FilesExpand file tree

 master

/

Server.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

244 lines (210 loc) · 8.07 KB

 master

/

Server.java

Copy path

Top

File metadata and controls

• Code
• Blame

244 lines (210 loc) · 8.07 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

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

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

import java.io.IOException;

import java.io.ObjectOutputStream;

import java.io.InputStream;

import java.io.PrintStream;

import java.net.ServerSocket;

import java.net.Socket;

import java.util.ArrayList;

import java.util.List;

import java.util.Scanner;

import java.util.regex.Pattern;

import java.util.regex.Matcher;

import java.awt.Color;

public class Server {

private int port;

private List<User> clients;

private ServerSocket server;

public static void main(String[] args) throws IOException {

new Server(12345).run();

}

public Server(int port) {

this.port = port;

this.clients = new ArrayList<User>();

}

public void run() throws IOException {

server = new ServerSocket(port) {

protected void finalize() throws IOException {

this.close();

}

};

System.out.println("Port 12345 is now open.");

while (true) {

// accepts a new client

Socket client = server.accept();

// get nickname of newUser

String nickname = (new Scanner ( client.getInputStream() )).nextLine();

nickname = nickname.replace(",", ""); // ',' use for serialisation

nickname = nickname.replace(" ", "_");

System.out.println("New Client: \"" + nickname + "\"\n\t Host:" + client.getInetAddress().getHostAddress());

// create new User

User newUser = new User(client, nickname);

// add newUser message to list

this.clients.add(newUser);

// Welcome msg

newUser.getOutStream().println(

"<img src='https://www.kizoa.fr/img/e8nZC.gif' height='42' width='42'>"

+ "<b>Welcome</b> " + newUser.toString() +

"<img src='https://www.kizoa.fr/img/e8nZC.gif' height='42' width='42'>"

);

// create a new thread for newUser incoming messages handling

new Thread(new UserHandler(this, newUser)).start();

}

}

// delete a user from the list

public void removeUser(User user){

this.clients.remove(user);

}

// send incoming msg to all Users

public void broadcastMessages(String msg, User userSender) {

for (User client : this.clients) {

client.getOutStream().println(

userSender.toString() + "<span>: " + msg+"</span>");

}

}

// send list of clients to all Users

public void broadcastAllUsers(){

for (User client : this.clients) {

client.getOutStream().println(this.clients);

}

}

// send message to a User (String)

public void sendMessageToUser(String msg, User userSender, String user){

boolean find = false;

for (User client : this.clients) {

if (client.getNickname().equals(user) && client != userSender) {

find = true;

userSender.getOutStream().println(userSender.toString() + " -> " + client.toString() +": " + msg);

client.getOutStream().println(

"(<b>Private</b>)" + userSender.toString() + "<span>: " + msg+"</span>");

}

}

if (!find) {

userSender.getOutStream().println(userSender.toString() + " -> (<b>no one!</b>): " + msg);

}

}

}

class UserHandler implements Runnable {

private Server server;

private User user;

public UserHandler(Server server, User user) {

this.server = server;

this.user = user;

this.server.broadcastAllUsers();

}

public void run() {

String message;

// when there is a new message, broadcast to all

Scanner sc = new Scanner(this.user.getInputStream());

while (sc.hasNextLine()) {

message = sc.nextLine();

// smiley

message = message.replace(":)", "<img src='http://4.bp.blogspot.com/-ZgtYQpXq0Yo/UZEDl_PJLhI/AAAAAAAADnk/2pgkDG-nlGs/s1600/facebook-smiley-face-for-comments.png'>");

message = message.replace(":D", "<img src='http://2.bp.blogspot.com/-OsnLCK0vg6Y/UZD8pZha0NI/AAAAAAAADnY/sViYKsYof-w/s1600/big-smile-emoticon-for-facebook.png'>");

message = message.replace(":d", "<img src='http://2.bp.blogspot.com/-OsnLCK0vg6Y/UZD8pZha0NI/AAAAAAAADnY/sViYKsYof-w/s1600/big-smile-emoticon-for-facebook.png'>");

message = message.replace(":(", "<img src='http://2.bp.blogspot.com/-rnfZUujszZI/UZEFYJ269-I/AAAAAAAADnw/BbB-v_QWo1w/s1600/facebook-frown-emoticon.png'>");

message = message.replace("-_-", "<img src='http://3.bp.blogspot.com/-wn2wPLAukW8/U1vy7Ol5aEI/AAAAAAAAGq0/f7C6-otIDY0/s1600/squinting-emoticon.png'>");

message = message.replace(";)", "<img src='http://1.bp.blogspot.com/-lX5leyrnSb4/Tv5TjIVEKfI/AAAAAAAAAi0/GR6QxObL5kM/s400/wink%2Bemoticon.png'>");

message = message.replace(":P", "<img src='http://4.bp.blogspot.com/-bTF2qiAqvi0/UZCuIO7xbOI/AAAAAAAADnI/GVx0hhhmM40/s1600/facebook-tongue-out-emoticon.png'>");

message = message.replace(":p", "<img src='http://4.bp.blogspot.com/-bTF2qiAqvi0/UZCuIO7xbOI/AAAAAAAADnI/GVx0hhhmM40/s1600/facebook-tongue-out-emoticon.png'>");

message = message.replace(":o", "<img src='http://1.bp.blogspot.com/-MB8OSM9zcmM/TvitChHcRRI/AAAAAAAAAiE/kdA6RbnbzFU/s400/surprised%2Bemoticon.png'>");

message = message.replace(":O", "<img src='http://1.bp.blogspot.com/-MB8OSM9zcmM/TvitChHcRRI/AAAAAAAAAiE/kdA6RbnbzFU/s400/surprised%2Bemoticon.png'>");

// Gestion des messages private

if (message.charAt(0) == '@'){

if(message.contains(" ")){

System.out.println("private msg : " + message);

int firstSpace = message.indexOf(" ");

String userPrivate= message.substring(1, firstSpace);

server.sendMessageToUser(

message.substring(

firstSpace+1, message.length()

), user, userPrivate

);

}

// Gestion du changement

}else if (message.charAt(0) == '#'){

user.changeColor(message);

// update color for all other users

this.server.broadcastAllUsers();

}else{

// update user list

server.broadcastMessages(message, user);

}

}

// end of Thread

server.removeUser(user);

this.server.broadcastAllUsers();

sc.close();

}

}

class User {

private static int nbUser = 0;

private int userId;

private PrintStream streamOut;

private InputStream streamIn;

private String nickname;

private Socket client;

private String color;

// constructor

public User(Socket client, String name) throws IOException {

this.streamOut = new PrintStream(client.getOutputStream());

this.streamIn = client.getInputStream();

this.client = client;

this.nickname = name;

this.userId = nbUser;

this.color = ColorInt.getColor(this.userId);

nbUser += 1;

}

// change color user

public void changeColor(String hexColor){

// check if it's a valid hexColor

Pattern colorPattern = Pattern.compile("#([0-9a-f]{3}|[0-9a-f]{6}|[0-9a-f]{8})");

Matcher m = colorPattern.matcher(hexColor);

if (m.matches()){

Color c = Color.decode(hexColor);

// if the Color is too Bright don't change

double luma = 0.2126 * c.getRed() + 0.7152 * c.getGreen() + 0.0722 * c.getBlue(); // per ITU-R BT.709

if (luma > 160) {

this.getOutStream().println("<b>Color Too Bright</b>");

return;

}

this.color = hexColor;

this.getOutStream().println("<b>Color changed successfully</b> " + this.toString());

return;

}

this.getOutStream().println("<b>Failed to change color</b>");

}

// getteur

public PrintStream getOutStream(){

return this.streamOut;

}

public InputStream getInputStream(){

return this.streamIn;

}

public String getNickname(){

return this.nickname;

}

// print user with his color

public String toString(){

return "<u><span style='color:"+ this.color

+"'>" + this.getNickname() + "</span></u>";

}

}

class ColorInt {

public static String[] mColors = {

"#3079ab", // dark blue

"#e15258", // red

"#f9845b", // orange

"#7d669e", // purple

"#53bbb4", // aqua

"#51b46d", // green

"#e0ab18", // mustard

"#f092b0", // pink

"#e8d174", // yellow

"#e39e54", // orange

"#d64d4d", // red

"#4d7358", // green

};

public static String getColor(int i) {

return mColors[i % mColors.length];

}

}