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package test.saxon.streaming.transformerhandler;
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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_FILE = "C://swdtools/delete_later/forwarding.xml";
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private static final int NUM_ROWS = 1000;
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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 Transformer mainTransformer;
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private static SAXSource saxSource;
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private static SAXResult transformedResultForwarder;
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private static void forwardingHandlerTransform() throws TransformerException, FileNotFoundException
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{
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final String newXslt = strXslt.replace("x-", "y-").replace("\"name\"", "\"x-name\"").replace("\"id\"", "\"x-id\"");
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final Transformer transformer = getTransformer(newXslt);
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//Result result = new StreamResult(System.out);
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StreamResult streamResult = new StreamResult(new NonCloseFileOutputStream(new File(RESULT_FILE)));
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Runnable runPrimaryTransform = new Runnable()
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{
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@Override
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public void run()
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{
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try
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{
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mainTransformer.transform(saxSource, transformedResultForwarder);
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} catch (TransformerException e)
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{
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throw new RuntimeException(e);
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}
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}
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};
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ContentHandlerForwarder contentHandlerForwarder = new ContentHandlerForwarder(transformer, streamResult, runPrimaryTransform);
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transformedResultForwarder = new SAXResult(contentHandlerForwarder);
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saxSource = new SAXSource(new RowXMLReader(NUM_ROWS), null);
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mainTransformer = getTransformer(strXslt);
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contentHandlerForwarder.initiateTransformAssignReceivingContentHandler();
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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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