/*
 * The contents of this file are subject to the Mozilla Public License 
 * Version 1.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at 
 * http://www.mozilla.org/MPL/ 
 *
 * Software distributed under the License is distributed on an "AS IS" basis, 
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for 
 * the specific language governing rights and limitations under the License.
 *
 * Contributors:
 *    Frank Mitchell (frank.mitchell@sun.com)
 */

import java.util.Vector;
import org.mozilla.xpcom.*;

public class XPCTest {
    private static boolean didRegister = false;

    static ComObject CreateSampleInstance() {
	nsID kSampleCID = 
	    new nsID("d3944dd0-ae1a-11d1-b66c-00805f8a2676");

	nsID kISampleIID = 
	    new nsID("57ecad90-ae1a-11d1-b66c-00805f8a2676");


	if (!didRegister) {
	    XPComUtilities.RegisterComponent(kSampleCID,
					     "JSSample",
					     "component://javasoft/sample",
					     "libsample.so",
					     false,
					     false);
	    didRegister = true;
	}

	return (ComObject)XPComUtilities.CreateInstance(kSampleCID,
							null,
							kISampleIID);
    }

    public static void main(String[] argv) {
	String command = "PrintStats";
	int    cmdOffset = -1;

	try {
	    // KLUDGE: load libraries
	    //System.out.println(System.getProperty("java.library.path"));
	    //System.loadLibrary("plds3");
	    //System.loadLibrary("xpcom");

	    Object[] params = null;

	    // Process arguments
	    if (argv.length == 0) {
		params = new Object[0];
	    }
	    else {
		command = argv[0];
		if (Character.isDigit(command.charAt(0))) {
		    cmdOffset = Integer.parseInt(command);
		}

		params = paramArray(argv, 1);
	    }

	    ComObject sample = CreateSampleInstance();

	    // DEBUG
	    System.out.print("Command: ");  // DEBUG
	    System.out.print(command);  // DEBUG
	    System.out.print(", arguments: ");  // DEBUG
	    System.out.println(paramString(params));  // DEBUG

	    nsID kISampleIID = 
		new nsID("57ecad90-ae1a-11d1-b66c-00805f8a2676");

	    if (cmdOffset >= 0) {
		XPComUtilities.InvokeMethodByIndex(kISampleIID, 
						   sample,
						   cmdOffset, 
						   params);
	    }
	    else {
		XPCMethod method = new XPCMethod(kISampleIID, command);

		method.invoke(sample, params);
	    }

	    // Get "out" parameters and return value
	    System.out.print("Results: ");  // DEBUG
	    System.out.println(paramString(params));  // DEBUG

	}
	catch (Exception e) {
	    e.printStackTrace();
	}
    }

    static String paramString(Object[] params) {
	StringBuffer buf = new StringBuffer();
	buf.append('[');
	for (int i = 0; i < params.length; i++) {
	    if (i != 0) {
		buf.append(", ");
	    }
	    buf.append(params[i]);
	}
	buf.append(']');
	return buf.toString();
    }

    static Object[] paramArray(String[] argv) throws NumberFormatException {
	return paramArray(argv, 0);
    }

    static Object[] paramArray(String[] argv, int argi)
	throws NumberFormatException {
	Vector vector = new Vector(argv.length - argi);

	while (argi < argv.length) {
	    String opt = argv[argi];
	    if (opt.charAt(0) != '-') {
		vector.addElement(opt);
	    }
	    else {
		switch (opt.charAt(1)) {
		case 'c':
		    argi++;
		    vector.addElement(new Character(argv[argi].charAt(0)));
		    break;
		case 'b':
		    argi++;
		    vector.addElement(Byte.valueOf(argv[argi]));
		    break;
		case 's':
		    argi++;
		    vector.addElement(Short.valueOf(argv[argi]));
		    break;
		case 'i':
		    argi++;
		    vector.addElement(Integer.valueOf(argv[argi]));
		    break;
		case 'j':
		case 'l':
		    argi++;
		    vector.addElement(Long.valueOf(argv[argi]));
		    break;
		case 'f':
		    argi++;
		    vector.addElement(Float.valueOf(argv[argi]));
		    break;
		case 'd':
		    argi++;
		    vector.addElement(Double.valueOf(argv[argi]));
		    break;
		case 'r':
		case '0':
		    vector.addElement(null);
		    break;
		case 'z':
		    argi++;
		    vector.addElement(Boolean.valueOf(argv[argi]));
		    break;
		}
	    }
	    argi++;
	}

	Object[] result = new Object[vector.size()];
	for (int i = 0; i < result.length; i++) {
	    result[i] = vector.elementAt(i);
	}
	return result;
    }
}