1 /*
2 * reserved comment block
3 * DO NOT REMOVE OR ALTER!
4 */
5 /*
6 * Copyright 2001-2004 The Apache Software Foundation.
7 *
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20 /*
21 * $Id: Util.java,v 1.2.4.1 2005/09/14 09:37:34 pvedula Exp $
22 */
23
24 package com.sun.org.apache.xalan.internal.xsltc.trax;
25
26 import java.io.InputStream;
27 import java.io.Reader;
28
29 import javax.xml.XMLConstants;
30 import javax.xml.parsers.ParserConfigurationException;
31 import javax.xml.parsers.SAXParser;
32 import javax.xml.parsers.SAXParserFactory;
33
34 import javax.xml.stream.XMLEventReader;
35 import javax.xml.stream.XMLStreamReader;
36
37 import javax.xml.transform.Source;
38 import javax.xml.transform.TransformerConfigurationException;
39 import javax.xml.transform.dom.DOMSource;
40 import javax.xml.transform.sax.SAXSource;
41 import javax.xml.transform.stax.StAXResult;
42 import javax.xml.transform.stax.StAXSource;
43 import javax.xml.transform.stream.StreamSource;
44
45 import com.sun.org.apache.xalan.internal.utils.FactoryImpl;
46 import com.sun.org.apache.xalan.internal.xsltc.compiler.XSLTC;
47 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ErrorMsg;
48
49 import org.w3c.dom.Document;
50
51 import org.xml.sax.InputSource;
52 import org.xml.sax.SAXException;
53 import org.xml.sax.SAXNotRecognizedException;
54 import org.xml.sax.SAXNotSupportedException;
55 import org.xml.sax.XMLReader;
56 import org.xml.sax.helpers.XMLReaderFactory;
57
58 /**
59 * @author Santiago Pericas-Geertsen
60 */
61 public final class Util {
62
63 public static String baseName(String name) {
64 return com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util.baseName(name);
65 }
66
67 public static String noExtName(String name) {
68 return com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util.noExtName(name);
69 }
70
71 public static String toJavaName(String name) {
72 return com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util.toJavaName(name);
73 }
74
75
76
77
78 /**
79 * Creates a SAX2 InputSource object from a TrAX Source object
80 */
81 public static InputSource getInputSource(XSLTC xsltc, Source source)
82 throws TransformerConfigurationException
83 {
84 InputSource input = null;
85
86 String systemId = source.getSystemId();
87
88 try {
89 // Try to get InputSource from SAXSource input
90 if (source instanceof SAXSource) {
91 final SAXSource sax = (SAXSource)source;
92 input = sax.getInputSource();
93 // Pass the SAX parser to the compiler
94 try {
95 XMLReader reader = sax.getXMLReader();
96
97 /*
98 * Fix for bug 24695
99 * According to JAXP 1.2 specification if a SAXSource
100 * is created using a SAX InputSource the Transformer or
101 * TransformerFactory creates a reader via the
102 * XMLReaderFactory if setXMLReader is not used
103 */
104
105 if (reader == null) {
106 try {
107 reader= XMLReaderFactory.createXMLReader();
108 reader.setProperty(XMLConstants.ACCESS_EXTERNAL_DTD,
109 xsltc.getProperty(XMLConstants.ACCESS_EXTERNAL_DTD));
110 } catch (Exception e ) {
111 try {
112
113 //Incase there is an exception thrown
114 // resort to JAXP
115 SAXParserFactory parserFactory = FactoryImpl.getSAXFactory(xsltc.useServicesMechnism());
116 parserFactory.setNamespaceAware(true);
117
118 if (xsltc.isSecureProcessing()) {
119 try {
120 parserFactory.setFeature(
121 XMLConstants.FEATURE_SECURE_PROCESSING, true);
122 }
123 catch (org.xml.sax.SAXException se) {}
124 }
125
126 reader = parserFactory.newSAXParser()
127 .getXMLReader();
128
129
130 } catch (ParserConfigurationException pce ) {
131 throw new TransformerConfigurationException
132 ("ParserConfigurationException" ,pce);
133 }
134 }
135 }
136 reader.setFeature
137 ("http://xml.org/sax/features/namespaces",true);
138 reader.setFeature
139 ("http://xml.org/sax/features/namespace-prefixes",false);
140
141 xsltc.setXMLReader(reader);
142 }catch (SAXNotRecognizedException snre ) {
143 throw new TransformerConfigurationException
144 ("SAXNotRecognizedException ",snre);
145 }catch (SAXNotSupportedException snse ) {
146 throw new TransformerConfigurationException
147 ("SAXNotSupportedException ",snse);
148 }catch (SAXException se ) {
149 throw new TransformerConfigurationException
150 ("SAXException ",se);
151 }
152
153 }
154 // handle DOMSource
155 else if (source instanceof DOMSource) {
156 final DOMSource domsrc = (DOMSource)source;
157 final Document dom = (Document)domsrc.getNode();
158 final DOM2SAX dom2sax = new DOM2SAX(dom);
159 xsltc.setXMLReader(dom2sax);
160
161 // Try to get SAX InputSource from DOM Source.
162 input = SAXSource.sourceToInputSource(source);
163 if (input == null){
164 input = new InputSource(domsrc.getSystemId());
165 }
166 }
167
168 // handle StAXSource
169 else if (source instanceof StAXSource) {
170 final StAXSource staxSource = (StAXSource)source;
171 StAXEvent2SAX staxevent2sax = null;
172 StAXStream2SAX staxStream2SAX = null;
173 if (staxSource.getXMLEventReader() != null) {
174 final XMLEventReader xmlEventReader = staxSource.getXMLEventReader();
175 staxevent2sax = new StAXEvent2SAX(xmlEventReader);
176 xsltc.setXMLReader(staxevent2sax);
177 } else if (staxSource.getXMLStreamReader() != null) {
178 final XMLStreamReader xmlStreamReader = staxSource.getXMLStreamReader();
179 staxStream2SAX = new StAXStream2SAX(xmlStreamReader);
180 xsltc.setXMLReader(staxStream2SAX);
181 }
182
183 // get sax InputSource from StAXSource
184 input = SAXSource.sourceToInputSource(source);
185 if (input == null){
186 input = new InputSource(staxSource.getSystemId());
187 }
188 }
189
190 // Try to get InputStream or Reader from StreamSource
191 else if (source instanceof StreamSource) {
192 final StreamSource stream = (StreamSource)source;
193 final InputStream istream = stream.getInputStream();
194 final Reader reader = stream.getReader();
195 xsltc.setXMLReader(null); // Clear old XML reader
196
197 // Create InputSource from Reader or InputStream in Source
198 if (istream != null) {
199 input = new InputSource(istream);
200 }
201 else if (reader != null) {
202 input = new InputSource(reader);
203 }
204 else {
205 input = new InputSource(systemId);
206 }
207 }
208 else {
209 ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_UNKNOWN_SOURCE_ERR);
210 throw new TransformerConfigurationException(err.toString());
211 }
212 input.setSystemId(systemId);
213 }
214 catch (NullPointerException e) {
215 ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_NO_SOURCE_ERR,
216 "TransformerFactory.newTemplates()");
217 throw new TransformerConfigurationException(err.toString());
218 }
219 catch (SecurityException e) {
220 ErrorMsg err = new ErrorMsg(ErrorMsg.FILE_ACCESS_ERR, systemId);
221 throw new TransformerConfigurationException(err.toString());
222 }
223 return input;
224 }
225
226 }