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: FileOutputConnector.java,v 1.8 2005/09/10 11:26:47 mat007 Exp $
29 */
30
31 package jtge.engine.io;
32
33 import java.io.FileOutputStream;
34 import java.io.IOException;
35
36 /***
37 * Implements a connector for writing in a file.
38 *
39 * @author Mathieu Champlon
40 * @version $Revision: 1.8 $ $Date: 2005/09/10 11:26:47 $
41 */
42 public class FileOutputConnector implements IConnector
43 {
44 private final IInputOutputFactory factory;
45 private final IConnectionObserver observer;
46 private final String filename;
47
48 /***
49 * Create a file io outputHandler for output.
50 *
51 * @param factory the input/output factory
52 * @param observer the connection observer
53 * @param filename the file name
54 */
55 public FileOutputConnector( final IInputOutputFactory factory, final IConnectionObserver observer,
56 final String filename )
57 {
58 if( factory == null )
59 throw new IllegalArgumentException( "argument 'factory' is null" );
60 if( observer == null )
61 throw new IllegalArgumentException( "argument 'observer' is null" );
62 if( filename == null )
63 throw new IllegalArgumentException( "argument 'filename' is null" );
64 this.factory = factory;
65 this.observer = observer;
66 this.filename = filename;
67 }
68
69 /***
70 * {@inheritDoc}
71 */
72 public final void open()
73 {
74 try
75 {
76 final FileOutputStream stream = new FileOutputStream( filename );
77 final IOutput output = factory.create( stream );
78 observer.opened( null, output );
79 }
80 catch( IOException e )
81 {
82 throw new InputOutputException( e );
83 }
84 }
85 }