1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 */
20 package org.apache.mina.core.write;
21
22 import java.net.SocketAddress;
23
24 import org.apache.mina.core.future.WriteFuture;
25
26 /**
27 * A wrapper for an existing {@link WriteRequest}.
28 *
29 * @author The Apache MINA Project (dev@mina.apache.org)
30 * @version $Rev: 671827 $, $Date: 2008-06-26 10:49:48 +0200 (jeu, 26 jun 2008) $
31 */
32 public class WriteRequestWrapper implements WriteRequest {
33
34 private final WriteRequest parentRequest;
35
36 /**
37 * Creates a new instance that wraps the specified request.
38 */
39 public WriteRequestWrapper(WriteRequest parentRequest) {
40 if (parentRequest == null) {
41 throw new NullPointerException("parentRequest");
42 }
43 this.parentRequest = parentRequest;
44 }
45
46 public SocketAddress getDestination() {
47 return parentRequest.getDestination();
48 }
49
50 public WriteFuture getFuture() {
51 return parentRequest.getFuture();
52 }
53
54 public Object getMessage() {
55 return parentRequest.getMessage();
56 }
57
58 public WriteRequest getOriginalRequest() {
59 return parentRequest.getOriginalRequest();
60 }
61
62 /**
63 * Returns the wrapped request object.
64 */
65 public WriteRequest getParentRequest() {
66 return parentRequest;
67 }
68
69 @Override
70 public String toString() {
71 if (getDestination() == null) {
72 return getMessage().toString();
73 } else {
74 return getMessage().toString() + " => " + getDestination();
75 }
76 }
77 }