/* *  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.mina.core.write;import java.net.SocketAddress;import org.apache.mina.core.future.WriteFuture;/** * A wrapper for an existing {@link WriteRequest}. * * @author The Apache MINA Project (dev@mina.apache.org) * @version $Rev: 671827 $, $Date: 2008-06-26 10:49:48 +0200 (Thu, 26 Jun 2008) $ */public class WriteRequestWrapper implements WriteRequest {    private final WriteRequest parentRequest;    /**     * Creates a new instance that wraps the specified request.     */    public WriteRequestWrapper(WriteRequest parentRequest) {        if (parentRequest == null) {            throw new NullPointerException("parentRequest");        }        this.parentRequest = parentRequest;    }    public SocketAddress getDestination() {        return parentRequest.getDestination();    }    public WriteFuture getFuture() {        return parentRequest.getFuture();    }    public Object getMessage() {        return parentRequest.getMessage();    }    public WriteRequest getOriginalRequest() {        return parentRequest.getOriginalRequest();    }    /**     * Returns the wrapped request object.     */    public WriteRequest getParentRequest() {        return parentRequest;    }    @Override    public String toString() {        if (getDestination() == null) {            return getMessage().toString();        } else {            return getMessage().toString() + " => " + getDestination();        }    }}