XML stream transform : XMLStreamReader « XML « Java

1. Java
2. XML
3. XMLStreamReader

XML stream transform

 
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import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.InputStream;
import java.io.OutputStream;

import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLOutputFactory;

/**
 * Padmaja Vedula
 */

public class StreamSrcStAXRst {

  static String fileName;

  public static void main(String[] args) {
    if (args.length != 3) {
      System.out.println("Usage: java " + StreamSrcStAXRst.class.getName()
          + " <XML that needs to be transformed>" + " <XSLT file>" + " <Output file>");
      System.exit(1);
    }
    try {
      transform(args);
    } catch (Exception e) {
      e.printStackTrace();
      System.exit(1);
    }
  }

  private static void transform(String[] args) throws Exception {
    fileName = args[2].toString();
    FileInputStream xmlIn = new FileInputStream(args[0]);
    FileInputStream xsltIn = new FileInputStream(args[1]);
    FileOutputStream out = new FileOutputStream(args[2]);
    transform(xmlIn, xsltIn, out);
  }

  public static void transform(InputStream xmlIn, InputStream xsltIn, OutputStream out)
      throws Exception {
    javax.xml.transform.Source xmlSource = new javax.xml.transform.stream.StreamSource(xmlIn);
    javax.xml.transform.Result xmlResult = new javax.xml.transform.stax.StAXResult(XMLOutputFactory
        .newInstance().createXMLStreamWriter(new FileWriter(fileName)));

    javax.xml.transform.Source xsltSource = new javax.xml.transform.stream.StreamSource(xsltIn);
    javax.xml.transform.Source source = new javax.xml.transform.stream.StreamSource(xmlIn);

    // create an instance of TransformerFactory
    javax.xml.transform.TransformerFactory transFact = javax.xml.transform.TransformerFactory
        .newInstance();
    transFact.setAttribute("debug", new String("true"));
    transFact.setAttribute("translet-name", new String("suresh"));
    transFact.setAttribute("generate-translet", new String("true"));
    transFact.setAttribute("jar-name", new String("transletjar"));

    javax.xml.transform.Transformer trans = transFact.newTransformer(xsltSource);

    trans.transform(source, xmlResult);
  }

  private static XMLEventReader getXMLEventReader(String filename) {

    XMLInputFactory xmlif = null;
    XMLEventReader xmlr = null;
    try {
      xmlif = XMLInputFactory.newInstance();
      xmlif.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, Boolean.TRUE);
      xmlif.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, Boolean.FALSE);
      xmlif.setProperty(XMLInputFactory.IS_NAMESPACE_AWARE, Boolean.TRUE);
      xmlif.setProperty(XMLInputFactory.IS_COALESCING, Boolean.TRUE);

      FileInputStream fis = new FileInputStream(filename);
      xmlr = xmlif.createXMLEventReader(filename, fis);
    } catch (Exception ex) {
      ex.printStackTrace();
    }
    return xmlr;
  }
}

   
  

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