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20 package org.apache.mina.core.write;
21
22 import java.net.SocketAddress;
23 import java.util.concurrent.TimeUnit;
24
25 import org.apache.mina.core.future.IoFutureListener;
26 import org.apache.mina.core.future.WriteFuture;
27 import org.apache.mina.core.session.IoSession;
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33
34 public class DefaultWriteRequest implements WriteRequest {
35
36 public static final byte[] EMPTY_MESSAGE = new byte[] {};
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38
39 private static final WriteFuture UNUSED_FUTURE = new WriteFuture() {
40 public boolean isWritten() {
41 return false;
42 }
43
44 public void setWritten() {
45
46 }
47
48 public IoSession getSession() {
49 return null;
50 }
51
52 public void join() {
53
54 }
55
56 public boolean join(long timeoutInMillis) {
57 return true;
58 }
59
60 public boolean isDone() {
61 return true;
62 }
63
64 public WriteFuture addListener(IoFutureListener<?> listener) {
65 throw new IllegalStateException("You can't add a listener to a dummy future.");
66 }
67
68 public WriteFuture removeListener(IoFutureListener<?> listener) {
69 throw new IllegalStateException("You can't add a listener to a dummy future.");
70 }
71
72 public WriteFuture await() throws InterruptedException {
73 return this;
74 }
75
76 public boolean await(long timeout, TimeUnit unit) throws InterruptedException {
77 return true;
78 }
79
80 public boolean await(long timeoutMillis) throws InterruptedException {
81 return true;
82 }
83
84 public WriteFuture awaitUninterruptibly() {
85 return this;
86 }
87
88 public boolean awaitUninterruptibly(long timeout, TimeUnit unit) {
89 return true;
90 }
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92 public boolean awaitUninterruptibly(long timeoutMillis) {
93 return true;
94 }
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96 public Throwable getException() {
97 return null;
98 }
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100 public void setException(Throwable cause) {
101
102 }
103 };
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105 private final Object message;
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107 private final WriteFuture future;
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109 private final SocketAddress destination;
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116 public DefaultWriteRequest(Object message) {
117 this(message, null, null);
118 }
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123 public DefaultWriteRequest(Object message, WriteFuture future) {
124 this(message, future, null);
125 }
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135 public DefaultWriteRequest(Object message, WriteFuture future, SocketAddress destination) {
136 if (message == null) {
137 throw new IllegalArgumentException("message");
138 }
139
140 if (future == null) {
141 future = UNUSED_FUTURE;
142 }
143
144 this.message = message;
145 this.future = future;
146 this.destination = destination;
147 }
148
149 public WriteFuture getFuture() {
150 return future;
151 }
152
153 public Object getMessage() {
154 return message;
155 }
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157 public WriteRequest getOriginalRequest() {
158 return this;
159 }
160
161 public SocketAddress getDestination() {
162 return destination;
163 }
164
165 @Override
166 public String toString() {
167 StringBuilder sb = new StringBuilder();
168
169 sb.append("WriteRequest: ");
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173 if (message.getClass().getName().equals(Object.class.getName())) {
174 sb.append("CLOSE_REQUEST");
175 } else {
176 if (getDestination() == null) {
177 sb.append(message);
178 } else {
179 sb.append(message);
180 sb.append(" => ");
181 sb.append(getDestination());
182 }
183 }
184
185 return sb.toString();
186 }
187
188 public boolean isEncoded() {
189 return false;
190 }
191 }