001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *    http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 *
019 */
020package org.apache.mina.filter.util;
021
022import org.apache.mina.core.filterchain.IoFilterAdapter;
023
024/**
025 * A Noop filter. It does nothing, as all the method are already implemented
026 * in the super class.
027 * <br>
028 * 
029 * This class is used by tests, when some faked filter is needed to test that the 
030 * chain is working properly when adding or removing a filter.
031 *
032 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
033 */
034public class NoopFilter extends IoFilterAdapter {
035    /**
036     * Default Constructor.
037     */
038    public NoopFilter() {
039        super();
040    }
041}