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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.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.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.IOException; |
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import java.io.InputStream; |
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import java.io.StringReader; |
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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 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.DocumentSource; |
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import org.w3c.dom.Document; |
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import org.xml.sax.InputSource; |
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|
52 | 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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{ |
73 | 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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{ |
86 | 36 | tf = TransformerFactory.newInstance(); |
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} |
88 | 0 | catch (TransformerFactoryConfigurationError e) |
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{ |
90 | 0 | System.setProperty("javax.xml.transform.TransformerFactory", TRANSFORMER_FACTORY_JDK5); |
91 | 0 | tf = TransformerFactory.newInstance(); |
92 | 36 | } |
93 | 36 | if (tf != null) |
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{ |
95 | 36 | return tf.newTransformer(); |
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} |
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else |
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{ |
99 | 0 | throw new TransformerConfigurationException("Unable to instantiate a TransformerFactory"); |
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} |
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} |
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public static org.dom4j.Document toDocument(Object obj) throws Exception |
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{ |
105 | 76 | return toDocument(obj, null); |
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} |
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public static org.dom4j.Document toDocument(Object obj, String externalSchemaLocation) throws Exception |
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{ |
115 | 136 | org.dom4j.io.SAXReader reader = new org.dom4j.io.SAXReader(); |
116 | 136 | if (externalSchemaLocation != null) |
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{ |
118 | 60 | reader.setValidation(true); |
119 | 60 | reader.setFeature(APACHE_XML_FEATURES_VALIDATION_SCHEMA, true); |
120 | 60 | reader.setFeature(APACHE_XML_FEATURES_VALIDATION_SCHEMA_FULL_CHECKING, true); |
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|
122 | 60 | InputStream xsdAsStream = IOUtils.getResourceAsStream(externalSchemaLocation, XMLUtils.class); |
123 | 60 | if (xsdAsStream == null) |
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{ |
125 | 4 | throw new IllegalArgumentException("Couldn't find schema at " + externalSchemaLocation); |
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} |
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130 | 56 | reader.setProperty(JAXP_PROPERTIES_SCHEMA_LANGUAGE, JAXP_PROPERTIES_SCHEMA_LANGUAGE_VALUE); |
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|
133 | 56 | reader.setProperty(JAXP_PROPERTIES_SCHEMA_SOURCE, xsdAsStream); |
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} |
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|
136 | 132 | if (obj instanceof org.dom4j.Document) |
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{ |
138 | 26 | return (org.dom4j.Document) obj; |
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} |
140 | 106 | else if (obj instanceof org.w3c.dom.Document) |
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{ |
142 | 14 | org.dom4j.io.DOMReader domReader = new org.dom4j.io.DOMReader(); |
143 | 14 | return domReader.read((org.w3c.dom.Document) obj); |
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} |
145 | 92 | else if (obj instanceof org.xml.sax.InputSource) |
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{ |
147 | 6 | return reader.read((org.xml.sax.InputSource) obj); |
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} |
149 | 86 | else if (obj instanceof javax.xml.transform.Source || obj instanceof javax.xml.stream.XMLStreamReader) |
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{ |
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|
152 | 10 | XmlToDomDocument tr = new XmlToDomDocument(); |
153 | 10 | tr.setReturnClass(org.dom4j.Document.class); |
154 | 10 | return (org.dom4j.Document) tr.transform(obj); |
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} |
156 | 76 | else if (obj instanceof java.io.InputStream) |
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{ |
158 | 6 | return reader.read((java.io.InputStream) obj); |
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} |
160 | 70 | else if (obj instanceof String) |
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{ |
162 | 42 | return reader.read(new StringReader((String) obj)); |
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} |
164 | 28 | else if (obj instanceof byte[]) |
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{ |
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|
167 | 12 | return reader.read(new StringReader(new String((byte[]) obj))); |
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} |
169 | 16 | else if (obj instanceof File) |
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{ |
171 | 0 | return reader.read((File) obj); |
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} |
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else |
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{ |
175 | 16 | return null; |
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} |
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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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{ |
185 | 44 | if (obj instanceof javax.xml.stream.XMLStreamReader) |
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{ |
187 | 2 | return (javax.xml.stream.XMLStreamReader) obj; |
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} |
189 | 42 | else if (obj instanceof org.mule.module.xml.stax.StaxSource) |
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{ |
191 | 0 | return ((org.mule.module.xml.stax.StaxSource) obj).getXMLStreamReader(); |
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} |
193 | 42 | else if (obj instanceof javax.xml.transform.Source) |
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{ |
195 | 2 | return factory.createXMLStreamReader((javax.xml.transform.Source) obj); |
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} |
197 | 40 | else if (obj instanceof org.xml.sax.InputSource) |
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{ |
199 | 2 | return factory.createXMLStreamReader(((org.xml.sax.InputSource) obj).getByteStream()); |
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} |
201 | 38 | else if (obj instanceof org.w3c.dom.Document) |
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{ |
203 | 2 | return factory.createXMLStreamReader(new javax.xml.transform.dom.DOMSource((org.w3c.dom.Document) obj)); |
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} |
205 | 36 | else if (obj instanceof org.dom4j.Document) |
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{ |
207 | 2 | return factory.createXMLStreamReader(new org.dom4j.io.DocumentSource((org.dom4j.Document) obj)); |
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} |
209 | 34 | else if (obj instanceof java.io.InputStream) |
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{ |
211 | 20 | final InputStream is = (java.io.InputStream) obj; |
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|
213 | 20 | XMLStreamReader xsr = factory.createXMLStreamReader(is); |
214 | 20 | return new DelegateXMLStreamReader(xsr) { |
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|
216 | 20 | public void close() throws XMLStreamException |
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{ |
218 | 4 | super.close(); |
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|
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try |
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{ |
222 | 4 | is.close(); |
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} |
224 | 0 | catch (IOException e) |
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{ |
226 | 0 | throw new XMLStreamException(e); |
227 | 4 | } |
228 | 4 | } |
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|
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}; |
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} |
232 | 14 | else if (obj instanceof String) |
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{ |
234 | 10 | return factory.createXMLStreamReader(new StringReader((String) obj)); |
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} |
236 | 4 | else if (obj instanceof byte[]) |
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{ |
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|
239 | 2 | return factory.createXMLStreamReader(new ByteArrayInputStream((byte[]) obj)); |
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} |
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else |
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{ |
243 | 2 | return null; |
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} |
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} |
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public static javax.xml.transform.Source toXmlSource(javax.xml.stream.XMLInputFactory xmlInputFactory, boolean useStaxSource, Object src) throws Exception |
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{ |
252 | 4102 | if (src instanceof javax.xml.transform.Source) |
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{ |
254 | 12 | return (Source) src; |
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} |
256 | 4090 | else if (src instanceof byte[]) |
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{ |
258 | 0 | ByteArrayInputStream stream = new ByteArrayInputStream((byte[]) src); |
259 | 0 | return toStreamSource(xmlInputFactory, useStaxSource, stream); |
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} |
261 | 4090 | else if (src instanceof InputStream) |
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{ |
263 | 20 | return toStreamSource(xmlInputFactory, useStaxSource, (InputStream) src); |
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} |
265 | 4070 | else if (src instanceof String) |
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{ |
267 | 4028 | if (useStaxSource) |
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{ |
269 | 0 | return new StaxSource(xmlInputFactory.createXMLStreamReader(new StringReader((String) src))); |
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} |
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else |
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{ |
273 | 4028 | return new StreamSource(new StringReader((String) src)); |
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} |
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} |
276 | 42 | else if (src instanceof org.dom4j.Document) |
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{ |
278 | 6 | return new DocumentSource((org.dom4j.Document) src); |
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} |
280 | 36 | else if (src instanceof org.xml.sax.InputSource) |
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{ |
282 | 6 | return new SAXSource((InputSource) src); |
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} |
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|
285 | 30 | else if (src instanceof XMLStreamReader) |
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{ |
287 | 12 | XMLStreamReader xsr = (XMLStreamReader) src; |
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|
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|
290 | 12 | if (!xsr.isStartElement() && |
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xsr.getEventType() != XMLStreamConstants.START_DOCUMENT) |
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{ |
293 | 0 | xsr.nextTag(); |
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} |
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|
296 | 12 | return new StaxSource((XMLStreamReader) src); |
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} |
298 | 18 | else if (src instanceof org.w3c.dom.Document || src instanceof org.w3c.dom.Element) |
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{ |
300 | 18 | return new DOMSource((org.w3c.dom.Node) src); |
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} |
302 | 0 | else if (src instanceof DelayedResult) |
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{ |
304 | 0 | DelayedResult result = ((DelayedResult) src); |
305 | 0 | DOMResult domResult = new DOMResult(); |
306 | 0 | result.write(domResult); |
307 | 0 | return new DOMSource(domResult.getNode()); |
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} |
309 | 0 | else if (src instanceof OutputHandler) |
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{ |
311 | 0 | OutputHandler handler = ((OutputHandler) src); |
312 | 0 | ByteArrayOutputStream output = new ByteArrayOutputStream(); |
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|
314 | 0 | handler.write(RequestContext.getEvent(), output); |
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|
316 | 0 | return toStreamSource(xmlInputFactory, useStaxSource, new ByteArrayInputStream(output.toByteArray())); |
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} |
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else |
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{ |
320 | 0 | return null; |
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} |
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} |
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|
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public static javax.xml.transform.Source toStreamSource(javax.xml.stream.XMLInputFactory xmlInputFactory, boolean useStaxSource, InputStream stream) throws XMLStreamException |
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{ |
326 | 20 | if (useStaxSource) |
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{ |
328 | 0 | return new org.mule.module.xml.stax.StaxSource(xmlInputFactory.createXMLStreamReader(stream)); |
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} |
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else |
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{ |
332 | 20 | return new javax.xml.transform.stream.StreamSource(stream); |
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} |
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} |
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public static void copy(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException { |
347 | 0 | copy(reader, writer, false); |
348 | 0 | } |
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public static void copy(XMLStreamReader reader, XMLStreamWriter writer, |
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boolean fragment) throws XMLStreamException { |
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|
352 | 0 | int read = 0; |
353 | 0 | int event = reader.getEventType(); |
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|
355 | 0 | while (reader.hasNext()) { |
356 | 0 | switch (event) { |
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case XMLStreamConstants.START_ELEMENT: |
358 | 0 | read++; |
359 | 0 | writeStartElement(reader, writer); |
360 | 0 | break; |
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case XMLStreamConstants.END_ELEMENT: |
362 | 0 | writer.writeEndElement(); |
363 | 0 | read--; |
364 | 0 | if (read <= 0 && !fragment) { |
365 | 0 | return; |
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} |
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break; |
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case XMLStreamConstants.CHARACTERS: |
369 | 0 | writer.writeCharacters(reader.getText()); |
370 | 0 | break; |
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case XMLStreamConstants.START_DOCUMENT: |
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case XMLStreamConstants.END_DOCUMENT: |
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case XMLStreamConstants.ATTRIBUTE: |
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case XMLStreamConstants.NAMESPACE: |
375 | 0 | break; |
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default: |
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break; |
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} |
379 | 0 | event = reader.next(); |
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} |
381 | 0 | } |
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|
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private static void writeStartElement(XMLStreamReader reader, XMLStreamWriter writer) |
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throws XMLStreamException { |
385 | 0 | String local = reader.getLocalName(); |
386 | 0 | String uri = reader.getNamespaceURI(); |
387 | 0 | String prefix = reader.getPrefix(); |
388 | 0 | if (prefix == null) { |
389 | 0 | prefix = ""; |
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} |
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|
394 | 0 | boolean writeElementNS = false; |
395 | 0 | if (uri != null) { |
396 | 0 | String boundPrefix = writer.getPrefix(uri); |
397 | 0 | if (boundPrefix == null || !prefix.equals(boundPrefix)) { |
398 | 0 | writeElementNS = true; |
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} |
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} |
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|
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|
403 | 0 | if (uri != null) { |
404 | 0 | if (prefix.length() == 0 && StringUtils.isEmpty(uri)) { |
405 | 0 | writer.writeStartElement(local); |
406 | 0 | writer.setDefaultNamespace(uri); |
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|
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} else { |
409 | 0 | writer.writeStartElement(prefix, local, uri); |
410 | 0 | writer.setPrefix(prefix, uri); |
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} |
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} else { |
413 | 0 | writer.writeStartElement(local); |
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} |
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|
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|
417 | 0 | for (int i = 0; i < reader.getNamespaceCount(); i++) { |
418 | 0 | String nsURI = reader.getNamespaceURI(i); |
419 | 0 | String nsPrefix = reader.getNamespacePrefix(i); |
420 | 0 | if (nsPrefix == null) { |
421 | 0 | nsPrefix = ""; |
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} |
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|
424 | 0 | if (nsPrefix.length() == 0) { |
425 | 0 | writer.writeDefaultNamespace(nsURI); |
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} else { |
427 | 0 | writer.writeNamespace(nsPrefix, nsURI); |
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} |
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|
430 | 0 | if (nsURI.equals(uri) && nsPrefix.equals(prefix)) { |
431 | 0 | writeElementNS = false; |
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} |
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} |
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|
438 | 0 | if (writeElementNS) { |
439 | 0 | if (prefix == null || prefix.length() == 0) { |
440 | 0 | writer.writeDefaultNamespace(uri); |
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} else { |
442 | 0 | writer.writeNamespace(prefix, uri); |
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} |
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} |
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|
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|
447 | 0 | for (int i = 0; i < reader.getAttributeCount(); i++) { |
448 | 0 | String ns = reader.getAttributeNamespace(i); |
449 | 0 | String nsPrefix = reader.getAttributePrefix(i); |
450 | 0 | if (ns == null || ns.length() == 0) { |
451 | 0 | writer.writeAttribute(reader.getAttributeLocalName(i), reader.getAttributeValue(i)); |
452 | 0 | } else if (nsPrefix == null || nsPrefix.length() == 0) { |
453 | 0 | writer.writeAttribute(reader.getAttributeNamespace(i), reader.getAttributeLocalName(i), |
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reader.getAttributeValue(i)); |
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} else { |
456 | 0 | writer.writeAttribute(reader.getAttributePrefix(i), reader.getAttributeNamespace(i), reader |
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.getAttributeLocalName(i), reader.getAttributeValue(i)); |
458 | |
} |
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|
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} |
461 | 0 | } |
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} |