PBO - Tugas 5 - Aplikasi Support System

 

TUGAS 5 - support system

Nama : Kevin Ashil
NRP : 05111740000178
Kelas : PBO - B

Pada minggu ke-5 mahasiswa ditugaskan untuk membuat program Technical Support yang dapat menjawab input user dan menjawabnya seperti pada TechSupport biasanya. Berikut merupakan program tersebut:

SupportSystem:

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1.  
2. /**
3.  * This class implements a technical support system. It is
4.  * the top-level class in this project. The support system
5.  * communicates via text input/output in the text terminal.
6.  * This class uses an object of class InputReader to read
7.  * input from the user and an object of class Responder to
8.  * generate responses.
9.  * It contains a loop that repeatedly reads input and
10.  * generates output until the user wants to leave.
11.  *
12.  * @author Kevin Ashil
13.  * @version 0.1 (24 November 2020)
14.  */
15.  
16. import java.util.*;
17. public class SupportSystem
18. {
19.     private InputReader reader;
20.     private Responder responder;
21.     /**
22.      * Creates a technical support system.
23.      */
24.     public SupportSystem()
25.     {
26.         reader = new InputReader();
27.         responder = new Responder();
28.     }
29.     /**
30.      * Start the technical support system. This will print a
31.      * welcome message and enter into a dialog with the user,
32.      * until the user ends the dialog.
33.      */
34.     public void start()
35.     {
36.         boolean finished = false;
37.         printWelcome();
38.         while(!finished) {
39.             HashSet<String> input = reader.getInput();
40.             if(input.contains("bye")) {
41.                 finished = true;
42.             }else {
43.                 String response = responder.generateResponse(input);
44.                 System.out.println(response);
45.             }
46.         }
47.         printGoodbye();
48.     }
49.     /**
50.      * Print a welcome message to the screen.
51.      */
52.     private void printWelcome()
53.     {
54.         System.out.println(
55.         "Welcome to the Technical Support System.");
56.         System.out.println();
57.         System.out.println("Please tell us about your problem.");
58.         System.out.println(
59.         "We will assist you with any problem you might have.");
60.         System.out.println(
61.         "Please type 'bye' to exit our system.");
62.     }
63.     /**
64.      * Print a good-bye message to the screen.
65.      */
66.     private void printGoodbye()
67.     {
68.         System.out.println("Nice talking to you. Goodbye");
69.     }
70. }

InputReader:

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1.  
2. /**
3.  * The InputReader class is use for reading the input entry
4.  *
5.  * @author Kevin Ashil
6.  * @version 0.1 (24 November 2020)
7.  */
8.  
9. import java.util.*;
10. public class InputReader
11. {
12.     private Scanner reader;
13.     public InputReader()
14.     {
15.         reader = new Scanner(System.in);
16.     }
17.     /**
18.      * Read user input
19.      */
20.     public HashSet<String> getInput()
21.     {
22.         System.out.print(">> ");
23.         String inputLine = reader.nextLine().trim().toLowerCase();
24.        
25.         String[] wordArray = inputLine.split(" ");
26.            
27.         HashSet<String> words = new HashSet<String>();
28.         for(String word : wordArray)
29.         {
30.             words.add(word);
31.         }
32.         return words;
33.     }
34. }
35.  

Responder:

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1. /**
2.  * The responder class represents a response generator object.
3.  * It is used to generate an automatic response to an input string.
4.  *
5.  * @author Kevin Ashil
6.  * @version 0.1 (24 November 2020)
7.  */
8.  
9. import java.util.*;
10. public class Responder
11. {
12.     private Random randomGenerator;
13.     private ArrayList<String> defaultResponses;
14.     private HashMap<String, String>responseMap;
15.     /**
16.      * Construct a Responder - nothing to do
17.      */
18.     public Responder()
19.     {
20.         randomGenerator = new Random();
21.         defaultResponses = new ArrayList<String>();
22.         responseMap = new HashMap<String, String>();
23.         fillResponses();
24.         fillDefaultResponses();
25.     }
26.     /**
27.      * Generate a response.
28.      * @return A string that should be displayed as the
29.      * response
30.      */
31.     public String generateResponse(HashSet<String> words)
32.     {
33.         for(String word:words)
34.         {
35.             String response = responseMap.get(word);
36.             if(response != null)
37.                 {
38.                     return response;
39.                 }
40.         }
41.         return pickDefaultResponse();
42.     }
43.     /**
44.      * Build up a list of default responses from which we can pick one
45.      * if we don't know what else to say.
46.      */
47.     private void fillResponses()
48.     {
49.         responseMap.put("hey", "Hello, How can i help you?");
50.         responseMap.put("hello", "Hi there! " + "How can i help?");
51.         responseMap.put("error", "I am sorry to hear that"
52.         + ", We are trying to fix the problem as soon as possible");
53.         responseMap.put("nice", "Thank you for your compliment");
54.         responseMap.put("issue", "I am sorry for your inconvenience"
55.         + ", What is the issue?");
56.         responseMap.put("thanks", "It's my pleasure!");
57.     }
58.     private void fillDefaultResponses()
59.     {
60.         defaultResponses.add("Sorry I can't understand.");
61.         defaultResponses.add("Please try again.");
62.     }
63.     private String pickDefaultResponse()
64.     {
65.         int index = randomGenerator.nextInt(defaultResponses.size());
66.         return defaultResponses.get(index);
67.     }
68. }
69.  

Berikut program yang dijalankan dengan beberapa Test Case: