org.apache.log4j.SimpleLayout Maven / Gradle / Ivy
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/*
* 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;
}
}