org.microemu.log.QueueAppender Maven / Gradle / Ivy
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/**
* MicroEmulator
* Copyright (C) 2001-2007 Bartek Teodorczyk
* Copyright (C) 2006-2007 Vlad Skarzhevskyy
*
* It is licensed under the following two licenses as alternatives:
* 1. GNU Lesser General Public License (the "LGPL") version 2.1 or any newer version
* 2. Apache License (the "AL") Version 2.0
*
* You may not use this file except in compliance with at least one of
* the above two licenses.
*
* You may obtain a copy of the LGPL at
* http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
*
* You may obtain a copy of the AL 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 LGPL or the AL for the specific language governing permissions and
* limitations.
*
* @version $Id: QueueAppender.java 1605 2008-02-25 21:07:14Z barteo $
*/
package org.microemu.log;
import java.util.LinkedList;
import java.util.List;
public class QueueAppender implements LoggerAppender {
private int buferSize;
private List queue = new LinkedList();
public QueueAppender(int buferSize) {
this.buferSize = buferSize;
}
public void append(LoggingEvent event) {
queue.add(event);
if (queue.size() > buferSize) {
queue.remove(0);
}
}
public LoggingEvent poll() {
if (queue.size() == 0) {
return null;
}
return (LoggingEvent) queue.remove(0);
}
}