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package org.mule.module.xml.util; |
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import org.mule.RequestContext; |
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import org.mule.api.MuleContext; |
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import org.mule.api.transport.OutputHandler; |
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import org.mule.module.xml.stax.DelegateXMLStreamReader; |
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import org.mule.module.xml.stax.StaxSource; |
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import org.mule.module.xml.transformer.DelayedResult; |
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import org.mule.module.xml.transformer.XmlToDomDocument; |
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import org.mule.transformer.types.DataTypeFactory; |
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import org.mule.util.IOUtils; |
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import java.io.ByteArrayInputStream; |
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import java.io.File; |
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import java.io.FileReader; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.InputStreamReader; |
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import java.io.Reader; |
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import java.io.StringReader; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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import javax.xml.namespace.NamespaceContext; |
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import javax.xml.parsers.DocumentBuilderFactory; |
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import javax.xml.stream.XMLStreamConstants; |
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import javax.xml.stream.XMLStreamException; |
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import javax.xml.stream.XMLStreamReader; |
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import javax.xml.stream.XMLStreamWriter; |
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import javax.xml.transform.Source; |
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import javax.xml.transform.Transformer; |
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import javax.xml.transform.TransformerConfigurationException; |
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import javax.xml.transform.TransformerFactory; |
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import javax.xml.transform.TransformerFactoryConfigurationError; |
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import javax.xml.transform.dom.DOMResult; |
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import javax.xml.transform.dom.DOMSource; |
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import javax.xml.transform.sax.SAXSource; |
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import javax.xml.transform.stream.StreamSource; |
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import javax.xml.xpath.XPath; |
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import javax.xml.xpath.XPathConstants; |
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import javax.xml.xpath.XPathExpressionException; |
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import javax.xml.xpath.XPathFactory; |
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import org.apache.commons.io.output.ByteArrayOutputStream; |
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import org.apache.commons.lang.StringUtils; |
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import org.dom4j.DocumentException; |
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import org.dom4j.io.DOMReader; |
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import org.dom4j.io.DOMWriter; |
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import org.dom4j.io.DocumentSource; |
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import org.w3c.dom.Document; |
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import org.w3c.dom.Node; |
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import org.w3c.dom.NodeList; |
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import org.xml.sax.InputSource; |
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|
69 | 0 | public class XMLUtils extends org.mule.util.XMLUtils |
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{ |
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public static final String TRANSFORMER_FACTORY_JDK5 = "com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl"; |
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public static final String APACHE_XML_FEATURES_VALIDATION_SCHEMA = "http://apache.org/xml/features/validation/schema"; |
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public static final String APACHE_XML_FEATURES_VALIDATION_SCHEMA_FULL_CHECKING = "http://apache.org/xml/features/validation/schema-full-checking"; |
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public static final String JAXP_PROPERTIES_SCHEMA_SOURCE = "http://java.sun.com/xml/jaxp/properties/schemaSource"; |
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public static final String JAXP_PROPERTIES_SCHEMA_LANGUAGE = "http://java.sun.com/xml/jaxp/properties/schemaLanguage"; |
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public static final String JAXP_PROPERTIES_SCHEMA_LANGUAGE_VALUE = "http://www.w3.org/2001/XMLSchema"; |
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public static String toXml(Document dom) |
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{ |
92 | 0 | return new DOMReader().read(dom).asXML(); |
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} |
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public static Transformer getTransformer() throws TransformerConfigurationException |
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{ |
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TransformerFactory tf; |
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try |
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{ |
105 | 0 | tf = TransformerFactory.newInstance(); |
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} |
107 | 0 | catch (TransformerFactoryConfigurationError e) |
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{ |
109 | 0 | System.setProperty("javax.xml.transform.TransformerFactory", TRANSFORMER_FACTORY_JDK5); |
110 | 0 | tf = TransformerFactory.newInstance(); |
111 | 0 | } |
112 | 0 | if (tf != null) |
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{ |
114 | 0 | return tf.newTransformer(); |
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} |
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else |
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{ |
118 | 0 | throw new TransformerConfigurationException("Unable to instantiate a TransformerFactory"); |
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} |
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} |
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|
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public static org.dom4j.Document toDocument(Object obj, MuleContext muleContext) throws Exception |
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{ |
124 | 0 | return toDocument(obj, null, muleContext); |
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} |
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public static org.dom4j.Document toDocument(Object obj, String externalSchemaLocation, MuleContext muleContext) throws Exception |
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{ |
134 | 0 | org.dom4j.io.SAXReader reader = new org.dom4j.io.SAXReader(); |
135 | 0 | if (externalSchemaLocation != null) |
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{ |
137 | 0 | reader.setValidation(true); |
138 | 0 | reader.setFeature(APACHE_XML_FEATURES_VALIDATION_SCHEMA, true); |
139 | 0 | reader.setFeature(APACHE_XML_FEATURES_VALIDATION_SCHEMA_FULL_CHECKING, true); |
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|
141 | 0 | InputStream xsdAsStream = IOUtils.getResourceAsStream(externalSchemaLocation, XMLUtils.class); |
142 | 0 | if (xsdAsStream == null) |
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{ |
144 | 0 | throw new IllegalArgumentException("Couldn't find schema at " + externalSchemaLocation); |
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} |
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|
149 | 0 | reader.setProperty(JAXP_PROPERTIES_SCHEMA_LANGUAGE, JAXP_PROPERTIES_SCHEMA_LANGUAGE_VALUE); |
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|
152 | 0 | reader.setProperty(JAXP_PROPERTIES_SCHEMA_SOURCE, xsdAsStream); |
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} |
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|
156 | 0 | if (obj instanceof org.dom4j.Document) |
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{ |
158 | 0 | return (org.dom4j.Document) obj; |
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} |
160 | 0 | else if (obj instanceof org.w3c.dom.Document) |
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{ |
162 | 0 | org.dom4j.io.DOMReader domReader = new org.dom4j.io.DOMReader(); |
163 | 0 | return domReader.read((org.w3c.dom.Document) obj); |
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} |
165 | 0 | else if (obj instanceof org.xml.sax.InputSource) |
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{ |
167 | 0 | return reader.read((org.xml.sax.InputSource) obj); |
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} |
169 | 0 | else if (obj instanceof javax.xml.transform.Source || obj instanceof javax.xml.stream.XMLStreamReader) |
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{ |
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|
172 | 0 | XmlToDomDocument tr = new XmlToDomDocument(); |
173 | 0 | tr.setMuleContext(muleContext); |
174 | 0 | tr.setReturnDataType(DataTypeFactory.create(org.dom4j.Document.class)); |
175 | 0 | return (org.dom4j.Document) tr.transform(obj); |
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} |
177 | 0 | else if (obj instanceof java.io.InputStream) |
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{ |
179 | 0 | return reader.read((java.io.InputStream) obj); |
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} |
181 | 0 | else if (obj instanceof String) |
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{ |
183 | 0 | return reader.read(new StringReader((String) obj)); |
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} |
185 | 0 | else if (obj instanceof byte[]) |
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{ |
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|
188 | 0 | return reader.read(new StringReader(new String((byte[]) obj))); |
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} |
190 | 0 | else if (obj instanceof File) |
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{ |
192 | 0 | return reader.read((File) obj); |
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} |
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else |
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{ |
196 | 0 | return null; |
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} |
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} |
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public static org.w3c.dom.Document toW3cDocument(Object payload) throws Exception |
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{ |
210 | 0 | if (payload instanceof org.dom4j.Document) |
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{ |
212 | 0 | DOMWriter writer = new DOMWriter(); |
213 | 0 | org.w3c.dom.Document w3cDocument = writer.write((org.dom4j.Document) payload); |
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|
215 | 0 | return w3cDocument; |
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} |
217 | 0 | else if (payload instanceof org.w3c.dom.Document) |
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{ |
219 | 0 | return (org.w3c.dom.Document) payload; |
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} |
221 | 0 | else if (payload instanceof org.xml.sax.InputSource) |
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{ |
223 | 0 | return parseXML((InputSource) payload); |
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} |
225 | 0 | else if (payload instanceof javax.xml.transform.Source || payload instanceof javax.xml.stream.XMLStreamReader) |
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{ |
227 | 0 | DOMResult result = new DOMResult(); |
228 | 0 | Transformer idTransformer = getTransformer(); |
229 | 0 | Source source = (payload instanceof Source) ? (Source)payload : toXmlSource(null, true, payload); |
230 | 0 | idTransformer.transform(source, result); |
231 | 0 | return (Document) result.getNode(); |
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} |
233 | 0 | else if (payload instanceof java.io.InputStream) |
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{ |
235 | 0 | InputStreamReader input = new InputStreamReader((InputStream) payload); |
236 | 0 | return parseXML(input); |
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} |
238 | 0 | else if (payload instanceof String) |
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{ |
240 | 0 | Reader input = new StringReader((String) payload); |
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|
242 | 0 | return parseXML(input); |
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} |
244 | 0 | else if (payload instanceof byte[]) |
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{ |
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|
247 | 0 | Reader input = new StringReader(new String((byte[]) payload)); |
248 | 0 | return parseXML(input); |
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} |
250 | 0 | else if (payload instanceof File) |
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{ |
252 | 0 | Reader input = new FileReader((File) payload); |
253 | 0 | return parseXML(input); |
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} |
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else |
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{ |
257 | 0 | return null; |
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} |
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} |
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|
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private static org.w3c.dom.Document parseXML(Reader source) throws Exception |
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{ |
263 | 0 | return parseXML(new InputSource(source)); |
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} |
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|
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private static org.w3c.dom.Document parseXML(InputSource source) throws Exception |
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{ |
268 | 0 | DocumentBuilderFactory factory = |
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DocumentBuilderFactory.newInstance(); |
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|
271 | 0 | return factory.newDocumentBuilder().parse(source); |
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} |
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public static javax.xml.stream.XMLStreamReader toXMLStreamReader(javax.xml.stream.XMLInputFactory factory, Object obj) throws XMLStreamException |
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{ |
281 | 0 | if (obj instanceof javax.xml.stream.XMLStreamReader) |
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{ |
283 | 0 | return (javax.xml.stream.XMLStreamReader) obj; |
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} |
285 | 0 | else if (obj instanceof org.mule.module.xml.stax.StaxSource) |
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{ |
287 | 0 | return ((org.mule.module.xml.stax.StaxSource) obj).getXMLStreamReader(); |
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} |
289 | 0 | else if (obj instanceof javax.xml.transform.Source) |
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{ |
291 | 0 | return factory.createXMLStreamReader((javax.xml.transform.Source) obj); |
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} |
293 | 0 | else if (obj instanceof org.xml.sax.InputSource) |
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{ |
295 | 0 | return factory.createXMLStreamReader(((org.xml.sax.InputSource) obj).getByteStream()); |
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} |
297 | 0 | else if (obj instanceof org.w3c.dom.Document) |
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{ |
299 | 0 | return factory.createXMLStreamReader(new javax.xml.transform.dom.DOMSource((org.w3c.dom.Document) obj)); |
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} |
301 | 0 | else if (obj instanceof org.dom4j.Document) |
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{ |
303 | 0 | return factory.createXMLStreamReader(new org.dom4j.io.DocumentSource((org.dom4j.Document) obj)); |
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} |
305 | 0 | else if (obj instanceof java.io.InputStream) |
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{ |
307 | 0 | final InputStream is = (java.io.InputStream) obj; |
308 | |
|
309 | 0 | XMLStreamReader xsr = factory.createXMLStreamReader(is); |
310 | 0 | return new DelegateXMLStreamReader(xsr) |
311 | 0 | { |
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@Override |
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public void close() throws XMLStreamException |
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{ |
315 | 0 | super.close(); |
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|
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try |
318 | |
{ |
319 | 0 | is.close(); |
320 | |
} |
321 | 0 | catch (IOException e) |
322 | |
{ |
323 | 0 | throw new XMLStreamException(e); |
324 | 0 | } |
325 | 0 | } |
326 | |
|
327 | |
}; |
328 | |
} |
329 | 0 | else if (obj instanceof String) |
330 | |
{ |
331 | 0 | return factory.createXMLStreamReader(new StringReader((String) obj)); |
332 | |
} |
333 | 0 | else if (obj instanceof byte[]) |
334 | |
{ |
335 | |
|
336 | 0 | return factory.createXMLStreamReader(new ByteArrayInputStream((byte[]) obj)); |
337 | |
} |
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else |
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{ |
340 | 0 | return null; |
341 | |
} |
342 | |
} |
343 | |
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344 | |
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|
347 | |
public static javax.xml.transform.Source toXmlSource(javax.xml.stream.XMLInputFactory xmlInputFactory, boolean useStaxSource, Object src) throws Exception |
348 | |
{ |
349 | 0 | if (src instanceof javax.xml.transform.Source) |
350 | |
{ |
351 | 0 | return (Source) src; |
352 | |
} |
353 | 0 | else if (src instanceof byte[]) |
354 | |
{ |
355 | 0 | ByteArrayInputStream stream = new ByteArrayInputStream((byte[]) src); |
356 | 0 | return toStreamSource(xmlInputFactory, useStaxSource, stream); |
357 | |
} |
358 | 0 | else if (src instanceof InputStream) |
359 | |
{ |
360 | 0 | return toStreamSource(xmlInputFactory, useStaxSource, (InputStream) src); |
361 | |
} |
362 | 0 | else if (src instanceof String) |
363 | |
{ |
364 | 0 | if (useStaxSource) |
365 | |
{ |
366 | 0 | return new StaxSource(xmlInputFactory.createXMLStreamReader(new StringReader((String) src))); |
367 | |
} |
368 | |
else |
369 | |
{ |
370 | 0 | return new StreamSource(new StringReader((String) src)); |
371 | |
} |
372 | |
} |
373 | 0 | else if (src instanceof org.dom4j.Document) |
374 | |
{ |
375 | 0 | return new DocumentSource((org.dom4j.Document) src); |
376 | |
} |
377 | 0 | else if (src instanceof org.xml.sax.InputSource) |
378 | |
{ |
379 | 0 | return new SAXSource((InputSource) src); |
380 | |
} |
381 | |
|
382 | 0 | else if (src instanceof XMLStreamReader) |
383 | |
{ |
384 | 0 | XMLStreamReader xsr = (XMLStreamReader) src; |
385 | |
|
386 | |
|
387 | 0 | if (!xsr.isStartElement() && |
388 | |
xsr.getEventType() != XMLStreamConstants.START_DOCUMENT) |
389 | |
{ |
390 | 0 | xsr.nextTag(); |
391 | |
} |
392 | |
|
393 | 0 | return new StaxSource((XMLStreamReader) src); |
394 | |
} |
395 | 0 | else if (src instanceof org.w3c.dom.Document || src instanceof org.w3c.dom.Element) |
396 | |
{ |
397 | 0 | return new DOMSource((org.w3c.dom.Node) src); |
398 | |
} |
399 | 0 | else if (src instanceof DelayedResult) |
400 | |
{ |
401 | 0 | DelayedResult result = ((DelayedResult) src); |
402 | 0 | DOMResult domResult = new DOMResult(); |
403 | 0 | result.write(domResult); |
404 | 0 | return new DOMSource(domResult.getNode()); |
405 | |
} |
406 | 0 | else if (src instanceof OutputHandler) |
407 | |
{ |
408 | 0 | OutputHandler handler = ((OutputHandler) src); |
409 | 0 | ByteArrayOutputStream output = new ByteArrayOutputStream(); |
410 | |
|
411 | 0 | handler.write(RequestContext.getEvent(), output); |
412 | |
|
413 | 0 | return toStreamSource(xmlInputFactory, useStaxSource, new ByteArrayInputStream(output.toByteArray())); |
414 | |
} |
415 | |
else |
416 | |
{ |
417 | 0 | return null; |
418 | |
} |
419 | |
} |
420 | |
|
421 | |
public static javax.xml.transform.Source toStreamSource(javax.xml.stream.XMLInputFactory xmlInputFactory, boolean useStaxSource, InputStream stream) throws XMLStreamException |
422 | |
{ |
423 | 0 | if (useStaxSource) |
424 | |
{ |
425 | 0 | return new org.mule.module.xml.stax.StaxSource(xmlInputFactory.createXMLStreamReader(stream)); |
426 | |
} |
427 | |
else |
428 | |
{ |
429 | 0 | return new javax.xml.transform.stream.StreamSource(stream); |
430 | |
} |
431 | |
} |
432 | |
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433 | |
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436 | |
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438 | |
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440 | |
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441 | |
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|
443 | |
public static void copy(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException { |
444 | 0 | copy(reader, writer, false); |
445 | 0 | } |
446 | |
public static void copy(XMLStreamReader reader, XMLStreamWriter writer, |
447 | |
boolean fragment) throws XMLStreamException { |
448 | |
|
449 | 0 | int read = 0; |
450 | 0 | int event = reader.getEventType(); |
451 | |
|
452 | 0 | while (reader.hasNext()) { |
453 | 0 | switch (event) { |
454 | |
case XMLStreamConstants.START_ELEMENT: |
455 | 0 | read++; |
456 | 0 | writeStartElement(reader, writer); |
457 | 0 | break; |
458 | |
case XMLStreamConstants.END_ELEMENT: |
459 | 0 | writer.writeEndElement(); |
460 | 0 | read--; |
461 | 0 | if (read <= 0 && !fragment) { |
462 | 0 | return; |
463 | |
} |
464 | |
break; |
465 | |
case XMLStreamConstants.CHARACTERS: |
466 | 0 | writer.writeCharacters(reader.getText()); |
467 | 0 | break; |
468 | |
case XMLStreamConstants.START_DOCUMENT: |
469 | |
case XMLStreamConstants.END_DOCUMENT: |
470 | |
case XMLStreamConstants.ATTRIBUTE: |
471 | |
case XMLStreamConstants.NAMESPACE: |
472 | 0 | break; |
473 | |
default: |
474 | |
break; |
475 | |
} |
476 | 0 | event = reader.next(); |
477 | |
} |
478 | 0 | } |
479 | |
|
480 | |
private static void writeStartElement(XMLStreamReader reader, XMLStreamWriter writer) |
481 | |
throws XMLStreamException { |
482 | 0 | String local = reader.getLocalName(); |
483 | 0 | String uri = reader.getNamespaceURI(); |
484 | 0 | String prefix = reader.getPrefix(); |
485 | 0 | if (prefix == null) { |
486 | 0 | prefix = ""; |
487 | |
} |
488 | |
|
489 | |
|
490 | |
|
491 | 0 | boolean writeElementNS = false; |
492 | 0 | if (uri != null) { |
493 | 0 | String boundPrefix = writer.getPrefix(uri); |
494 | 0 | if (boundPrefix == null || !prefix.equals(boundPrefix)) { |
495 | 0 | writeElementNS = true; |
496 | |
} |
497 | |
} |
498 | |
|
499 | |
|
500 | 0 | if (uri != null) { |
501 | 0 | if (prefix.length() == 0 && StringUtils.isEmpty(uri)) { |
502 | 0 | writer.writeStartElement(local); |
503 | 0 | writer.setDefaultNamespace(uri); |
504 | |
|
505 | |
} else { |
506 | 0 | writer.writeStartElement(prefix, local, uri); |
507 | 0 | writer.setPrefix(prefix, uri); |
508 | |
} |
509 | |
} else { |
510 | 0 | writer.writeStartElement(local); |
511 | |
} |
512 | |
|
513 | |
|
514 | 0 | for (int i = 0; i < reader.getNamespaceCount(); i++) { |
515 | 0 | String nsURI = reader.getNamespaceURI(i); |
516 | 0 | String nsPrefix = reader.getNamespacePrefix(i); |
517 | 0 | if (nsPrefix == null) { |
518 | 0 | nsPrefix = ""; |
519 | |
} |
520 | |
|
521 | 0 | if (nsPrefix.length() == 0) { |
522 | 0 | writer.writeDefaultNamespace(nsURI); |
523 | |
} else { |
524 | 0 | writer.writeNamespace(nsPrefix, nsURI); |
525 | |
} |
526 | |
|
527 | 0 | if (nsURI.equals(uri) && nsPrefix.equals(prefix)) { |
528 | 0 | writeElementNS = false; |
529 | |
} |
530 | |
} |
531 | |
|
532 | |
|
533 | |
|
534 | |
|
535 | 0 | if (writeElementNS) { |
536 | 0 | if (prefix.length() == 0) { |
537 | 0 | writer.writeDefaultNamespace(uri); |
538 | |
} else { |
539 | 0 | writer.writeNamespace(prefix, uri); |
540 | |
} |
541 | |
} |
542 | |
|
543 | |
|
544 | 0 | for (int i = 0; i < reader.getAttributeCount(); i++) { |
545 | 0 | String ns = reader.getAttributeNamespace(i); |
546 | 0 | String nsPrefix = reader.getAttributePrefix(i); |
547 | 0 | if (ns == null || ns.length() == 0) { |
548 | 0 | writer.writeAttribute(reader.getAttributeLocalName(i), reader.getAttributeValue(i)); |
549 | 0 | } else if (nsPrefix == null || nsPrefix.length() == 0) { |
550 | 0 | writer.writeAttribute(reader.getAttributeNamespace(i), reader.getAttributeLocalName(i), |
551 | |
reader.getAttributeValue(i)); |
552 | |
} else { |
553 | 0 | writer.writeAttribute(reader.getAttributePrefix(i), reader.getAttributeNamespace(i), reader |
554 | |
.getAttributeLocalName(i), reader.getAttributeValue(i)); |
555 | |
} |
556 | |
|
557 | |
} |
558 | 0 | } |
559 | |
|
560 | |
|
561 | |
|
562 | |
|
563 | |
|
564 | |
|
565 | |
private static XPath createXPath(Node node) |
566 | |
{ |
567 | 0 | XPath xp = XPathFactory.newInstance().newXPath(); |
568 | 0 | if (node instanceof Document) |
569 | |
{ |
570 | 0 | xp.setNamespaceContext(new XPathNamespaceContext((Document) node)); |
571 | |
} |
572 | 0 | return xp; |
573 | |
} |
574 | |
|
575 | |
|
576 | |
|
577 | |
|
578 | |
|
579 | |
|
580 | |
|
581 | |
|
582 | |
public static Node selectOne(String xpath, Node node) throws XPathExpressionException |
583 | |
{ |
584 | 0 | XPath xp = createXPath(node); |
585 | 0 | return (Node) xp.evaluate(xpath, node, XPathConstants.NODE); |
586 | |
} |
587 | |
|
588 | |
|
589 | |
|
590 | |
|
591 | |
|
592 | |
|
593 | |
|
594 | |
|
595 | |
public static String selectValue(String xpath, Node node) throws XPathExpressionException |
596 | |
{ |
597 | 0 | XPath xp = createXPath(node); |
598 | 0 | return (String) xp.evaluate(xpath, node, XPathConstants.STRING); |
599 | |
} |
600 | |
|
601 | |
|
602 | |
|
603 | |
|
604 | |
|
605 | |
|
606 | |
|
607 | |
|
608 | |
public static List<Node> select(String xpath, Node node) throws XPathExpressionException |
609 | |
{ |
610 | 0 | XPath xp = createXPath(node); |
611 | 0 | NodeList nl = (NodeList) xp.evaluate(xpath, node, XPathConstants.NODESET); |
612 | 0 | List<Node> nodeList = new ArrayList<Node>(nl.getLength()); |
613 | 0 | for (int i = 0; i < nl.getLength(); i++) |
614 | |
{ |
615 | 0 | nodeList.add(nl.item(i)); |
616 | |
} |
617 | 0 | return nodeList; |
618 | |
} |
619 | |
|
620 | |
|
621 | |
|
622 | |
|
623 | |
|
624 | |
|
625 | |
|
626 | 0 | private static class XPathNamespaceContext implements NamespaceContext |
627 | |
{ |
628 | |
private Document document; |
629 | |
|
630 | |
public XPathNamespaceContext(Document document) |
631 | 0 | { |
632 | 0 | this.document = document; |
633 | 0 | } |
634 | |
|
635 | |
public String getNamespaceURI(String prefix) |
636 | |
{ |
637 | 0 | if (prefix == null || prefix.equals("")) |
638 | |
{ |
639 | 0 | return document.getDocumentElement().getNamespaceURI(); |
640 | |
} |
641 | |
else |
642 | |
{ |
643 | 0 | return document.lookupNamespaceURI(prefix); |
644 | |
} |
645 | |
} |
646 | |
|
647 | |
public String getPrefix(String namespaceURI) |
648 | |
{ |
649 | 0 | return document.lookupPrefix(namespaceURI); |
650 | |
} |
651 | |
|
652 | |
public Iterator<String> getPrefixes(String namespaceURI) |
653 | |
{ |
654 | 0 | List<String> list = new ArrayList<String>(); |
655 | 0 | list.add(getPrefix(namespaceURI)); |
656 | 0 | return list.iterator(); |
657 | |
} |
658 | |
} |
659 | |
} |