JCFMap.java

/*
 * Name: Janan Patel
 * Date: 12/13/2021
 * Course Number: CSC 220
 * Course Name:	Data Structures
 * Problem Number: 14
 * Email: jkpatel2001@student.stcc.edu
 * Short Description of the Problem: Intro to maps and how to use them to build a message
 */

import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map.Entry;
import java.util.Scanner;

public class JCFMap {
	private final static String TITLE = "The Message Building Program";
	private final static String CONTINUE_PROMPT = "Do this again? [y/N] ";

	// **********************************************
	// Put as many methods you need here

	// **********************************************
	// Start your logic coding in the process method
	private static void process(Scanner input, String args[]) throws Exception {
		String message = "";
		int userValue = 0;
		System.out.println("Pick a library from 1-4 inclusively: ");

		
			userValue = input.nextInt();
			

		input.nextLine();
		try {	
		URL url = new URL("https://cs.stcc.edu/~silvestri/messagebuilding/library" + userValue + ".txt");
		Scanner sc = new Scanner(url.openStream());
		System.out.println("Enter the message that you would like to build: ");
		message = input.nextLine();
		message = message.replaceAll("\\p{Punct}", "");
		message = message.toLowerCase();
		String strArray[] = message.split(" ");
		List<String> missingValues = new ArrayList<String>();
		HashMap<Integer, String> map = new HashMap<Integer, String>();

		int count = 0;
		while (sc.hasNext()) {
			map.put(count, sc.next());
			count++;

		}
		
		boolean trueorfalse = false;
		for (int i = 0; i < strArray.length; i++) {

			for (Entry<Integer, String> entry : map.entrySet()) {

				int key = entry.getKey();
				String value = entry.getValue();

				if (strArray[i].equals(value)) {
					trueorfalse = true;

					map.remove(key, value);
					break;

				}

				else
					trueorfalse = false;

			}
			if (map.entrySet().isEmpty() && i != strArray.length - 1 && trueorfalse == true) {
				for (int j = i + 1; j < strArray.length; j++) {
					missingValues.add(strArray[j]);

				}
				trueorfalse = false;
				break;
			}

			if (trueorfalse == false) {
				missingValues.add(strArray[i]);

			}

		}

		if (trueorfalse == true) {
			System.out.println("YES, THIS SENTENCE IS BUILDABLE");
		} else {
			System.out.println("NO, Here is why. The following values are missing from the server:");
			for (int i = 0; i < missingValues.size(); i++) {
				if (i == missingValues.size() - 1)
					System.out.print(missingValues.get(i));
				else
					System.out.print(missingValues.get(i) + ", ");

			}
		}
		System.out.println();
	
	}catch (Exception e) {
		System.out.println("You can't use a number above 4 or below 1");
	}
	}
		
		

	// **********************************************
	// Do not change the doThisAgain method
	private static boolean doThisAgain(Scanner input, String prompt) {
		System.out.print(prompt);
		String doOver = input.nextLine();
		return doOver.trim().equalsIgnoreCase("Y");
	}

	// **********************************************
	// Do not change the main method
	public static void main(String args[]) throws Exception {
		System.out.println("Welcome to " + TITLE);
		Scanner input = new Scanner(System.in);
		do {
			process(input, args);
		} while (doThisAgain(input, CONTINUE_PROMPT));
		input.close();
		System.out.println("Thank you for using " + TITLE);
	}

}