List of usage examples for javax.xml.transform.sax SAXTransformerFactory newXMLFilter
public abstract XMLFilter newXMLFilter(Templates templates) throws TransformerConfigurationException;
From source file:UseXMLFilters.java
public static void main(String[] args) throws TransformerException, TransformerConfigurationException, SAXException, IOException { // Instantiate a TransformerFactory. TransformerFactory tFactory = TransformerFactory.newInstance(); // Determine whether the TransformerFactory supports The use uf SAXSource // and SAXResult if (tFactory.getFeature(SAXSource.FEATURE) && tFactory.getFeature(SAXResult.FEATURE)) { // Cast the TransformerFactory to SAXTransformerFactory. SAXTransformerFactory saxTFactory = ((SAXTransformerFactory) tFactory); // Create an XMLFilter for each stylesheet. XMLFilter xmlFilter1 = saxTFactory.newXMLFilter(new StreamSource("foo1.xsl")); XMLFilter xmlFilter2 = saxTFactory.newXMLFilter(new StreamSource("foo2.xsl")); XMLFilter xmlFilter3 = saxTFactory.newXMLFilter(new StreamSource("foo3.xsl")); // Create an XMLReader. XMLReader reader = XMLReaderFactory.createXMLReader(); // xmlFilter1 uses the XMLReader as its reader. xmlFilter1.setParent(reader);//from w ww .j av a 2 s. c om // xmlFilter2 uses xmlFilter1 as its reader. xmlFilter2.setParent(xmlFilter1); // xmlFilter3 uses xmlFilter2 as its reader. xmlFilter3.setParent(xmlFilter2); // xmlFilter3 outputs SAX events to the serializer. java.util.Properties xmlProps = OutputPropertiesFactory.getDefaultMethodProperties("xml"); xmlProps.setProperty("indent", "yes"); xmlProps.setProperty("standalone", "no"); Serializer serializer = SerializerFactory.getSerializer(xmlProps); serializer.setOutputStream(System.out); xmlFilter3.setContentHandler(serializer.asContentHandler()); // Perform the series of transformations as follows: // - transformer3 gets its parent (transformer2) as the XMLReader/XMLFilter // and calls transformer2.parse(new InputSource("foo.xml")). // - transformer2 gets its parent (transformer1) as the XMLReader/XMLFilter // and calls transformer1.parse(new InputSource("foo.xml")). // - transformer1 gets its parent (reader, a SAXParser) as the XMLReader // and calls reader.parse(new InputSource("foo.xml")). // - reader parses the XML document and sends the SAX parse events to transformer1, // which performs transformation 1 and sends the output to transformer2. // - transformer2 parses the transformation 1 output, performs transformation 2, and // sends the output to transformer3. // - transformer3 parses the transformation 2 output, performs transformation 3, // and sends the output to the serializer. xmlFilter3.parse(new InputSource("foo.xml")); } }
From source file:info.magnolia.importexport.DataTransporter.java
/** * Imports XML stream into repository./*from w ww . j a v a2s .c o m*/ * XML is filtered by <code>MagnoliaV2Filter</code>, <code>VersionFilter</code> and <code>ImportXmlRootFilter</code> * if <code>keepVersionHistory</code> is set to <code>false</code> * @param xmlStream XML stream to import * @param repositoryName selected repository * @param basepath base path in repository * @param name (absolute path of <code>File</code>) * @param keepVersionHistory if <code>false</code> version info will be stripped before importing the document * @param importMode a valid value for ImportUUIDBehavior * @param saveAfterImport * @param createBasepathIfNotExist * @throws IOException * @see ImportUUIDBehavior * @see ImportXmlRootFilter * @see VersionFilter * @see MagnoliaV2Filter */ public static synchronized void importXmlStream(InputStream xmlStream, String repositoryName, String basepath, String name, boolean keepVersionHistory, int importMode, boolean saveAfterImport, boolean createBasepathIfNotExist) throws IOException { // TODO hopefully this will be fixed with a more useful message with the Bootstrapper refactoring if (xmlStream == null) { throw new IOException("Can't import a null stream into repository: " + repositoryName + ", basepath: " + basepath + ", name: " + name); } HierarchyManager hm = MgnlContext.getHierarchyManager(repositoryName); if (hm == null) { throw new IllegalStateException( "Can't import " + name + " since repository " + repositoryName + " does not exist."); } Workspace ws = hm.getWorkspace(); if (log.isDebugEnabled()) { log.debug("Importing content into repository: [{}] from: [{}] into path: [{}]", new Object[] { repositoryName, name, basepath }); } if (!hm.isExist(basepath) && createBasepathIfNotExist) { try { ContentUtil.createPath(hm, basepath, ItemType.CONTENT); } catch (RepositoryException e) { log.error("can't create path [{}]", basepath); } } Session session = ws.getSession(); try { // Collects a list with all nodes at the basepath before import so we can see exactly which nodes were imported afterwards List<Node> nodesBeforeImport = NodeUtil .asList(NodeUtil.asIterable(session.getNode(basepath).getNodes())); if (keepVersionHistory) { // do not manipulate session.importXML(basepath, xmlStream, importMode); } else { // create readers/filters and chain XMLReader initialReader = XMLReaderFactory .createXMLReader(org.apache.xerces.parsers.SAXParser.class.getName()); try { initialReader.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true); } catch (SAXException e) { log.error("could not set parser feature"); } XMLFilter magnoliaV2Filter = null; // if stream is from regular file, test for belonging XSL file to apply XSL transformation to XML if (new File(name).isFile()) { InputStream xslStream = getXslStreamForXmlFile(new File(name)); if (xslStream != null) { Source xslSource = new StreamSource(xslStream); SAXTransformerFactory saxTransformerFactory = (SAXTransformerFactory) SAXTransformerFactory .newInstance(); XMLFilter xslFilter = saxTransformerFactory.newXMLFilter(xslSource); magnoliaV2Filter = new MagnoliaV2Filter(xslFilter); } } if (magnoliaV2Filter == null) { magnoliaV2Filter = new MagnoliaV2Filter(initialReader); } XMLFilter versionFilter = new VersionFilter(magnoliaV2Filter); // enable this to strip useless "name" properties from dialogs // versionFilter = new UselessNameFilter(versionFilter); // enable this to strip mix:versionable from pre 3.6 xml files versionFilter = new RemoveMixversionableFilter(versionFilter); XMLReader finalReader = new ImportXmlRootFilter(versionFilter); ContentHandler handler = session.getImportContentHandler(basepath, importMode); finalReader.setContentHandler(handler); // parse XML, import is done by handler from session try { finalReader.parse(new InputSource(xmlStream)); } finally { IOUtils.closeQuietly(xmlStream); } if (((ImportXmlRootFilter) finalReader).rootNodeFound) { String path = basepath; if (!path.endsWith(SLASH)) { path += SLASH; } Node dummyRoot = (Node) session.getItem(path + JCR_ROOT); for (Iterator iter = dummyRoot.getNodes(); iter.hasNext();) { Node child = (Node) iter.next(); // move childs to real root if (session.itemExists(path + child.getName())) { session.getItem(path + child.getName()).remove(); } session.move(child.getPath(), path + child.getName()); } // delete the dummy node dummyRoot.remove(); } // Post process all nodes that were imported NodeIterator nodesAfterImport = session.getNode(basepath).getNodes(); while (nodesAfterImport.hasNext()) { Node nodeAfterImport = nodesAfterImport.nextNode(); boolean existedBeforeImport = false; for (Node nodeBeforeImport : nodesBeforeImport) { if (NodeUtil.isSame(nodeAfterImport, nodeBeforeImport)) { existedBeforeImport = true; break; } } if (!existedBeforeImport) { postProcessAfterImport(nodeAfterImport); } } } } catch (Exception e) { throw new RuntimeException("Error importing " + name + ": " + e.getMessage(), e); } finally { IOUtils.closeQuietly(xmlStream); } try { if (saveAfterImport) { session.save(); } } catch (RepositoryException e) { log.error(MessageFormat.format( "Unable to save changes to the [{0}] repository due to a {1} Exception: {2}.", new Object[] { repositoryName, e.getClass().getName(), e.getMessage() }), e); throw new IOException(e.getMessage()); } }
From source file:Examples.java
/** * This example shows how to chain events from one Transformer * to another transformer, using the Transformer as a * SAX2 XMLFilter/XMLReader.//from w ww . ja v a 2 s . co m */ public static void exampleXMLFilterChain(String sourceID, String xslID_1, String xslID_2, String xslID_3) throws TransformerException, TransformerConfigurationException, SAXException, IOException { TransformerFactory tfactory = TransformerFactory.newInstance(); Templates stylesheet1 = tfactory.newTemplates(new StreamSource(xslID_1)); Transformer transformer1 = stylesheet1.newTransformer(); // If one success, assume all will succeed. if (tfactory.getFeature(SAXSource.FEATURE)) { SAXTransformerFactory stf = (SAXTransformerFactory) tfactory; XMLReader reader = null; // Use JAXP1.1 ( if possible ) try { javax.xml.parsers.SAXParserFactory factory = javax.xml.parsers.SAXParserFactory.newInstance(); factory.setNamespaceAware(true); javax.xml.parsers.SAXParser jaxpParser = factory.newSAXParser(); reader = jaxpParser.getXMLReader(); } catch (javax.xml.parsers.ParserConfigurationException ex) { throw new org.xml.sax.SAXException(ex); } catch (javax.xml.parsers.FactoryConfigurationError ex1) { throw new org.xml.sax.SAXException(ex1.toString()); } catch (NoSuchMethodError ex2) { } if (reader == null) reader = XMLReaderFactory.createXMLReader(); XMLFilter filter1 = stf.newXMLFilter(new StreamSource(xslID_1)); XMLFilter filter2 = stf.newXMLFilter(new StreamSource(xslID_2)); XMLFilter filter3 = stf.newXMLFilter(new StreamSource(xslID_3)); if (null != filter1) // If one success, assume all were success. { // transformer1 will use a SAX parser as it's reader. filter1.setParent(reader); // transformer2 will use transformer1 as it's reader. filter2.setParent(filter1); // transform3 will use transform2 as it's reader. filter3.setParent(filter2); filter3.setContentHandler(new ExampleContentHandler()); // filter3.setContentHandler(new org.xml.sax.helpers.DefaultHandler()); // Now, when you call transformer3 to parse, it will set // itself as the ContentHandler for transform2, and // call transform2.parse, which will set itself as the // content handler for transform1, and call transform1.parse, // which will set itself as the content listener for the // SAX parser, and call parser.parse(new InputSource("xml/foo.xml")). filter3.parse(new InputSource(sourceID)); } else { System.out.println("Can't do exampleXMLFilter because " + "tfactory doesn't support asXMLFilter()"); } } else { System.out.println("Can't do exampleXMLFilter because " + "tfactory is not a SAXTransformerFactory"); } }