List of usage examples for javax.xml.validation SchemaFactory newInstance
public static SchemaFactory newInstance(String schemaLanguage, String factoryClassName, ClassLoader classLoader)
From source file:com.silverpeas.importExport.control.ImportExport.java
/** * Mthode retournant l'arbre des objets mapps sur le fichier xml pass en paramtre. * * @param xmlFileName le fichier xml interprt par Castor * @return Un objet SilverPeasExchangeType contenant le mapping d'un fichier XML Castor * @throws ImportExportException/* w w w . j a v a2s .com*/ */ SilverPeasExchangeType loadSilverpeasExchange(String xmlFileName) throws ImportExportException { SilverTrace.debug("importExport", "ImportExportSessionController.loadSilverpeasExchange", "root.MSG_GEN_ENTER_METHOD", "xmlFileName = " + xmlFileName); try { InputSource xmlInputSource = new InputSource(xmlFileName); String xsdPublicId = settings.getString("xsdPublicId"); String xsdSystemId = settings.getString("xsdDefaultSystemId"); // Load and parse default XML schema for import/export SchemaFactory schemaFactory = SchemaFactory.newInstance("http://www.w3.org/2001/XMLSchema", "com.sun.org.apache.xerces.internal.jaxp.validation.XMLSchemaFactory", null); Schema schema = schemaFactory.newSchema(new StreamSource(xsdSystemId)); // Create an XML parser for loading XML import file SAXParserFactory factory = SAXParserFactory .newInstance("com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl", null); factory.setValidating(false); factory.setNamespaceAware(true); factory.setSchema(schema); SAXParser parser = factory.newSAXParser(); // First try to determine to load the XML file using the default // XML-Schema ImportExportErrorHandler errorHandler = new ImportExportErrorHandler(); XMLReader xmlReader = parser.getXMLReader(); xmlReader.setErrorHandler(errorHandler); try { xmlReader.parse(xmlInputSource); } catch (SAXException ex) { SilverTrace.debug("importExport", "ImportExportSessionController.loadSilverpeasExchange", "root.MSG_GEN_PARAM_VALUE", (new StringBuilder("XML File ")).append(xmlFileName) .append(" is not valid according to default schema").toString()); // If case the default schema is not the one specified by the // XML import file, try to get the right XML-schema and // namespace (this is done by parsing without validation) ImportExportNamespaceHandler nsHandler = new ImportExportNamespaceHandler(); factory.setSchema(null); parser = factory.newSAXParser(); xmlReader = parser.getXMLReader(); xmlReader.setContentHandler(nsHandler); xmlReader.setFeature("http://xml.org/sax/features/namespace-prefixes", true); xmlReader.parse(xmlInputSource); // If OK, extract the name and location of the schema String nsSpec = nsHandler.getNsSpec(); if (nsSpec == null || xsdPublicId.equals(nsSpec)) { throw ex; } String nsVersion = extractUriNameIndex(nsSpec); if (nsVersion.length() == 0) { throw ex; } String altXsdSystemId = settings.getStringWithParam("xsdSystemId", nsVersion); if ((altXsdSystemId == null) || (altXsdSystemId.equals(xsdSystemId))) { throw ex; } SilverTrace.debug("importExport", "ImportExportSessionController.loadSilverpeasExchange", "root.MSG_GEN_PARAM_VALUE", (new StringBuilder("Trying again using schema specification located at ")) .append(altXsdSystemId).toString()); // Try again to load, parse and validate the XML import file, // using the new schema specification schema = schemaFactory.newSchema(new StreamSource(altXsdSystemId)); factory.setSchema(schema); parser = factory.newSAXParser(); xmlReader = parser.getXMLReader(); xmlReader.setErrorHandler(errorHandler); xmlReader.parse(xmlInputSource); } SilverTrace.debug("importExport", "ImportExportSessionController.loadSilverpeasExchange", "root.MSG_GEN_PARAM_VALUE", "XML Validation complete"); // Mapping file for Castor String mappingDir = settings.getString("mappingDir"); String mappingFileName = settings.getString("importExportMapping"); String mappingFile = mappingDir + mappingFileName; Mapping mapping = new Mapping(); // Load mapping and instantiate a Unmarshaller mapping.loadMapping(mappingFile); Unmarshaller unmar = new Unmarshaller(SilverPeasExchangeType.class); unmar.setMapping(mapping); unmar.setValidation(false); // Unmarshall the process model SilverPeasExchangeType silverpeasExchange = (SilverPeasExchangeType) unmar.unmarshal(xmlInputSource); SilverTrace.debug("importExport", "ImportExportSessionController.loadSilverpeasExchange", "root.MSG_GEN_PARAM_VALUE", "Unmarshalling complete"); return silverpeasExchange; } catch (MappingException me) { throw new ImportExportException("ImportExport.loadSilverpeasExchange", "importExport.EX_LOADING_XML_MAPPING_FAILED", "XML Filename " + xmlFileName + ": " + me.getLocalizedMessage(), me); } catch (MarshalException me) { throw new ImportExportException("ImportExport.loadSilverpeasExchange", "importExport.EX_UNMARSHALLING_FAILED", "XML Filename " + xmlFileName + ": " + me.getLocalizedMessage(), me); } catch (ValidationException ve) { throw new ImportExportException("ImportExport.loadSilverpeasExchange", "importExport.EX_PARSING_FAILED", "XML Filename " + xmlFileName + ": " + ve.getLocalizedMessage(), ve); } catch (IOException ioe) { throw new ImportExportException("ImportExport.loadSilverpeasExchange", "importExport.EX_LOADING_XML_MAPPING_FAILED", "XML Filename " + xmlFileName + ": " + ioe.getLocalizedMessage(), ioe); } catch (ParserConfigurationException ex) { throw new ImportExportException("ImportExport.loadSilverpeasExchange", "importExport.EX_PARSING_FAILED", "XML Filename " + xmlFileName + ": " + ex.getLocalizedMessage(), ex); } catch (SAXNotRecognizedException snre) { throw new ImportExportException("ImportExport.loadSilverpeasExchange", "importExport.EX_PARSING_FAILED", "XML Filename " + xmlFileName + ": " + snre.getLocalizedMessage(), snre); } catch (SAXNotSupportedException snse) { throw new ImportExportException("ImportExport.loadSilverpeasExchange", "importExport.EX_PARSING_FAILED", "XML Filename " + xmlFileName + ": " + snse.getLocalizedMessage(), snse); } catch (SAXException se) { throw new ImportExportException("ImportExport.loadSilverpeasExchange", "importExport.EX_PARSING_FAILED", "XML Filename " + xmlFileName + ": " + se.getLocalizedMessage(), se); } }