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1
16
17 package com.sun.org.apache.xerces.internal.jaxp.validation;
18
19 import java.lang.ref.SoftReference  ;
20 import java.util.Locale ;
21 import java.io.IOException ;
22
23 import javax.xml.transform.Result ;
24 import javax.xml.transform.Source ;
25 import javax.xml.transform.sax.SAXTransformerFactory ;
26 import javax.xml.transform.sax.TransformerHandler ;
27 import javax.xml.transform.stream.StreamSource ;
28 import javax.xml.transform.stream.StreamResult ;
29 import javax.xml.transform.TransformerConfigurationException ;
30 import javax.xml.transform.TransformerException ;
31 import javax.xml.transform.TransformerFactoryConfigurationError ;
32
33 import com.sun.org.apache.xerces.internal.impl.Constants;
34 import com.sun.org.apache.xerces.internal.impl.XMLErrorReporter;
35 import com.sun.org.apache.xerces.internal.impl.msg.XMLMessageFormatter;
36 import com.sun.org.apache.xerces.internal.parsers.XML11Configuration;
37 import com.sun.org.apache.xerces.internal.xni.XNIException;
38 import com.sun.org.apache.xerces.internal.xni.parser.XMLInputSource;
39 import com.sun.org.apache.xerces.internal.xni.parser.XMLParseException;
40 import com.sun.org.apache.xerces.internal.xni.parser.XMLParserConfiguration;
41 import org.xml.sax.SAXException ;
42
43
50 final class StreamValidatorHelper implements ValidatorHelper {
51
52
54
55 private static final String PARSER_SETTINGS =
56 Constants.XERCES_FEATURE_PREFIX + Constants.PARSER_SETTINGS;
57
58
60
61 private static final String ENTITY_RESOLVER =
62 Constants.XERCES_PROPERTY_PREFIX + Constants.ENTITY_RESOLVER_PROPERTY;
63
64
65 private static final String ERROR_HANDLER =
66 Constants.XERCES_PROPERTY_PREFIX + Constants.ERROR_HANDLER_PROPERTY;
67
68
69 private static final String ERROR_REPORTER =
70 Constants.XERCES_PROPERTY_PREFIX + Constants.ERROR_REPORTER_PROPERTY;
71
72
73 private static final String SCHEMA_VALIDATOR =
74 Constants.XERCES_PROPERTY_PREFIX + Constants.SCHEMA_VALIDATOR_PROPERTY;
75
76
77 private static final String SYMBOL_TABLE =
78 Constants.XERCES_PROPERTY_PREFIX + Constants.SYMBOL_TABLE_PROPERTY;
79
80
81 private static final String VALIDATION_MANAGER =
82 Constants.XERCES_PROPERTY_PREFIX + Constants.VALIDATION_MANAGER_PROPERTY;
83
84
88
89 private SoftReference fConfiguration = new SoftReference (null);
90
91
92 private com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator fSchemaValidator;
93
94
95 private XMLSchemaValidatorComponentManager fComponentManager;
96
97 private ValidatorHandlerImpl handler = null;
98
99 public StreamValidatorHelper(XMLSchemaValidatorComponentManager componentManager) {
100 fComponentManager = componentManager;
101 fSchemaValidator = (com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator) fComponentManager.getProperty(SCHEMA_VALIDATOR);
102 }
103
104 public void validate(Source source, Result result)
105 throws SAXException , IOException {
106 if (result == null || result instanceof StreamResult ) {
107 final StreamSource streamSource = (StreamSource ) source;
108 TransformerHandler identityTransformerHandler ;
109
110 if( result!=null ) {
111 try {
112 SAXTransformerFactory tf = (SAXTransformerFactory )SAXTransformerFactory.newInstance();
113 identityTransformerHandler = tf.newTransformerHandler();
114 } catch (TransformerConfigurationException e) {
115 throw new TransformerFactoryConfigurationError (e);
116 }
117
118 handler = new ValidatorHandlerImpl(fComponentManager);
119 handler.setContentHandler(identityTransformerHandler);
120 identityTransformerHandler.setResult(result);
121 }
122
123 XMLInputSource input = new XMLInputSource(streamSource.getPublicId(), streamSource.getSystemId(), null);
124 input.setByteStream(streamSource.getInputStream());
125 input.setCharacterStream(streamSource.getReader());
126
127 XMLParserConfiguration config = (XMLParserConfiguration) fConfiguration.get();
130 if (config == null) {
131 config = initialize();
132 }
133 else if (fComponentManager.getFeature(PARSER_SETTINGS)) {
135 config.setProperty(ENTITY_RESOLVER, fComponentManager.getProperty(ENTITY_RESOLVER));
136 config.setProperty(ERROR_HANDLER, fComponentManager.getProperty(ERROR_HANDLER));
137 }
138
139 fComponentManager.reset();
141 fSchemaValidator.setDocumentHandler(handler);
142
143 try {
144 config.parse(input);
145 }
146 catch (XMLParseException e) {
147 throw Util.toSAXParseException(e);
148 }
149 catch (XNIException e) {
150 throw Util.toSAXException(e);
151 }
152 return;
153 }
154 throw new IllegalArgumentException (JAXPValidationMessageFormatter.formatMessage(Locale.getDefault(),
155 "SourceResultMismatch",
156 new Object [] {source.getClass().getName(), result.getClass().getName()}));
157 }
158
159 private XMLParserConfiguration initialize() {
160 XML11Configuration config = new XML11Configuration();
161 config.setProperty(ENTITY_RESOLVER, fComponentManager.getProperty(ENTITY_RESOLVER));
162 config.setProperty(ERROR_HANDLER, fComponentManager.getProperty(ERROR_HANDLER));
163 XMLErrorReporter errorReporter = (XMLErrorReporter) fComponentManager.getProperty(ERROR_REPORTER);
164 config.setProperty(ERROR_REPORTER, errorReporter);
165 if (errorReporter.getMessageFormatter(XMLMessageFormatter.XML_DOMAIN) == null) {
167 XMLMessageFormatter xmft = new XMLMessageFormatter();
168 errorReporter.putMessageFormatter(XMLMessageFormatter.XML_DOMAIN, xmft);
169 errorReporter.putMessageFormatter(XMLMessageFormatter.XMLNS_DOMAIN, xmft);
170 }
171 config.setProperty(SYMBOL_TABLE, fComponentManager.getProperty(SYMBOL_TABLE));
172 config.setProperty(VALIDATION_MANAGER, fComponentManager.getProperty(VALIDATION_MANAGER));
173 config.setDocumentHandler(fSchemaValidator);
174 config.setDTDHandler(null);
175 config.setDTDContentModelHandler(null);
176 fConfiguration = new SoftReference (config);
177 return config;
178 }
179
180 } |
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