Reading Japanese Text

Question

Hi,
I have a standalone program that would like to read in a text file and display in the textarea. The problem is, the text file is encoded in Japanese using JIS, EUC, and SJIS. Is there a way for me to detect, upon opening the file, which decoder to use, and how can I display the Japanese character correctly on the textarea? Please help. Thanks.
angela

Answer 1

Below is what I have now. It works fine. The only problem is, I'm harding it to decode using SJIS. That means I can read any files encoded using JIS or EUC. Is there a way for me to detect how the text file is encoded and use the appropriate decoder for it? Please help. Thanks.
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Japanese extends JDialog
   JScrollPane scrollPane;
   JTextArea textArea;
   JButton openButton;
   JTextField textField;
   public Japanese ()
      getContentPane().setLayout ( new BorderLayout () );
      getContentPane().setSize ( 500, 500 );
      textArea = new JTextArea ();
      scrollPane = new JScrollPane ( textArea );
      getContentPane().add ( scrollPane, BorderLayout.CENTER );
      JPanel bottomPanel = new JPanel ();
      openButton = new JButton ( "Open" );
      openButton.addActionListener ( new ActionListener ()
         public void actionPerformed ( ActionEvent e )
            textArea.setText ( "" );
            textArea.setCaretPosition ( 0 );
            openFile ( textField.getText () );
      textField = new JTextField (20);
      bottomPanel.setLayout ( new FlowLayout ( FlowLayout.LEFT ));
      bottomPanel.add ( textField );
      bottomPanel.add ( openButton );
      getContentPane().add ( bottomPanel, BorderLayout.SOUTH );                    
   private void openFile ( String filename )
      File file = new File ( filename );
      if (! file.exists () )
         System.out.println("file does not exist \n");
      else
         try
            //read file
            BufferedReader br = new BufferedReader ( new InputStreamReader ( new FileInputStream (file), "SJIS" ) );
            String nextLine = br.readLine ();
            while ( nextLine != null )
               textArea.append ( nextLine + "\n");
               nextLine = br.readLine ();
            textArea.setCaretPosition ( 0 );
         catch ( Exception exp )
            exp.printStackTrace ();
   public static void main ( String args [] )
      Japanese japanese = new Japanese ();
      japanese.show ();