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package org.madore.damlengine;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import org.w3c.dom.DOMImplementation;
import org.w3c.dom.Document;
import org.xml.sax.EntityResolver;
import org.apache.xerces.dom.DOMImplementationSourceImpl;
import org.apache.xerces.jaxp.DocumentBuilderFactoryImpl;
import org.apache.xml.serialize.XHTMLSerializer;
import org.apache.xml.serialize.OutputFormat;

@SuppressWarnings("deprecation")
public final class DamlEngine {

    private static Document doc;

    private DamlEngine() { }  // Forbid instantiation

    public static void processDocument() {
	// ...
    }

    public static void main(String[] args)
	throws Exception {

	final Resolver resolver = new Resolver();
	final DOMImplementationSourceImpl source
	    = new DOMImplementationSourceImpl();
	@SuppressWarnings("unused")
	final DOMImplementation impl
	    = source.getDOMImplementation("XML 3.0 Core 3.0 LS 3.0");
        final DocumentBuilderFactory dbf = new DocumentBuilderFactoryImpl();
        dbf.setNamespaceAware(true);
        dbf.setValidating(false);
	final DocumentBuilder db = dbf.newDocumentBuilder();
	db.setEntityResolver((EntityResolver)resolver);

	if ( args.length == 0 ) {
	    System.err.println("expecting filename as argument");
	}

	for (String fname : args) {
	    doc = db.parse(fname);
	    processDocument();
	    OutputFormat format = new OutputFormat(doc);
	    XHTMLSerializer serializer = new XHTMLSerializer(format);
	    serializer.setOutputByteStream(System.out);
	    serializer.serialize(doc);
	}

    }

}