The error is that in console:
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at Main.formLoad(Main.java:265)
at Main.access$0(Main.java:256)
at Main$1.windowActivated(Main.java:54)
at java.awt.AWTEventMulticaster.windowActivated(Unknown Source)
at java.awt.Window.processWindowEvent(Unknown Source)
at javax.swing.JFrame.processWindowEvent(Unknown Source)
at java.awt.Window.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.KeyboardFocusManager.redispatchEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.SentEvent.dispatch(Unknown Source)
at java.awt.DefaultKeyboardFocusManager$DefaultKeyboardFocusManagerSentEvent.dispatch(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.sendMessage(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.SequencedEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
My main class is:
import java.io.*;
import java.util.ArrayList;
import javax.swing.JFileChooser;
import javax.swing.filechooser.FileNameExtensionFilter;
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
/*
* Main.java
*
*
*/
/**
*
* @author ouzov
*/
@SuppressWarnings("serial")
public class Main extends javax.swing.JFrame implements Runnable {
ArrayList<LBP> train;
/** Creates new form Main */
public Main() {
initComponents();
}
/** 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">//GEN-BEGIN:initComponents
private void initComponents() {
jButton1 = new javax.swing.JButton();
jTextField1 = new javax.swing.JTextField();
orjinal = new javax.swing.JLabel();
sonuc1 = new javax.swing.JLabel();
sonuc2 = new javax.swing.JLabel();
sonuc3 = new javax.swing.JLabel();
durum = new javax.swing.JLabel();
dbCreator = new javax.swing.JButton();
ongosterim = new javax.swing.JLabel();
prNo = new javax.swing.JSpinner();
prView = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setResizable(false);
addWindowListener(new java.awt.event.WindowAdapter() {
public void windowActivated(java.awt.event.WindowEvent evt) {
formLoad(evt);
}
});
jButton1.setText("Gozat");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jTextField1.setEditable(false);
sonuc1.setText("Sonuc1");
sonuc2.setText("Sonuc2");
sonuc3.setText("Sonuc3");
durum.setText("jLabel1");
dbCreator.setText("Veritabani Olustur");
dbCreator.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
dbCreatorActionPerformed(evt);
}
});
ongosterim.setText("jLabel1");
prView.setText("Goster");
prView.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
prViewActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(42, 42, 42)
.addComponent(orjinal, javax.swing.GroupLayout.DEFAULT_SIZE, 86, Short.MAX_VALUE)
.addGap(307, 307, 307))
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(sonuc3, javax.swing.GroupLayout.PREFERRED_SIZE, 350, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(316, Short.MAX_VALUE))
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(sonuc2, javax.swing.GroupLayout.DEFAULT_SIZE, 350, Short.MAX_VALUE)
.addGap(202, 202, 202))
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(sonuc1, javax.swing.GroupLayout.DEFAULT_SIZE, 350, Short.MAX_VALUE)
.addGap(79, 79, 79))
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(ongosterim)
.addContainerGap(391, Short.MAX_VALUE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(dbCreator)
.addGap(165, 165, 165)
.addComponent(prNo, javax.swing.GroupLayout.DEFAULT_SIZE, 50, Short.MAX_VALUE))
.addComponent(jTextField1, javax.swing.GroupLayout.DEFAULT_SIZE, 336, Short.MAX_VALUE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(jButton1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(prView, javax.swing.GroupLayout.DEFAULT_SIZE, 73, Short.MAX_VALUE))
.addContainerGap())
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(durum)
.addContainerGap(391, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.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(jButton1))
.addGap(12, 12, 12)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(orjinal)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(prView)
.addComponent(prNo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(dbCreator)))
.addGap(15, 15, 15)
.addComponent(ongosterim)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(sonuc1, javax.swing.GroupLayout.PREFERRED_SIZE, 35, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(sonuc2, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(sonuc3, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(32, 32, 32)
.addComponent(durum)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
pack();
}// </editor-fold>//GEN-END:initComponents
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
// TODO add your handling code here:
int min;
String[] sonuc={"","",""};
JFileChooser file=new JFileChooser(".");
FileNameExtensionFilter filter=new FileNameExtensionFilter("Image files", "jpg","bmp","jpeg","png");
file.setFileFilter(filter);
int choice=file.showOpenDialog(this);
if(choice==JFileChooser.APPROVE_OPTION)
{
File x=file.getSelectedFile();
jTextField1.setText(x.getAbsolutePath());
LBP f=new LBP(x);
if(!train.isEmpty())
{
for(int i=0;i<3;i++)
{
Boolean var=false;
min=train.get(0).distance(f);
sonuc[i]=train.get(0).getFile();
for(int j=1;j<train.size();j++)
{
if(min>=train.get(j).distance(f))
{
for(int k=0;k<i;k++)
{
if(sonuc[k]==train.get(j).getFile())
var=true;
}
if(!var)
{
min=train.get(j).distance(f);
sonuc[i]=train.get(j).getFile();
}
}
}
}
sonuc1.setText(sonuc[0]);
sonuc2.setText(sonuc[1]);
sonuc3.setText(sonuc[2]);
}
}
}//GEN-LAST:event_jButton1ActionPerformed
@Override
public void run()
{
FileFilter filter=new FileFilter() {
@Override
public boolean accept(File pathname) {
if(pathname.isFile())
{
String[] suffix={"jpg","jpeg","bmp","png"};
String f=pathname.getAbsolutePath().toLowerCase();
for(int i=0;i<suffix.length;i++)
if(f.endsWith("."+suffix[i]))
{
return true;
}
}
return false;
}
};
File[] x=new File("Train\\").listFiles(filter);
if(x!=null)
{
train=new ArrayList<LBP>();
for(int i=0;i<x.length;i++)
{
durum.setText("Islenen dosya: "+x[i].getName());
train.add(new LBP(x[i]));
}
durum.setText("Dosya Sayisi: "+x.length);
}
try{
File file=new File("Database.dat");
file.delete();
FileOutputStream f=new FileOutputStream("Database.dat");
ObjectOutputStream obj=new ObjectOutputStream(f);
obj.writeObject(train);
obj.close();
}catch(FileNotFoundException e)
{}
catch(IOException e)
{}
}
private void formLoad(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_formLoad
// TODO add your handling code here:
try{
InputStream f=new FileInputStream("Database.dat");
InputStream buf=new BufferedInputStream(f);
ObjectInput obj=new ObjectInputStream(buf);
train=(ArrayList<LBP>)obj.readObject();
obj.close();
durum.setText("Veritabaninda "+train.size()+" adet resim kayitli...");
}catch(FileNotFoundException e)
{
durum.setText("Veritabani bulunamadi...");
}
catch(ClassNotFoundException e)
{
}
catch(IOException e)
{
e.printStackTrace();
durum.setText("Veritabani okunurken hata olustu...");
}
}//GEN-LAST:event_formLoad
private void dbCreatorActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_dbCreatorActionPerformed
// TODO add your handling code here:
Thread thCreator=new Thread(this);
thCreator.start();
}//GEN-LAST:event_dbCreatorActionPerformed
private void prViewActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_prViewActionPerformed
// TODO add your handling code here:
Integer x=(Integer)prNo.getValue();
if(train!=null && x>=0 && train.size()>=x)
ongosterim.setText(train.get(x).getFile());
}//GEN-LAST:event_prViewActionPerformed
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Main().setVisible(true);
}
});
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton dbCreator;
private javax.swing.JLabel durum;
private javax.swing.JButton jButton1;
private javax.swing.JTextField jTextField1;
private javax.swing.JLabel ongosterim;
private javax.swing.JLabel orjinal;
private javax.swing.JSpinner prNo;
private javax.swing.JButton prView;
private javax.swing.JLabel sonuc1;
private javax.swing.JLabel sonuc2;
private javax.swing.JLabel sonuc3;
// End of variables declaration//GEN-END:variables
}
My other class is:
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.io.Serializable;
import javax.imageio.ImageIO;
/**
*
* @author ouzov
*/
@SuppressWarnings("serial")
public class LBP implements Serializable{
private int[] histogram;
private String file;
public LBP(File file)
{
histogram=new int[0x100];
try{
BufferedImage image=ImageIO.read(file);
this.file=file.getAbsolutePath();
calcHist(image);
}catch(IOException e)
{}
}
public String getFile()
{
return file;
}
private void calcHist(BufferedImage image)
{
int[][] moves={{-1,-1},{0,-1},{1,-1},{1,0},{1,1},{0,1},{-1,1},{-1,0}};
for(int i=1;i<image.getHeight()-1;i++)
for(int j=1;j<image.getWidth()-1;j++)
{
String bin="";
for(int k=0;k<8;k++)
{
if(image.getRGB(j, i)>image.getRGB(j+moves[k][1],i+moves[k][0]))
{
bin+="1";
}else{
bin+="0";
}
}
if(chgBin(bin)<=2)
{
histogram[bin2dec(bin)]++;
}else{
histogram[0xAA]++;
}
}
}
private int bin2dec(String bin)
{
int numBits = bin.length();
int power = numBits - 1;
int sum = 0;
for( int i=0; i<numBits; i++ )
{
int bit = Integer.parseInt( bin.substring( i, i+1 ) );
int term = (int)(bit * Math.pow( 2, power ));
sum += term;
power--;
}
return sum;
}
private int chgBin(String str)
{
int x=0;
char tmp=str.charAt(0);
for(int i=1;i<str.length();i++)
if(tmp!=str.charAt(i))
{
x++;
tmp=str.charAt(i);
}
return x;
}
public int[] getHistogram()
{
return this.histogram;
}
public int distance(LBP hist)
{
int[] histogram2=hist.getHistogram();
int tmp=0;
for(int i=0;i<histogram.length;i++)
{
tmp+=Math.abs(histogram[i]-histogram2[i]);
}
return tmp;
}
}
the error of
at Main.formLoad(Main.java:265)
is showing this line in code:
durum.setText("Veritabaninda "+train.size()+" adet resim kayitli...");
other one is
at Main.access$0(Main.java:256)
for
private void formLoad(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_formLoad
other one is
at Main$1.windowActivated(Main.java:54)
For hours , i am trying to figure out it but i failed. I hope i can get help here.
for
formLoad(evt);
