package authSrv;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.lang.reflect.Type;
import java.util.HashMap;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import com.google.gson.stream.MalformedJsonException;
public class ServerConf {
private static ServerConf self = null;
private Gson gson = new Gson();
private Type type = new TypeToken<HashMap<String,String>>(){}.getType();
private HashMap<String,String>cnf = null;
//Config
private String srvCnf = "cnf/Server.json";
//Keys
private String PORT = "port";
private ServerConf() throws FileNotFoundException{
FileReader reader = new FileReader(srvCnf);
this.cnf=this.gson.fromJson(reader,this.type);
}
public static int getPort() throws FileNotFoundException, MalformedJsonException,NullPointerException{
//init object
if(self==null){
self = new ServerConf();
}
return self.readPort();
}
private int readPort() throws MalformedJsonException,NullPointerException{
if(this.cnf==null){
throw new NullPointerException("No cnf. ");
}
String portStr = this.cnf.get(PORT);
if(portStr==null){
throw new MalformedJsonException("");
}
return Integer.parseInt(portStr);
}
}