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import javax.xml.transform.ErrorListener;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
public class SimpleXMLTransform {
static public void main(String[] arg) {
if(arg.length != 3) {
System.err.println("Usage: SimpleXMLTransform " +
"<input.xml> <input.xsl> <output>");
System.exit(1);
}
String inXML = arg[0];
String inXSL = arg[1];
String outTXT = arg[2];
SimpleXMLTransform st = new SimpleXMLTransform();
try {
st.transform(inXML,inXSL,outTXT);
} catch(TransformerConfigurationException e) {
System.err.println("Invalid factory configuration");
System.err.println(e);
} catch(TransformerException e) {
System.err.println("Error during transformation");
System.err.println(e);
}
}
public void transform(String inXML,String inXSL,String outTXT)
throws TransformerConfigurationException,
TransformerException {
TransformerFactory factory = TransformerFactory.newInstance();
StreamSource xslStream = new StreamSource(inXSL);
Transformer transformer = factory.newTransformer(xslStream);
transformer.setErrorListener(new MyErrorListener());
StreamSource in = new StreamSource(inXML);
StreamResult out = new StreamResult(outTXT);
transformer.transform(in,out);
}
}
class MyErrorListener implements ErrorListener {
public void warning(TransformerException e)
throws TransformerException {
show("Warning",e);
throw(e);
}
public void error(TransformerException e)
throws TransformerException {
show("Error",e);
throw(e);
}
public void fatalError(TransformerException e)
throws TransformerException {
show("Fatal Error",e);
throw(e);
}
private void show(String type,TransformerException e) {
System.out.println(type + ": " + e.getMessage());
if(e.getLocationAsString() != null)
System.out.println(e.getLocationAsString());
}
}
/*
The Basic Form of an XSL Stylesheet Document
<?xml version="1.0"?>
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:template match="/">
Ignore the input and output this line.
</xsl:template>
</xsl:stylesheet>
<!-- XML document-->
<folks>
<person>
<name>Jack Lee</name>
<phone>555-3333</phone>
</person>
</folks>
*/
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