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/*******************************************************************************
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/*******************************************************************************
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 * File: ConfigParser.java
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 * ConfigParser.java
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 *
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 *
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 * Holds the ConfigParser class, which automatically parses the given
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 * Holds the ConfigParser class, which automatically parses the given
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 * configuration file.
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 * configuration file.
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 *
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 *
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 * Copyright (c) 2006, Ira W. Snyder (devel@irasnyder.com)
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 * Copyright (c) 2006, Ira W. Snyder (devel@irasnyder.com)
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import java.io.*;
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import java.io.*;
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import java.lang.String;
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import java.lang.String;
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import java.util.Vector;
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import java.util.Vector;
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/**
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 * Automatic parser for the CS431 Project #1 configuration format. This will
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 * read from the keyboard unless a filename is given.
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 *
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 * @class CS431 Spring 2006
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 * @author Ira W. Snyder (devel@irasnyder.com)
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 */
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class ConfigParser
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public class ConfigParser
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{
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{
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    /** Current input device: keyboard or file */
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    private BufferedReader input;
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    private BufferedReader input;
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    /** Flag specifying the input type */
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    private boolean kbd_input = false;
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    private boolean kbd_input = false;
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    /** The Round Robin Interval listed in the configuration */
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    private int RRInterval;
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    private int RRInterval;
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    /** The Processes that were listed in the configuration */
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    private Vector<Process> Processes = new Vector<Process> ();
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    private Vector<Process> Processes = new Vector<Process> ();
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    /**
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     * Constructor for the ConfigParser class. This is the default constructor,
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     * which will read from the keyboard.
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     */
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    public ConfigParser ()
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    public ConfigParser ()
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    {
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    {
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        input = new BufferedReader (
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        input = new BufferedReader (
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                    new InputStreamReader (System.in));
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                    new InputStreamReader (System.in));
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        kbd_input = true;
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        kbd_input = true;
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        parse ();
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        parse ();
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    }
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    }
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    /**
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     * Constructor for the the ConfigParser class. This constructor reads its
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     * input from a file.
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     *
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     * @param filename the file to read input from
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     */
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    public ConfigParser (String filename)
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    public ConfigParser (String filename)
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    {
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    {
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        try
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        try
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        {
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        {
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            input = new BufferedReader (
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            input = new BufferedReader (
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        }
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        }
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        parse ();
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        parse ();
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    }
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    }
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    /**
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     * Read all values via the current input method, and store them so that
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     * they can be read later.
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     * <p>
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     * This method is automatically called by the constructors of this class.
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     */
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    private void parse ()
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    private void parse ()
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    {
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    {
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        String s = null;
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        String s = null;
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        int ptime;
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        int ptime;
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        String pname;
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        String pname;
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            System.err.println ("Error reading file!");
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            System.err.println ("Error reading file!");
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            System.exit (2);
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            System.exit (2);
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        }
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        }
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    }
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    }
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    /**
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     * Accessor method for the private variable Processes.
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     * <p>
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     * NOTE: this is NOT a copy, so don't modify this! Make a copy first.
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     *
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     * @return the private variable Processes.
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     */
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    public Vector<Process> getProcesses ()
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    public Vector<Process> getProcesses ()
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    {
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    {
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        return this.Processes;
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        return this.Processes;
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    }
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    }
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    /**
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     * Accessor method for the private variable RRInterval.
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     *
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     * @return the Round Robin Interval from the configuration file
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     */
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    public int getRRInterval ()
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    public int getRRInterval ()
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    {
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    {
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        return this.RRInterval;
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        return this.RRInterval;
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    }
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    }
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}
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}