "A message"
*
*
*
* The category parameter is ignored.
*
*
* @return A byte array in SimpleLayout format.
*/
public String format(LoggingEvent event) {
sbuf.setLength(0);
sbuf.append(event.getLevel().toString());
sbuf.append(" - ");
sbuf.append(event.getRenderedMessage());
sbuf.append(LINE_SEP);
return sbuf.toString();
}
/**
* The SimpleLayout does not handle the throwable contained within
* {@link LoggingEvent LoggingEvents}. Thus, it returns true.
*
* @since version 0.8.4
*/
public boolean ignoresThrowable() {
return true;
}
}