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1   /***
2    * Redistribution  and use  in source  and binary  forms, with  or without
3    * modification, are permitted provided  that the following conditions are
4    * met :
5    *
6    * . Redistributions  of  source  code  must  retain  the  above copyright
7    *   notice, this list of conditions and the following disclaimer.
8    *
9    * . Redistributions in  binary form  must reproduce  the above  copyright
10   *   notice, this list of conditions  and the following disclaimer in  the
11   *   documentation and/or other materials provided with the distribution.
12   *
13   * . The name of the author may not be used to endorse or promote products
14   *   derived from this software without specific prior written permission.
15   *
16   * THIS SOFTWARE IS  PROVIDED BY THE  AUTHOR ``AS IS''  AND ANY EXPRESS  OR
17   * IMPLIED  WARRANTIES,  INCLUDING,  BUT   NOT  LIMITED  TO,  THE   IMPLIED
18   * WARRANTIES OF MERCHANTABILITY AND  FITNESS FOR A PARTICULAR  PURPOSE ARE
19   * DISCLAIMED.  IN NO  EVENT SHALL  THE AUTHOR  BE LIABLE  FOR ANY  DIRECT,
20   * INDIRECT,  INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR  CONSEQUENTIAL  DAMAGES
21   * (INCLUDING,  BUT  NOT LIMITED  TO,  PROCUREMENT OF  SUBSTITUTE  GOODS OR
22   * SERVICES;  LOSS  OF USE,  DATA,  OR PROFITS;  OR  BUSINESS INTERRUPTION)
23   * HOWEVER CAUSED  AND ON  ANY THEORY  OF LIABILITY,  WHETHER IN  CONTRACT,
24   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25   * ANY  WAY  OUT OF  THE  USE OF  THIS  SOFTWARE, EVEN  IF  ADVISED OF  THE
26   * POSSIBILITY OF SUCH DAMAGE.
27   *
28   * $Id: AsynchronousInput.java,v 1.4 2005/09/10 23:59:42 mat007 Exp $
29   */
30  
31  package jtge.engine.io;
32  
33  /***
34   * Wraps an input to provide an asynchronous reading.
35   *
36   * @author Mathieu Champlon
37   * @version $Revision: 1.4 $ $Date: 2005/09/10 23:59:42 $
38   */
39  public class AsynchronousInput extends Thread implements IInput
40  {
41      private final IInput input;
42  
43      /***
44       * Create an asynchronous input.
45       *
46       * @param input the input to wrap
47       */
48      public AsynchronousInput( final IInput input )
49      {
50          if( input == null )
51              throw new IllegalArgumentException( "'input' argument is null" );
52          this.input = input;
53      }
54  
55      /***
56       * {@inheritDoc}
57       */
58      public final void run()
59      {
60          try
61          {
62              input.read();
63          }
64          catch( Exception e )
65          {
66              e.printStackTrace();
67          }
68      }
69  
70      /***
71       * {@inheritDoc}
72       */
73      public final void read()
74      {
75          start();
76      }
77  
78      /***
79       * {@inheritDoc}
80       */
81      public final void close()
82      {
83          input.close();
84      }
85  
86      /***
87       * {@inheritDoc}
88       */
89      public final boolean isClosed()
90      {
91          return input.isClosed();
92      }
93  }