dom4j - 1.6.1

Clover coverage report - dom4j - 1.6.1
Coverage timestamp: ma mei 16 2005 14:23:01 GMT+01:00
FRAMES NO FRAMES

file stats: | LOC: | 144 |  | Methods: | 4
| NCLOC: | 53 |  | Classes: | 1

Source file | Conditionals | Statements | Methods | TOTAL

SAXModifyElementHandler.java

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1 |  | /*
2 |  | * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
3 |  | *
4 |  | * This software is open source.
5 |  | * See the bottom of this file for the licence.
6 |  | */
7 |  |
8 |  | package org.dom4j.io;
9 |  |
10 |  | import org.dom4j.Document;
11 |  | import org.dom4j.Element;
12 |  | import org.dom4j.ElementHandler;
13 |  | import org.dom4j.ElementPath;
14 |  |
15 |  | /**
16 |  | * This {@link org.dom4j.ElementHandler}is used to trigger {@link
17 |  | * ElementModifier} objects in order to modify (parts of) the Document on the
18 |  | * fly.
19 |  | *
20 |  | * <p>
21 |  | * When an element is completely parsed, a copy is handed to the associated (if
22 |  | * any) {@link ElementModifier}that on his turn returns the modified element
23 |  | * that has to come in the tree.
24 |  | * </p>
25 |  | *
26 |  | * @author Wonne Keysers (Realsoftware.be)
27 |  | */
28 |  | class SAXModifyElementHandler implements ElementHandler {
29 |  | private ElementModifier elemModifier;
30 |  |
31 |  | private Element modifiedElement;
32 |  |
33 | 0 | public SAXModifyElementHandler(ElementModifier elemModifier) {
34 | 0 | this.elemModifier = elemModifier;
35 |  | }
36 |  |
37 | 0 | public void onStart(ElementPath elementPath) {
38 | 0 | this.modifiedElement = elementPath.getCurrent();
39 |  | }
40 |  |
41 | 0 | public void onEnd(ElementPath elementPath) {
42 | 0 | try {
43 | 0 | Element origElement = elementPath.getCurrent();
44 | 0 | Element currentParent = origElement.getParent();
45 |  |
46 | 0 | if (currentParent != null) {
47 |  | // Clone sets parent + document to null
48 | 0 | Element clonedElem = (Element) origElement.clone();
49 |  |
50 |  | // Ask for modified element
51 | 0 | modifiedElement = elemModifier.modifyElement(clonedElem);
52 |  |
53 | 0 | if (modifiedElement != null) {
54 |  | // Restore parent + document
55 | 0 | modifiedElement.setParent(origElement.getParent());
56 | 0 | modifiedElement.setDocument(origElement.getDocument());
57 |  |
58 |  | // Replace old with new element in parent
59 | 0 | int contentIndex = currentParent.indexOf(origElement);
60 | 0 | currentParent.content().set(contentIndex, modifiedElement);
61 |  | }
62 |  |
63 |  | // Remove the old element
64 | 0 | origElement.detach();
65 |  | } else {
66 | 0 | if (origElement.isRootElement()) {
67 |  | // Clone sets parent + document to null
68 | 0 | Element clonedElem = (Element) origElement.clone();
69 |  |
70 |  | // Ask for modified element
71 | 0 | modifiedElement = elemModifier.modifyElement(clonedElem);
72 |  |
73 | 0 | if (modifiedElement != null) {
74 |  | // Restore parent + document
75 | 0 | modifiedElement.setDocument(origElement.getDocument());
76 |  |
77 |  | // Replace old with new element in parent
78 | 0 | Document doc = origElement.getDocument();
79 | 0 | doc.setRootElement(modifiedElement);
80 |  | }
81 |  |
82 |  | // Remove the old element
83 | 0 | origElement.detach();
84 |  | }
85 |  | }
86 |  |
87 |  | // Put the new element on the ElementStack, it might get pruned by
88 |  | // the PruningDispatchHandler
89 | 0 | if (elementPath instanceof ElementStack) {
90 | 0 | ElementStack elementStack = ((ElementStack) elementPath);
91 | 0 | elementStack.popElement();
92 | 0 | elementStack.pushElement(modifiedElement);
93 |  | }
94 |  | } catch (Exception ex) {
95 | 0 | throw new SAXModifyException(ex);
96 |  | }
97 |  | }
98 |  |
99 |  | /**
100 |  | * DOCUMENT ME!
101 |  | *
102 |  | * @return Returns the modified Element.
103 |  | */
104 | 0 | protected Element getModifiedElement() {
105 | 0 | return modifiedElement;
106 |  | }
107 |  | }
108 |  |
109 |  | /*
110 |  | * Redistribution and use of this software and associated documentation
111 |  | * ("Software"), with or without modification, are permitted provided that the
112 |  | * following conditions are met:
113 |  | *
114 |  | * 1. Redistributions of source code must retain copyright statements and
115 |  | * notices. Redistributions must also contain a copy of this document.
116 |  | *
117 |  | * 2. Redistributions in binary form must reproduce the above copyright notice,
118 |  | * this list of conditions and the following disclaimer in the documentation
119 |  | * and/or other materials provided with the distribution.
120 |  | *
121 |  | * 3. The name "DOM4J" must not be used to endorse or promote products derived
122 |  | * from this Software without prior written permission of MetaStuff, Ltd. For
123 |  | * written permission, please contact dom4j-info@metastuff.com.
124 |  | *
125 |  | * 4. Products derived from this Software may not be called "DOM4J" nor may
126 |  | * "DOM4J" appear in their names without prior written permission of MetaStuff,
127 |  | * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
128 |  | *
129 |  | * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
130 |  | *
131 |  | * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
132 |  | * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
133 |  | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
134 |  | * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
135 |  | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
136 |  | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
137 |  | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
138 |  | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
139 |  | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
140 |  | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
141 |  | * POSSIBILITY OF SUCH DAMAGE.
142 |  | *
143 |  | * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
144 |  | */