import java.io.BufferedReader;

import java.io.FileReader;

import java.io.IOException;

import java.util.StringTokenizer;

public class Configurator {

private String masterHostname;

private int masterPortNo;

private static Configurator myConfig;

private Configurator() throws IOException {

this.masterHostname = "";

this.masterPortNo = -1;

readConfig();

}

/**

* Singleton constructor for the master server

*

* @return

* @throws IOException

*/

public static Configurator getInstance() throws IOException {

if (myConfig == null) {

return myConfig = new Configurator();

} else {

return myConfig;

}

}

public String getMasterHostname() {

return masterHostname;

}

public int getMasterPort() {

return masterPortNo;

}

private void readConfig() throws IOException {

BufferedReader buff = new BufferedReader(new FileReader(

Global.MASTER_CONFIG_PATH));

StringTokenizer st;

// First entry in the configuration file is the master server

st = new StringTokenizer(buff.readLine(), Global.MASTER_DELIM);

this.masterHostname = st.nextToken();

this.masterPortNo = Integer.parseInt(st.nextToken());

buff.close();

}

}