[jdom-interest] Help Needed with JDOM

[Anand, Rajesh]

	Hi Folks,

	I'm trying to parse and validate a xml document but I get the
following error...

	java.net.MalformedURLException: null:
java.lang.NullPointerException 

	Here is the copy of my source ValidDocument....

	import java.io.File;
	import java.io.FileInputStream;
	import java.io.*;
	import java.io.InputStream;

	import org.jdom.*;
	import org.jdom.Document;
	import org.jdom.JDOMException;

	import org.jdom.transform.*;
	import org.jdom.contrib.input.*;
	import org.jdom.output.*;
	import org.jdom.input.*;

/**
 * Class ValidDocument provides an XML document validated agains the
schema.
 * @author Rajesh Anand
 */
	public class ValidDocument {

	

    	public static Document build(InputStream xmlFile, String
xmlSchema)
	
        	throws JDOMException, IOException {
	Document doc1 = null;	

        // Create new SAXBuilder, using default parser
        	SAXBuilder builder = new
SAXBuilder("org.apache.xerces.parsers.SAXParser", true);

	System.out.println("So far so good");

        // Uncommenting the following line ensures that the document
received stands alone
        //
builder.setFeature("http://apache.org/xml/features/nonvalidating/load-ex
ternal-dtd", false);

 
builder.setFeature("http://apache.org/xml/features/validation/schema",
true);

	System.out.println("So far so good, after feature set");        

//	builder.setProperty(
//
"http://apache.org/xml/properties/schema/external-noNamespaceSchemaLocat
ion",
//            "file:///" + xmlSchema);

		builder.setProperty(
                    "http://apache.org/xml/properties/schema"
                    + "/external-noNamespaceSchemaLocation",
                    xmlSchema.toURL().toString() );


	System.out.println( "Successfully parsed and validated" );

	System.out.println("Property set");
	
	try{
        doc1 = builder.build(xmlFile);
	} 
	catch(Exception e){
	
	System.out.println(e.getMessage());
	
	}
	        return doc1;
	
    }

    	public static void main(String[] args) {
        	if (args.length < 2) {
            System.err.println("Usage: java demo.ValidDocument
<fileLocation> <xmlSchemaLocation>");
	return;
        	}	

        	try {
            InputStream xmlFile =
Thread.currentThread().getContextClassLoader()
 
.getSystemResourceAsStream(args[0]);
			
		
	Document doc = ValidDocument.build(xmlFile, args[1]);

	System.out.println("File created");

            // Output the document to System.out
            XMLOutputter outputter = new XMLOutputter();
            outputter.output(doc, System.out);
       	 }
        	catch (Exception e) {
            e.printStackTrace();
            System.exit(1);
        	}

    	    System.exit(0);
   	 }
	}

	Any help will be greatly appreciated. Thanks in advance.

	rgds,

Rajesh Anand
Email:Rajesh_anand at ml.com 
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