111 // If the cached reader for this thread is in use, construct a new
112 // one; otherwise, return the cached reader unless it isn't an
113 // instance of the class set in the 'org.xml.sax.driver' property
114 reader = (XMLReader) m_readers.get();
115 boolean threadHasReader = (reader != null);
116 String factory = SecuritySupport.getSystemProperty(property);
117 if (threadHasReader && m_inUse.get(reader) != Boolean.TRUE &&
118 ( factory == null || reader.getClass().getName().equals(factory))) {
119 m_inUse.put(reader, Boolean.TRUE);
120 } else {
121 try {
122 try {
123 // According to JAXP 1.2 specification, if a SAXSource
124 // is created using a SAX InputSource the Transformer or
125 // TransformerFactory creates a reader via the
126 // XMLReaderFactory if setXMLReader is not used
127 reader = XMLReaderFactory.createXMLReader();
128 try {
129 reader.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, _secureProcessing);
130 } catch (SAXNotRecognizedException e) {
131 System.err.println("Warning: " + reader.getClass().getName() + ": "
132 + e.getMessage());
133 }
134 } catch (Exception e) {
135 try {
136 // If unable to create an instance, let's try to use
137 // the XMLReader from JAXP
138 if (m_parserFactory == null) {
139 m_parserFactory = FactoryImpl.getSAXFactory(m_useServicesMechanism);
140 m_parserFactory.setNamespaceAware(true);
141 }
142
143 reader = m_parserFactory.newSAXParser().getXMLReader();
144 } catch (ParserConfigurationException pce) {
145 throw pce; // pass along pce
146 }
147 }
148 try {
149 reader.setFeature(NAMESPACES_FEATURE, true);
150 reader.setFeature(NAMESPACE_PREFIXES_FEATURE, false);
151 } catch (SAXException se) {
152 // Try to carry on if we've got a parser that
155 } catch (ParserConfigurationException ex) {
156 throw new SAXException(ex);
157 } catch (FactoryConfigurationError ex1) {
158 throw new SAXException(ex1.toString());
159 } catch (NoSuchMethodError ex2) {
160 } catch (AbstractMethodError ame) {
161 }
162
163 // Cache the XMLReader if this is the first time we've created
164 // a reader for this thread.
165 if (!threadHasReader) {
166 m_readers.set(reader);
167 m_inUse.put(reader, Boolean.TRUE);
168 }
169 }
170
171 try {
172 //reader is cached, but this property might have been reset
173 reader.setProperty(XMLConstants.ACCESS_EXTERNAL_DTD, _accessExternalDTD);
174 } catch (SAXException se) {
175 System.err.println("Warning: " + reader.getClass().getName() + ": "
176 + se.getMessage());
177 }
178
179 try {
180 if (_xmlSecurityManager != null) {
181 for (XMLSecurityManager.Limit limit : XMLSecurityManager.Limit.values()) {
182 reader.setProperty(limit.apiProperty(),
183 _xmlSecurityManager.getLimitValueAsString(limit));
184 }
185 if (_xmlSecurityManager.printEntityCountInfo()) {
186 reader.setProperty(XalanConstants.JDK_ENTITY_COUNT_INFO, XalanConstants.JDK_YES);
187 }
188 }
189 } catch (SAXException se) {
190 System.err.println("Warning: " + reader.getClass().getName() + ": "
191 + se.getMessage());
192 }
193
194 return reader;
195 }
196
197 /**
198 * Mark the cached XMLReader as available. If the reader was not
199 * actually in the cache, do nothing.
200 *
201 * @param reader The XMLReader that's being released.
202 */
203 public synchronized void releaseXMLReader(XMLReader reader) {
204 // If the reader that's being released is the cached reader
205 // for this thread, remove it from the m_isUse list.
206 if (m_readers.get() == reader && reader != null) {
207 m_inUse.remove(reader);
208 }
209 }
210 /**
211 * Return the state of the services mechanism feature.
|
111 // If the cached reader for this thread is in use, construct a new
112 // one; otherwise, return the cached reader unless it isn't an
113 // instance of the class set in the 'org.xml.sax.driver' property
114 reader = (XMLReader) m_readers.get();
115 boolean threadHasReader = (reader != null);
116 String factory = SecuritySupport.getSystemProperty(property);
117 if (threadHasReader && m_inUse.get(reader) != Boolean.TRUE &&
118 ( factory == null || reader.getClass().getName().equals(factory))) {
119 m_inUse.put(reader, Boolean.TRUE);
120 } else {
121 try {
122 try {
123 // According to JAXP 1.2 specification, if a SAXSource
124 // is created using a SAX InputSource the Transformer or
125 // TransformerFactory creates a reader via the
126 // XMLReaderFactory if setXMLReader is not used
127 reader = XMLReaderFactory.createXMLReader();
128 try {
129 reader.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, _secureProcessing);
130 } catch (SAXNotRecognizedException e) {
131 XMLSecurityManager.printWarning(reader.getClass().getName(),
132 XMLConstants.FEATURE_SECURE_PROCESSING, e);
133 }
134 } catch (Exception e) {
135 try {
136 // If unable to create an instance, let's try to use
137 // the XMLReader from JAXP
138 if (m_parserFactory == null) {
139 m_parserFactory = FactoryImpl.getSAXFactory(m_useServicesMechanism);
140 m_parserFactory.setNamespaceAware(true);
141 }
142
143 reader = m_parserFactory.newSAXParser().getXMLReader();
144 } catch (ParserConfigurationException pce) {
145 throw pce; // pass along pce
146 }
147 }
148 try {
149 reader.setFeature(NAMESPACES_FEATURE, true);
150 reader.setFeature(NAMESPACE_PREFIXES_FEATURE, false);
151 } catch (SAXException se) {
152 // Try to carry on if we've got a parser that
155 } catch (ParserConfigurationException ex) {
156 throw new SAXException(ex);
157 } catch (FactoryConfigurationError ex1) {
158 throw new SAXException(ex1.toString());
159 } catch (NoSuchMethodError ex2) {
160 } catch (AbstractMethodError ame) {
161 }
162
163 // Cache the XMLReader if this is the first time we've created
164 // a reader for this thread.
165 if (!threadHasReader) {
166 m_readers.set(reader);
167 m_inUse.put(reader, Boolean.TRUE);
168 }
169 }
170
171 try {
172 //reader is cached, but this property might have been reset
173 reader.setProperty(XMLConstants.ACCESS_EXTERNAL_DTD, _accessExternalDTD);
174 } catch (SAXException se) {
175 XMLSecurityManager.printWarning(reader.getClass().getName(),
176 XMLConstants.ACCESS_EXTERNAL_DTD, se);
177 }
178
179 String lastProperty = "";
180 try {
181 if (_xmlSecurityManager != null) {
182 for (XMLSecurityManager.Limit limit : XMLSecurityManager.Limit.values()) {
183 lastProperty = limit.apiProperty();
184 reader.setProperty(lastProperty,
185 _xmlSecurityManager.getLimitValueAsString(limit));
186 }
187 if (_xmlSecurityManager.printEntityCountInfo()) {
188 lastProperty = XalanConstants.JDK_ENTITY_COUNT_INFO;
189 reader.setProperty(XalanConstants.JDK_ENTITY_COUNT_INFO, XalanConstants.JDK_YES);
190 }
191 }
192 } catch (SAXException se) {
193 XMLSecurityManager.printWarning(reader.getClass().getName(), lastProperty, se);
194 }
195
196 return reader;
197 }
198
199 /**
200 * Mark the cached XMLReader as available. If the reader was not
201 * actually in the cache, do nothing.
202 *
203 * @param reader The XMLReader that's being released.
204 */
205 public synchronized void releaseXMLReader(XMLReader reader) {
206 // If the reader that's being released is the cached reader
207 // for this thread, remove it from the m_isUse list.
208 if (m_readers.get() == reader && reader != null) {
209 m_inUse.remove(reader);
210 }
211 }
212 /**
213 * Return the state of the services mechanism feature.
|