001 /**
002 * Copyright 2005-2011 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016 package org.kuali.rice.kew.transformation;
017
018 import java.io.FileOutputStream;
019
020 import javax.xml.transform.TransformerFactory;
021 import javax.xml.transform.URIResolver;
022 import javax.xml.transform.sax.SAXResult;
023 import javax.xml.transform.sax.SAXSource;
024 import javax.xml.transform.sax.SAXTransformerFactory;
025 import javax.xml.transform.sax.TransformerHandler;
026 import javax.xml.transform.stream.StreamSource;
027
028 import org.apache.xml.serializer.OutputPropertiesFactory;
029 import org.apache.xml.serializer.Serializer;
030 import org.apache.xml.serializer.SerializerFactory;
031 import org.junit.Test;
032 import org.kuali.rice.kew.test.KEWTestCase;
033 import org.xml.sax.InputSource;
034 import org.xml.sax.XMLReader;
035 import org.xml.sax.helpers.XMLReaderFactory;
036
037 public class PipeTransformationTest extends KEWTestCase {
038
039 @Test public void testPipeUsingTemplate(){
040 try{
041 // Instantiate a TransformerFactory.
042 TransformerFactory tFactory = TransformerFactory.newInstance();
043 // Determine whether the TransformerFactory supports The use uf SAXSource
044 // and SAXResult
045 if (tFactory.getFeature(SAXSource.FEATURE) && tFactory.getFeature(SAXResult.FEATURE)){
046 // Cast the TransformerFactory to SAXTransformerFactory.
047 SAXTransformerFactory saxTFactory = ((SAXTransformerFactory) tFactory);
048 // Get Relevant StyleSheets
049 URIResolver resolver = new WidgetURITestResolver();
050 saxTFactory.setURIResolver(resolver);
051
052 /*
053 Document edlStyle,templateStyle;
054 edlStyle=XMLUtil.parseInputStream(PipeTransformationTest.class.getResourceAsStream("StudentInitiatedDrop_Style_pipeTest.xml"));
055 // Get Template Name
056 XPathFactory xPathFactory=XPathFactory.newInstance();
057 XPath xPath=xPathFactory.newXPath();
058 Node node=(Node)xPath.evaluate("//use[0]",edlStyle,XPathConstants.NODE);
059 //Node node=nodes.item(0);
060 if(node!=null){
061 if(node.hasAttributes()){
062 Node testAttri=node.getAttributes().getNamedItem("name");
063 if(testAttri!=null){
064 templateName=testAttri.getNodeValue();
065 }else{
066 //set default template as widgets
067 templateName="widgets";
068 }
069 }
070 }
071
072 System.out.println(templateName);
073 */
074 //templateStyle=XMLUtil.parseInputStream(PipeTransformationTest.class.getResourceAsStream("widgets_pipeTest.xml"));
075 // Create a TransformerHandler for each stylesheet.
076 TransformerHandler tHandler1 = saxTFactory.newTransformerHandler(new StreamSource(PipeTransformationTest.class.getResourceAsStream("StudentInitiatedDrop_Style_pipeTest.xml")));
077 // TransformerHandler tHandler2 = saxTFactory.newTransformerHandler(new StreamSource(PipeTransformationTest.class.getResourceAsStream("trans.xml")));
078 //TransformerHandler tHandler3 = saxTFactory.newTransformerHandler(new StreamSource("foo3.xsl"));
079
080 // Create an XMLReader.
081 XMLReader reader = XMLReaderFactory.createXMLReader();
082 reader.setContentHandler(tHandler1);
083 reader.setProperty("http://xml.org/sax/properties/lexical-handler", tHandler1);
084
085 //tHandler1.setResult(new SAXResult(tHandler2));
086 //tHandler2.setResult(new SAXResult(tHandler3));
087
088 // transformer3 outputs SAX events to the serializer.
089 java.util.Properties xmlProps = OutputPropertiesFactory.getDefaultMethodProperties("xml");
090 xmlProps.setProperty("indent", "yes");
091 xmlProps.setProperty("standalone", "no");
092 Serializer serializer = SerializerFactory.getSerializer(xmlProps);
093 FileOutputStream transformedXML=new FileOutputStream("c://file.xml");
094 serializer.setOutputStream(transformedXML);
095 tHandler1.setResult(new SAXResult(serializer.asContentHandler()));
096
097 // Parse the XML input document. The input ContentHandler and output ContentHandler
098 // work in separate threads to optimize performance.
099 reader.parse(new InputSource(PipeTransformationTest.class.getResourceAsStream("StudentInitiatedDrop.xml")));
100 }
101
102 }catch(Exception ex){
103 ex.printStackTrace();
104 }
105 }
106
107
108 }