Getting the exace application page openning through java...

Question

Hi friends,
I am able to open Ms word or Excel or any other application through java. Now I want to know in word or excel which pages the user has opened. How can I do this? that is....if user opnes abc.doc or abc.pdf through respective applications I should know that he has opned abc.pdf or abc.doc....
Can anybody tell we what should I do?
Thanks,
BRS.

Answer 1

Hi ,
try my sample code and understand.
import java.awt.BorderLayout;
import java.awt.event.* ;
import java.io.* ;
import javax.swing.* ;
import sun.awt.shell.ShellFolder;
* @author Little Dany
public class OtherApp
        extends JFrame {
    private JFileChooser fc ;
    private OtherApp() {
        super() ;
        setTitle( "Running Other Application" ) ;
        setDefaultCloseOperation( EXIT_ON_CLOSE ) ;
        init() ;
        setSize( 400 , 300 ) ;
        setVisible( true ) ;
    private void init() {
        fc = new JFileChooser() ;
        fc.setApproveButtonText( "Execute" ) ;
        getContentPane().add( new JButton( new ButAct() ) , BorderLayout.SOUTH ) ;
    public class ButAct extends AbstractAction {
        public ButAct() {
            super( "Button" ) ;
        public void actionPerformed ( ActionEvent actEvt ) {
            int r = fc.showOpenDialog( OtherApp.this ) ;
            if( r != JFileChooser.APPROVE_OPTION )
                return ;
            openFile( fc.getSelectedFile() ) ;
        private void openFile( File file ) {
            Runtime r = Runtime.getRuntime() ;
            String cmd = getExecutable( file ) ;
            if( cmd == null )
                cmd = file.getPath() ;
            else
                cmd = cmd + " \"" + file.getPath() + "\"" ;
            try {
                Process p = r.exec( cmd ) ;
            } catch ( IOException ioe ) {
                ioe.printStackTrace() ;
        private String getExecutable( File file ) {
            try {
                ShellFolder sf = ShellFolder.getShellFolder( file ) ;
                String s = sf.getExecutableType() ;
                if( s != null )
                    return s ;
            } catch ( FileNotFoundException fnfe ) {
                fnfe.printStackTrace() ;
            String ext = getFileExtention( file ) ;
            if( ext == null || ext.equals( "txt" ) )
                return "notepad" ;
            else if( ext.equals( "doc" ) || ext.equals( ".rtf" ) )
                return "winword" ;
            else if( ext.equals( ".ppt" ) || ext.equals( ".pps" ) )
                return "powerpnt" ;
            // Add more else if for handle more files like pdf
            // return value is the path of the executable
            // ex. return "C:\\program files\\notepad.exe" ;
            // ex. return "notepad" ; // if notepad.exe in the path variable.
            return null ;
        private String getFileExtention( File file ) {
            String name = file.getName() ;
            int id = name.lastIndexOf( '.' ) ;
            if( id == -1 || id == name.length() - 1 )
                return null ;
            return name.substring( id + 1 ) ;
    public static void main ( String[] args ) {
        SwingUtilities.invokeLater( new Runnable() {
            public void run () {
                new OtherApp() ;
}