001: /*
002: * $Id: SAXParserFactoryImpl.java,v 1.5 2001/03/30 23:24:10 edwingo Exp $
003: *
004: * The Apache Software License, Version 1.1
005: *
006: *
007: * Copyright (c) 2000 The Apache Software Foundation. All rights
008: * reserved.
009: *
010: * Redistribution and use in source and binary forms, with or without
011: * modification, are permitted provided that the following conditions
012: * are met:
013: *
014: * 1. Redistributions of source code must retain the above copyright
015: * notice, this list of conditions and the following disclaimer.
016: *
017: * 2. Redistributions in binary form must reproduce the above copyright
018: * notice, this list of conditions and the following disclaimer in
019: * the documentation and/or other materials provided with the
020: * distribution.
021: *
022: * 3. The end-user documentation included with the redistribution,
023: * if any, must include the following acknowledgment:
024: * "This product includes software developed by the
025: * Apache Software Foundation (http://www.apache.org/)."
026: * Alternately, this acknowledgment may appear in the software itself,
027: * if and wherever such third-party acknowledgments normally appear.
028: *
029: * 4. The names "Xerces" and "Apache Software Foundation" must
030: * not be used to endorse or promote products derived from this
031: * software without prior written permission. For written
032: * permission, please contact apache@apache.org.
033: *
034: * 5. Products derived from this software may not be called "Apache",
035: * nor may "Apache" appear in their name, without prior written
036: * permission of the Apache Software Foundation.
037: *
038: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
039: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
040: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
041: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
042: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
043: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
044: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
045: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
046: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
047: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
048: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
049: * SUCH DAMAGE.
050: * ====================================================================
051: *
052: * This software consists of voluntary contributions made by many
053: * individuals on behalf of the Apache Software Foundation and was
054: * originally based on software copyright (c) 1999, Sun Microsystems, Inc.,
055: * http://www.sun.com. For more information on the Apache Software
056: * Foundation, please see <http://www.apache.org/>.
057: */
058:
059: package org.apache.xerces.jaxp;
060:
061: import javax.xml.parsers.SAXParserFactory;
062: import javax.xml.parsers.SAXParser;
063: import javax.xml.parsers.ParserConfigurationException;
064: import org.xml.sax.SAXException;
065: import org.xml.sax.SAXNotRecognizedException;
066: import org.xml.sax.SAXNotSupportedException;
067: import org.xml.sax.XMLReader;
068:
069: import java.util.Hashtable;
070:
071: /**
072: * @author Rajiv Mordani
073: * @author Edwin Goei
074: * @version $Revision: 1.5 $
075: */
076:
077: /**
078: * This is the implementation specific class for the
079: * <code>javax.xml.parsers.SAXParserFactory</code>. This is the platform
080: * default implementation for the platform.
081: */
082: public class SAXParserFactoryImpl extends SAXParserFactory {
083: private Hashtable features;
084:
085: /**
086: * Creates a new instance of <code>SAXParser</code> using the currently
087: * configured factory parameters.
088: * @return javax.xml.parsers.SAXParser
089: */
090: public SAXParser newSAXParser() throws ParserConfigurationException {
091: SAXParser saxParserImpl;
092: try {
093: saxParserImpl = new SAXParserImpl(this , features);
094: } catch (SAXException se) {
095: // Translate to ParserConfigurationException
096: throw new ParserConfigurationException(se.getMessage());
097: }
098: return saxParserImpl;
099: }
100:
101: /**
102: * Common code for translating exceptions
103: */
104: private SAXParserImpl newSAXParserImpl()
105: throws ParserConfigurationException,
106: SAXNotRecognizedException, SAXNotSupportedException {
107: SAXParserImpl saxParserImpl;
108: try {
109: saxParserImpl = new SAXParserImpl(this , features);
110: } catch (SAXNotSupportedException e) {
111: throw e;
112: } catch (SAXNotRecognizedException e) {
113: throw e;
114: } catch (SAXException se) {
115: throw new ParserConfigurationException(se.getMessage());
116: }
117: return saxParserImpl;
118: }
119:
120: /**
121: * Sets the particular feature in the underlying implementation of
122: * org.xml.sax.XMLReader.
123: */
124: public void setFeature(String name, boolean value)
125: throws ParserConfigurationException,
126: SAXNotRecognizedException, SAXNotSupportedException {
127: // XXX This is ugly. We have to collect the features and then
128: // later create an XMLReader to verify the features.
129: if (features == null) {
130: features = new Hashtable();
131: }
132: features.put(name, new Boolean(value));
133:
134: // Test the feature by possibly throwing SAX exceptions
135: try {
136: newSAXParserImpl();
137: } catch (SAXNotSupportedException e) {
138: features.remove(name);
139: throw e;
140: } catch (SAXNotRecognizedException e) {
141: features.remove(name);
142: throw e;
143: }
144: }
145:
146: /**
147: * returns the particular property requested for in the underlying
148: * implementation of org.xml.sax.XMLReader.
149: */
150: public boolean getFeature(String name)
151: throws ParserConfigurationException,
152: SAXNotRecognizedException, SAXNotSupportedException {
153: // Check for valid name by creating a dummy XMLReader to get
154: // feature value
155: return newSAXParserImpl().getXMLReader().getFeature(name);
156: }
157: }
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