| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| /* |
| * $Id$ |
| */ |
| |
| import java.io.IOException; |
| |
| import javax.xml.transform.TransformerConfigurationException; |
| import javax.xml.transform.TransformerException; |
| import javax.xml.transform.TransformerFactory; |
| import javax.xml.transform.sax.SAXResult; |
| import javax.xml.transform.sax.SAXSource; |
| import javax.xml.transform.sax.SAXTransformerFactory; |
| import javax.xml.transform.sax.TransformerHandler; |
| import javax.xml.transform.stream.StreamSource; |
| |
| import org.apache.xml.serializer.Serializer; |
| import org.apache.xml.serializer.SerializerFactory; |
| import org.apache.xml.serializer.OutputPropertiesFactory; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.XMLReader; |
| import org.xml.sax.helpers.XMLReaderFactory; |
| |
| /** |
| * This example shows how to chain a series of transformations by |
| * piping SAX events from one Transformer to another. Each Transformer |
| * operates as a SAX2 XMLFilter/XMLReader. |
| */ |
| public class Pipe |
| { |
| 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 a TransformerHandler for each stylesheet. |
| TransformerHandler tHandler1 = saxTFactory.newTransformerHandler(new StreamSource("foo1.xsl")); |
| TransformerHandler tHandler2 = saxTFactory.newTransformerHandler(new StreamSource("foo2.xsl")); |
| TransformerHandler tHandler3 = saxTFactory.newTransformerHandler(new StreamSource("foo3.xsl")); |
| |
| // Create an XMLReader. |
| XMLReader reader = XMLReaderFactory.createXMLReader(); |
| reader.setContentHandler(tHandler1); |
| reader.setProperty("http://xml.org/sax/properties/lexical-handler", tHandler1); |
| |
| tHandler1.setResult(new SAXResult(tHandler2)); |
| tHandler2.setResult(new SAXResult(tHandler3)); |
| |
| // transformer3 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); |
| tHandler3.setResult(new SAXResult(serializer.asContentHandler())); |
| |
| // Parse the XML input document. The input ContentHandler and output ContentHandler |
| // work in separate threads to optimize performance. |
| reader.parse("foo.xml"); |
| } |
| } |
| } |