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package test.saxon.streaming.transformerhandler;
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import com.hsbc.dsl.dob.tdcf.strm.utils.StrmUtils;
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import com.saxonica.config.EnterpriseConfiguration;
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import com.saxonica.config.StreamingTransformerFactory;
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import javax.xml.transform.*;
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import javax.xml.transform.sax.SAXResult;
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import javax.xml.transform.sax.SAXSource;
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import javax.xml.transform.stream.StreamResult;
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import javax.xml.transform.stream.StreamSource;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.StringReader;
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public class Program
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{
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private static final String strXslt =
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"<xsl:stylesheet version=\"3.0\" xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\" >\n" +
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" <xsl:output method=\"xml\" version=\"1.0\" encoding=\"UTF-8\" indent=\"yes\"/>\n" +
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" <xsl:mode streamable=\"yes\" on-no-match=\"shallow-skip\"/>\n" +
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" <xsl:mode name=\"row\" streamable=\"no\"/>\n" +
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"\n" +
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" <xsl:template match=\"/\">\n" +
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" <rows>\n" +
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" <xsl:apply-templates select=\"copy-of(rows/row)\" mode=\"row\"/>\n" +
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" </rows>\n" +
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" </xsl:template>\n" +
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"\n" +
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" <xsl:template match=\"row\" mode=\"row\">\n" +
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" <row>\n" +
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" <x-name><xsl:value-of select=\"name\"/></x-name>\n" +
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" <x-id><xsl:value-of select=\"id\"/></x-id>\n" +
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" </row>\n" +
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" </xsl:template>\n" +
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"\n" +
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"</xsl:stylesheet>";
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//private static final int NUM_ROWS = 1;
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private static final String RESULT_FILE1 = "C://swdtools/delete_later/fork1.xml";
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private static final String RESULT_FILE2 = "C://swdtools/delete_later/fork2.xml";
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private static final String RESULT_FILE3 = "C://swdtools/delete_later/fork3.xml";
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private static final int NUM_ROWS = 10;
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public static void main(String[] args) throws TransformerException, FileNotFoundException
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{
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//straightTransform();
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forwardingHandlerTransform();
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}
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private static void straightTransform() throws TransformerException
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{
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SAXSource saxSource = new SAXSource(new RowXMLReader(NUM_ROWS), null);
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Result result = new StreamResult(System.out);
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getTransformer(strXslt).transform(saxSource, result);
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}
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private static void forwardingHandlerTransform() throws TransformerException, FileNotFoundException
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{
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final String newXslt1 = strXslt.replace("x-", "y-").replace("\"name\"", "\"x-name\"").replace("\"id\"", "\"x-id\"");
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final String newXslt3 = strXslt.replace("x-", "z-").replace("\"name\"", "\"x-name\"").replace("\"id\"", "\"x-id\"");
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final Transformer forkingTransformer1 = getTransformer(newXslt1);
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final Transformer forkingTransformer2 = StrmUtils.getIdentityTransformer();
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final Transformer forkingTransformer3 = getTransformer(newXslt3);
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Transformer mainTransformer = getTransformer(strXslt);
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SAXSource mainSource = new SAXSource(new RowXMLReader(NUM_ROWS), null);
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Transformation forkingTransformation1 = new Transformation(forkingTransformer1, new StreamResult(new File(RESULT_FILE1)));
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Transformation forkingTransformation2 = new Transformation(forkingTransformer2, new StreamResult(new File(RESULT_FILE2)));
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Transformation forkingTransformation3 = new Transformation(forkingTransformer3, new StreamResult(new File(RESULT_FILE3)));
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ContentHandlerForwarder.forkResult(mainTransformer, mainSource, forkingTransformation1, forkingTransformation2, forkingTransformation3);
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}
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private static Transformer getTransformer(String stringXslt) throws TransformerConfigurationException
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{
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final StreamingTransformerFactory transformerFactory = new StreamingTransformerFactory(new EnterpriseConfiguration());
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return transformerFactory.newTransformer(new StreamSource(new StringReader(stringXslt)));
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}
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}
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