/*

  * @author Walther Neuper, member of the ISAC-team, 

  * Copyright (c) 2005 by Walther Neuper 

  * created Mar 12, 2005 8:09:42 AM

  * Institute for Softwaretechnology, Graz University of Technology, Austria.

  * 

  * Use is subject to PGPL license terms.

  */

 package isac.util.users;

 import java.io.FileInputStream;

 import java.io.FileNotFoundException;

 import java.io.FileOutputStream;

 import java.io.IOException;

 import java.util.Enumeration;

 import java.util.Properties;

 /**

  * @author Walther Neuper

  * 

  * contains passwords looking forward to handle security issues elsewhere

  * (outside isac)

  */

 public class Accounts extends Properties {

     public Accounts(String userpath) {

         String filename = userpath + "accounts.txt";

         try {

             FileInputStream propInFile = new FileInputStream(filename);

             this.load(propInFile);

             this.list(System.out);

         } catch (FileNotFoundException e) {

             System.err.println("Can?t find " + filename);

         } catch (IOException e) {

             System.err.println("I/O failed.");

         }

     }

     public boolean exists(String username) {

         Enumeration keys = this.propertyNames();//WN050311 how better ?

         String key = null;

         while (keys.hasMoreElements()) {

             key = (String) keys.nextElement();

             if (key.compareTo(username) == 0)

                 return true;

         }

         return false;

     }

     //WN050311 just for creation of the first file

     //beware of the fix path !

     public static void main(String[] args) {

         Accounts acs = new Accounts("isac/xmldata/users");

         acs.setProperty("x", "x");

         acs.setProperty("y", "y");

         acs.setProperty("anonymous", "anonymous");

         String filename = "isac/xmldata/users/accounts.txt";

         try {

             FileOutputStream propOutFile = new FileOutputStream(filename);

             acs.store(propOutFile, "the list of isac users");

         } catch (IOException e) {

             System.err.println("I/O failed.");

         }

     }

 }