PEASANT KING
Commander
- Registriert
- Okt. 2008
- Beiträge
- 2.412
Hallo Leute,
ich bin es mal wieder.
Ich habe eine simple Desktop Application geschrieben und stehe nun vor einem Problem und zwar erhalte ich immer eine NullPointerException die eigentlich nach meinem Wissen nicht auftreten dürfte.
Hier mal der Code:
Die Exception tritt bei der IF Abfrage auf in der Methode startup()
Die zusammenhengende Klasse Login mit Code:
ich bin es mal wieder.
Ich habe eine simple Desktop Application geschrieben und stehe nun vor einem Problem und zwar erhalte ich immer eine NullPointerException die eigentlich nach meinem Wissen nicht auftreten dürfte.
Hier mal der Code:
PHP:
/*
* SKSJBusiness2011App.java
*/
package sksjbusiness2011;
import org.jdesktop.application.Application;
import org.jdesktop.application.SingleFrameApplication;
/**
* The main class of the application.
*/
public class SKSJBusiness2011App extends SingleFrameApplication {
private SKSJBusiness2011Login login;
@Override protected void startup() {
show(new SKSJBusiness2011Login(login));
if(login.loginApp()== true){
show(new SKSJBusiness2011View(this));
}
}
/**
* This method is to initialize the specified window by injecting resources.
* Windows shown in our application come fully initialized from the GUI
* builder, so this additional configuration is not needed.
*/
@Override protected void configureWindow(java.awt.Window root) {
}
/**
* A convenient static getter for the application instance.
* @return the instance of SKSJBusiness2011App
*/
public static SKSJBusiness2011App getApplication() {
return Application.getInstance(SKSJBusiness2011App.class);
}
/**
* Main method launching the application.
*/
public static void main(String[] args) {
launch(SKSJBusiness2011App.class, args);
}
}Die zusammenhengende Klasse Login mit Code:
PHP:
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
/*
* SKSJBusiness2011Login.java
*
* Created on 07.06.2011, 11:10:17
*/
package sksjbusiness2011;
import java.awt.SplashScreen;
import org.jdesktop.application.Action;
/**
*
* @author ll
*/
public class SKSJBusiness2011Login extends javax.swing.JDialog {
/** Creates new form SKSJBusiness2011Login */
public SKSJBusiness2011Login(java.awt.Dialog parent) {
super(parent);
initComponents();
}
@Action public boolean loginApp(){
if(jTextField1.getText().equals("Admin")){
}
return true;
}
@Action public void closeLoginBox() {
dispose();
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jPasswordField1 = new javax.swing.JPasswordField();
jTextField1 = new javax.swing.JTextField();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(sksjbusiness2011.SKSJBusiness2011App.class).getContext().getResourceMap(SKSJBusiness2011Login.class);
setTitle(resourceMap.getString("Form.title")); // NOI18N
setName("Form"); // NOI18N
javax.swing.ActionMap actionMap = org.jdesktop.application.Application.getInstance(sksjbusiness2011.SKSJBusiness2011App.class).getContext().getActionMap(SKSJBusiness2011Login.class, this);
jButton1.setAction(actionMap.get("loginApp")); // NOI18N
jButton1.setText(resourceMap.getString("jButton1.text")); // NOI18N
jButton1.setName("jButton1"); // NOI18N
jButton2.setAction(actionMap.get("closeLoginBox")); // NOI18N
jButton2.setText(resourceMap.getString("jButton2.text")); // NOI18N
jButton2.setName("jButton2"); // NOI18N
jPasswordField1.setText(resourceMap.getString("jPasswordField1.text")); // NOI18N
jPasswordField1.setName("jPasswordField1"); // NOI18N
jTextField1.setText(resourceMap.getString("jTextField1.text")); // NOI18N
jTextField1.setName("jTextField1"); // NOI18N
jLabel1.setText(resourceMap.getString("jLabel1.text")); // NOI18N
jLabel1.setName("jLabel1"); // NOI18N
jLabel2.setText(resourceMap.getString("jLabel2.text")); // NOI18N
jLabel2.setName("jLabel2"); // NOI18N
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jButton1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 86, Short.MAX_VALUE)
.addComponent(jButton2))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jLabel1)
.addComponent(jLabel2))
.addGap(37, 37, 37)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jPasswordField1)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 127, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(15, 15, 15)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel1))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jPasswordField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel2))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton1)
.addComponent(jButton2))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
pack();
}// </editor-fold>
/**
* @param args the command line arguments
*/
// Variables declaration - do not modify
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JPasswordField jPasswordField1;
private javax.swing.JTextField jTextField1;
// End of variables declaration
}
