isdirectoryexception.java

1．文件和目录管理

/**
 * IsDirectoryException extends Exception throws when to copy file 
 * or to stastic file but the file is a directory
 * and show a message dialog
 */

package file;
import javax.swing.*;
import java.io.*;

public class IsDirectoryException extends Exception {
	
	public IsDirectoryException(String fileName) {
		
		super(fileName);
		JOptionPane.showMessageDialog(null,
					"File " + fileName + " is a foder not a file !");
	}
}