Clover coverage report - dom4j - 1.6.1
Coverage timestamp: ma mei 16 2005 14:23:01 GMT+01:00

file stats: | LOC: | 218 |  | Methods: | 17
| NCLOC: | 92 |  | Classes: | 1

Source file | Conditionals | Statements | Methods | TOTAL

ElementStack.java

28,6%

32,5%

47,1%

35,2%

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.Element;
11 |  | import org.dom4j.ElementHandler;
12 |  | import org.dom4j.ElementPath;
13 |  |
14 |  | /**
15 |  | * <p>
16 |  | * <code>ElementStack</code> is used internally inside the {@link
17 |  | * SAXContentHandler} to maintain a stack of {@link Element}instances. It opens
18 |  | * an integration possibility allowing derivations to prune the tree when a node
19 |  | * is complete.
20 |  | * </p>
21 |  | *
22 |  | * @author <a href="mailto:james.strachan@metastuff.com">James Strachan </a>
23 |  | * @version $Revision: 1.14 $
24 |  | */
25 |  | class ElementStack implements ElementPath {
26 |  | /** stack of <code>Element</code> objects */
27 |  | protected Element[] stack;
28 |  |
29 |  | /** index of the item at the top of the stack or -1 if the stack is empty */
30 |  | protected int lastElementIndex = -1;
31 |  |
32 |  | private DispatchHandler handler = null;
33 |  |
34 | 5811 | public ElementStack() {
35 | 5811 | this(50);
36 |  | }
37 |  |
38 | 5811 | public ElementStack(int defaultCapacity) {
39 | 5811 | stack = new Element[defaultCapacity];
40 |  | }
41 |  |
42 | 18 | public void setDispatchHandler(DispatchHandler dispatchHandler) {
43 | 18 | this.handler = dispatchHandler;
44 |  | }
45 |  |
46 | 0 | public DispatchHandler getDispatchHandler() {
47 | 0 | return this.handler;
48 |  | }
49 |  |
50 |  | /**
51 |  | * Peeks at the top element on the stack without changing the contents of
52 |  | * the stack.
53 |  | */
54 | 11628 | public void clear() {
55 | 11628 | lastElementIndex = -1;
56 |  | }
57 |  |
58 |  | /**
59 |  | * Peeks at the top element on the stack without changing the contents of
60 |  | * the stack.
61 |  | *
62 |  | * @return the current element on the stack
63 |  | */
64 | 86859 | public Element peekElement() {
65 | 86859 | if (lastElementIndex < 0) {
66 | 5814 | return null;
67 |  | }
68 |  |
69 | 81045 | return stack[lastElementIndex];
70 |  | }
71 |  |
72 |  | /**
73 |  | * Pops the element off the stack
74 |  | *
75 |  | * @return the element that has just been popped off the stack
76 |  | */
77 | 86721 | public Element popElement() {
78 | 86721 | if (lastElementIndex < 0) {
79 | 0 | return null;
80 |  | }
81 |  |
82 | 86721 | return stack[lastElementIndex--];
83 |  | }
84 |  |
85 |  | /**
86 |  | * Pushes a new element onto the stack
87 |  | *
88 |  | * @param element
89 |  | * DOCUMENT ME!
90 |  | */
91 | 86721 | public void pushElement(Element element) {
92 | 86721 | int length = stack.length;
93 |  |
94 | 86721 | if (++lastElementIndex >= length) {
95 | 0 | reallocate(length * 2);
96 |  | }
97 |  |
98 | 86721 | stack[lastElementIndex] = element;
99 |  | }
100 |  |
101 |  | /**
102 |  | * Reallocates the stack to the given size
103 |  | *
104 |  | * @param size
105 |  | * DOCUMENT ME!
106 |  | */
107 | 0 | protected void reallocate(int size) {
108 | 0 | Element[] oldStack = stack;
109 | 0 | stack = new Element[size];
110 | 0 | System.arraycopy(oldStack, 0, stack, 0, oldStack.length);
111 |  | }
112 |  |
113 |  | // The ElementPath Interface
114 |  | //
115 | 0 | public int size() {
116 | 0 | return lastElementIndex + 1;
117 |  | }
118 |  |
119 | 0 | public Element getElement(int depth) {
120 | 0 | Element element;
121 |  |
122 | 0 | try {
123 | 0 | element = (Element) stack[depth];
124 |  | } catch (ArrayIndexOutOfBoundsException e) {
125 | 0 | element = null;
126 |  | }
127 |  |
128 | 0 | return element;
129 |  | }
130 |  |
131 | 0 | public String getPath() {
132 | 0 | if (handler == null) {
133 | 0 | setDispatchHandler(new DispatchHandler());
134 |  | }
135 |  |
136 | 0 | return handler.getPath();
137 |  | }
138 |  |
139 | 138 | public Element getCurrent() {
140 | 138 | return peekElement();
141 |  | }
142 |  |
143 | 0 | public void addHandler(String path, ElementHandler elementHandler) {
144 | 0 | this.handler.addHandler(getHandlerPath(path), elementHandler);
145 |  | }
146 |  |
147 | 0 | public void removeHandler(String path) {
148 | 0 | this.handler.removeHandler(getHandlerPath(path));
149 |  | }
150 |  |
151 |  | /**
152 |  | * DOCUMENT ME!
153 |  | *
154 |  | * @param path
155 |  | * DOCUMENT ME!
156 |  | *
157 |  | * @return true when an <code>ElementHandler</code> is registered for the
158 |  | * specified path.
159 |  | */
160 | 0 | public boolean containsHandler(String path) {
161 | 0 | return this.handler.containsHandler(path);
162 |  | }
163 |  |
164 | 0 | private String getHandlerPath(String path) {
165 | 0 | String handlerPath;
166 |  |
167 | 0 | if (this.handler == null) {
168 | 0 | setDispatchHandler(new DispatchHandler());
169 |  | }
170 |  |
171 | 0 | if (path.startsWith("/")) {
172 | 0 | handlerPath = path;
173 | 0 | } else if (getPath().equals("/")) {
174 | 0 | handlerPath = getPath() + path;
175 |  | } else {
176 | 0 | handlerPath = getPath() + "/" + path;
177 |  | }
178 |  |
179 | 0 | return handlerPath;
180 |  | }
181 |  | }
182 |  |
183 |  | /*
184 |  | * Redistribution and use of this software and associated documentation
185 |  | * ("Software"), with or without modification, are permitted provided that the
186 |  | * following conditions are met:
187 |  | *
188 |  | * 1. Redistributions of source code must retain copyright statements and
189 |  | * notices. Redistributions must also contain a copy of this document.
190 |  | *
191 |  | * 2. Redistributions in binary form must reproduce the above copyright notice,
192 |  | * this list of conditions and the following disclaimer in the documentation
193 |  | * and/or other materials provided with the distribution.
194 |  | *
195 |  | * 3. The name "DOM4J" must not be used to endorse or promote products derived
196 |  | * from this Software without prior written permission of MetaStuff, Ltd. For
197 |  | * written permission, please contact dom4j-info@metastuff.com.
198 |  | *
199 |  | * 4. Products derived from this Software may not be called "DOM4J" nor may
200 |  | * "DOM4J" appear in their names without prior written permission of MetaStuff,
201 |  | * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
202 |  | *
203 |  | * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
204 |  | *
205 |  | * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
206 |  | * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
207 |  | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
208 |  | * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
209 |  | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
210 |  | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
211 |  | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
212 |  | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
213 |  | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
214 |  | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
215 |  | * POSSIBILITY OF SUCH DAMAGE.
216 |  | *
217 |  | * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
218 |  | */