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/*
 * CS 3114 Project 2
 * Author: Kevin Lee
 * Compiler: Eclipse 3.7.0
 * Operating System: Windows 7 x64
 * Date Completed: 10/7/2011
 * 
 * The following program is an implementation of two different
 * trees that allows for efficient storing of records with
 * coordinates. A binary search tree is used to allow for
 * efficient search by name, while a point region quad tree is
 * used to allow for efficient search by coordinates. The 
 * program parses an input file for commands, and outputs the
 * results to standard out.
 * 
 * On my honor:
 *
 * - I have not used source code obtained from another student,
 * or any other unauthorized source, either modified or
 * unmodified.
 *
 * - All source code and documentation used in my program is
 * either my original work, or was derived by me from the
 * source code published in the textbook for this course.
 *
 * - I have not discussed coding details about this project with
 * anyone other than my partner (in the case of a joint
 * submission), instructor, ACM/UPE tutors or the TAs assigned
 * to this course. I understand that I may discuss the concepts
 * of this program with other students, and that another student
 * may help me debug my program so long as neither of us writes
 * anything during the discussion or modifies any computer file
 * during the discussion. I have violated neither the spirit nor
 * letter of this restriction.
 */

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;

public class PRProg {

        public static void main(String[] args) {

                String input_commandFile; // Location of file to parse

                // 3 arguments must be supplied to the program
                if (args.length != 1) {
                        System.out.println("1 Arguments must be supplied!");
                        return;
                }

                // Parses passed arguments into member variables
                input_commandFile = args[0];

                // Check to make sure the command file exists
                File cmdFile = new File(input_commandFile);
                if (!cmdFile.exists()) {
                        System.out.printf("Command file not found");
                        return;
                }
                
                CmdParser GISParser = new CmdParser();
                
                // Parse each command with the memory client
                try {
                        BufferedReader reader = new BufferedReader(new FileReader(cmdFile));
                        String cin;
                        while ((cin = reader.readLine()) != null) {
                                cin = cin.trim();
                                if (cin.length() != 0) {
                                        // Send string to command parser
                                        GISParser.Parse(cin);
                                }
                        }
                } catch (FileNotFoundException e) {
                        System.out.printf("Command file not found");
                        return;
                } catch (IOException e) {
                        System.out.printf("Unable to read input file");
                        return;
                }
        }
}