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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.common.support;
21  
22  import org.apache.mina.common.ConnectFuture;
23  import org.apache.mina.common.IoSession;
24  import org.apache.mina.common.RuntimeIOException;
25  
26  /**
27   * A default implementation of {@link ConnectFuture}.
28   *
29   * @author The Apache Directory Project (mina-dev@directory.apache.org)
30   * @version $Rev: 555855 $, $Date: 2007-07-13 12:19:00 +0900 (Fri, 13 Jul 2007) $
31   */
32  public class DefaultConnectFuture extends DefaultIoFuture implements
33          ConnectFuture {
34      /**
35       * Returns a new {@link ConnectFuture} which is already marked as 'failed to connect'.
36       */
37      public static ConnectFuture newFailedFuture(Throwable exception) {
38          DefaultConnectFuture failedFuture = new DefaultConnectFuture();
39          failedFuture.setException(exception);
40          return failedFuture;
41      }
42  
43      /**
44       * Creates a new instance.
45       */
46      public DefaultConnectFuture() {
47          super(null);
48      }
49  
50      /**
51       * Creates a new instance which uses the specified object as a lock.
52       */
53      public DefaultConnectFuture(Object lock) {
54          super(null, lock);
55      }
56  
57      public IoSession getSession() throws RuntimeIOException {
58          Object v = getValue();
59          if (v instanceof RuntimeIOException) {
60              throw (RuntimeIOException) v;
61          } else if (v instanceof Throwable) {
62              throw (RuntimeIOException) new RuntimeIOException(
63                      "Failed to get the session.").initCause((Throwable) v);
64          } else {
65              return (IoSession) v;
66          }
67      }
68  
69      public boolean isConnected() {
70          return getValue() instanceof IoSession;
71      }
72  
73      public void setSession(IoSession session) {
74          setValue(session);
75      }
76  
77      public void setException(Throwable exception) {
78          setValue(exception);
79      }
80  }