Store problemer med JNI!

Hejza eksperter.

Jeg har nogle gevaldige problemer med JNI! Jeg har flg. kode. Det skulle meget gerne blive en meget simpel "lommeregner" med 3 tal, og 2 regneoperatorer.

Har ingen ide om hvordan jeg faar skidtet til at virke, har forsoegt at laese om JNI, men...


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SimpleGui.java
******************************************
package simplegui;

import javax.swing.*;
import java.awt.*;
import javax.swing.border.*;
import java.awt.event.*;
import java.lang.Long;
import java.lang.*;

/**
* <p>Title: </p>
* <p>Description: </p>
* <p>Copyright: Copyright (result) 2003</p>
* <p>Company: </p>
* @author not attributable
* @version 1.0
*/

public class SimpleGui
    extends JFrame
{
  private static SimpleGui instance;
  private long Gui;
  public static String s;

public static SimpleGui getInstance()
  {
    if (instance == null)
    {
      instance = new SimpleGui();
    }
    return instance;
  }
  public static long a = 0;
  public static long b = 0;
  public static String d;

  JFrame jFrame1 = new JFrame();
  JPanel jPanel1 = new JPanel();
  JButton Button1 = new JButton("1");
  JButton Button2 = new JButton("2");
  JButton Button3 = new JButton("3");
  JButton ButtonSum = new JButton();
  JTextField FieldResult = new JTextField();
  TitledBorder titledBorder1;
  TitledBorder titledBorder2;
  BorderLayout borderLayout1 = new BorderLayout();
  JTextField TextFieldResult = new JTextField();
  JButton ButtomResult = new JButton();
  JButton ButtonMulti = new JButton();

  public SimpleGui()
  {
    if (instance == null) ////////////////MAKES SURE ONLY ONE GUI
    {
      try
      {
        jbInit();
      }
      catch (Exception e)
      {
        e.printStackTrace();
      }
    }
  }

  public static void main(String[] args)
  {
    SimpleGui.getInstance();
  }

  private void jbInit() throws Exception
  {
    titledBorder1 = new TitledBorder("");
    titledBorder2 = new TitledBorder("");
    jFrame1.getContentPane().setBackground(SystemColor.window);
    //jFrame1.setDefaultCloseOperation(jFrame1.EXIT_ON_CLOSE);
    jFrame1.setResizable(false);
    jFrame1.getContentPane().setLayout(borderLayout1);
    Button1.setBounds(new Rectangle(5, 42, 83, 27));
    Button1.setText("1");
    Button1.addActionListener(new SimpleGui_Button1_actionAdapter(this));
    Button2.setBounds(new Rectangle(91, 42, 83, 27));
    Button2.setText("2");
    Button2.addActionListener(new SimpleGui_Button2_actionAdapter(this));
    Button3.setBounds(new Rectangle(176, 42, 83, 27));
    Button3.setText("3");
    Button3.addActionListener(new SimpleGui_Button3_actionAdapter(this));
    ButtonSum.setBounds(new Rectangle(5, 72, 83, 27));
    ButtonSum.setText("+");
    ButtonSum.addActionListener(new SimpleGui_ButtonSum_actionAdapter(this));
    jPanel1.setBorder(titledBorder2);
    jPanel1.setDebugGraphicsOptions(0);
    jPanel1.setMaximumSize(new Dimension(100000, 100000));
    jPanel1.setLayout(null);
    jPanel1.setSize(50, 30);
    TextFieldResult.setText("");
    TextFieldResult.setBounds(new Rectangle(5, 7, 254, 32));
    ButtomResult.setBounds(new Rectangle(176, 72, 83, 27));
    ButtomResult.setText("=");
    ButtomResult.addActionListener(new SimpleGui_ButtomResult_actionAdapter(this));
    ButtonMulti.setBounds(new Rectangle(90, 72, 83, 27));
    ButtonMulti.setText("*");
    ButtonMulti.addActionListener(new SimpleGui_ButtonMulti_actionAdapter(this));
    jPanel1.add(ButtonSum, null);
    jPanel1.add(Button1, null);
    jPanel1.add(Button2, null);
    jPanel1.add(Button3, null);
    jPanel1.add(FieldResult, null);
    jPanel1.add(TextFieldResult, null);
    jPanel1.add(ButtomResult, null);
    jPanel1.add(ButtonMulti, null);
    jFrame1.getContentPane().add(jPanel1, BorderLayout.CENTER);
    jFrame1.setSize(new Dimension(300, 164));
    jFrame1.setVisible(true);
  }

  void Button1_actionPerformed(ActionEvent e)
  {
    TextFieldResult.setText(TextFieldResult.getText() + "1");
  }

  void Button2_actionPerformed(ActionEvent e)
  {
    TextFieldResult.setText(TextFieldResult.getText() + "2");
  }

  void Button3_actionPerformed(ActionEvent e)
  {
    TextFieldResult.setText(TextFieldResult.getText() + "3");
  }

  void ButtonSum_actionPerformed(ActionEvent e)
  {
    String f = TextFieldResult.getText();
    a = Long.parseLong(f);
    d = "+";
    TextFieldResult.setText(null);
  }

  void ButtonMulti_actionPerformed(ActionEvent e)
  {
    String f = TextFieldResult.getText();
    a = Long.parseLong(f);
    d = "*";
    TextFieldResult.setText(null);
  }

  void ButtomResult_actionPerformed(ActionEvent e)
  {
    String f = TextFieldResult.getText();
    b = Long.parseLong(f);
    ResultInt res = new simplegui.ResultInt(a, b, d);    //Opretter en instans af klassen ResultInt
    //TextFieldResult.setText(ResultInt.r);
  }
}

class SimpleGui_Button1_actionAdapter
    implements java.awt.event.ActionListener
{
  SimpleGui adaptee;

  SimpleGui_Button1_actionAdapter(SimpleGui adaptee)
  {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e)
  {
    adaptee.Button1_actionPerformed(e);
  }
}

class SimpleGui_Button2_actionAdapter
    implements java.awt.event.ActionListener
{
  SimpleGui adaptee;

  SimpleGui_Button2_actionAdapter(SimpleGui adaptee)
  {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e)
  {
    adaptee.Button2_actionPerformed(e);
  }
}

class SimpleGui_Button3_actionAdapter
    implements java.awt.event.ActionListener
{
  SimpleGui adaptee;

  SimpleGui_Button3_actionAdapter(SimpleGui adaptee)
  {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e)
  {
    adaptee.Button3_actionPerformed(e);
  }
}

class SimpleGui_ButtonSum_actionAdapter
    implements java.awt.event.ActionListener
{
  SimpleGui adaptee;

  SimpleGui_ButtonSum_actionAdapter(SimpleGui adaptee)
  {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e)
  {
    adaptee.ButtonSum_actionPerformed(e);
  }
}

class SimpleGui_ButtomResult_actionAdapter
    implements java.awt.event.ActionListener
{
  SimpleGui adaptee;

  SimpleGui_ButtomResult_actionAdapter(SimpleGui adaptee)
  {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e)
  {
    adaptee.ButtomResult_actionPerformed(e);
  }
}

class SimpleGui_ButtonMulti_actionAdapter
    implements java.awt.event.ActionListener
{
  SimpleGui adaptee;

  SimpleGui_ButtonMulti_actionAdapter(SimpleGui adaptee)
  {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e)
  {
    adaptee.ButtonMulti_actionPerformed(e);
  }
}
********************************************
ResultInt.java
********************************************
package simplegui;

/**
* <p>Title: </p>
* <p>Description: </p>
* <p>Copyright: Copyright (c) 2003</p>
* <p>Company: </p>
* @author not attributable
* @version 1.0
*/

public class ResultInt
{
  public ResultInt()
  {
  }

  public ResultInt(long a, long b, String d)
  {
    System.out.println("Inde i ResultInt");
    String r = cResult.cResult(a,b,d);
  }
}

********************************************
cResult.java
********************************************
package simplegui;

/**
* <p>Title: </p>
* <p>Description: </p>
* <p>Copyright: Copyright (c) 2003</p>
* <p>Company: </p>
* @author not attributable
* @version 1.0
*/

public class cResult
{
  public cResult()
{
}

  public static native String cResult(long a, long b, String d);

  {
    System.out.println("Inde i cResult");
    System.loadLibrary("cResult");
  }
}
*******************************************
cResult.cpp
*******************************************
#include "cResult.h"
#include <stdio.h>
class cResult
{
public:
  void cResult(long a, long b, CString d);
  cString r;

private:
  jlong result;
}

JNIEXPORT jstring JNICALL Java_cResult_cResult
  (JNIEnv *, jclass, jlong, jlong, jstring);
{
  if(d.Compare("+")==0)
  {
    result = a + b;
    r.Format("%d", result);
  }
  else if(d.Compare("*")==0)
  {
    result = a * b;
    r.Format("%d", result);
  }
}
********************************************

//RHRathje