/*
 * Copyright (C) 2011 www.itcsolutions.eu
 *
 * This file is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; either version 2.1, or (at your
 * option) any later version.
 *
 * This file is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 *
 */

/**
 *
 * @author Catalin - www.itcsolutions.eu
 * @version september 2011
 *
 */
package eu.itcsolutions.j2me.ksoap;

import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
import org.ksoap2.SoapEnvelope;
import org.ksoap2.serialization.SoapObject;
import org.ksoap2.serialization.SoapSerializationEnvelope;
import org.ksoap2.transport.HttpTransport;

/**
 * @author Catalin
 */
public class MidletkSOAP extends MIDlet implements CommandListener {
    //the main form

    Form mainForm = null;
    //the text-boxes for the input
    TextField txtBoxA = null;
    TextField txtBoxB = null;
    //the result label
    StringItem result = null;
    //the Exit command
    Command cmdExit = null;
    Command cmdAdd = null;
    //the Display reference
    Display display = null;

    public MidletkSOAP() {
        //construct the main form
        mainForm = new Form("kSOAP Example");

        //construct the controls
        txtBoxA = new TextField("Value 1:", null, 5, TextField.NUMERIC);
        txtBoxB = new TextField("Value 2:", null, 5, TextField.NUMERIC);
        result = new StringItem("Result:", null);

        //add controls to the form
        mainForm.append(txtBoxA);
        mainForm.append(txtBoxB);
        mainForm.append(result);

        //construct commands
        cmdExit = new Command("Exit", Command.EXIT, 1);
        cmdAdd = new Command("Add", Command.SCREEN, 1);

        //add commands
        mainForm.addCommand(cmdAdd);
        mainForm.addCommand(cmdExit);


    }

    public void startApp() {
        //get the Display reference
        if (display == null) {
            display = Display.getDisplay(this);
        }
        //display the main form
        display.setCurrent(mainForm);

        //register the command listener
        mainForm.setCommandListener(this);
    }

    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }

    public void commandAction(Command c, Displayable d) {
        if (c == cmdExit) {
            this.destroyApp(false);
            this.notifyDestroyed();
        } else if (c == cmdAdd) {
            callWebServiceMethod();
        }
    }

    //the kSOAP solution
    public void callWebServiceMethod() {
        String NAMESPACE = "http://www.itcsolutions.eu/";
        String METHOD_NAME = "add";
        String SOAP_ACTION = "http://www.itcsolutions.eu/add";
        String URL = "http://localhost:50827/WebServiceExample.asmx";


        //create a SOAP object
        SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);

        //add method arguments
        request.addProperty("value1",
                Integer.valueOf(txtBoxA.getString()));
        request.addProperty("value2",
                Integer.valueOf(txtBoxB.getString()));


        SoapSerializationEnvelope envelope =
                new SoapSerializationEnvelope(SoapEnvelope.VER11);
        envelope.dotNet = true;
        envelope.setOutputSoapObject(request);

        HttpTransport j2meHttpTransport = new HttpTransport(URL);

        try {
            //if you want to debug, uncomment next line
            //j2meHttpTransport.debug = true;
            j2meHttpTransport.call(SOAP_ACTION, envelope);
            SoapObject content = (SoapObject) envelope.bodyIn;
            String sum = content.getProperty(0).toString();

            //display result
            result.setText(sum);
            
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}