package org.madore.damlengine;

import org.w3c.dom.DOMImplementation;
import org.w3c.dom.ls.DOMImplementationLS;
import org.w3c.dom.ls.LSParser;
import org.w3c.dom.ls.LSSerializer;
import org.w3c.dom.ls.LSInput;
import org.w3c.dom.ls.LSOutput;
import org.w3c.dom.Document;
import org.apache.xerces.dom.DOMImplementationSourceImpl;

public final class DamlEngine {

    private static Document doc;

    private DamlEngine() { }  // Forbid instantiation

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

    public static void main(String[] args) {

	final Resolver resolver = new Resolver();
	final DOMImplementationSourceImpl source
	    = new DOMImplementationSourceImpl();
	final DOMImplementation impl
	    = source.getDOMImplementation("XML 3.0 Core 3.0 LS 3.0");
	final DOMImplementationLS implLS = (DOMImplementationLS)impl;
	final LSParser parser
	    = implLS.createLSParser(DOMImplementationLS.MODE_SYNCHRONOUS,
				    null);
	parser.getDomConfig().setParameter("resource-resolver", resolver);
	final LSSerializer writer = implLS.createLSSerializer();

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

	for (String fname : args) {
	    final LSInput in = implLS.createLSInput();
	    in.setSystemId(fname);
	    doc = parser.parse(in);
	    processDocument();
	    final LSOutput out = implLS.createLSOutput();
	    out.setByteStream(System.out);
	    writer.write(doc, out);
	    System.out.println("");
	}

    }

}