public class SendMessage {

private static SendMessage sm = null;
private String ip = null;

private SendMessage(String ip){
this.ip = ip;
}

public static synchronized SendMessage getSendMessageInstance(String ip){
if(sm == null)
sm = new SendMessage(ip);
return sm;
}

public void sendMessage(String msg) throws IOException{
try{
Socket client = new Socket(ip,5000);
BufferedWriter out = new BufferedWriter(new OutputStreamWriter(client.getOutputStream()));
out.write(msg);
out.close();
client.close();
}catch(IOException io){
throw new IOException("IOException");
}
}
}