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1   /*
2    * $Source$
3    * $Revision$
4    *
5    * Copyright (C) 2000 Tim Joyce
6    *
7    * Part of Melati (http://melati.org), a framework for the rapid
8    * development of clean, maintainable web applications.
9    *
10   * Melati is free software; Permission is granted to copy, distribute
11   * and/or modify this software under the terms either:
12   *
13   * a) the GNU General Public License as published by the Free Software
14   *    Foundation; either version 2 of the License, or (at your option)
15   *    any later version,
16   *
17   *    or
18   *
19   * b) any version of the Melati Software License, as published
20   *    at http://melati.org
21   *
22   * You should have received a copy of the GNU General Public License and
23   * the Melati Software License along with this program;
24   * if not, write to the Free Software Foundation, Inc.,
25   * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the
26   * GNU General Public License and visit http://melati.org to obtain the
27   * Melati Software License.
28   *
29   * Feel free to contact the Developers of Melati (http://melati.org),
30   * if you would like to work out a different arrangement than the options
31   * outlined here.  It is our intention to allow Melati to be used by as
32   * wide an audience as possible.
33   *
34   * This program is distributed in the hope that it will be useful,
35   * but WITHOUT ANY WARRANTY; without even the implied warranty of
36   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
37   * GNU General Public License for more details.
38   *
39   * Contact details for copyright holder:
40   *
41   *     Tim Joyce <timj At paneris.org>
42   */
43  
44  package org.melati.util;
45  
46  import java.io.CharArrayWriter;
47  import java.io.IOException;
48  import java.io.Writer;
49  
50  /**
51   * A buffered output object for Melati.
52   */
53  
54  public class MelatiBufferedWriter extends MelatiWriter {
55  
56    // the output is buffered
57    private CharArrayWriter bufferedOutput = new CharArrayWriter(2000);
58    
59    /**
60     * Constructor.
61     * 
62     * @param writer the Writer
63     */
64    public MelatiBufferedWriter(Writer writer) {
65      out = writer;
66    }
67    
68    /**
69     * {@inheritDoc}
70     * @see java.io.Writer#write(char[], int, int)
71     */
72    public void write(char cbuf[], int off, int len) throws IOException {
73      bufferedOutput.write(cbuf, off, len);
74      startFlushing();
75    }
76  
77    /**
78     * {@inheritDoc}
79     * @see org.melati.util.MelatiWriter#reset()
80     */
81    public void reset() throws IOException {
82      bufferedOutput.reset();
83    }
84  
85    /**
86     * {@inheritDoc}
87     * @see java.io.Flushable#flush()
88     */
89    public void flush() throws IOException {
90      bufferedOutput.flush();
91      out.flush();
92    }
93  
94    /**
95     * {@inheritDoc}
96     * @see java.io.Closeable#close()
97     */
98    public void close() throws IOException {
99      bufferedOutput.writeTo(out);
100     bufferedOutput.close();
101     super.close();
102   }
103   
104 }