I need help with Currency Converter code reading from XML file.

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * Converter.java
 *
 * Created on Dec 1, 2011, 8:06:24 PM
 */
package Converter;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.swing.JComboBox;
import javax.swing.JFormattedTextField;



/**
 *
 * @author Abdullah
 */
public class Converter extends javax.swing.JFrame {

    /** Creates new form Converter */
     String currentPattern;
    private HashMap<String, Double> HashMap1;
    private ArrayList<String> List;
    
    
    

    
    
    
    
    
    
       private ArrayList<String> currencies;;
    private Converter cc;
DecimalFormat df = new DecimalFormat("#####.00");

    /** Creates new form Converter */
    
public Converter() throws Exception{
    initComponents();

HashMap1= new HashMap<String, Double>();
List = new ArrayList<String>();




try{
 URL ecb = new URL("http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml");
BufferedReader in = new BufferedReader(new InputStreamReader(ecb.openStream()));
FileWriter fw = new FileWriter("Rates.xml");
String inputLine;


while ((inputLine = in.readLine()) != null){
System.out.println(inputLine);
fw.write(inputLine);
String buff = inputLine;

 if(!buff.startsWith("<Cube currency"))continue;
                String curr = buff.substring(buff.indexOf("ency=") + 6, buff.indexOf("ency=") +9 );
                  String rate = buff.substring(buff.indexOf("ate=") + 5, buff.lastIndexOf("""));
                  
                  HahsMap1.put(curr, new Double(rate));



}

in.close();
fw.close();
}
catch(Exception e){
System.exit(1);


}
        
//Pattern finalPattern = Pattern.compile("x">([0-9.]+)</span>");
           // Matcher matchFind = finalPattern.matcher();
            //matchFind.find();



        /** Creates new form CurrencyConverterGUI */

     //   initComponents();
        String[] patternExamples = {"USD","JPY","BGN","CZK","DKK","GBP","HUF","LTL","LVL","PLN","RON","SEK","CHF","NOK","HRK","RUB","TRY","AUD',BRL","CAD","CNY","HKD","IDR","ILS","INR","KRW","MXN","MYR","ZD","PHP","SGD","THB","ZAR"};


      // HashMap1 = new HashMap<String, Double>();
        List = new ArrayList<String>();
        currencies = new ArrayList<String>();

      //  populateHashMap();
        
         CurrencyBox1.removeAll();
         CurrencyBox2.removeAll();
         for(String s: currencies){
              CurrencyBox1.addItem(s);  
                CurrencyBox2.addItem(s); 
         }
               CurrencyBox1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox1ActionPerformed(evt);
            }
        });

              CurrencyBox2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox2ActionPerformed(evt);
            }
        });

        /*
        currentPattern = patternExamples[0];

       for(int j=0; j<patternExamples.length; j++){
        CurrencyBox1.addItem(patternExamples[j]);
          CurrencyBox2.addItem(patternExamples[j]);}
        */
        CurrencyBox1.setEditable(false);
             CurrencyBox2.setEditable(false);

        //CurrencyBox1.addActionListener(this);
    }

    private void populateHashMap() {
        Scanner SC = null;
        try {

            SC = new Scanner(new FileReader(new File("Rates.txt")));
            //SC = new Scanner(new FileReader(new File("Rates.xml")));
        } catch (IOException e) {
            System.err.println("File Error when reading rates.txt file");
            //return;
            System.exit(1);
        }
        
        while (SC.hasNextLine()) {
            String[] S = SC.nextLine().split(" ");
            currencies.add(S[0]);
            HashMap1.put(S[0], Double.valueOf(S[1]));


        

        }
    }
public Object[] getCurrencies() {
		return List.toArray();
	}

	public double convert(String FC, String TC, double amt) {

	double result = amt / HashMap1.get(FC) * HashMap1.get(TC);
		return result;
                 }
    /** 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() {

        CurrencyBox1 = new javax.swing.JComboBox();
        CurrencyBox2 = new javax.swing.JComboBox();
        CurrencyText1 = new javax.swing.JTextField();
        CurrencyText2 = new javax.swing.JTextField();
        ResetButton = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        CurrencyBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "USD", "JPY", "BGN", "CZK", "DKK", "GBP", "HUF", "LTL", "LVL", "PLN", "RON", "SEK", "CHF", "NOK", "HRK", "RUB", "TRY", "AUD", "BRL", "CAD", "CNY", "HKD", "IDR", "ILS", "INR", "KRW", "MXN", "MYR", "NZD", "PHP", "SGD", "THB", "ZAR" }));
        CurrencyBox1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox1ActionPerformed(evt);
            }
        });

        CurrencyBox2.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "USD", "JPY", "BGN", "CZK", "DKK", "GBP", "HUF", "LTL", "LVL", "PLN", "RON", "SEK", "CHF", "NOK", "HRK", "RUB", "TRY", "AUD", "BRL", "CAD", "CNY", "HKD", "IDR", "ILS", "INR", "KRW", "MXN", "MYR", "NZD", "PHP", "SGD", "THB", "ZAR" }));
        CurrencyBox2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox2ActionPerformed(evt);
            }
        });

        CurrencyText1.setText("0.0");
        CurrencyText1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyText1ActionPerformed(evt);
            }
        });

        CurrencyText2.setText("0.0");
        CurrencyText2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyText2ActionPerformed(evt);
            }
        });

        ResetButton.setText("Reset");
        ResetButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                ResetButtonActionPerformed(evt);
            }
        });

        jLabel1.setFont(new java.awt.Font("Times New Roman", 3, 24)); // NOI18N
        jLabel1.setText("Money Converter");

        jLabel2.setFont(new java.awt.Font("Times New Roman", 3, 18)); // NOI18N
        jLabel2.setText("From:");

        jLabel3.setFont(new java.awt.Font("Times New Roman", 3, 18)); // NOI18N
        jLabel3.setText("To:");

        jLabel4.setFont(new java.awt.Font("Times New Roman", 3, 18)); // NOI18N
        jLabel4.setText("Result :");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jLabel4))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                                .addComponent(CurrencyText1, javax.swing.GroupLayout.Alignment.LEADING)
                                .addComponent(CurrencyBox1, javax.swing.GroupLayout.Alignment.LEADING, 0, 122, Short.MAX_VALUE))
                            .addComponent(jLabel2))
                        .addGap(86, 86, 86)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel3)
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                                .addComponent(CurrencyText2)
                                .addComponent(CurrencyBox2, 0, 117, Short.MAX_VALUE))))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(86, 86, 86)
                        .addComponent(jLabel1))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(139, 139, 139)
                        .addComponent(ResetButton)))
                .addContainerGap(83, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(31, 31, 31)
                .addComponent(jLabel1)
                .addGap(40, 40, 40)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(jLabel3))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(CurrencyBox1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(CurrencyBox2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(27, 27, 27)
                .addComponent(jLabel4)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(CurrencyText1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(CurrencyText2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(33, 33, 33)
                .addComponent(ResetButton)
                .addContainerGap(26, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void CurrencyBox1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_CurrencyBox1ActionPerformed
       
        //CurrencyBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "USD,JPY,BGN,CZK,DKK,GBP,HUF,LTL,LVL,PLN,RON,SEK,CHF,NOK,HRK,RUB,TRY,AUD,BRL,CAD,CNY,HKD,IDR,ILS,INR,KRW,MXN,MYR,ZD,PHP,SGD,THB,ZAR"}));
      //  CurrencyText1 = new JFormattedTextField(NumberFormat.getInstance());
       //CurrencyConverter currconv = new CurrencyConverter();

     //   JComboBox cb = (JComboBox) evt.getSource();
        //String from = (String) cb.getSelectedItem();
          String from = (String) CurrencyBox2.getSelectedItem();
        String to =(String)  CurrencyBox1.getSelectedItem();
        //double amount = Double.parseDouble(this.CurrencyText1.getText());
          String s=  this.CurrencyText2.getText();
                 if(s.trim().length() == 0){

//pop up errort message - input is empty
                       return;

                          }

  double amount = Double.parseDouble(s);

       double converted = convert(from, to, amount);

            CurrencyText1.setText(df.format(converted) + "");
            // double result = cc.convert(from, to, amount);
		//CurrencyBox1.setSelectedItem(new Double(result));


    }//GEN-LAST:event_CurrencyBox1ActionPerformed

    private void CurrencyBox2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_CurrencyBox2ActionPerformed
       
       // CurrencyBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "USD,JPY,BGN,CZK,DKK,GBP,HUF,LTL,LVL,PLN,RON,SEK,CHF,NOK,HRK,RUB,TRY,AUD,BRL,CAD,CNY,HKD,IDR,ILS,INR,KRW,MXN,MYR,ZD,PHP,SGD,THB,ZAR"}));
        
        
        // JComboBox cb = (JComboBox) evt.getSource();
       // CurrencyConverter currconv = new CurrencyConverter();
        //String from = (String) cb.getSelectedItem();
         String from = (String) CurrencyBox1.getSelectedItem();
        String to = (String) CurrencyBox2.getSelectedItem();
         String s=  CurrencyText1.getText();
               if(s.trim().length() == 0){

//pop up errort message - input is empty
                        return;

                         }

           // double amount = Double.parseDouble(this.CurrencyText1.getText());

             double amount = Double.parseDouble(s);

             System.out.println("from " + from + " to " + to + " amount " + amount);

            double converted = convert(from, to, amount);

            CurrencyText2.setText(df.format(converted)+ "");

        //double amount = Double.parseDouble(this.CurrencyText2.getText());
              //  double result = cc.convert(from, to, amount);
		//CurrencyBox2.setSelectedItem(new Double(result));
    }//GEN-LAST:event_CurrencyBox2ActionPerformed

    private void CurrencyText1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_CurrencyText1ActionPerformed
        // TODO add your handling code here:
    }//GEN-LAST:event_CurrencyText1ActionPerformed

    private void CurrencyText2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_CurrencyText2ActionPerformed
        // TODO add your handling code here:
    }//GEN-LAST:event_CurrencyText2ActionPerformed

    private void ResetButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_ResetButtonActionPerformed
        CurrencyText1.setText("");

        CurrencyText2.setText("");
    }//GEN-LAST:event_ResetButtonActionPerformed

    /**
     * @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(Converter.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Converter.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Converter.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Converter.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() {
                try {
                    new Converter().setVisible(true);
                } catch (Exception ex) {
                    Logger.getLogger(Converter.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
        });
    }
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JComboBox CurrencyBox1;
    private javax.swing.JComboBox CurrencyBox2;
    private javax.swing.JTextField CurrencyText1;
    private javax.swing.JTextField CurrencyText2;
    private javax.swing.JButton ResetButton;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    // End of variables declaration//GEN-END:variables
}
/*
  String[] temp=null;
        temp= currentfromtext.split(" - ");
        String currFromCode=temp[1];
        
         
          
        temp=convertto.split(" - ");
         String converttoCode=temp[1];
              String URL = "http://finance.yahoo.com/q/bc?s=" + currFromCode + "" + converttoCode + "=X&t=5d&l=on&z=m&q=l&c=";
         try
         {
             String result="";
             URL thePage= new URL(URL);
             BufferedReader in = new BufferedReader(new InputStreamReader(thePage.openStream()));
             
             String InputLine;
             while((InputLine=in.readLine())!=null)
             {
                 result=result+InputLine;
                
             }
             in.close();
 */

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * Converter.java
 *
 * Created on Dec 1, 2011, 8:06:24 PM
 */
package Converter;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.swing.JComboBox;
import javax.swing.JFormattedTextField;



/**
 *
 * @author Abdullah
 */
public class Converter extends javax.swing.JFrame {

    /** Creates new form Converter */
     String currentPattern;
    private HashMap<String, Double> HashMap1;
    private ArrayList<String> List;
    
    
    

    
    
    
    
    
    
       private ArrayList<String> currencies;;
    private Converter cc;
DecimalFormat df = new DecimalFormat("#####.00");

    /** Creates new form Converter */
    
public Converter() throws Exception{
    initComponents();

HashMap1= new HashMap<String, Double>();
List = new ArrayList<String>();




try{
 URL ecb = new URL("http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml");
BufferedReader in = new BufferedReader(new InputStreamReader(ecb.openStream()));
FileWriter fw = new FileWriter("Rates.xml");
String inputLine;


while ((inputLine = in.readLine()) != null){
System.out.println(inputLine);
fw.write(inputLine);
String buff = inputLine;

                  if(buff.indexOf("<Cube currency")==-1)continue;
                String curr = buff.substring(buff.indexOf("ency=") + 6, buff.indexOf("ency=") +9 );

                  String rate = buff.substring(buff.indexOf("ate=") + 5, buff.lastIndexOf("""));
                 System.out.println(curr + "  " + rate);
                     HashMap1.put(curr, new Double(rate));
                



}

in.close();
fw.close();
}
catch(Exception e){
System.exit(1);


}
        
//Pattern finalPattern = Pattern.compile("x">([0-9.]+)</span>");
           // Matcher matchFind = finalPattern.matcher();
            //matchFind.find();



        /** Creates new form CurrencyConverterGUI */

     //   initComponents();
        String[] patternExamples = {"USD","JPY","BGN","CZK","DKK","GBP","HUF","LTL","LVL","PLN","RON","SEK","CHF","NOK","HRK","RUB","TRY","AUD',BRL","CAD","CNY","HKD","IDR","ILS","INR","KRW","MXN","MYR","ZD","PHP","SGD","THB","ZAR"};


      // HashMap1 = new HashMap<String, Double>();
        List = new ArrayList<String>();
        currencies = new ArrayList<String>();

      //  populateHashMap();
        
         CurrencyBox1.removeAll();
         CurrencyBox2.removeAll();
         for(String s: currencies){
              CurrencyBox1.addItem(s);  
                CurrencyBox2.addItem(s); 
         }
               CurrencyBox1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox1ActionPerformed(evt);
            }
        });

              CurrencyBox2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox2ActionPerformed(evt);
            }
        });

        /*
        currentPattern = patternExamples[0];

       for(int j=0; j<patternExamples.length; j++){
        CurrencyBox1.addItem(patternExamples[j]);
          CurrencyBox2.addItem(patternExamples[j]);}
        */
        CurrencyBox1.setEditable(false);
             CurrencyBox2.setEditable(false);

        //CurrencyBox1.addActionListener(this);
    }

    private void populateHashMap() {
        Scanner SC = null;
        try {

            SC = new Scanner(new FileReader(new File("Rates.txt")));
            //SC = new Scanner(new FileReader(new File("Rates.xml")));
        } catch (IOException e) {
            System.err.println("File Error when reading rates.txt file");
            //return;
            System.exit(1);
        }
        
        while (SC.hasNextLine()) {
            String[] S = SC.nextLine().split(" ");
            currencies.add(S[0]);
            HashMap1.put(S[0], Double.valueOf(S[1]));


        

        }
    }
public Object[] getCurrencies() {
		return List.toArray();
	}

	public double convert(String FC, String TC, double amt) {

	double result = amt / HashMap1.get(FC) * HashMap1.get(TC);
		return result;
                 }
    /** 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() {

        CurrencyBox1 = new javax.swing.JComboBox();
        CurrencyBox2 = new javax.swing.JComboBox();
        CurrencyText1 = new javax.swing.JTextField();
        CurrencyText2 = new javax.swing.JTextField();
        ResetButton = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        CurrencyBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "USD", "JPY", "BGN", "CZK", "DKK", "GBP", "HUF", "LTL", "LVL", "PLN", "RON", "SEK", "CHF", "NOK", "HRK", "RUB", "TRY", "AUD", "BRL", "CAD", "CNY", "HKD", "IDR", "ILS", "INR", "KRW", "MXN", "MYR", "NZD", "PHP", "SGD", "THB", "ZAR" }));
        CurrencyBox1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox1ActionPerformed(evt);
            }
        });

        CurrencyBox2.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "USD", "JPY", "BGN", "CZK", "DKK", "GBP", "HUF", "LTL", "LVL", "PLN", "RON", "SEK", "CHF", "NOK", "HRK", "RUB", "TRY", "AUD", "BRL", "CAD", "CNY", "HKD", "IDR", "ILS", "INR", "KRW", "MXN", "MYR", "NZD", "PHP", "SGD", "THB", "ZAR" }));
        CurrencyBox2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox2ActionPerformed(evt);
            }
        });

        CurrencyText1.setText("0.0");
        CurrencyText1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyText1ActionPerformed(evt);
            }
        });

        CurrencyText2.setText("0.0");
        CurrencyText2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyText2ActionPerformed(evt);
            }
        });

        ResetButton.setText("Reset");
        ResetButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                ResetButtonActionPerformed(evt);
            }
        });

        jLabel1.setFont(new java.awt.Font("Times New Roman", 3, 24)); // NOI18N
        jLabel1.setText("Money Converter");

        jLabel2.setFont(new java.awt.Font("Times New Roman", 3, 18)); // NOI18N
        jLabel2.setText("From:");

        jLabel3.setFont(new java.awt.Font("Times New Roman", 3, 18)); // NOI18N
        jLabel3.setText("To:");

        jLabel4.setFont(new java.awt.Font("Times New Roman", 3, 18)); // NOI18N
        jLabel4.setText("Result :");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jLabel4))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                                .addComponent(CurrencyText1, javax.swing.GroupLayout.Alignment.LEADING)
                                .addComponent(CurrencyBox1, javax.swing.GroupLayout.Alignment.LEADING, 0, 122, Short.MAX_VALUE))
                            .addComponent(jLabel2))
                        .addGap(86, 86, 86)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel3)
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                                .addComponent(CurrencyText2)
                                .addComponent(CurrencyBox2, 0, 117, Short.MAX_VALUE))))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(86, 86, 86)
                        .addComponent(jLabel1))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(139, 139, 139)
                        .addComponent(ResetButton)))
                .addContainerGap(83, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(31, 31, 31)
                .addComponent(jLabel1)
                .addGap(40, 40, 40)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(jLabel3))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(CurrencyBox1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(CurrencyBox2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(27, 27, 27)
                .addComponent(jLabel4)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(CurrencyText1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(CurrencyText2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(33, 33, 33)
                .addComponent(ResetButton)
                .addContainerGap(26, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void CurrencyBox1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_CurrencyBox1ActionPerformed
       
        //CurrencyBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "USD,JPY,BGN,CZK,DKK,GBP,HUF,LTL,LVL,PLN,RON,SEK,CHF,NOK,HRK,RUB,TRY,AUD,BRL,CAD,CNY,HKD,IDR,ILS,INR,KRW,MXN,MYR,ZD,PHP,SGD,THB,ZAR"}));
      //  CurrencyText1 = new JFormattedTextField(NumberFormat.getInstance());
       //CurrencyConverter currconv = new CurrencyConverter();

     //   JComboBox cb = (JComboBox) evt.getSource();
        //String from = (String) cb.getSelectedItem();
          String from = (String) CurrencyBox2.getSelectedItem();
        String to =(String)  CurrencyBox1.getSelectedItem();
        //double amount = Double.parseDouble(this.CurrencyText1.getText());
          String s=  this.CurrencyText2.getText();
                 if(s.trim().length() == 0){

//pop up errort message - input is empty
                       return;

                          }

  double amount = Double.parseDouble(s);

       double converted = convert(from, to, amount);

            CurrencyText1.setText(df.format(converted) + "");
            // double result = cc.convert(from, to, amount);
		//CurrencyBox1.setSelectedItem(new Double(result));


    }//GEN-LAST:event_CurrencyBox1ActionPerformed

    private void CurrencyBox2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_CurrencyBox2ActionPerformed
       
       // CurrencyBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "USD,JPY,BGN,CZK,DKK,GBP,HUF,LTL,LVL,PLN,RON,SEK,CHF,NOK,HRK,RUB,TRY,AUD,BRL,CAD,CNY,HKD,IDR,ILS,INR,KRW,MXN,MYR,ZD,PHP,SGD,THB,ZAR"}));
        
        
        // JComboBox cb = (JComboBox) evt.getSource();
       // CurrencyConverter currconv = new CurrencyConverter();
        //String from = (String) cb.getSelectedItem();
         String from = (String) CurrencyBox1.getSelectedItem();
        String to = (String) CurrencyBox2.getSelectedItem();
         String s=  CurrencyText1.getText();
               if(s.trim().length() == 0){

//pop up errort message - input is empty
                        return;

                         }

           // double amount = Double.parseDouble(this.CurrencyText1.getText());

             double amount = Double.parseDouble(s);

             System.out.println("from " + from + " to " + to + " amount " + amount);

            double converted = convert(from, to, amount);

            CurrencyText2.setText(df.format(converted)+ "");

        //double amount = Double.parseDouble(this.CurrencyText2.getText());
              //  double result = cc.convert(from, to, amount);
		//CurrencyBox2.setSelectedItem(new Double(result));
    }//GEN-LAST:event_CurrencyBox2ActionPerformed

    private void CurrencyText1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_CurrencyText1ActionPerformed
        // TODO add your handling code here:
    }//GEN-LAST:event_CurrencyText1ActionPerformed

    private void CurrencyText2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_CurrencyText2ActionPerformed
        // TODO add your handling code here:
    }//GEN-LAST:event_CurrencyText2ActionPerformed

    private void ResetButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_ResetButtonActionPerformed
        CurrencyText1.setText("");

        CurrencyText2.setText("");
    }//GEN-LAST:event_ResetButtonActionPerformed

    /**
     * @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(Converter.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Converter.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Converter.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Converter.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() {
                try {
                    new Converter().setVisible(true);
                } catch (Exception ex) {
                    Logger.getLogger(Converter.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
        });
    }
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JComboBox CurrencyBox1;
    private javax.swing.JComboBox CurrencyBox2;
    private javax.swing.JTextField CurrencyText1;
    private javax.swing.JTextField CurrencyText2;
    private javax.swing.JButton ResetButton;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    // End of variables declaration//GEN-END:variables
}
/*
  String[] temp=null;
        temp= currentfromtext.split(" - ");
        String currFromCode=temp[1];
        
         
          
        temp=convertto.split(" - ");
         String converttoCode=temp[1];
              String URL = "http://finance.yahoo.com/q/bc?s=" + currFromCode + "" + converttoCode + "=X&t=5d&l=on&z=m&q=l&c=";
         try
         {
             String result="";
             URL thePage= new URL(URL);
             BufferedReader in = new BufferedReader(new InputStreamReader(thePage.openStream()));
             
             String InputLine;
             while((InputLine=in.readLine())!=null)
             {
                 result=result+InputLine;
                
             }
             in.close();
 */

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * Converter.java
 *
 * Created on Dec 1, 2011, 8:06:24 PM
 */
package Converter;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JComboBox;
import javax.swing.JFormattedTextField;



/**
 *
 * @author Abdullah
 */
public class Converter extends javax.swing.JFrame {

    /** Creates new form Converter */
     String currentPattern;
    private HashMap<String, Double> HashMap1;
    private ArrayList<String> List;










       private ArrayList<String> currencies  = new ArrayList<String>();;;
    private Converter cc;
DecimalFormat df = new DecimalFormat("#####.00");

    /** Creates new form Converter */

public Converter() throws Exception{
    initComponents();

HashMap1= new HashMap<String, Double>();
List = new ArrayList<String>();
try{
 URL ecb = new URL("http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml");
BufferedReader in = new BufferedReader(new InputStreamReader(ecb.openStream()));
FileWriter fw = new FileWriter("Rates.xml");
String inputLine;


while ((inputLine = in.readLine()) != null){
System.out.println(inputLine);
fw.write(inputLine);

String buff = inputLine;

System.out.println(buff);
                  if(buff.indexOf("<Cube currency")==-1)continue;

                String curr = buff.substring(buff.indexOf("ency=") + 6, buff.indexOf("ency=") +9 );

                  String rate = buff.substring(buff.indexOf("ate=") + 5, buff.lastIndexOf("'"));
                  System.out.println("buff2: " + buff);
                 System.out.println(curr + "  " + rate);
                     HashMap1.put(curr, new Double(rate));
                     currencies.add(curr);




}

in.close();
fw.close();
}
catch(Exception e){
    e.printStackTrace();
System.exit(1);
}







        /** Creates new form CurrencyConverterGUI */

     //   initComponents();
        String[] patternExamples = {"EUR", "USD"};


       // HashMap1 = new HashMap<String, Double>();
        List = new ArrayList<String>();
        //currencies = new ArrayList<String>();

     //   populateHashMap();

        for(String ss: currencies)System.out.println(ss);
         CurrencyBox1.removeAll();
         CurrencyBox2.removeAll();
         for(String s: currencies){
              CurrencyBox1.addItem(s);
                CurrencyBox2.addItem(s);
         }
               CurrencyBox1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox1ActionPerformed(evt);
            }
        });

              CurrencyBox2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox2ActionPerformed(evt);
            }
        });

        /*
        currentPattern = patternExamples[0];

       for(int j=0; j<patternExamples.length; j++){
        CurrencyBox1.addItem(patternExamples[j]);
          CurrencyBox2.addItem(patternExamples[j]);}
        */
        CurrencyBox1.setEditable(false);
             CurrencyBox2.setEditable(false);

        //CurrencyBox1.addActionListener(this);
    }

    private void populateHashMap() {
        Scanner SC = null;
        try {

            SC = new Scanner(new FileReader(new File("Rates.txt")));
        } catch (IOException e) {
            System.err.println("File Error when reading rates.txt file");
            //return;
            System.exit(1);
        }
        while (SC.hasNextLine()) {
            String[] S = SC.nextLine().split(" ");
            currencies.add(S[0]);
          //  HashMap1.put(S[0], Double.valueOf(S[1]));




        }
    }
public Object[] getCurrencies() {
		return List.toArray();
	}

	public double convert(String FC, String TC, double amt) {

	double result = amt / HashMap1.get(FC) * HashMap1.get(TC);
		return result;
                 }
    /** 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() {

        CurrencyBox1 = new javax.swing.JComboBox();
        CurrencyBox2 = new javax.swing.JComboBox();
        CurrencyText1 = new javax.swing.JTextField();
        CurrencyText2 = new javax.swing.JTextField();
        ResetButton = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        CurrencyBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "EUR" }));
        CurrencyBox1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox1ActionPerformed(evt);
            }
        });

        CurrencyBox2.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "USD" }));
        CurrencyBox2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox2ActionPerformed(evt);
            }
        });

        CurrencyText1.setText("0.0");
        CurrencyText1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyText1ActionPerformed(evt);
            }
        });

        CurrencyText2.setText("0.0");
        CurrencyText2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyText2ActionPerformed(evt);
            }
        });

        ResetButton.setText("Reset");
        ResetButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                ResetButtonActionPerformed(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()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(CurrencyText1)
                            .addComponent(CurrencyBox1, 0, 125, Short.MAX_VALUE))
                        .addGap(126, 126, 126)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(CurrencyText2)
                            .addComponent(CurrencyBox2, 0, 97, Short.MAX_VALUE)))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(145, 145, 145)
                        .addComponent(ResetButton)))
                .addContainerGap(59, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(67, 67, 67)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(CurrencyBox1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(CurrencyBox2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(36, 36, 36)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(CurrencyText1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(CurrencyText2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(63, 63, 63)
                .addComponent(ResetButton)
                .addContainerGap(71, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>

    private void CurrencyBox1ActionPerformed(java.awt.event.ActionEvent evt) {

      //  CurrencyText1 = new JFormattedTextField(NumberFormat.getInstance());
       //CurrencyConverter currconv = new CurrencyConverter();

     //   JComboBox cb = (JComboBox) evt.getSource();
        //String from = (String) cb.getSelectedItem();
          String from = (String) CurrencyBox2.getSelectedItem();
        String to =(String)  CurrencyBox1.getSelectedItem();
        //double amount = Double.parseDouble(this.CurrencyText1.getText());
          String s=  this.CurrencyText2.getText();
                 if(s.trim().length() == 0){

//pop up errort message - input is empty
                       return;

                          }

  double amount = Double.parseDouble(s);

       double converted = convert(from, to, amount);

            CurrencyText1.setText(df.format(converted) + "");
            // double result = cc.convert(from, to, amount);
		//CurrencyBox1.setSelectedItem(new Double(result));


    }

    private void CurrencyBox2ActionPerformed(java.awt.event.ActionEvent evt) {
        // JComboBox cb = (JComboBox) evt.getSource();
       // CurrencyConverter currconv = new CurrencyConverter();
        //String from = (String) cb.getSelectedItem();
         String from = (String) CurrencyBox1.getSelectedItem();
        String to = (String) CurrencyBox2.getSelectedItem();
         String s=  CurrencyText1.getText();
               if(s.trim().length() == 0){

//pop up errort message - input is empty
                        return;

                         }

           // double amount = Double.parseDouble(this.CurrencyText1.getText());

             double amount = Double.parseDouble(s);

             System.out.println("from " + from + " to " + to + " amount " + amount);

            double converted = convert(from, to, amount);

            CurrencyText2.setText(df.format(converted) + "");

        //double amount = Double.parseDouble(this.CurrencyText2.getText());
              //  double result = cc.convert(from, to, amount);
		//CurrencyBox2.setSelectedItem(new Double(result));
    }

    private void CurrencyText1ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
    }

    private void CurrencyText2ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
    }

    private void ResetButtonActionPerformed(java.awt.event.ActionEvent evt) {
        CurrencyText1.setText("");

        CurrencyText2.setText("");
    }

    /**
     * @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(Converter.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Converter.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Converter.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Converter.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() {
                try {
                    new Converter().setVisible(true);
                } catch (Exception ex) {
                    Logger.getLogger(Converter.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
        });
    }
    // Variables declaration - do not modify
    private javax.swing.JComboBox CurrencyBox1;
    private javax.swing.JComboBox CurrencyBox2;
    private javax.swing.JTextField CurrencyText1;
    private javax.swing.JTextField CurrencyText2;
    private javax.swing.JButton ResetButton;
    // End of variables declaration
}

<Inventory>
  <Product Id="P1">
    <Description>Amplifier</Description>
    <Model>AMP1210</Model>
    <Price Currency="USD">1500</Price>
</Product>
<ProductId="P2">
    <Description>Tuner</Description>
    <Model>TR9800</Model>
    <Price Currency="USD">2300</Price>
</Product>
<Product Id="P3">
    <Description>BluRay Player</Description>
    <Model>PS3</Model>
    <Price Currency="USD">500</Price>
    </Product>
</Inventory>

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package Converter;

 /*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

//package xmlparser;

import javax.xml.stream.*;
import javax.xml.stream.events.*;
import javax.xml.namespace.*;
import java.util.*;
import java.io.*;

/**
 *
 * @author subramaniana
 */
public class XMLParser {
    private XMLInputFactory xif;
    private XMLEventReader parser;
    private FileReader infile;
    private static HashMap<String, Double> m = new HashMap<String, Double>();
    private String curr;
    private String rat;



    public void Init(){
        xif = XMLInputFactory.newInstance();
        try{
            infile = new FileReader("rates.xml");
            parser = xif.createXMLEventReader(infile);
        }catch(Exception e){
            System.err.println(e);
        }
    }

    public HashMap<String, Double> getHashMap() {
        return m;
    }

    public void parseAll(){
        try{
            while(parser.hasNext()){
                XMLEvent e = parser.nextEvent();
                if(e.isStartElement()){
                    StartElement se = e.asStartElement();
                    String tag = se.getName().getLocalPart();
                    System.out.println("Start Tag Name = " + tag);
                    if(tag.equals("Cube")){
                        curr = null;
                        rat = null;
                    }

                    Iterator<Attribute> it = se.getAttributes();
                    while(it!=null && it.hasNext()){
                        Attribute att = it.next();
                        String AttName = att.getName().toString();
                        String AttVal = att.getValue();
                        System.out.println("Attribute Name = " + AttName);
                        System.out.println("Attribute Value = " + AttVal);
                        if(AttName.equals("rate")) rat = AttVal;
                        else    if(AttName.equals("currency")) curr = AttVal;



                    }
                }

                if(e.isCharacters()){
                    String TagData=e.asCharacters().getData();
                    System.out.println("Tag Data = " + TagData);
                }

                if(e.isEndElement()){
                    EndElement ee = e.asEndElement();
                    String tag = ee.getName().getLocalPart();
                    System.out.println("End Tag Name = " + tag);
                    if(tag.equals("Cube")){

                        if(curr != null && rat != null){
                            m.put(curr, new Double(rat));
                        }
                    }
                }
            }
        }catch(XMLStreamException e){
            System.err.println(e);
        }

        try{
            infile.close();
        }catch(IOException ioe){
            System.err.println(ioe);
        }
    }

    public void parseProduct(String s){
        Init();
        try{
            while(parser.hasNext()){
                XMLEvent e = parser.nextEvent();
                if(e.isStartElement()){
                    StartElement se = e.asStartElement();
                    if(se.getName().getLocalPart().equals("Product")){
                        Attribute IdAtt = se.getAttributeByName(new QName("Id"));
                        if(IdAtt.getValue().equals(s)){
                            System.out.println("Product Id: " + s);
                            while(parser.hasNext()){
                                e=parser.nextEvent();
                                if(e.isStartElement()){
                                    se = e.asStartElement();
                                    String tag = se.getName().getLocalPart();
                                    System.out.println("Start Tag Name = " + tag);

                                    Iterator<Attribute> it = se.getAttributes();
                                    while(it!=null && it.hasNext()){
                                        Attribute att = it.next();
                                        String AttName = att.getName().toString();
                                        String AttVal = att.getValue();
                                        System.out.println("Attribute Name = " + AttName);
                                        System.out.println("Attribute Value = " + AttVal);
                                    }
                                }

                                if(e.isCharacters()){
                                    String TagData=e.asCharacters().getData();
                                    System.out.println("Tag Data = " + TagData);
                                }

                                if(e.isEndElement()){
                                    EndElement ee = e.asEndElement();
                                    String tag = ee.getName().getLocalPart();
                                    if(tag.equals("Product")) return;
                                    System.out.println("End Tag Name = " + tag);
                                }

                            }

                        }
                    }
                }
            }
        }catch(XMLStreamException e){
            System.err.println(e);
        }
    }


    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        XMLParser xp = new XMLParser();
        xp.Init();
        xp.parseAll();
        System.out.println(m);
        System.out.println("**************************");
        xp.parseProduct("P2");
    }
}

XMLParser xp = new XMLParser();
        xp.Init();
        xp.parseAll();
        HashMap1 = xp.getHashMap();

        currencies.addAll(HashMap1.keySet());

XMLParser xp = new XMLParser();
        xp.Init();
        xp.parseAll();
        HashMap1 = xp.getHashMap();

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package Converter;

 /*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

//package xmlparser;

import javax.xml.stream.*;
import javax.xml.stream.events.*;
import javax.xml.namespace.*;
import java.util.*;
import java.io.*;

/**
 *
 * @author subramaniana
 */
public class XMLParser {
    private XMLInputFactory xif;
    private XMLEventReader parser;
    private FileReader infile;
    private static HashMap<String, Double> m = new HashMap<String, Double>();
    private String curr;
    private String rat;



    public void Init(){
        xif = XMLInputFactory.newInstance();
        try{
            infile = new FileReader("rates.xml");
            parser = xif.createXMLEventReader(infile);
        }catch(Exception e){
            System.err.println(e);
        }
    }

    public HashMap<String, Double> getHashMap() {
        return m;
    }

    public void parseAll(){
        try{
            while(parser.hasNext()){
                XMLEvent e = parser.nextEvent();
                if(e.isStartElement()){
                    StartElement se = e.asStartElement();
                    String tag = se.getName().getLocalPart();
                    System.out.println("Start Tag Name = " + tag);
                    if(tag.equals("Cube")){
                        curr = null;
                        rat = null;
                    }

                    Iterator it = se.getAttributes();
                    while(it!=null && it.hasNext()){
                        Attribute att = (Attribute) it.next();
                        String AttName = att.getName().toString();
                        String AttVal = att.getValue();
                        System.out.println("Attribute Name = " + AttName);
                        System.out.println("Attribute Value = " + AttVal);
                        if(AttName.equals("rate")) rat = AttVal;
                        else    if(AttName.equals("currency")) curr = AttVal;



                    }
                }

                if(e.isCharacters()){
                    String TagData=e.asCharacters().getData();
                    System.out.println("Tag Data = " + TagData);
                }

                if(e.isEndElement()){
                    EndElement ee = e.asEndElement();
                    String tag = ee.getName().getLocalPart();
                    System.out.println("End Tag Name = " + tag);
                    if(tag.equals("Cube")){

                        if(curr != null && rat != null){
                            m.put(curr, new Double(rat));
                        }
                    }
                }
            }
        }catch(XMLStreamException e){
            System.err.println(e);
        }

        try{
            infile.close();
        }catch(IOException ioe){
            System.err.println(ioe);
        }
    }

    public void parseProduct(String s){
        Init();
        try{
            while(parser.hasNext()){
                XMLEvent e = parser.nextEvent();
                if(e.isStartElement()){
                    StartElement se = e.asStartElement();
                    if(se.getName().getLocalPart().equals("Product")){
                        Attribute IdAtt = se.getAttributeByName(new QName("Id"));
                        if(IdAtt.getValue().equals(s)){
                            System.out.println("Product Id: " + s);
                            while(parser.hasNext()){
                                e=parser.nextEvent();
                                if(e.isStartElement()){
                                    se = e.asStartElement();
                                    String tag = se.getName().getLocalPart();
                                    System.out.println("Start Tag Name = " + tag);

                                    Iterator it = se.getAttributes();
                                    while(it!=null && it.hasNext()){
                                        Attribute att = (Attribute)it.next();
                                        String AttName = att.getName().toString();
                                        String AttVal = att.getValue();
                                        System.out.println("Attribute Name = " + AttName);
                                        System.out.println("Attribute Value = " + AttVal);
                                    }
                                }

                                if(e.isCharacters()){
                                    String TagData=e.asCharacters().getData();
                                    System.out.println("Tag Data = " + TagData);
                                }

                                if(e.isEndElement()){
                                    EndElement ee = e.asEndElement();
                                    String tag = ee.getName().getLocalPart();
                                    if(tag.equals("Product")) return;
                                    System.out.println("End Tag Name = " + tag);
                                }

                            }

                        }
                    }
                }
            }
        }catch(XMLStreamException e){
            System.err.println(e);
        }
    }


    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        XMLParser xp = new XMLParser();
        xp.Init();
        xp.parseAll();
        System.out.println(m);
        System.out.println("**************************");
        xp.parseProduct("P2");
    }
}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * Converter.java
 *
 * Created on Dec 1, 2011, 8:06:24 PM
 */
package Converter;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.ArrayList;

import java.util.HashMap;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JComboBox;
import javax.swing.JFormattedTextField;



/**
 *
 * @author Abdullah
 */
public class Converter extends javax.swing.JFrame {

    /** Creates new form Converter */
     String currentPattern;
    private HashMap<String, Double> HashMap1;
    private ArrayList<String> List;










       private ArrayList<String> currencies  = new ArrayList<String>();;;
    private Converter cc;
DecimalFormat df = new DecimalFormat("#####.00");

    /** Creates new form Converter */

public Converter() throws Exception{
    initComponents();

HashMap1= new HashMap<String, Double>();
List = new ArrayList<String>();
try{
 URL ecb = new URL("http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml");
BufferedReader in = new BufferedReader(new InputStreamReader(ecb.openStream()));
FileWriter fw = new FileWriter("Rates.xml");
String inputLine;


while ((inputLine = in.readLine()) != null){
System.out.println(inputLine);
fw.write(inputLine);

String buff = inputLine;
/*
System.out.println(buff);
                  if(buff.indexOf("<Cube currency")==-1)continue;

                String curr = buff.substring(buff.indexOf("ency=") + 6, buff.indexOf("ency=") +9 );

                  String rate = buff.substring(buff.indexOf("ate=") + 5, buff.lastIndexOf("'"));
                  System.out.println("buff2: " + buff);
                 System.out.println(curr + "  " + rate);
                     HashMap1.put(curr, new Double(rate));
                     currencies.add(curr);


                     */




}

in.close();
fw.close();
}
catch(Exception e){
    e.printStackTrace();
System.exit(1);
}







        /** Creates new form CurrencyConverterGUI */

     //   initComponents();
        String[] patternExamples = {"EUR", "USD"};


       // HashMap1 = new HashMap<String, Double>();
        List = new ArrayList<String>();
        //currencies = new ArrayList<String>();

     //   populateHashMap();


        XMLParser xp = new XMLParser();
        xp.Init();
        xp.parseAll();
        HashMap1 = xp.getHashMap();

        currencies.addAll(HashMap1.keySet());

       




        for(String ss: currencies)System.out.println(ss);
         CurrencyBox1.removeAll();
         CurrencyBox2.removeAll();
         for(String s: currencies){
              CurrencyBox1.addItem(s);
                CurrencyBox2.addItem(s);
         }
               CurrencyBox1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox1ActionPerformed(evt);
            }
        });

              CurrencyBox2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox2ActionPerformed(evt);
            }
        });

        /*
        currentPattern = patternExamples[0];

       for(int j=0; j<patternExamples.length; j++){
        CurrencyBox1.addItem(patternExamples[j]);
          CurrencyBox2.addItem(patternExamples[j]);}
        */
        CurrencyBox1.setEditable(false);
             CurrencyBox2.setEditable(false);

        //CurrencyBox1.addActionListener(this);
    }

    private void populateHashMap() {
        Scanner SC = null;
        try {

            SC = new Scanner(new FileReader(new File("Rates.txt")));
        } catch (IOException e) {
            System.err.println("File Error when reading rates.txt file");
            //return;
            System.exit(1);
        }
        while (SC.hasNextLine()) {
            String[] S = SC.nextLine().split(" ");
            currencies.add(S[0]);
          //  HashMap1.put(S[0], Double.valueOf(S[1]));




        }
    }
public Object[] getCurrencies() {
		return List.toArray();
	}

	public double convert(String FC, String TC, double amt) {
          //  System.out.println("HashMap1: " + HashMap1);
          //  System.out.println("FC: " + FC);
          //     System.out.println("TC: " + TC);

	double result = amt / HashMap1.get(FC) * HashMap1.get(TC);
		return result;
                 }
    /** 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() {

        CurrencyBox1 = new javax.swing.JComboBox();
        CurrencyBox2 = new javax.swing.JComboBox();
        CurrencyText1 = new javax.swing.JTextField();
        CurrencyText2 = new javax.swing.JTextField();
        ResetButton = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        CurrencyBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "USD"}));
        CurrencyBox1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox1ActionPerformed(evt);
            }
        });

        CurrencyBox2.setModel(new javax.swing.DefaultComboBoxModel(new String[] {"USD" }));
        CurrencyBox2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox2ActionPerformed(evt);
            }
        });

        CurrencyText1.setText("0.0");
        CurrencyText1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyText1ActionPerformed(evt);
            }
        });

        CurrencyText2.setText("0.0");
        CurrencyText2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyText2ActionPerformed(evt);
            }
        });

        ResetButton.setText("Reset");
        ResetButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                ResetButtonActionPerformed(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()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(CurrencyText1)
                            .addComponent(CurrencyBox1, 0, 125, Short.MAX_VALUE))
                        .addGap(126, 126, 126)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(CurrencyText2)
                            .addComponent(CurrencyBox2, 0, 97, Short.MAX_VALUE)))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(145, 145, 145)
                        .addComponent(ResetButton)))
                .addContainerGap(59, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(67, 67, 67)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(CurrencyBox1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(CurrencyBox2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(36, 36, 36)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(CurrencyText1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(CurrencyText2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(63, 63, 63)
                .addComponent(ResetButton)
                .addContainerGap(71, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>

    private void CurrencyBox1ActionPerformed(java.awt.event.ActionEvent evt) {

      //  CurrencyText1 = new JFormattedTextField(NumberFormat.getInstance());
       //CurrencyConverter currconv = new CurrencyConverter();

     //   JComboBox cb = (JComboBox) evt.getSource();
        //String from = (String) cb.getSelectedItem();
          String from = (String) CurrencyBox2.getSelectedItem();
        String to =(String)  CurrencyBox1.getSelectedItem();
        //double amount = Double.parseDouble(this.CurrencyText1.getText());
          String s=  this.CurrencyText2.getText();
                 if(s.trim().length() == 0){

//pop up errort message - input is empty
                       return;

                          }

  double amount = Double.parseDouble(s);

       double converted = convert(from, to, amount);

            CurrencyText1.setText(df.format(converted) + "");
            // double result = cc.convert(from, to, amount);
		//CurrencyBox1.setSelectedItem(new Double(result));


    }

    private void CurrencyBox2ActionPerformed(java.awt.event.ActionEvent evt) {
        // JComboBox cb = (JComboBox) evt.getSource();
       // CurrencyConverter currconv = new CurrencyConverter();
        //String from = (String) cb.getSelectedItem();
         String from = (String) CurrencyBox1.getSelectedItem();
        String to = (String) CurrencyBox2.getSelectedItem();
         String s=  CurrencyText1.getText();
               if(s.trim().length() == 0){

//pop up errort message - input is empty
                        return;

                         }

           // double amount = Double.parseDouble(this.CurrencyText1.getText());

             double amount = Double.parseDouble(s);

             System.out.println("from " + from + " to " + to + " amount " + amount);

            double converted = convert(from, to, amount);

            CurrencyText2.setText(df.format(converted) + "");

        //double amount = Double.parseDouble(this.CurrencyText2.getText());
              //  double result = cc.convert(from, to, amount);
		//CurrencyBox2.setSelectedItem(new Double(result));
    }

    private void CurrencyText1ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
               String from = (String) CurrencyBox1.getSelectedItem();
        String to = (String) CurrencyBox2.getSelectedItem();
         String s=  CurrencyText1.getText();
               if(s.trim().length() == 0){

//pop up errort message - input is empty
                        return;

                         }

           // double amount = Double.parseDouble(this.CurrencyText1.getText());

             double amount = Double.parseDouble(s);

             System.out.println("from " + from + " to " + to + " amount " + amount);

            double converted = convert(from, to, amount);

            CurrencyText2.setText(df.format(converted) + "");



    }

    private void CurrencyText2ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
               String from = (String) CurrencyBox1.getSelectedItem();
        String to = (String) CurrencyBox2.getSelectedItem();
         String s=  CurrencyText2.getText();
               if(s.trim().length() == 0){

//pop up errort message - input is empty
                        return;

                         }

           // double amount = Double.parseDouble(this.CurrencyText1.getText());

             double amount = Double.parseDouble(s);

             System.out.println("from " + from + " to " + to + " amount " + amount);

            double converted = convert(from, to, amount);

            CurrencyText1.setText(df.format(converted) + "");

    }

    private void ResetButtonActionPerformed(java.awt.event.ActionEvent evt) {
        CurrencyText1.setText("");

        CurrencyText2.setText("");
    }

    /**
     * @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(Converter.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Converter.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Converter.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Converter.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() {
                try {
                    new Converter().setVisible(true);
                } catch (Exception ex) {
                    Logger.getLogger(Converter.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
        });
    }
    // Variables declaration - do not modify
    private javax.swing.JComboBox CurrencyBox1;
    private javax.swing.JComboBox CurrencyBox2;
    private javax.swing.JTextField CurrencyText1;
    private javax.swing.JTextField CurrencyText2;
    private javax.swing.JButton ResetButton;
    // End of variables declaration
}

// TODO add your handling code here:
               String from = (String) CurrencyBox1.getSelectedItem();
        String to = (String) CurrencyBox2.getSelectedItem();
         String s=  CurrencyText2.getText();
               if(s.trim().length() == 0){

//pop up errort message - input is empty
                        return;

                         }

           // double amount = Double.parseDouble(this.CurrencyText1.getText());

             double amount = Double.parseDouble(s);

             System.out.println("from " + from + " to " + to + " amount " + amount);

            double converted = convert(from, to, amount);

            CurrencyText2.setText(df.format(converted) + "");

package Converter;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JComboBox;
import javax.swing.JFormattedTextField;

/**
 *
 * @author Abdullah
 */
public class Converter1 extends javax.swing.JFrame {
/** Creates new form Converter */
     String currentPattern;
    private HashMap<String, Double> HashMap1;
    private ArrayList<String> List;










       private ArrayList<String> currencies  = new ArrayList<String>();;;
    private Converter1 cc;
DecimalFormat df = new DecimalFormat("#####.00");

    /** Creates new form Converter */

public Converter1() throws Exception{
    initComponents();

HashMap1= new HashMap<String, Double>();
List = new ArrayList<String>();
try{
 URL ecb = new URL("http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml");
BufferedReader in = new BufferedReader(new InputStreamReader(ecb.openStream()));
FileWriter fw = new FileWriter("Rates.xml");
String inputLine;


while ((inputLine = in.readLine()) != null){
System.out.println(inputLine);
fw.write(inputLine);

String buff = inputLine;
/*
System.out.println(buff);
                  if(buff.indexOf("<Cube currency")==-1)continue;

                String curr = buff.substring(buff.indexOf("ency=") + 6, buff.indexOf("ency=") +9 );

                  String rate = buff.substring(buff.indexOf("ate=") + 5, buff.lastIndexOf("'"));
                  System.out.println("buff2: " + buff);
                 System.out.println(curr + "  " + rate);
                     HashMap1.put(curr, new Double(rate));
                     currencies.add(curr);


                     */




}

in.close();
fw.close();
}
catch(Exception e){
    e.printStackTrace();
System.exit(1);
}







        /** Creates new form CurrencyConverterGUI */

     //   initComponents();
        String[] patternExamples = {"EUR", "USD"};


       // HashMap1 = new HashMap<String, Double>();
        List = new ArrayList<String>();
        //currencies = new ArrayList<String>();

     //   populateHashMap();


        XMLParser xp = new XMLParser();
        xp.Init();
        xp.parseAll();
        HashMap1 = xp.getHashMap();

        currencies.addAll(HashMap1.keySet());

       




        for(String ss: currencies)System.out.println(ss);
         CurrencyBox1.removeAll();
         CurrencyBox2.removeAll();
         for(String s: currencies){
              CurrencyBox1.addItem(s);
                CurrencyBox2.addItem(s);
         }
               CurrencyBox1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox1ActionPerformed(evt);
            }
        });

              CurrencyBox2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox2ActionPerformed(evt);
            }
        });

        /*
        currentPattern = patternExamples[0];

       for(int j=0; j<patternExamples.length; j++){
        CurrencyBox1.addItem(patternExamples[j]);
          CurrencyBox2.addItem(patternExamples[j]);}
        */
        CurrencyBox1.setEditable(false);
             CurrencyBox2.setEditable(false);

        //CurrencyBox1.addActionListener(this);
    }

    private void populateHashMap() {
        Scanner SC = null;
        try {

            SC = new Scanner(new FileReader(new File("Rates.txt")));
        } catch (IOException e) {
            System.err.println("File Error when reading rates.txt file");
            //return;
            System.exit(1);
        }
        while (SC.hasNextLine()) {
            String[] S = SC.nextLine().split(" ");
            currencies.add(S[0]);
          //  HashMap1.put(S[0], Double.valueOf(S[1]));




        }
    }
public Object[] getCurrencies() {
		return List.toArray();
	}

	public double convert(String FC, String TC, double amt) {
          //  System.out.println("HashMap1: " + HashMap1);
          //  System.out.println("FC: " + FC);
          //     System.out.println("TC: " + TC);

	double result = amt / HashMap1.get(FC) * HashMap1.get(TC);
		return result;
    }

    /** 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() {

        ResetButton = new javax.swing.JButton();
        CurrencyBox1 = new javax.swing.JComboBox();
        CurrencyBox2 = new javax.swing.JComboBox();
        CurrencyText1 = new javax.swing.JTextField();
        CurrencyText2 = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        getContentPane().setLayout(new org.netbeans.lib.awtextra.AbsoluteLayout());

        ResetButton.setFont(new java.awt.Font("Times New Roman", 3, 14));
        ResetButton.setText("Reset");
        ResetButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                ResetButtonActionPerformed(evt);
            }
        });
        getContentPane().add(ResetButton, new org.netbeans.lib.awtextra.AbsoluteConstraints(140, 250, -1, -1));

        CurrencyBox1.setFont(new java.awt.Font("Times New Roman", 3, 14));
        CurrencyBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "USD", "JPY", "BGN", "CZK", "DKK", "GBP", "HUF", "LTL", "LVL", "PLN", "RON", "SEK", "CHF", "NOK", "HRK", "RUB", "TRY", "AUD", "BRL", "CAD", "CNY", "HKD", "IDR", "ILS", "INR", "KRW", "MXN", "MYR", "NZD", "PHP", "SGD", "THB", "ZAR" }));
        CurrencyBox1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox1ActionPerformed(evt);
            }
        });
        getContentPane().add(CurrencyBox1, new org.netbeans.lib.awtextra.AbsoluteConstraints(25, 91, 120, -1));

        CurrencyBox2.setFont(new java.awt.Font("Times New Roman", 3, 14));
        CurrencyBox2.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "USD", "JPY", "BGN", "CZK", "DKK", "GBP", "HUF", "LTL", "LVL", "PLN", "RON", "SEK", "CHF", "NOK", "HRK", "RUB", "TRY", "AUD", "BRL", "CAD", "CNY", "HKD", "IDR", "ILS", "INR", "KRW", "MXN", "MYR", "NZD", "PHP", "SGD", "THB", "ZAR" }));
        CurrencyBox2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyBox2ActionPerformed(evt);
            }
        });
        getContentPane().add(CurrencyBox2, new org.netbeans.lib.awtextra.AbsoluteConstraints(199, 91, 120, -1));

        CurrencyText1.setText("0.0");
        CurrencyText1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyText1ActionPerformed(evt);
            }
        });
        getContentPane().add(CurrencyText1, new org.netbeans.lib.awtextra.AbsoluteConstraints(25, 186, 120, -1));

        CurrencyText2.setText("0.0");
        CurrencyText2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CurrencyText2ActionPerformed(evt);
            }
        });
        getContentPane().add(CurrencyText2, new org.netbeans.lib.awtextra.AbsoluteConstraints(199, 186, 120, -1));

        jLabel1.setFont(new java.awt.Font("Times New Roman", 3, 18)); // NOI18N
        jLabel1.setText("From:");
        getContentPane().add(jLabel1, new org.netbeans.lib.awtextra.AbsoluteConstraints(25, 68, -1, -1));

        jLabel2.setFont(new java.awt.Font("Times New Roman", 3, 18)); // NOI18N
        jLabel2.setText("To");
        getContentPane().add(jLabel2, new org.netbeans.lib.awtextra.AbsoluteConstraints(199, 68, -1, -1));

        jLabel3.setFont(new java.awt.Font("Times New Roman", 3, 18)); // NOI18N
        jLabel3.setText("The Result:");
        getContentPane().add(jLabel3, new org.netbeans.lib.awtextra.AbsoluteConstraints(25, 163, -1, -1));

        jLabel4.setFont(new java.awt.Font("Times New Roman", 3, 24)); // NOI18N
        jLabel4.setText(" Converter");
        getContentPane().add(jLabel4, new org.netbeans.lib.awtextra.AbsoluteConstraints(90, 20, -1, -1));

        jLabel5.setFont(new java.awt.Font("PMingLiU", 3, 18)); // NOI18N
        jLabel5.setForeground(new java.awt.Color(255, 255, 0));
        getContentPane().add(jLabel5, new org.netbeans.lib.awtextra.AbsoluteConstraints(10, 10, -1, -1));

        pack();
    }// </editor-fold>                        

    private void CurrencyBox1ActionPerformed(java.awt.event.ActionEvent evt) {                                             
      //  CurrencyText1 = new JFormattedTextField(NumberFormat.getInstance());
       //CurrencyConverter currconv = new CurrencyConverter();

     //   JComboBox cb = (JComboBox) evt.getSource();
        //String from = (String) cb.getSelectedItem();
          String from = (String) CurrencyBox2.getSelectedItem();
        String to =(String)  CurrencyBox1.getSelectedItem();
        //double amount = Double.parseDouble(this.CurrencyText1.getText());
          String s=  this.CurrencyText2.getText();
                 if(s.trim().length() == 0){

//pop up errort message - input is empty
                       return;

                          }

  double amount = Double.parseDouble(s);

       double converted = convert(from, to, amount);

            CurrencyText1.setText(df.format(converted) + "");
            // double result = cc.convert(from, to, amount);
		//CurrencyBox1.setSelectedItem(new Double(result));

    }                                            

    private void CurrencyBox2ActionPerformed(java.awt.event.ActionEvent evt) {                                             
         // TODO add your handling code here:
               String from = (String) CurrencyBox1.getSelectedItem();
        String to = (String) CurrencyBox2.getSelectedItem();
         String s=  CurrencyText2.getText();
               if(s.trim().length() == 0){

//pop up errort message - input is empty
                        return;

                         }

           // double amount = Double.parseDouble(this.CurrencyText1.getText());

             double amount = Double.parseDouble(s);

             System.out.println("from " + from + " to " + to + " amount " + amount);

            double converted = convert(from, to, amount);

            CurrencyText1.setText(df.format(converted) + "");
    }                                            

    private void ResetButtonActionPerformed(java.awt.event.ActionEvent evt) {                                            
        CurrencyText1.setText("");

        CurrencyText2.setText("");
    }                                           

    private void CurrencyText1ActionPerformed(java.awt.event.ActionEvent evt) {                                              
        // TODO add your handling code here:
               String from = (String) CurrencyBox2.getSelectedItem();
        String to = (String) CurrencyBox1.getSelectedItem();
         String s=  CurrencyText2.getText();
               if(s.trim().length() == 0){

//pop up errort message - input is empty
                        return;

                         }

           // double amount = Double.parseDouble(this.CurrencyText1.getText());

             double amount = Double.parseDouble(s);

             System.out.println("from " + from + " to " + to + " amount " + amount);

            double converted = convert(from, to, amount);

            CurrencyText2.setText(df.format(converted) + "");

    }                                             

    private void CurrencyText2ActionPerformed(java.awt.event.ActionEvent evt) {                                              
       // TODO add your handling code here:
               String from = (String) CurrencyBox2.getSelectedItem();
        String to = (String) CurrencyBox2.getSelectedItem();
         String s=  CurrencyText2.getText();
               if(s.trim().length() == 0){

//pop up errort message - input is empty
                        return;

                         }

           // double amount = Double.parseDouble(this.CurrencyText1.getText());

             double amount = Double.parseDouble(s);

             System.out.println("from " + from + " to " + to + " amount " + amount);

            double converted = convert(from, to, amount);

            CurrencyText2.setText(df.format(converted) + "");

    }                                             

    /**
     * @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(Converter1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Converter1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Converter1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Converter1.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() {
                try {
                    new Converter1().setVisible(true);
                } catch (Exception ex) {
                    Logger.getLogger(Converter1.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
        });
    }
    // Variables declaration - do not modify                     
    private javax.swing.JComboBox CurrencyBox1;
    private javax.swing.JComboBox CurrencyBox2;
    private javax.swing.JTextField CurrencyText1;
    private javax.swing.JTextField CurrencyText2;
    private javax.swing.JButton ResetButton;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    // End of variables declaration                   
}

String from = (String) CurrencyBox2.getSelectedItem();
        String to =(String)  CurrencyBox1.getSelectedItem();
        //double amount = Double.parseDouble(this.CurrencyText1.getText());
          String s=  this.CurrencyTxt2.getText();
                 if(s.trim().length() == 0){

//pop up errort message - input is empty
                       
 return;
                          }

  double amount = Double.parseDouble(s);

       double converted = convert(from, to, amount);

            CurrencyTxt1.setText(df.format(converted) + "");