Commit | Line | Data |
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2c648f75 JB |
1 | import java.io.*; |
2 | import java.net.*; | |
3 | import java.util.*; | |
4 | ||
5 | public class SocketClient { | |
6 | BufferedReader lecture; // pour le flot d'entrée venant du serveur | |
7 | PrintWriter ecriture; // pour le flot de sortie vers le serveur | |
c4aaaeca JB |
8 | ObjectInput oLecture; |
9 | ObjectOutput oEcriture; | |
2c648f75 JB |
10 | Socket sock; // le socket client |
11 | ||
12 | public SocketClient() { | |
13 | // établie une connexion au serveur par un appel | |
14 | // à connexionServeur() | |
e018d1ec JB |
15 | attributesInit(); |
16 | try { | |
17 | connexionServeur("localhost", 5000); | |
18 | } | |
19 | catch (IOException e) { | |
20 | System.err.println("IOException: " + e); | |
21 | closeRWIO(); | |
22 | } | |
2c648f75 JB |
23 | } |
24 | ||
25 | public SocketClient(String adresseIPServeur, int portServeur) { | |
26 | // établie une connexion au serveur par un appel | |
27 | // à connexionServeur() | |
e018d1ec | 28 | attributesInit(); |
2c648f75 | 29 | try { |
e018d1ec | 30 | connexionServeur(adresseIPServeur, portServeur); |
2c648f75 JB |
31 | } |
32 | catch (IOException e) { | |
33 | System.err.println("IOException: " + e); | |
e018d1ec | 34 | closeRWIO(); |
2c648f75 | 35 | } |
e018d1ec JB |
36 | } |
37 | ||
38 | private void connexionServeur(String adresseIPServeur, int portServeur) throws IOException { | |
39 | // créer un objet socket lié au socket serveur et l'affecte à sock | |
40 | // puis établie les chaînages de flot nécessaires | |
41 | // pour l'envoi et la reception de messages | |
42 | sock = new Socket(adresseIPServeur, portServeur); | |
2c648f75 | 43 | |
da31e6da | 44 | OutputStream OStream = sock.getOutputStream(); |
2c648f75 | 45 | ecriture = new PrintWriter(OStream); |
c4aaaeca | 46 | oEcriture = new ObjectOutputStream(OStream); |
da31e6da JB |
47 | |
48 | InputStream IStream = sock.getInputStream(); | |
49 | InputStreamReader IMesg = new InputStreamReader(IStream); | |
50 | lecture = new BufferedReader(IMesg); | |
51 | oLecture = new ObjectInputStream(IStream); | |
2c648f75 JB |
52 | } |
53 | ||
e018d1ec | 54 | private void attributesInit() { |
c4aaaeca | 55 | sock = null; |
e018d1ec JB |
56 | lecture = null; |
57 | ecriture = null; | |
c4aaaeca JB |
58 | oLecture = null; |
59 | oEcriture = null; | |
e018d1ec JB |
60 | } |
61 | ||
2c648f75 JB |
62 | /** |
63 | * Send a message on the opened client socket | |
64 | * @param msg a string containing the message to send | |
65 | */ | |
e018d1ec | 66 | public void sendMsg(String msg) { |
2c648f75 JB |
67 | ecriture.println(msg); |
68 | ecriture.flush(); | |
2c648f75 JB |
69 | } |
70 | ||
c4aaaeca JB |
71 | /** |
72 | * Send an object message on the opened client socket | |
73 | * @param msg a string containing the message to send | |
74 | */ | |
75 | public void sendoMsg(Message oMsg) throws IOException { | |
76 | oEcriture.writeObject(oMsg); | |
77 | oEcriture.flush(); | |
78 | } | |
79 | ||
2c648f75 JB |
80 | /** |
81 | * Receive a message sent on the opened client socket | |
82 | * @return a string containing the received message | |
83 | */ | |
e018d1ec | 84 | public String receiveMsg() throws IOException { |
2c648f75 | 85 | String line = new String(); |
ef258436 | 86 | //FIXME?: read only the line before the ending newline |
e018d1ec | 87 | line = lecture.readLine(); |
2c648f75 JB |
88 | return line; |
89 | } | |
90 | ||
c4aaaeca JB |
91 | /** |
92 | * Receive an object message sent on the opened client socket | |
93 | * @return a string containing the received message | |
94 | */ | |
95 | public Message receiveoMsg() throws IOException, ClassNotFoundException { | |
96 | return (Message)oLecture.readObject(); | |
97 | } | |
98 | ||
2c648f75 JB |
99 | /** |
100 | * Close all opened I/O streams attached to this object instance | |
101 | */ | |
102 | public void closeRWIO() { | |
2c648f75 | 103 | try { |
e018d1ec JB |
104 | if (sock != null) |
105 | sock.close(); | |
106 | if (lecture != null) | |
107 | lecture.close(); | |
108 | if (ecriture != null) | |
109 | ecriture.close(); | |
c4aaaeca JB |
110 | if (oLecture != null) |
111 | oLecture.close(); | |
112 | if (oEcriture != null) { | |
113 | oEcriture.close(); | |
114 | } | |
2c648f75 JB |
115 | } |
116 | catch (IOException e) { | |
117 | System.err.println("IOException: " + e); | |
118 | } | |
119 | } | |
120 | ||
121 | } // fin classe SocketClient |