1 /*
2 * Copyright (c) 2001-2004,
3 * RedVerst Group, ISP RAS http://www.ispras.ru
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice, this
10 * list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 *
16 * 3. The names "ATP", "TreeDL", "RedVerst", "ISP RAS"
17 * may not be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
27 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 package com.unitesk.atp.text.filters;
33
34 /***
35 * Text receiver that buffers text in internal buffer
36 * and returns it as String on demand.
37 *
38 * @author <A href="mailto:demakov@ispras.ru">Alexey Demakov</A>
39 * @version $Id: StringTextReceiver.java,v 1.2 2004/10/11 15:00:42 all-x Exp $
40 */
41 public class StringTextReceiver implements TextReceiver
42 {
43 /***
44 * Class constructor.
45 */
46 public StringTextReceiver()
47 {
48 }
49
50 /***
51 * Gets the text currently buffered and clear buffer.
52 *
53 * @return The text currently buffered.
54 */
55 public String getText()
56 {
57 String res = buffer.toString();
58 buffer.setLength( 0 );
59 return res;
60 }
61
62 //--------------------------------------------------------------------------
63 // interface TextReceiver
64
65 /***
66 * Appends the specified string to the internal buffer.
67 *
68 * @param s The string to write.
69 */
70 public void txt( String s )
71 {
72 buffer.append( s );
73 }
74
75 /***
76 * Appends the line separator to the internal buffer.
77 */
78 public void nl()
79 {
80 buffer.append( endl );
81 }
82
83 //--------------------------------------------------------------------------
84 // implementation
85
86 private StringBuffer buffer = new StringBuffer();
87
88 private static final String endl = System.getProperty( "line.separator" );
89 }