/*

 * @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.");

        }

    }

}