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.dom;
51
52 import org.apache.commons.jelly.JellyTagException;
53 import org.apache.commons.jelly.MissingAttributeException;
54 import org.apache.commons.jelly.TagSupport;
55 import org.apache.commons.jelly.XMLOutput;
56 import org.w3c.dom.Node;
57
58 public class InsertTag extends TagSupport {
59
60 private Node node;
61 private String name;
62 private String text;
63 private String var;
64 private Node before;
65
66 public void setNode(Node node) {
67 this.node = node;
68 }
69
70 public void setName(String name) {
71 this.name = name;
72 }
73
74 public void setText(String text) {
75 this.text = text;
76 }
77
78 public void setVar(String var) {
79 this.var = var;
80 }
81
82 public void setBefore(Node before) {
83 this.before = before;
84 }
85
86 public void doTag(XMLOutput output)
87 throws MissingAttributeException, JellyTagException {
88
89 int num = 0;
90 if (node != null) {
91 ++num;
92 }
93 if (name != null) {
94 ++num;
95 }
96 if (text != null) {
97 ++num;
98 }
99
100 if (num != 1) {
101 throw new JellyTagException(
102 "Must specify one of " + "node, name, or text");
103 }
104
105 if (before == null) {
106 throw new MissingAttributeException("before");
107 }
108
109 Node parentNode = before.getParentNode();
110
111 if (name != null) {
112 node = parentNode.getOwnerDocument().createElement(name);
113 } else if (text != null) {
114 node = parentNode.getOwnerDocument().createTextNode(text);
115 }
116
117 if (parentNode != null) {
118 parentNode.insertBefore(node, before);
119 }
120
121 if (var != null) {
122 context.setVariable(var, node);
123 }
124 }
125 }
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