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1   /*
2    * Copyright 2001-2004 (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    * $Id: DatatypeElementFactory.java,v 1.7 2004/06/25 08:03:34 maartenc Exp $
8    */
9   
10  package org.dom4j.datatype;
11  
12  import com.sun.msv.datatype.xsd.XSDatatype;
13  
14  import java.util.HashMap;
15  import java.util.Map;
16  
17  import org.dom4j.Attribute;
18  import org.dom4j.DocumentFactory;
19  import org.dom4j.Element;
20  import org.dom4j.QName;
21  
22  /*** <p><code>DatatypeElementFactory</code> is a factory for a specific Element
23   * in an XML Schema.</p>
24   *
25   * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
26   * @author Yuxin Ruan
27   * @version $Revision: 1.7 $
28   */
29  public class DatatypeElementFactory extends DocumentFactory {
30      
31      private QName elementQName;
32      
33      
34      public DatatypeElementFactory(QName elementQName) {
35          this.elementQName = elementQName;
36      }
37      
38      /*** Cache of <code>XSDatatype</code> instances per
39       * Attribute <code>QName</code> */
40      private Map attributeXSDatatypes = new HashMap();
41      
42      /*** Cache of <code>XSDatatype</code> instances per
43       * child Element <code>QName</code> */
44      private Map childrenXSDatatypes = new HashMap();
45      
46      
47      
48      /*** @return the QName this element factory is associated with */
49      public QName getQName() {
50          return elementQName;
51      }
52      
53      /*** @return the <code>XSDatatype</code> associated with the given Attribute
54       * QName
55       */
56      public XSDatatype getAttributeXSDatatype( QName attributeQName ) {
57          return (XSDatatype) attributeXSDatatypes.get( attributeQName );
58      }
59      
60      /*** Registers the given <code>XSDatatype</code> for the given
61       * &lt;attribute&gt; QNames
62       */
63      public void setAttributeXSDatatype( QName attributeQName, XSDatatype dataType ) {
64          attributeXSDatatypes.put( attributeQName, dataType );
65      }
66      
67      
68      /*** @return the <code>XSDatatype</code> associated with the given child
69       * Element QName
70       */
71      public XSDatatype getChildElementXSDatatype( QName qname ) {
72          return (XSDatatype) childrenXSDatatypes.get( qname );
73      }
74      
75      public void setChildElementXSDatatype( QName qname, XSDatatype dataType ) {
76          childrenXSDatatypes.put( qname, dataType );
77      }
78      
79      
80      // DocumentFactory methods
81      //-------------------------------------------------------------------------
82      public Element createElement(QName qname) {
83          //the element may have its own element factory!
84          //use factory from the qname for datatype
85          XSDatatype dataType = getChildElementXSDatatype( qname );
86          if ( dataType != null ) {
87              return new DatatypeElement(qname, dataType);
88          }
89          DocumentFactory documentFactory = qname.getDocumentFactory();
90          if ( documentFactory instanceof DatatypeElementFactory ) {
91              DatatypeElementFactory factory = (DatatypeElementFactory) documentFactory;
92              dataType = factory.getChildElementXSDatatype( qname );
93              if ( dataType != null ) {
94                  return new DatatypeElement(qname, dataType);
95              }
96          }
97          return super.createElement( qname );
98      }
99      
100     public Attribute createAttribute(Element owner, QName qname, String value) {
101         XSDatatype dataType = getAttributeXSDatatype(qname);
102         if ( dataType == null ) {
103             return super.createAttribute( owner, qname, value );
104         }
105         else {
106             return new DatatypeAttribute( qname, dataType, value );
107         }
108     }
109 }
110 
111 
112 
113 
114 /*
115  * Redistribution and use of this software and associated documentation
116  * ("Software"), with or without modification, are permitted provided
117  * that the following conditions are met:
118  *
119  * 1. Redistributions of source code must retain copyright
120  *    statements and notices.  Redistributions must also contain a
121  *    copy of this document.
122  *
123  * 2. Redistributions in binary form must reproduce the
124  *    above copyright notice, this list of conditions and the
125  *    following disclaimer in the documentation and/or other
126  *    materials provided with the distribution.
127  *
128  * 3. The name "DOM4J" must not be used to endorse or promote
129  *    products derived from this Software without prior written
130  *    permission of MetaStuff, Ltd.  For written permission,
131  *    please contact dom4j-info@metastuff.com.
132  *
133  * 4. Products derived from this Software may not be called "DOM4J"
134  *    nor may "DOM4J" appear in their names without prior written
135  *    permission of MetaStuff, Ltd. DOM4J is a registered
136  *    trademark of MetaStuff, Ltd.
137  *
138  * 5. Due credit should be given to the DOM4J Project - 
139  *    http://www.dom4j.org
140  *
141  * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS
142  * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
143  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
144  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
145  * METASTUFF, LTD. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
146  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
147  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
148  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
149  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
150  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
151  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
152  * OF THE POSSIBILITY OF SUCH DAMAGE.
153  *
154  * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved.
155  *
156  * $Id: DatatypeElementFactory.java,v 1.7 2004/06/25 08:03:34 maartenc Exp $
157  */