AbsNameMessage


1   /**
2    * EasyBeans
3    * Copyright (C) 2006 Bull S.A.S.
4    * Contact: easybeans@objectweb.org
5    *
6    * This library is free software; you can redistribute it and/or
7    * modify it under the terms of the GNU Lesser General Public
8    * License as published by the Free Software Foundation; either
9    * version 2.1 of the License, or any later version.
10   *
11   * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * Lesser General Public License for more details.
15   *
16   * You should have received a copy of the GNU Lesser General Public
17   * License along with this library; if not, write to the Free Software
18   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19   * USA
20   *
21   * --------------------------------------------------------------------------
22   * $Id:$
23   * --------------------------------------------------------------------------
24   */
25  
26  package org.objectweb.easybeans.component.smartclient.message;
27  
28  import java.nio.ByteBuffer  ;
29  
30  /**
31   * Abstract class that can be used to exchange a message with a name inside.
32   * @author Florent Benoit
33   */
34  public abstract class AbsNameMessage extends AbsMessage {
35  
36      /**
37       * Name used for this message.
38       */
39      private String   name = null;
40  
41  
42      /**
43       * Builds a new message with the given name.
44       * @param name the given name
45       */
46      public AbsNameMessage(final String   name) {
47          super();
48          this.name = name;
49      }
50  
51      /**
52       * Builds a message by using the data contains in the bytebuffer.
53       * @param dataBuffer the data of the message to extract.
54       */
55      public AbsNameMessage(final ByteBuffer   dataBuffer) {
56          super();
57  
58          // rest of bytes = className
59          this.name = decode(dataBuffer);
60  
61      }
62  
63      /**
64       * Gets the name of this message.
65       * @return the name of this message.
66       */
67      public String   getName() {
68          return name;
69      }
70  
71      /**
72       * Gets the OpCode of this message.
73       * @return the operation code.
74       */
75      @Override  
76      public abstract byte getOpCode();
77  
78      /**
79       * Gets the content of this message (only this part, not the header).
80       * @return the content of this message.
81       */
82      @Override  
83      public ByteBuffer   getSubMessage() {
84          // Needs to send the name
85          ByteBuffer   nameBuffer = encode(name);
86  
87          return nameBuffer;
88      }
89  
90  
91  
92  }
93
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