Source Code Cross Referenced for DomUtils.java in  » Library » Apache-beehive-1.0.2-src » org » apache » beehive » netui » util » xml » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Library » Apache beehive 1.0.2 src » org.apache.beehive.netui.util.xml 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Licensed to the Apache Software Foundation (ASF) under one or more
003:         * contributor license agreements.  See the NOTICE file distributed with
004:         * this work for additional information regarding copyright ownership.
005:         * The ASF licenses this file to You under the Apache License, Version 2.0
006:         * (the "License"); you may not use this file except in compliance with
007:         * the License.  You may obtain a copy of the License at
008:         *
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         * Unless required by applicable law or agreed to in writing, software
012:         * distributed under the License is distributed on an "AS IS" BASIS,
013:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         * See the License for the specific language governing permissions and
015:         * limitations under the License.
016:         *
017:         * $Header:$
018:         */
019:        package org.apache.beehive.netui.util.xml;
020:
021:        import java.util.List;
022:        import java.util.ArrayList;
023:
024:        import org.w3c.dom.Node;
025:        import org.w3c.dom.Element;
026:        import org.w3c.dom.NodeList;
027:        import org.w3c.dom.Text;
028:        import org.w3c.dom.Attr;
029:
030:        /**
031:         * <p>This class exists simply because DOM is so inconvenient to use.</p>
032:         */
033:        public final class DomUtils {
034:
035:            /* do not construct */
036:            private DomUtils() {
037:            }
038:
039:            /**
040:             * <p>Returns the first child element with the given name. Returns
041:             * <code>null</code> if not found.</p>
042:             *
043:             * @param parent parent element
044:             * @param name name of the child element
045:             * @return child element
046:             */
047:            public static Element getChildElementByName(Element parent,
048:                    String name) {
049:                NodeList children = parent.getChildNodes();
050:
051:                for (int i = 0; i < children.getLength(); i++) {
052:                    Node node = children.item(i);
053:                    if (node.getNodeType() == Node.ELEMENT_NODE) {
054:                        Element element = (Element) node;
055:                        if (element.getTagName().equals(name)) {
056:                            return element;
057:                        }
058:                    }
059:                }
060:
061:                return null;
062:            }
063:
064:            /**
065:             * <p>Returns a list of child elements with the given
066:             * name. Returns an empty list if there are no such child
067:             * elements.</p>
068:             *
069:             * @param parent parent element
070:             * @param name name of the child element
071:             * @return child elements
072:             */
073:            public static List getChildElementsByName(Element parent,
074:                    String name) {
075:                List elements = new ArrayList();
076:
077:                NodeList children = parent.getChildNodes();
078:
079:                for (int i = 0; i < children.getLength(); i++) {
080:                    Node node = children.item(i);
081:                    if (node.getNodeType() == Node.ELEMENT_NODE) {
082:                        Element element = (Element) node;
083:                        if (element.getTagName().equals(name)) {
084:                            elements.add(element);
085:                        }
086:                    }
087:                }
088:
089:                return elements;
090:            }
091:
092:            /**
093:             * <p>Returns the text value of a child element. Returns
094:             * <code>null</code> if there is no child element found.</p>
095:             *
096:             * @param parent parent element
097:             * @param name name of the child element
098:             * @return text value
099:             */
100:            public static String getChildElementText(Element parent, String name) {
101:                // Get children
102:                List list = DomUtils.getChildElementsByName(parent, name);
103:
104:                if (list.size() == 1) {
105:                    Element child = (Element) list.get(0);
106:
107:                    StringBuffer buf = new StringBuffer();
108:
109:                    NodeList children = child.getChildNodes();
110:                    for (int i = 0; i < children.getLength(); i++) {
111:                        Node node = children.item(i);
112:                        if (node.getNodeType() == Node.TEXT_NODE
113:                                || node.getNodeType() == Node.CDATA_SECTION_NODE) {
114:                            Text text = (Text) node;
115:                            buf.append(text.getData().trim());
116:                        }
117:                    }
118:
119:                    return buf.toString();
120:                } else {
121:                    return null;
122:                }
123:            }
124:
125:            /**
126:             * <p>Returns the text value of a child element. Returns
127:             * <code>null</code> if there is no child element found.</p>
128:             *
129:             * @param element element
130:             * @return text value
131:             */
132:            public static String getElementText(Element element) {
133:                StringBuffer buf = new StringBuffer();
134:
135:                NodeList children = element.getChildNodes();
136:                for (int i = 0; i < children.getLength(); i++) {
137:                    Node node = children.item(i);
138:                    if (node.getNodeType() == Node.TEXT_NODE
139:                            || node.getNodeType() == Node.CDATA_SECTION_NODE) {
140:                        Text text = (Text) node;
141:                        buf.append(text.getData().trim());
142:                    }
143:                }
144:
145:                return buf.toString();
146:            }
147:
148:            /**
149:             * <p>Returns an array of text values of a child element. Returns
150:             * <code>null</code> if there is no child element found.</p>
151:             *
152:             * @param parent parent element
153:             * @param name name of the child element
154:             * @return text value
155:             */
156:            public static String[] getChildElementTextArr(Element parent,
157:                    String name) {
158:                // Get all the elements
159:                List children = getChildElementsByName(parent, name);
160:
161:                String str[] = new String[children.size()];
162:
163:                for (int i = 0; i < children.size(); i++) {
164:                    Node child = (Node) children.get(i);
165:
166:                    StringBuffer buf = new StringBuffer();
167:
168:                    NodeList nodes = child.getChildNodes();
169:                    for (int j = 0; j < nodes.getLength(); j++) {
170:                        Node node = nodes.item(j);
171:                        if (node.getNodeType() == Node.TEXT_NODE
172:                                || node.getNodeType() == Node.CDATA_SECTION_NODE) {
173:                            Text text = (Text) node;
174:                            buf.append(text.getData().trim());
175:                        }
176:                    }
177:
178:                    str[i] = buf.toString();
179:                }
180:
181:                return str;
182:            }
183:
184:            /**
185:             * <p>Retutns the value of the named attribute of the given
186:             * element. If there is no such attribute, returns null.</p>
187:             *
188:             * @param element element
189:             * @param name name
190:             * @return value
191:             */
192:            public static String getAttributeValue(Element element, String name) {
193:                Attr attribute = element.getAttributeNode(name);
194:                if (attribute == null) {
195:                    return null;
196:                } else {
197:                    return attribute.getValue();
198:                }
199:            }
200:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.