[Java] connect.js updater

package connect;

import java****.BufferedReader;
import java****.FileNotFoundException;
import java****.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.*;
import java****.*;


public class Connect {
   public static Vector<String> servers = new Vector<String>();
   public static Vector<String> ips = new Vector<String>();
   
   public static void main(String[] args) throws FileNotFoundException {
	   registerServers();
	   writeConnect();
   }

    public static String getTextFrom(String url) throws Exception {
        URL website = new URL(url);
        URLConnection connection = website.openConnection();
        BufferedReader in = new BufferedReader(
        new InputStreamReader(
        connection.getInputStream()));
        StringBuilder response = new StringBuilder();
        String inputLine;
        while ((inputLine = in.readLine()) != null) 
            response.append(inputLine);
        in.close();
        return response.toString();
    }

   public static void registerServers() {
      String text;
      try {
         text = getTextFrom("http://www.realmofthemadgod.appspo*****m/char/list");
      } catch (Exception e) {
         return;
      }
      String[] split = text.split("<Server>");
      Vector<Character> abbreviation = new Vector<Character>();
      for (String str : split) {
         if (str.indexOf("</DNS>") != -1) {
            String serv = str.split("</DNS>")[0].replace("</Name><DNS>", " - ").replace("<Name>", "");
            String name = serv.split(" - ")[0];
            char[] namea = name.toCharArray();
            for (int i = 0; i < namea.length; i++) {
            	if(Character.isUpperCase(namea[i]) || Character.isDigit(namea[i])) {
            		abbreviation.add(Character.toLowerCase(namea[i]));
            	}
            }
            String abbre = "";
            for (int j = 0; j < abbreviation.size(); j++) {
            	abbre += abbreviation.elementAt(j).toString();
            }
            servers.add(abbre);
            ips.add(serv.split(" - ")[1]);
         }
         abbreviation.clear();
      }
   }
   
   public static void writeConnect() throws FileNotFoundException {
	   PrintWriter connectjs = new PrintWriter(new FileOutputStream("connect.js"), true);
	   connectjs.println("// connect.js");
	   connectjs.println("");
	   connectjs.println("var ID_TEXT = $.findPacketId(\"TEXT\");");
	   connectjs.println("var ID_PLAYERTEXT = $.findPacketId(\"PLAYERTEXT\");");
	   connectjs.println("var ID_FAILURE = $.findPacketId(\"FAILURE\");");
	   connectjs.println("");
	   connectjs.println("var servers = {");
	   for (int i = 0; i < servers.size()-1; i++) {
		   connectjs.println("\""+servers.get(i)+"\" : \""+ips.get(i)+"\",");
	   }
	   connectjs.println("\""+servers.get(servers.size()-1)+"\" : \""+ips.get(servers.size()-1)+"\" };");
	   connectjs.println("");
	   connectjs.println("var usage =");
	   connectjs.println("\"Usage: /con <server> \\t\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t \\");
	   for (int i = 0; i < servers.size()-1; i++) {
		   connectjs.print(servers.get(i)+", ");
	   }
	   connectjs.println(servers.get(servers.size()-1)+"\";");
	   connectjs.println("");
	   connectjs.println("function onClientPacket(event) {");
	   connectjs.println("	var packet = event.getPacket();");
	   connectjs.println("	switch (packet.id()) {");
	   connectjs.println("		case ID_PLAYERTEXT: {");
	   connectjs.println("			var text = packet.text.toLowerCase();");
	   connectjs.println("			var params = text.split(\" \");");
	   connectjs.println("			if(params[0] == \"/con\") {");
	   connectjs.println("				event.cancel();");
	   connectjs.println("				if (params.length < 2 || params.length > 2){");
	   connectjs.println("					yellowAlert(event, usage);");
	   connectjs.println("					break;");
	   connectjs.println("				} else if(servers[params[1]] == null) {");
	   connectjs.println("					redAlert(event, \"Server \" + params[1] + \" not found\");");
	   connectjs.println("				} else{");
	   connectjs.println("					$.setGameIdSocketAddress(-2, servers[params[1]], event.getRemotePort());");
	   connectjs.println("					$.kickUser();");
	   connectjs.println("				}");
	   connectjs.println("			}");
	   connectjs.println("			break;");
	   connectjs.println("		}");
	   connectjs.println("	}");
	   connectjs.println("}");
	   connectjs.println("");
	   connectjs.println("function yellowAlert(event, text) {");
	   connectjs.println("	var textPacket = event.createPacket(ID_TEXT);");
	   connectjs.println("	textPacket.name = \"\";");
	   connectjs.println("	textPacket.objectId = -1;");
	   connectjs.println("	textPacket.numStars = -1;");
	   connectjs.println("	textPacket.bubbleTime = 0;");
	   connectjs.println("	textPacket.recipient = \"\";");
	   connectjs.println("	textPacket.text = text;");
	   connectjs.println("	textPacket.cleanText = \"\";");
	   connectjs.println("	event.sendToClient(textPacket);");
	   connectjs.println("}");
	   connectjs.println("");
	   connectjs.println("function redAlert(event, text) {");
	   connectjs.println("    var failurePacket = event.createPacket(ID_FAILURE);");
	   connectjs.println("    failurePacket.errorId = 9;");
	   connectjs.println("    failurePacket.errorDescription = text;");
	   connectjs.println("    event.sendToClient(failurePacket);");
	   connectjs.println("}");
	   connectjs.close();
   }
}