HTMLDomFactory


1   /*
2    * Enhydra Java Application Server Project
3    * 
4    * The contents of this file are subject to the Enhydra Public License
5    * Version 1.1 (the "License"); you may not use this file except in
6    * compliance with the License. You may obtain a copy of the License on
7    * the Enhydra web site ( http://www.enhydra.org/ ).
8    * 
9    * Software distributed under the License is distributed on an "AS IS"
10   * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See 
11   * the License for the specific terms governing rights and limitations
12   * under the License.
13   * 
14   * The Initial Developer of the Original Code is DigitalSesame
15   * Portions created by DigitalSesame are Copyright (C) 1997-2000 DigitalSesame
16   * All Rights Reserved.
17   * 
18   * Contributor(s):
19   * 
20   * $Id: HTMLDomFactory.java,v 1.3 2005/01/26 08:28:45 jkjome Exp $
21   */
22  
23  package org.enhydra.xml.xhtml;
24  
25  import org.enhydra.apache.xerces.dom.DocumentTypeImpl;
26  import org.enhydra.xml.xhtml.dom.xerces.XHTMLDOMImplementationImpl;
27  import org.enhydra.xml.xmlc.XMLCError;
28  import org.enhydra.xml.xmlc.dom.HTMLDomFactoryMethods;
29  import org.enhydra.xml.xmlc.dom.XMLCDomFactory;
30  import org.enhydra.xml.xmlc.dom.xerces.XercesDomFactory;
31  import org.w3c.dom.DOMImplementation  ;
32  import org.w3c.dom.Document  ;
33  import org.w3c.dom.DocumentType  ;
34  import org.w3c.dom.Element  ;
35  import org.w3c.dom.Node  ;
36  
37  /**
38   * XMLC DOM factory for XHTML.
39   * @see XMLCDomFactory
40   */
41  public class HTMLDomFactory extends XercesDomFactory implements XMLCDomFactory {
42      private static final String   IMPL_CLASS_SUFFIX = "Impl";
43      private static final String   XHTML_IMPLEMENTATION_DOT = "org.enhydra.xml.xhtml.dom.xerces.X";
44  
45      private static final String   XHTML_INTERFACE_DOT = "org.w3c.dom.html.";
46  
47      private java.util.HashMap   ClassNameMap = new java.util.HashMap  ();
48  
49      /*
50       * Special-case element names to interface name that can't be
51       * mapped just by changing the package.
52       */
53      private static final String  [][] CLASS_INTERFACE_MAP = {
54        // Note: the following list was auto-generated by test2 in the
55        // src/tests/org/enhydra/xml/xhtml directory, as the output file
56        // 'classes.map'
57        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLEmElementImpl", "org.w3c.dom.html.HTMLElement"},
58        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLSmallElementImpl", "org.w3c.dom.html.HTMLElement"},
59        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLNoframesElementImpl", "org.w3c.dom.html.HTMLElement"},
60        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLBdoElementImpl", "org.w3c.dom.html.HTMLElement"},
61        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLDtElementImpl", "org.w3c.dom.html.HTMLElement"},
62        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLSpanElementImpl", "org.w3c.dom.html.HTMLElement"},
63        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLStrongElementImpl", "org.w3c.dom.html.HTMLElement"},
64        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLKbdElementImpl", "org.w3c.dom.html.HTMLElement"},
65        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLDdElementImpl", "org.w3c.dom.html.HTMLElement"},
66        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLBigElementImpl", "org.w3c.dom.html.HTMLElement"},
67        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLCodeElementImpl", "org.w3c.dom.html.HTMLElement"},
68        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLTbodyElementImpl", "org.w3c.dom.html.HTMLTableSectionElement"},
69        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLTheadElementImpl", "org.w3c.dom.html.HTMLTableSectionElement"},
70        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLTfootElementImpl", "org.w3c.dom.html.HTMLTableSectionElement"},
71        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLUElementImpl", "org.w3c.dom.html.HTMLElement"},
72        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLSElementImpl", "org.w3c.dom.html.HTMLElement"},
73        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLIElementImpl", "org.w3c.dom.html.HTMLElement"},
74        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLBElementImpl", "org.w3c.dom.html.HTMLElement"},
75        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLTtElementImpl", "org.w3c.dom.html.HTMLElement"},
76        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLCenterElementImpl", "org.w3c.dom.html.HTMLElement"},
77        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLSampElementImpl", "org.w3c.dom.html.HTMLElement"},
78        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLDfnElementImpl", "org.w3c.dom.html.HTMLElement"},
79        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLNoscriptElementImpl", "org.w3c.dom.html.HTMLElement"},
80        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLSupElementImpl", "org.w3c.dom.html.HTMLElement"},
81        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLStrikeElementImpl", "org.w3c.dom.html.HTMLElement"},
82        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLAcronymElementImpl", "org.w3c.dom.html.HTMLElement"},
83        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLSubElementImpl", "org.w3c.dom.html.HTMLElement"},
84        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLCiteElementImpl", "org.w3c.dom.html.HTMLElement"},
85        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLVarElementImpl", "org.w3c.dom.html.HTMLElement"},
86        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLAbbrElementImpl", "org.w3c.dom.html.HTMLElement"},
87        {"org.enhydra.xml.xhtml.dom.xerces.XHTMLAddressElementImpl", "org.w3c.dom.html.HTMLElement"},
88      };
89  
90      /**
91       * @see XMLCDomFactory#createDocumentType
92       */
93      public DocumentType   createDocumentType(String   qualifiedName,
94                                             String   publicId,
95                                             String   systemId,
96                                             String   internalSubset) {
97          DOMImplementation   domImpl = XHTMLDOMImplementationImpl.getHTMLDOMImplementation();
98          DocumentTypeImpl docType =
99              (DocumentTypeImpl)domImpl.createDocumentType(qualifiedName, publicId, systemId);
100         docType.setInternalSubset(internalSubset);
101         return docType;
102     }
103 
104     /**
105      * @see XMLCDomFactory#createDocument
106      */
107     public Document   createDocument(String   namespaceURI,
108                                    String   qualifiedName,
109                                    DocumentType   docType) {
110         if (qualifiedName == null) {
111             throw new XMLCError("qualifiedName is null for XHTML document;"
112                                 + " maybe trying to use a HTML parser on XHTML");
113         }
114 
115     DOMImplementation   domImpl = XHTMLDOMImplementationImpl.getHTMLDOMImplementation();
116     return domImpl.createDocument(namespaceURI, qualifiedName, docType);
117     }
118 
119     /**
120      * The mime type for XHTML is a matter of debate.  There are arguments
121      * for text/xml, text/xhtml, text/html, application/xml,
122      * or application/xhtml+xml.  This returns text/html.
123      * @see XMLCDomFactory#getMIMEType
124      * @see XHTMLDomFactory#getMIMEType
125      */
126     public String   getMIMEType() {
127         //return "text/xml";
128 
129         //text/html for compatibility with non-XHTML compliant user agents.
130         //See http://www.w3.org/TR/xhtml1/#guidelines C.9
131         return "text/html";
132     }
133 
134     /**
135      * @see XMLCDomFactory#getBaseClassName
136      */
137     public String   getBaseClassName() {
138         return HTMLDomFactoryMethods.getBaseClassName();
139     }
140 
141     /**
142      * @see XMLCDomFactory#getInterfaceNames
143      */
144     public String  [] getInterfaceNames() {
145         return HTMLDomFactoryMethods.getInterfaceNames();
146     }
147 
148     /**
149      * @see XMLCDomFactory#nodeClassToInterface
150      */
151     public String   nodeClassToInterface(Node   node) {
152         String   className = node.getClass().getName();
153 
154         // Search explict class name mappings.
155         for (int idx = 0; idx < CLASS_INTERFACE_MAP.length; idx++) {
156             if (className.equals(CLASS_INTERFACE_MAP[idx][0])) {
157                 return CLASS_INTERFACE_MAP[idx][1];
158             }
159         }
160 
161     if (className.startsWith(XHTML_IMPLEMENTATION_DOT)) {
162         int suffixIdx = className.lastIndexOf(IMPL_CLASS_SUFFIX);
163         if (suffixIdx < 0) {
164         throw new XMLCError("Class \"" + className
165                     + "\" does not have suffix \"" + IMPL_CLASS_SUFFIX
166                     + "\" (maybe be mismatch between XMLC code DOM implementation)");
167         }
168             return XHTML_INTERFACE_DOT +
169                 className.substring(XHTML_IMPLEMENTATION_DOT.length(), suffixIdx);
170 
171     } else {
172             // Unable to find or translate the node implementation class to a suitable
173             // iterface, so throw an exception.
174             throw new XMLCError("Can't determine DOM interface for node of class \""
175                                 + className
176                                 + "\" (maybe be mismatch between XMLCDomFactory DOM implementation)");
177 
178         }
179     }
180 
181     /**
182      * @see XMLCDomFactory#getElementClassNames
183      */
184     public String  [] getElementClassNames(Element   element) {
185         return HTMLDomFactoryMethods.getElementClassNames(element);
186     }
187 
188     /**
189      * @see XMLCDomFactory#isURLAttribute
190      */
191     public boolean isURLAttribute(Element   element,
192                                   String   attrName) {
193         return HTMLDomFactoryMethods.isURLAttribute(element, attrName);
194     }
195 }
196
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags