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 com.sun.org.apache.xalan.internal.XalanConstants;
27 import java.io.InputStream;
28 import java.io.Reader;
29
30 import javax.xml.XMLConstants;
31 import javax.xml.parsers.ParserConfigurationException;
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.StAXSource;
42 import javax.xml.transform.stream.StreamSource;
43
44 import com.sun.org.apache.xalan.internal.utils.FactoryImpl;
45 import com.sun.org.apache.xalan.internal.utils.XMLSecurityManager;
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 try {
109 reader.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING,
110 xsltc.isSecureProcessing());
111 } catch (SAXNotRecognizedException e) {
112 XMLSecurityManager.printWarning(reader.getClass().getName(),
113 XMLConstants.FEATURE_SECURE_PROCESSING, e);
114 }
115 } catch (Exception e ) {
116 try {
117
118 //Incase there is an exception thrown
119 // resort to JAXP
120 SAXParserFactory parserFactory = FactoryImpl.getSAXFactory(xsltc.useServicesMechnism());
121 parserFactory.setNamespaceAware(true);
122
123 if (xsltc.isSecureProcessing()) {
124 try {
125 parserFactory.setFeature(
126 XMLConstants.FEATURE_SECURE_PROCESSING, true);
127 }
128 catch (org.xml.sax.SAXException se) {}
129 }
130
131 reader = parserFactory.newSAXParser()
132 .getXMLReader();
133
134
135 } catch (ParserConfigurationException pce ) {
136 throw new TransformerConfigurationException
137 ("ParserConfigurationException" ,pce);
138 }
139 }
140 }
141 reader.setFeature
142 ("http://xml.org/sax/features/namespaces",true);
143 reader.setFeature
144 ("http://xml.org/sax/features/namespace-prefixes",false);
145
146 try {
147 reader.setProperty(XMLConstants.ACCESS_EXTERNAL_DTD,
148 xsltc.getProperty(XMLConstants.ACCESS_EXTERNAL_DTD));
149 } catch (SAXNotRecognizedException e) {
150 XMLSecurityManager.printWarning(reader.getClass().getName(),
151 XMLConstants.ACCESS_EXTERNAL_DTD, e);
152 }
153
154 String lastProperty = "";
155 try {
156 XMLSecurityManager securityManager =
157 (XMLSecurityManager)xsltc.getProperty(XalanConstants.SECURITY_MANAGER);
158 if (securityManager != null) {
159 for (XMLSecurityManager.Limit limit : XMLSecurityManager.Limit.values()) {
160 lastProperty = limit.apiProperty();
161 reader.setProperty(lastProperty,
162 securityManager.getLimitValueAsString(limit));
163 }
164 if (securityManager.printEntityCountInfo()) {
165 lastProperty = XalanConstants.JDK_ENTITY_COUNT_INFO;
166 reader.setProperty(XalanConstants.JDK_ENTITY_COUNT_INFO, XalanConstants.JDK_YES);
167 }
168 }
169 } catch (SAXException se) {
170 XMLSecurityManager.printWarning(reader.getClass().getName(), lastProperty, se);
171 }
172 xsltc.setXMLReader(reader);
173 }catch (SAXNotRecognizedException snre ) {
174 throw new TransformerConfigurationException
175 ("SAXNotRecognizedException ",snre);
176 }catch (SAXNotSupportedException snse ) {
177 throw new TransformerConfigurationException
178 ("SAXNotSupportedException ",snse);
179 }catch (SAXException se ) {
180 throw new TransformerConfigurationException
181 ("SAXException ",se);
182 }
183
184 }
185 // handle DOMSource
186 else if (source instanceof DOMSource) {
187 final DOMSource domsrc = (DOMSource)source;
188 final Document dom = (Document)domsrc.getNode();
189 final DOM2SAX dom2sax = new DOM2SAX(dom);
190 xsltc.setXMLReader(dom2sax);
191
192 // Try to get SAX InputSource from DOM Source.
193 input = SAXSource.sourceToInputSource(source);
194 if (input == null){
195 input = new InputSource(domsrc.getSystemId());
196 }
197 }
198
199 // handle StAXSource
200 else if (source instanceof StAXSource) {
201 final StAXSource staxSource = (StAXSource)source;
202 StAXEvent2SAX staxevent2sax = null;
203 StAXStream2SAX staxStream2SAX = null;
204 if (staxSource.getXMLEventReader() != null) {
205 final XMLEventReader xmlEventReader = staxSource.getXMLEventReader();
206 staxevent2sax = new StAXEvent2SAX(xmlEventReader);
207 xsltc.setXMLReader(staxevent2sax);
208 } else if (staxSource.getXMLStreamReader() != null) {
209 final XMLStreamReader xmlStreamReader = staxSource.getXMLStreamReader();
210 staxStream2SAX = new StAXStream2SAX(xmlStreamReader);
211 xsltc.setXMLReader(staxStream2SAX);
212 }
213
214 // get sax InputSource from StAXSource
215 input = SAXSource.sourceToInputSource(source);
216 if (input == null){
217 input = new InputSource(staxSource.getSystemId());
218 }
219 }
220
221 // Try to get InputStream or Reader from StreamSource
222 else if (source instanceof StreamSource) {
223 final StreamSource stream = (StreamSource)source;
224 final InputStream istream = stream.getInputStream();
225 final Reader reader = stream.getReader();
226 xsltc.setXMLReader(null); // Clear old XML reader
227
228 // Create InputSource from Reader or InputStream in Source
229 if (istream != null) {
230 input = new InputSource(istream);
231 }
232 else if (reader != null) {
233 input = new InputSource(reader);
234 }
235 else {
236 input = new InputSource(systemId);
237 }
238 }
239 else {
240 ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_UNKNOWN_SOURCE_ERR);
241 throw new TransformerConfigurationException(err.toString());
242 }
243 input.setSystemId(systemId);
244 }
245 catch (NullPointerException e) {
246 ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_NO_SOURCE_ERR,
247 "TransformerFactory.newTemplates()");
248 throw new TransformerConfigurationException(err.toString());
249 }
250 catch (SecurityException e) {
251 ErrorMsg err = new ErrorMsg(ErrorMsg.FILE_ACCESS_ERR, systemId);
252 throw new TransformerConfigurationException(err.toString());
253 }
254 return input;
255 }
256
257 }