//FileChooserDemo.java
//demo file open and save dialog windows of JFileChooser

import java.io.*;            //File
import javax.swing.*;        //JFileChooser

public class FileChooserDemo {

    public static void main( String[] args ) {

	File myFile;
	File myFolder;
	int status;

	//GUI widget for file/folder browsing
	JFileChooser myChooser = new JFileChooser();
	
	//do an Open dialog
	status = myChooser.showOpenDialog( null );//arg is frame to display in

	if ( status == JFileChooser.APPROVE_OPTION ) {  //means Open clicked
                                 //.CANCEL_OPTION   is the other Cancel button
                                 
	    //determine what was chosen by user:                               
	    myFile = myChooser.getSelectedFile();
	    myFolder = myChooser.getCurrentDirectory();

	    System.out.println( "Selected file: " + myFile.getName() );
	    System.out.println( "Folder name: " + myFolder.getName() );
	    System.out.println( "File pathname: " + myFile.getAbsolutePath() );

	    //now could actually open and read from the file...
	}

	System.out.println();

	//now do a Save dialog
	myChooser = new JFileChooser();
	status = myChooser.showSaveDialog( null );    //Save and Cancel buttons
	if ( status == JFileChooser.APPROVE_OPTION ) {  //means Save clicked

	    //determine what was chosen by user:                               
	    myFile = myChooser.getSelectedFile();
	    myFolder = myChooser.getCurrentDirectory();

	    System.out.println( "Selected file: " + myFile.getName() );
	    System.out.println( "Folder name: " + myFolder.getName() );
	    System.out.println( "File pathname: " + myFile.getAbsolutePath() );

	    //now could actually open and write to the file...i.e. Save something
	}


	System.out.println();
	System.out.println();

	//seperately from using a JFileChooser,
	//can determine if a named File exists, or is a file or a folder

	myFile = new File( "arfarfarf.data" );
	//check that the file exists:
	if ( !myFile.exists() )
	    System.out.println( "File not found: " + myFile.getName() );
	

	//check that the file is a file (or a folder (i.e. directory))
	myFile = new File( "dummyFolder" );  //test with various things
	if ( myFile.isFile() )    
	    System.out.println( "Is a file: " + myFile.getName() );
	else if ( myFile.isDirectory() )    
	    System.out.println( "Is a folder: " + myFile.getName() );
	else
	    System.out.println( "Is neither a file nor folder: " + myFile.getName() );
	
    }
}