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.jelly.tags.prefs;
51
52 import net.sourceforge.xwing.prefs.Prefs;
53
54 import org.apache.commons.jelly.JellyTagException;
55 import org.apache.commons.jelly.MissingAttributeException;
56 import org.apache.commons.jelly.TagSupport;
57 import org.apache.commons.jelly.XMLOutput;
58
59 public class PrefTag extends TagSupport {
60
61 private String key;
62 private Object def;
63 private String type;
64
65 public void setKey(String key) {
66 this.key = key;
67 }
68
69 public void setType(String type) {
70 this.type = type;
71 }
72
73 public void setDefault(Object def) {
74 this.def = def;
75 }
76
77 public void doTag(XMLOutput output) throws JellyTagException {
78 if (key == null) {
79 throw new MissingAttributeException("key");
80 }
81 if (def == null) {
82 throw new MissingAttributeException("default");
83 }
84
85 PrefsTag pt = (PrefsTag) findAncestorWithClass(PrefsTag.class);
86
87 if (pt == null) {
88 throw new JellyTagException(
89 "pref must be used " + "inside a prefs tag.");
90 }
91
92 Prefs prefs = pt.getPrefs();
93
94 if (type == null || type.length() == 0) {
95 prefs.add(key, def);
96 } else if (type.equalsIgnoreCase("String")) {
97 prefs.add(key, def, String.class);
98 } else if (type.equalsIgnoreCase("Boolean")) {
99 prefs.add(key, def, Boolean.class);
100 } else if (type.equalsIgnoreCase("Integer")) {
101 prefs.add(key, def, Integer.class);
102 } else if (type.equalsIgnoreCase("Long")) {
103 prefs.add(key, def, Long.class);
104 } else if (type.equalsIgnoreCase("Float")) {
105 prefs.add(key, def, Float.class);
106 } else if (type.equalsIgnoreCase("Double")) {
107 prefs.add(key, def, Double.class);
108 } else if (type.equalsIgnoreCase("byte[]")) {
109 prefs.add(key, def, byte[].class);
110 } else {
111 throw new JellyTagException(
112 "type must be String, Boolean, "
113 + "Integer, Long, Float, Double, or byte[]");
114 }
115
116 invokeBody(output);
117 }
118 }
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