KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > enhydra > apache > xerces > jaxp > SAXParserFactoryImpl


1 /*
2  * $Id: SAXParserFactoryImpl.java,v 1.2 2005/01/26 08:28:44 jkjome Exp $
3  *
4  * The Apache Software License, Version 1.1
5  *
6  *
7  * Copyright (c) 2000 The Apache Software Foundation. All rights
8  * reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  *
14  * 1. Redistributions of source code must retain the above copyright
15  * notice, this list of conditions and the following disclaimer.
16  *
17  * 2. Redistributions in binary form must reproduce the above copyright
18  * notice, this list of conditions and the following disclaimer in
19  * the documentation and/or other materials provided with the
20  * distribution.
21  *
22  * 3. The end-user documentation included with the redistribution,
23  * if any, must include the following acknowledgment:
24  * "This product includes software developed by the
25  * Apache Software Foundation (http://www.apache.org/)."
26  * Alternately, this acknowledgment may appear in the software itself,
27  * if and wherever such third-party acknowledgments normally appear.
28  *
29  * 4. The names "Xerces" and "Apache Software Foundation" must
30  * not be used to endorse or promote products derived from this
31  * software without prior written permission. For written
32  * permission, please contact apache@apache.org.
33  *
34  * 5. Products derived from this software may not be called "Apache",
35  * nor may "Apache" appear in their name, without prior written
36  * permission of the Apache Software Foundation.
37  *
38  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
39  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
40  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
41  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
42  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
44  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
45  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
46  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
47  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
48  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
49  * SUCH DAMAGE.
50  * ====================================================================
51  *
52  * This software consists of voluntary contributions made by many
53  * individuals on behalf of the Apache Software Foundation and was
54  * originally based on software copyright (c) 1999, Sun Microsystems, Inc.,
55  * http://www.sun.com. For more information on the Apache Software
56  * Foundation, please see <http://www.apache.org/>.
57  */

58
59
60 package org.enhydra.apache.xerces.jaxp;
61
62 import java.util.Hashtable JavaDoc;
63
64 import javax.xml.parsers.ParserConfigurationException JavaDoc;
65 import javax.xml.parsers.SAXParser JavaDoc;
66 import javax.xml.parsers.SAXParserFactory JavaDoc;
67
68 import org.xml.sax.SAXException JavaDoc;
69 import org.xml.sax.SAXNotRecognizedException JavaDoc;
70 import org.xml.sax.SAXNotSupportedException JavaDoc;
71
72 /**
73  * @author Rajiv Mordani
74  * @author Edwin Goei
75  * @version $Revision: 1.2 $
76  */

77
78 /**
79  * This is the implementation specific class for the
80  * <code>javax.xml.parsers.SAXParserFactory</code>. This is the platform
81  * default implementation for the platform.
82  */

83 public class SAXParserFactoryImpl extends SAXParserFactory JavaDoc {
84     private Hashtable JavaDoc features;
85
86     /**
87      * Creates a new instance of <code>SAXParser</code> using the currently
88      * configured factory parameters.
89      * @return javax.xml.parsers.SAXParser
90      */

91     public SAXParser JavaDoc newSAXParser()
92         throws ParserConfigurationException JavaDoc
93     {
94         SAXParser JavaDoc saxParserImpl;
95         try {
96             saxParserImpl = new SAXParserImpl(this, features);
97         } catch (SAXException JavaDoc se) {
98             // Translate to ParserConfigurationException
99
throw new ParserConfigurationException JavaDoc(se.getMessage());
100         }
101     return saxParserImpl;
102     }
103
104     /**
105      * Common code for translating exceptions
106      */

107     private SAXParserImpl newSAXParserImpl()
108         throws ParserConfigurationException JavaDoc, SAXNotRecognizedException JavaDoc,
109         SAXNotSupportedException JavaDoc
110     {
111         SAXParserImpl saxParserImpl;
112         try {
113             saxParserImpl = new SAXParserImpl(this, features);
114         } catch (SAXNotSupportedException JavaDoc e) {
115             throw e;
116         } catch (SAXNotRecognizedException JavaDoc e) {
117             throw e;
118         } catch (SAXException JavaDoc se) {
119             throw new ParserConfigurationException JavaDoc(se.getMessage());
120         }
121         return saxParserImpl;
122     }
123
124     /**
125      * Sets the particular feature in the underlying implementation of
126      * org.xml.sax.XMLReader.
127      */

128     public void setFeature(String JavaDoc name, boolean value)
129         throws ParserConfigurationException JavaDoc, SAXNotRecognizedException JavaDoc,
130         SAXNotSupportedException JavaDoc
131     {
132         // XXX This is ugly. We have to collect the features and then
133
// later create an XMLReader to verify the features.
134
if (features == null) {
135             features = new Hashtable JavaDoc();
136         }
137         features.put(name, new Boolean JavaDoc(value));
138
139         // Test the feature by possibly throwing SAX exceptions
140
try {
141             newSAXParserImpl();
142         } catch (SAXNotSupportedException JavaDoc e) {
143             features.remove(name);
144             throw e;
145         } catch (SAXNotRecognizedException JavaDoc e) {
146             features.remove(name);
147             throw e;
148         }
149     }
150
151     /**
152      * returns the particular property requested for in the underlying
153      * implementation of org.xml.sax.XMLReader.
154      */

155     public boolean getFeature(String JavaDoc name)
156         throws ParserConfigurationException JavaDoc, SAXNotRecognizedException JavaDoc,
157         SAXNotSupportedException JavaDoc
158     {
159         // Check for valid name by creating a dummy XMLReader to get
160
// feature value
161
return newSAXParserImpl().getXMLReader().getFeature(name);
162     }
163 }
164
Popular Tags