2 Copyright (C) 2001 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
40 import java.io.IOException;
42 import org.w3c.dom.Document;
43 import org.w3c.dom.DocumentType;
44 import org.w3c.dom.DOMImplementation;
46 import org.xml.sax.EntityResolver;
47 import org.xml.sax.ErrorHandler;
48 import org.xml.sax.InputSource;
49 import org.xml.sax.XMLReader;
50 import org.xml.sax.SAXException;
51 import org.xml.sax.SAXParseException;
53 import javax.xml.parsers.DocumentBuilder;
54 import javax.xml.parsers.DocumentBuilderFactory;
55 import javax.xml.parsers.ParserConfigurationException;
56 import javax.xml.parsers.SAXParserFactory;
60 * DOM bootstrapping API, for use with JAXP.
64 * @author David Brownell
66 public final class JAXPFactory
67 extends DocumentBuilderFactory
70 private static final String PROPERTY = "http://xml.org/sax/properties/";
71 private static final String FEATURE = "http://xml.org/sax/features/";
73 private SAXParserFactory pf;
76 * Default constructor.
83 * Constructs a JAXP document builder which uses the default
84 * JAXP SAX2 parser and the DOM implementation in this package.
86 public DocumentBuilder newDocumentBuilder()
87 throws ParserConfigurationException
91 // Force use of AElfred2 since not all JAXP parsers
92 // conform very well to the SAX2 API spec ...
93 pf = new gnu.xml.aelfred2.JAXPFactory();
94 // pf = SAXParserFactory.newInstance ();
97 // JAXP default: false
98 pf.setValidating(isValidating());
100 // FIXME: this namespace setup may cause errors in some
101 // conformant SAX2 parsers, which we CAN patch up by
102 // splicing a "NSFilter" stage up front ...
104 // JAXP default: false
105 pf.setNamespaceAware(isNamespaceAware());
109 // undo rude "namespace-prefixes=false" default
110 pf.setFeature(FEATURE + "namespace-prefixes", true);
112 return new JAXPBuilder(pf.newSAXParser().getXMLReader(), this);
114 catch (SAXException e)
116 String msg = "can't create JAXP DocumentBuilder: " + e.getMessage();
117 throw new ParserConfigurationException(msg);
121 /** There seems to be no useful specification for attribute names */
122 public void setAttribute(String name, Object value)
123 throws IllegalArgumentException
125 if ("http://java.sun.com/xml/jaxp/properties/schemaLanguage".equals(name))
131 throw new IllegalArgumentException(name);
135 /** There seems to be no useful specification for attribute names */
136 public Object getAttribute(String name)
137 throws IllegalArgumentException
139 throw new IllegalArgumentException(name);
142 static final class JAXPBuilder
143 extends DocumentBuilder
144 implements ErrorHandler
147 private Consumer consumer;
148 private XMLReader producer;
149 private DomImpl impl;
151 JAXPBuilder(XMLReader parser, JAXPFactory factory)
152 throws ParserConfigurationException
154 impl = new DomImpl();
156 // set up consumer side
159 consumer = new Consumer();
161 catch (SAXException e)
163 throw new ParserConfigurationException(e.getMessage());
166 // JAXP defaults: true, noise nodes are good (bleech)
167 consumer.setHidingReferences(factory.isExpandEntityReferences());
168 consumer.setHidingComments(factory.isIgnoringComments());
169 consumer.setHidingWhitespace(factory.isIgnoringElementContentWhitespace());
170 consumer.setHidingCDATA(factory.isCoalescing());
172 // set up producer side
174 producer.setContentHandler(consumer.getContentHandler());
175 producer.setDTDHandler(consumer.getDTDHandler());
181 // if validating, report validity errors, and default
182 // to treating them as fatal
183 if (factory.isValidating ())
185 producer.setFeature(FEATURE + "validation", true);
186 producer.setErrorHandler(this);
189 // always save prefix info, maybe do namespace processing
190 producer.setFeature(FEATURE + "namespace-prefixes", true);
191 producer.setFeature(FEATURE + "namespaces",
192 factory.isNamespaceAware());
194 // set important handlers
195 id = PROPERTY + "lexical-handler";
196 producer.setProperty(id, consumer.getProperty(id));
198 id = PROPERTY + "declaration-handler";
199 producer.setProperty(id, consumer.getProperty(id));
202 catch (SAXException e)
204 throw new ParserConfigurationException(e.getMessage());
208 public Document parse(InputSource source)
209 throws SAXException, IOException
211 producer.parse(source);
212 Document doc = consumer.getDocument();
213 // TODO inputEncoding
214 doc.setDocumentURI(source.getSystemId());
218 public boolean isNamespaceAware()
222 return producer.getFeature(FEATURE + "namespaces");
224 catch (SAXException e)
227 throw new RuntimeException(e.getMessage());
231 public boolean isValidating()
235 return producer.getFeature(FEATURE + "validation");
237 catch (SAXException e)
240 throw new RuntimeException(e.getMessage());
244 public void setEntityResolver(EntityResolver resolver)
246 producer.setEntityResolver(resolver);
249 public void setErrorHandler(ErrorHandler handler)
251 producer.setErrorHandler(handler);
252 consumer.setErrorHandler(handler);
255 public DOMImplementation getDOMImplementation()
260 public Document newDocument()
262 return new DomDocument();
265 // implementation of error handler that's used when validating
266 public void fatalError(SAXParseException e)
272 public void error(SAXParseException e)
278 public void warning(SAXParseException e)