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
|
/*
* Copyright 2013 Jesse Morgan
*/
package com.p4square.grow.model;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* Model of an assessment question.
*
* @author Jesse Morgan <jesse@jesterpm.net>
*/
public class Question {
public static enum QuestionType {
TEXT, IMAGE, SLIDER, QUAD, CIRCLE;
}
private final Map<String, Object> mMap;
private final String mQuestionId;
private final QuestionType mType;
private final String mQuestionText;
private Map<String, Answer> mAnswers;
private final String mPreviousQuestionId;
private final String mNextQuestionId;
public Question(final Map<String, Object> map) {
mMap = map;
mQuestionId = (String) map.get("id");
mType = QuestionType.valueOf(((String) map.get("type")).toUpperCase());
mQuestionText = (String) map.get("text");
mPreviousQuestionId = (String) map.get("previousQuestion");
mNextQuestionId = (String) map.get("nextQuestion");
mAnswers = new HashMap<String, Answer>();
for (Map.Entry<String, Object> answer :
((Map<String, Object>) map.get("answers")).entrySet()) {
final String id = answer.getKey();
final Map<String, Object> answerMap = (Map<String, Object>) answer.getValue();
final Answer answerObj = new Answer(id, answerMap);
mAnswers.put(id, answerObj);
}
}
public String getId() {
return mQuestionId;
}
public QuestionType getType() {
return mType;
}
public String getText() {
return mQuestionText;
}
public String getPreviousQuestion() {
return mPreviousQuestionId;
}
public String getNextQuestion() {
return mNextQuestionId;
}
public Map<String, Answer> getAnswers() {
return Collections.unmodifiableMap(mAnswers);
}
public Map<String, Object> getMap() {
return Collections.unmodifiableMap(mMap);
}
/**
* Determine the id of the next question based on the answer to this
* question.
*
* @param answerid
* The id of the selected answer.
* @return a question id or null if this is the last question.
*/
public String getNextQuestion(String answerid) {
String nextQuestion = null;
Answer a = mAnswers.get(answerid);
if (a != null) {
nextQuestion = a.getNextQuestion();
}
if (nextQuestion == null) {
nextQuestion = mNextQuestionId;
}
return nextQuestion;
}
}
|
