/*
    DemoFileObject.java
    2013-11-22
    David G. Klick
    
    Demonstrates the use of the File object.
*/
import java.io.File;
import java.util.Scanner;

public class DemoFileObject {
    public static void main(String[] args) {
        Scanner kbd = new Scanner(System.in);
        String filename = null;
        StringBuilder msg = new StringBuilder();
        do {
            msg.setLength(0);
            System.out.print("Enter a filename (ENTER to quit): ");
            filename = kbd.nextLine();
            if (filename.length() > 0) {
                File file = new File(filename);
                if (!file.exists()) {
                    msg.append("File does not exist\n");
                } else {
                    if (file.canRead()) msg.append("File is readable\n");
                    if (file.canWrite()) msg.append("File is writeable\n");
                    if (file.canExecute()) msg.append("File is executable\n");
                    if (file.isDirectory()) msg.append("File is a directory\n");
                    if (file.isFile()) msg.append("File is a regular file\n");
                    msg.append("File is " + file.length() + " bytes long\n");
                }
                System.out.println(msg.toString());
            }
        } while (filename.length() != 0);
    }
}