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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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|
65 | 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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{ |
88 | 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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{ |
101 | 0 | tf = TransformerFactory.newInstance(); |
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} |
103 | 0 | catch (TransformerFactoryConfigurationError e) |
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{ |
105 | 0 | System.setProperty("javax.xml.transform.TransformerFactory", TRANSFORMER_FACTORY_JDK5); |
106 | 0 | tf = TransformerFactory.newInstance(); |
107 | 0 | } |
108 | 0 | if (tf != null) |
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{ |
110 | 0 | return tf.newTransformer(); |
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} |
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else |
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{ |
114 | 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, MuleContext muleContext) throws Exception |
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{ |
120 | 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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{ |
130 | 0 | org.dom4j.io.SAXReader reader = new org.dom4j.io.SAXReader(); |
131 | 0 | if (externalSchemaLocation != null) |
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{ |
133 | 0 | reader.setValidation(true); |
134 | 0 | reader.setFeature(APACHE_XML_FEATURES_VALIDATION_SCHEMA, true); |
135 | 0 | reader.setFeature(APACHE_XML_FEATURES_VALIDATION_SCHEMA_FULL_CHECKING, true); |
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|
137 | 0 | InputStream xsdAsStream = IOUtils.getResourceAsStream(externalSchemaLocation, XMLUtils.class); |
138 | 0 | if (xsdAsStream == null) |
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{ |
140 | 0 | throw new IllegalArgumentException("Couldn't find schema at " + externalSchemaLocation); |
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} |
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|
145 | 0 | reader.setProperty(JAXP_PROPERTIES_SCHEMA_LANGUAGE, JAXP_PROPERTIES_SCHEMA_LANGUAGE_VALUE); |
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|
148 | 0 | reader.setProperty(JAXP_PROPERTIES_SCHEMA_SOURCE, xsdAsStream); |
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} |
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|
152 | 0 | if (obj instanceof org.dom4j.Document) |
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{ |
154 | 0 | return (org.dom4j.Document) obj; |
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} |
156 | 0 | else if (obj instanceof org.w3c.dom.Document) |
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{ |
158 | 0 | org.dom4j.io.DOMReader domReader = new org.dom4j.io.DOMReader(); |
159 | 0 | return domReader.read((org.w3c.dom.Document) obj); |
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} |
161 | 0 | else if (obj instanceof org.xml.sax.InputSource) |
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{ |
163 | 0 | return reader.read((org.xml.sax.InputSource) obj); |
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} |
165 | 0 | else if (obj instanceof javax.xml.transform.Source || obj instanceof javax.xml.stream.XMLStreamReader) |
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{ |
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|
168 | 0 | XmlToDomDocument tr = new XmlToDomDocument(); |
169 | 0 | tr.setMuleContext(muleContext); |
170 | 0 | tr.setReturnDataType(DataTypeFactory.create(org.dom4j.Document.class)); |
171 | 0 | return (org.dom4j.Document) tr.transform(obj); |
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} |
173 | 0 | else if (obj instanceof java.io.InputStream) |
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{ |
175 | 0 | return reader.read((java.io.InputStream) obj); |
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} |
177 | 0 | else if (obj instanceof String) |
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{ |
179 | 0 | return reader.read(new StringReader((String) obj)); |
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} |
181 | 0 | else if (obj instanceof byte[]) |
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{ |
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|
184 | 0 | return reader.read(new StringReader(new String((byte[]) obj))); |
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} |
186 | 0 | else if (obj instanceof File) |
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{ |
188 | 0 | return reader.read((File) obj); |
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} |
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else |
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{ |
192 | 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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{ |
206 | 0 | if (payload instanceof org.dom4j.Document) |
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{ |
208 | 0 | DOMWriter writer = new DOMWriter(); |
209 | 0 | org.w3c.dom.Document w3cDocument = writer.write((org.dom4j.Document) payload); |
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|
211 | 0 | return w3cDocument; |
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} |
213 | 0 | else if (payload instanceof org.w3c.dom.Document) |
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{ |
215 | 0 | return (org.w3c.dom.Document) payload; |
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} |
217 | 0 | else if (payload instanceof org.xml.sax.InputSource) |
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{ |
219 | 0 | return parseXML((InputSource) payload); |
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} |
221 | 0 | else if (payload instanceof javax.xml.transform.Source || payload instanceof javax.xml.stream.XMLStreamReader) |
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{ |
223 | 0 | DOMResult result = new DOMResult(); |
224 | 0 | Transformer idTransformer = getTransformer(); |
225 | 0 | Source source = (payload instanceof Source) ? (Source)payload : toXmlSource(null, true, payload); |
226 | 0 | idTransformer.transform(source, result); |
227 | 0 | return (Document) result.getNode(); |
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} |
229 | 0 | else if (payload instanceof java.io.InputStream) |
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{ |
231 | 0 | InputStreamReader input = new InputStreamReader((InputStream) payload); |
232 | 0 | return parseXML(input); |
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} |
234 | 0 | else if (payload instanceof String) |
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{ |
236 | 0 | Reader input = new StringReader((String) payload); |
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|
238 | 0 | return parseXML(input); |
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} |
240 | 0 | else if (payload instanceof byte[]) |
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{ |
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|
243 | 0 | Reader input = new StringReader(new String((byte[]) payload)); |
244 | 0 | return parseXML(input); |
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} |
246 | 0 | else if (payload instanceof File) |
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{ |
248 | 0 | Reader input = new FileReader((File) payload); |
249 | 0 | return parseXML(input); |
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} |
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else |
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{ |
253 | 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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{ |
259 | 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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{ |
264 | 0 | DocumentBuilderFactory factory = |
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DocumentBuilderFactory.newInstance(); |
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|
267 | 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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{ |
277 | 0 | if (obj instanceof javax.xml.stream.XMLStreamReader) |
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{ |
279 | 0 | return (javax.xml.stream.XMLStreamReader) obj; |
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} |
281 | 0 | else if (obj instanceof org.mule.module.xml.stax.StaxSource) |
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{ |
283 | 0 | return ((org.mule.module.xml.stax.StaxSource) obj).getXMLStreamReader(); |
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} |
285 | 0 | else if (obj instanceof javax.xml.transform.Source) |
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{ |
287 | 0 | return factory.createXMLStreamReader((javax.xml.transform.Source) obj); |
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} |
289 | 0 | else if (obj instanceof org.xml.sax.InputSource) |
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{ |
291 | 0 | return factory.createXMLStreamReader(((org.xml.sax.InputSource) obj).getByteStream()); |
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} |
293 | 0 | else if (obj instanceof org.w3c.dom.Document) |
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{ |
295 | 0 | return factory.createXMLStreamReader(new javax.xml.transform.dom.DOMSource((org.w3c.dom.Document) obj)); |
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} |
297 | 0 | else if (obj instanceof org.dom4j.Document) |
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{ |
299 | 0 | return factory.createXMLStreamReader(new org.dom4j.io.DocumentSource((org.dom4j.Document) obj)); |
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} |
301 | 0 | else if (obj instanceof java.io.InputStream) |
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{ |
303 | 0 | final InputStream is = (java.io.InputStream) obj; |
304 | |
|
305 | 0 | XMLStreamReader xsr = factory.createXMLStreamReader(is); |
306 | 0 | return new DelegateXMLStreamReader(xsr) |
307 | 0 | { |
308 | |
@Override |
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public void close() throws XMLStreamException |
310 | |
{ |
311 | 0 | super.close(); |
312 | |
|
313 | |
try |
314 | |
{ |
315 | 0 | is.close(); |
316 | |
} |
317 | 0 | catch (IOException e) |
318 | |
{ |
319 | 0 | throw new XMLStreamException(e); |
320 | 0 | } |
321 | 0 | } |
322 | |
|
323 | |
}; |
324 | |
} |
325 | 0 | else if (obj instanceof String) |
326 | |
{ |
327 | 0 | return factory.createXMLStreamReader(new StringReader((String) obj)); |
328 | |
} |
329 | 0 | else if (obj instanceof byte[]) |
330 | |
{ |
331 | |
|
332 | 0 | return factory.createXMLStreamReader(new ByteArrayInputStream((byte[]) obj)); |
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} |
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else |
335 | |
{ |
336 | 0 | return null; |
337 | |
} |
338 | |
} |
339 | |
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340 | |
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341 | |
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342 | |
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public static javax.xml.transform.Source toXmlSource(javax.xml.stream.XMLInputFactory xmlInputFactory, boolean useStaxSource, Object src) throws Exception |
344 | |
{ |
345 | 0 | if (src instanceof javax.xml.transform.Source) |
346 | |
{ |
347 | 0 | return (Source) src; |
348 | |
} |
349 | 0 | else if (src instanceof byte[]) |
350 | |
{ |
351 | 0 | ByteArrayInputStream stream = new ByteArrayInputStream((byte[]) src); |
352 | 0 | return toStreamSource(xmlInputFactory, useStaxSource, stream); |
353 | |
} |
354 | 0 | else if (src instanceof InputStream) |
355 | |
{ |
356 | 0 | return toStreamSource(xmlInputFactory, useStaxSource, (InputStream) src); |
357 | |
} |
358 | 0 | else if (src instanceof String) |
359 | |
{ |
360 | 0 | if (useStaxSource) |
361 | |
{ |
362 | 0 | return new StaxSource(xmlInputFactory.createXMLStreamReader(new StringReader((String) src))); |
363 | |
} |
364 | |
else |
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{ |
366 | 0 | return new StreamSource(new StringReader((String) src)); |
367 | |
} |
368 | |
} |
369 | 0 | else if (src instanceof org.dom4j.Document) |
370 | |
{ |
371 | 0 | return new DocumentSource((org.dom4j.Document) src); |
372 | |
} |
373 | 0 | else if (src instanceof org.xml.sax.InputSource) |
374 | |
{ |
375 | 0 | return new SAXSource((InputSource) src); |
376 | |
} |
377 | |
|
378 | 0 | else if (src instanceof XMLStreamReader) |
379 | |
{ |
380 | 0 | XMLStreamReader xsr = (XMLStreamReader) src; |
381 | |
|
382 | |
|
383 | 0 | if (!xsr.isStartElement() && |
384 | |
xsr.getEventType() != XMLStreamConstants.START_DOCUMENT) |
385 | |
{ |
386 | 0 | xsr.nextTag(); |
387 | |
} |
388 | |
|
389 | 0 | return new StaxSource((XMLStreamReader) src); |
390 | |
} |
391 | 0 | else if (src instanceof org.w3c.dom.Document || src instanceof org.w3c.dom.Element) |
392 | |
{ |
393 | 0 | return new DOMSource((org.w3c.dom.Node) src); |
394 | |
} |
395 | 0 | else if (src instanceof DelayedResult) |
396 | |
{ |
397 | 0 | DelayedResult result = ((DelayedResult) src); |
398 | 0 | DOMResult domResult = new DOMResult(); |
399 | 0 | result.write(domResult); |
400 | 0 | return new DOMSource(domResult.getNode()); |
401 | |
} |
402 | 0 | else if (src instanceof OutputHandler) |
403 | |
{ |
404 | 0 | OutputHandler handler = ((OutputHandler) src); |
405 | 0 | ByteArrayOutputStream output = new ByteArrayOutputStream(); |
406 | |
|
407 | 0 | handler.write(RequestContext.getEvent(), output); |
408 | |
|
409 | 0 | return toStreamSource(xmlInputFactory, useStaxSource, new ByteArrayInputStream(output.toByteArray())); |
410 | |
} |
411 | |
else |
412 | |
{ |
413 | 0 | return null; |
414 | |
} |
415 | |
} |
416 | |
|
417 | |
public static javax.xml.transform.Source toStreamSource(javax.xml.stream.XMLInputFactory xmlInputFactory, boolean useStaxSource, InputStream stream) throws XMLStreamException |
418 | |
{ |
419 | 0 | if (useStaxSource) |
420 | |
{ |
421 | 0 | return new org.mule.module.xml.stax.StaxSource(xmlInputFactory.createXMLStreamReader(stream)); |
422 | |
} |
423 | |
else |
424 | |
{ |
425 | 0 | return new javax.xml.transform.stream.StreamSource(stream); |
426 | |
} |
427 | |
} |
428 | |
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429 | |
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430 | |
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431 | |
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432 | |
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434 | |
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435 | |
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436 | |
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437 | |
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438 | |
|
439 | |
public static void copy(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException { |
440 | 0 | copy(reader, writer, false); |
441 | 0 | } |
442 | |
public static void copy(XMLStreamReader reader, XMLStreamWriter writer, |
443 | |
boolean fragment) throws XMLStreamException { |
444 | |
|
445 | 0 | int read = 0; |
446 | 0 | int event = reader.getEventType(); |
447 | |
|
448 | 0 | while (reader.hasNext()) { |
449 | 0 | switch (event) { |
450 | |
case XMLStreamConstants.START_ELEMENT: |
451 | 0 | read++; |
452 | 0 | writeStartElement(reader, writer); |
453 | 0 | break; |
454 | |
case XMLStreamConstants.END_ELEMENT: |
455 | 0 | writer.writeEndElement(); |
456 | 0 | read--; |
457 | 0 | if (read <= 0 && !fragment) { |
458 | 0 | return; |
459 | |
} |
460 | |
break; |
461 | |
case XMLStreamConstants.CHARACTERS: |
462 | 0 | writer.writeCharacters(reader.getText()); |
463 | 0 | break; |
464 | |
case XMLStreamConstants.START_DOCUMENT: |
465 | |
case XMLStreamConstants.END_DOCUMENT: |
466 | |
case XMLStreamConstants.ATTRIBUTE: |
467 | |
case XMLStreamConstants.NAMESPACE: |
468 | 0 | break; |
469 | |
default: |
470 | |
break; |
471 | |
} |
472 | 0 | event = reader.next(); |
473 | |
} |
474 | 0 | } |
475 | |
|
476 | |
private static void writeStartElement(XMLStreamReader reader, XMLStreamWriter writer) |
477 | |
throws XMLStreamException { |
478 | 0 | String local = reader.getLocalName(); |
479 | 0 | String uri = reader.getNamespaceURI(); |
480 | 0 | String prefix = reader.getPrefix(); |
481 | 0 | if (prefix == null) { |
482 | 0 | prefix = ""; |
483 | |
} |
484 | |
|
485 | |
|
486 | |
|
487 | 0 | boolean writeElementNS = false; |
488 | 0 | if (uri != null) { |
489 | 0 | String boundPrefix = writer.getPrefix(uri); |
490 | 0 | if (boundPrefix == null || !prefix.equals(boundPrefix)) { |
491 | 0 | writeElementNS = true; |
492 | |
} |
493 | |
} |
494 | |
|
495 | |
|
496 | 0 | if (uri != null) { |
497 | 0 | if (prefix.length() == 0 && StringUtils.isEmpty(uri)) { |
498 | 0 | writer.writeStartElement(local); |
499 | 0 | writer.setDefaultNamespace(uri); |
500 | |
|
501 | |
} else { |
502 | 0 | writer.writeStartElement(prefix, local, uri); |
503 | 0 | writer.setPrefix(prefix, uri); |
504 | |
} |
505 | |
} else { |
506 | 0 | writer.writeStartElement(local); |
507 | |
} |
508 | |
|
509 | |
|
510 | 0 | for (int i = 0; i < reader.getNamespaceCount(); i++) { |
511 | 0 | String nsURI = reader.getNamespaceURI(i); |
512 | 0 | String nsPrefix = reader.getNamespacePrefix(i); |
513 | 0 | if (nsPrefix == null) { |
514 | 0 | nsPrefix = ""; |
515 | |
} |
516 | |
|
517 | 0 | if (nsPrefix.length() == 0) { |
518 | 0 | writer.writeDefaultNamespace(nsURI); |
519 | |
} else { |
520 | 0 | writer.writeNamespace(nsPrefix, nsURI); |
521 | |
} |
522 | |
|
523 | 0 | if (nsURI.equals(uri) && nsPrefix.equals(prefix)) { |
524 | 0 | writeElementNS = false; |
525 | |
} |
526 | |
} |
527 | |
|
528 | |
|
529 | |
|
530 | |
|
531 | 0 | if (writeElementNS) { |
532 | 0 | if (prefix.length() == 0) { |
533 | 0 | writer.writeDefaultNamespace(uri); |
534 | |
} else { |
535 | 0 | writer.writeNamespace(prefix, uri); |
536 | |
} |
537 | |
} |
538 | |
|
539 | |
|
540 | 0 | for (int i = 0; i < reader.getAttributeCount(); i++) { |
541 | 0 | String ns = reader.getAttributeNamespace(i); |
542 | 0 | String nsPrefix = reader.getAttributePrefix(i); |
543 | 0 | if (ns == null || ns.length() == 0) { |
544 | 0 | writer.writeAttribute(reader.getAttributeLocalName(i), reader.getAttributeValue(i)); |
545 | 0 | } else if (nsPrefix == null || nsPrefix.length() == 0) { |
546 | 0 | writer.writeAttribute(reader.getAttributeNamespace(i), reader.getAttributeLocalName(i), |
547 | |
reader.getAttributeValue(i)); |
548 | |
} else { |
549 | 0 | writer.writeAttribute(reader.getAttributePrefix(i), reader.getAttributeNamespace(i), reader |
550 | |
.getAttributeLocalName(i), reader.getAttributeValue(i)); |
551 | |
} |
552 | |
|
553 | |
} |
554 | 0 | } |
555 | |
|
556 | |
|
557 | |
|
558 | |
|
559 | |
|
560 | |
|
561 | |
private static XPath createXPath(Node node) |
562 | |
{ |
563 | 0 | XPath xp = XPathFactory.newInstance().newXPath(); |
564 | 0 | if (node instanceof Document) |
565 | |
{ |
566 | 0 | xp.setNamespaceContext(new XPathNamespaceContext((Document) node)); |
567 | |
} |
568 | 0 | return xp; |
569 | |
} |
570 | |
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571 | |
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572 | |
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573 | |
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574 | |
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575 | |
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576 | |
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577 | |
|
578 | |
public static Node selectOne(String xpath, Node node) throws XPathExpressionException |
579 | |
{ |
580 | 0 | XPath xp = createXPath(node); |
581 | 0 | return (Node) xp.evaluate(xpath, node, XPathConstants.NODE); |
582 | |
} |
583 | |
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584 | |
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585 | |
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586 | |
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587 | |
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588 | |
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589 | |
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590 | |
|
591 | |
public static String selectValue(String xpath, Node node) throws XPathExpressionException |
592 | |
{ |
593 | 0 | XPath xp = createXPath(node); |
594 | 0 | return (String) xp.evaluate(xpath, node, XPathConstants.STRING); |
595 | |
} |
596 | |
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597 | |
|
598 | |
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599 | |
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600 | |
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601 | |
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602 | |
|
603 | |
|
604 | |
public static List<Node> select(String xpath, Node node) throws XPathExpressionException |
605 | |
{ |
606 | 0 | XPath xp = createXPath(node); |
607 | 0 | NodeList nl = (NodeList) xp.evaluate(xpath, node, XPathConstants.NODESET); |
608 | 0 | List<Node> nodeList = new ArrayList<Node>(nl.getLength()); |
609 | 0 | for (int i = 0; i < nl.getLength(); i++) |
610 | |
{ |
611 | 0 | nodeList.add(nl.item(i)); |
612 | |
} |
613 | 0 | return nodeList; |
614 | |
} |
615 | |
|
616 | |
|
617 | |
|
618 | |
|
619 | |
|
620 | |
|
621 | |
|
622 | 0 | private static class XPathNamespaceContext implements NamespaceContext |
623 | |
{ |
624 | |
private Document document; |
625 | |
|
626 | |
public XPathNamespaceContext(Document document) |
627 | 0 | { |
628 | 0 | this.document = document; |
629 | 0 | } |
630 | |
|
631 | |
public String getNamespaceURI(String prefix) |
632 | |
{ |
633 | 0 | if (prefix == null || prefix.equals("")) |
634 | |
{ |
635 | 0 | return document.getDocumentElement().getNamespaceURI(); |
636 | |
} |
637 | |
else |
638 | |
{ |
639 | 0 | return document.lookupNamespaceURI(prefix); |
640 | |
} |
641 | |
} |
642 | |
|
643 | |
public String getPrefix(String namespaceURI) |
644 | |
{ |
645 | 0 | return document.lookupPrefix(namespaceURI); |
646 | |
} |
647 | |
|
648 | |
public Iterator<String> getPrefixes(String namespaceURI) |
649 | |
{ |
650 | 0 | List<String> list = new ArrayList<String>(); |
651 | 0 | list.add(getPrefix(namespaceURI)); |
652 | 0 | return list.iterator(); |
653 | |
} |
654 | |
} |
655 | |
} |