Coverage Summary for Class: Chat (it.polimi.ingsw.view.socket)

Class	Method, %	Line, %
Chat	0% (0/ 5)	0% (0/ 22)
Chat$1	0% (0/ 1)	0% (0/ 1)
total	0% (0/ 6)	0% (0/ 23)
1 package it.polimi.ingsw.view.socket;
2 
3 import java.util.ArrayList;
4 
5 import com.google.gson.Gson;
6 import com.google.gson.JsonSyntaxException;
7 import com.google.gson.reflect.TypeToken;
8 
9 import it.polimi.ingsw.utils.Observable;
10 import it.polimi.ingsw.utils.Observer;
11 import it.polimi.ingsw.utils.model.ChatMessage;
12 
13 /**
14  * Client Chat Manager
15  */
16 public class Chat extends Observable<ChatMessage> implements Observer<String> {
17     /**
18      * Chat History
19      */
20     private ArrayList<ChatMessage> chatHistory = new ArrayList<>();
21     /**
22      * Socket Connection
23      */
24     private final Connection connection;
25     /**
26      * History limit
27      */
28     final private int limit = 50;
29 
30     /**
31      * Chat constructor
32      * 
33      * @param connection socket connection
34      */
35     public Chat(Connection connection) {
36         this.connection = connection;
37         connection.addObservers(this);
38     }
39 
40     /**
41      * Add a new message to history
42      * 
43      * @param message message to add
44      */
45     private synchronized void addMessage(ChatMessage message) {
46         chatHistory.add(message);
47         if (chatHistory.size() > limit)
48             chatHistory.remove(0);
49     }
50 
51     /**
52      * Get Chat History
53      * 
54      * @return chat history
55      */
56     public ArrayList<ChatMessage> getHistory() {
57         return new Gson().fromJson(new Gson().toJson(chatHistory), new TypeToken<ArrayList<ChatMessage>>() {
58         }.getType());
59     }
60 
61     /**
62      * Send a message
63      * 
64      * @param message message to send
65      */
66     public void sendMessage(String message) {
67         connection.send(new Gson().toJson(new ChatMessage(null, message)));
68     }
69 
70     /**
71      * Listen on new message coming from socket
72      */
73     @Override
74     public void update(String message) {
75         try {
76             ChatMessage parsed = new Gson().fromJson(message, ChatMessage.class);
77             if (parsed == null || parsed.getUsername() == null || parsed.getMessage() == null)
78                 return;
79             addMessage(parsed);
80             notify(parsed);
81         } catch (JsonSyntaxException e) {
82             // Fail Json Convert
83         }
84     }
85 }