Chatbot/Magpie2.java at Chatbot-patch1 · bernovie/Chatbot · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
package magpie;

/**
 * A program to carry on conversations with a human user.
 * This is the initial version that:
 * <ul><li>
 *       Uses indexOf to find strings
 * </li><li>
 * 		    Handles responding to simple words and phrases
 * </li></ul>
 * This version uses a nested if to handle default responses.
 * @author Laurie White
 * @version April 2012
 */
public class Magpie2
{
	/**
	 * Get a default greeting
	 * @return a greeting
	 */
	public String getGreeting()
	{
		return "Hello, let's talk.";
	}

	/**
	 * Gives a response to a user statement
	 *
	 * @param statement
	 *            the user statement
	 * @return a response based on the rules given
	 */
	public String getResponse(String statement)
	{
		String response = "";
		statement=statement.toLowerCase();
		if(statement.trim().length()==0){
			response = "Is anybody there?";
		}
		if (statement.indexOf("no") >= 0)
		{
			response = "Why so negative?";
		}
		else if (statement.indexOf("friend") >= 0
				|| statement.indexOf("teacher") >= 0
				|| statement.indexOf("classmate") >= 0
				|| statement.indexOf("peer") >= 0
				|| statement.indexOf("homie") >= 0
				|| statement.indexOf("bro") >= 0)
		{
			response = "Tell me more about this person";
		}
		else if (statement.indexOf("cat") >= 0
				|| statement.indexOf("dog") >= 0
				|| statement.indexOf("fish") >= 0
				|| statement.indexOf("bird") >= 0
				|| statement.indexOf("hamster") >= 0
				|| statement.indexOf("horse") >= 0)
		{
			response = "Tell me more about your pets";
		}
		else if (statement.indexOf("mother") >= 0
				|| statement.indexOf("father") >= 0
				|| statement.indexOf("sister") >= 0
				|| statement.indexOf("brother") >= 0
				|| statement.indexOf("uncle") >= 0
				|| statement.indexOf("aunt") >= 0)
		{
			response = "Tell me more about your family.";
		}
		else if (statement.indexOf("game of thrones") >= 0
				|| statement.indexOf("the walking dead") >= 0
				|| statement.indexOf("breaking bad") >= 0
				|| statement.indexOf("mad men") >= 0
				|| statement.indexOf("gossip girl") >= 0
				|| statement.indexOf("the big bang theory") >= 0)
		{
			response = "What a great show! I watch it too";
		}
		else if (statement.indexOf("hola") >= 0
				|| statement.indexOf("como estas") >= 0
				|| statement.indexOf("mexico") >= 0
				|| statement.indexOf("que onda") >= 0
				|| statement.indexOf("quibo") >= 0
				|| statement.indexOf("pedo") >= 0)
		{
			response = "Yo tambien hablo español! Viva Mexico!";
		}
		else if (statement.indexOf("sing") >= 0)
		{
			response = "I dont sing, do you?";
		}
		else
		{
			response = getRandomResponse();
		}

		return response;
	}

	/**
	 * Pick a default response to use if nothing else fits.
	 * @return a non-committal string
	 */
	private String getRandomResponse()
	{
		final int NUMBER_OF_RESPONSES = 6;
		double r = Math.random();
		int whichResponse = (int)(r * NUMBER_OF_RESPONSES);
		String response = "";

		if (whichResponse == 0)
		{
			response = "Interesting, tell me more.";
		}
		else if (whichResponse == 1)
		{
			response = "Hmmm.";
		}
		else if (whichResponse == 2)
		{
			response = "Do you really think so?";
		}
		else if (whichResponse == 3)
		{
			response = "You don't say.";
		}
		else if (whichResponse == 4)
		{
			response = "Maybe later";
		}
		else if (whichResponse == 5)
		{
			response = "Let me think about it";
		}

		return response;
	}
}