Protocole.java

//Classe qui abstrait le Protocole du reste du programme
public class Protocole{
    public static String clientListEnd = "CLIENT_LIST_END";
    public static String prefixConnectRequest = "CONNECT_";
    public static String prefixDeconnectRequest = "DECONNECT_";
    public static String prefixUpdateRequest = "UPDATE_";
    public static String prefixSendDataRequest = "DATA_";

    public static String sendDataRequest(String data){
        return ""+prefixSendDataRequest+data;
    }

    public static String updateRequest(String clientInfo){
        return ""+prefixUpdateRequest+clientInfo;
    }
    public static String deconnectFromServer(String clientInfo){
        return ""+prefixDeconnectRequest+clientInfo;
    }

    /*public static String deconnectFromServer(int udpServerPort){
        return "DECONNECT_"+udpServerPort;
    }*/
    public static String connectToServer(int udpServerPort){
        return "CONNECT_"+udpServerPort;
    }

    public static String[] biSplit(String toSplit, char delimiter){
        String[] result = new String[2];
        int indexDelimiter = 0;
        for(int i = 0; i < toSplit.length(); i++){
            indexDelimiter++;
            if(toSplit.charAt(i) == delimiter) break;
        }
        if(indexDelimiter == 0) return null;
        result[0] = toSplit.substring(0,indexDelimiter-1);
        result[1] = toSplit.substring(indexDelimiter, toSplit.length());
        return result;
    }
}