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1 /*
2 * Copyright (c) 2003 Scott Howlett & Paul Libbrecht.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. The end-user documentation included with the redistribution,
18 * if any, must include the following acknowledgment:
19 * "This product includes software developed by the Xwing
20 * Project ( http://xwing.sourceforge.net/ )."
21 * Alternately, this acknowledgment may appear in the software itself,
22 * if and wherever such third-party acknowledgments normally appear.
23 *
24 * 4. The name "Xwing" must not be used to endorse or promote products
25 * derived from this software without prior written permission. For
26 * written permission, please contact the project authors via
27 * the Xwing project site, http://xwing.sourceforge.net/ .
28 *
29 * 5. Products derived from this software may not be called "Xwing",
30 * nor may "Xwing" appear in their name, without prior written
31 * permission of the Xwing project.
32 *
33 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
34 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
35 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
36 * DISCLAIMED. IN NO EVENT SHALL THE XWING AUTHORS OR THE PROJECT
37 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
39 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
40 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
41 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
42 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
43 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44 * SUCH DAMAGE.
45 *
46 * For more information on Xwing, please see
47 * < http://xwing.sourceforge.net/ >.
48 */
49
50 package net.sourceforge.xwing;
51
52
53 import org.apache.commons.lang.ObjectUtils;
54 import org.apache.commons.lang.StringUtils;
55
56 /***
57 * A SourceSink that converts Boolean values
58 * that are set and retrieved via its get() and set()
59 * methods and text values in an underlying SourceSink.
60 *
61 * @author Scott Howlett
62 * @version $Revision: 1.3 $
63 */
64 public class BooleanToTextAdapter extends FilteringSourceSink {
65
66 private SourceSink ss;
67 private String trueText;
68 private String falseText;
69
70 /***
71 * Create a new BooleanToTextAdapter.
72 *
73 * @param srcSink A SourceSink that gets and sets String values.
74 * @param trueText The String value from the underlying SourceSink
75 * that should be interpreted as Boolean.TRUE.
76 * @param falseText The String value from the underlying
77 * SourceSink that should be interpreted as Boolean.FALSE.
78 */
79
80 public BooleanToTextAdapter(
81 SourceSink srcSink,
82 String trueText,
83 String falseText) {
84 super(srcSink);
85 this.trueText = trueText;
86 this.falseText = falseText;
87 }
88
89 protected Object readFilter(Object value) {
90 return StringUtils.equals(value.toString(), trueText)
91 ? Boolean.TRUE
92 : Boolean.FALSE;
93 }
94
95 protected Object writeFilter(Object value) {
96 return ObjectUtils.equals(value, Boolean.TRUE) ? trueText : falseText;
97 }
98 }
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