serverslist.java

联网斗地主 java版本 用jbuilder2005编写

package poker;
import java.io.*;
import javax.microedition.lcdui.*;
import javax.microedition.rms.*;
import javax.microedition.lcdui.Command;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class ServersList implements CommandListener{
  List imList;
  String[] imValue=new String[20];
  String[] imID=new String[20];
  RecordStore rs=null;
  Image iamge;
  InputStream is=null;
  String url;
  Command exitCmd,okCmd,downCmd,cancelCmd,helpCmd;
  Alert MsgBox=new Alert("ERROR");
  Form waitForm=new Form(" downloading...");
  RoomList room;

  static ServersList _instance;
  static synchronized public ServersList getInstance() {
    if (_instance == null) {
      _instance = new ServersList();
    }
    return _instance;
  }


  public ServersList() {
    //super("ServerList");
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  public void jbInit(){
    imList=new List("server list:",List.IMPLICIT);
    exitCmd=new Command("exit",Command.EXIT,1);
    okCmd=new Command("go on",Command.OK,1);
    cancelCmd=new Command("Cancel me",Command.CANCEL,1);
    downCmd=new Command("download new servers list",Command.SCREEN,2);
    helpCmd=new Command("Help me",Command.HELP,1);
    imList.addCommand(okCmd);
    imList.addCommand(downCmd);
    imList.addCommand(cancelCmd);
    imList.addCommand(exitCmd);
    imList.addCommand(helpCmd);
    imList.setCommandListener(this);

    //read from rms ,and put it into imList;
    try{
      rs.deleteRecordStore("db_serverList");
      rs=RecordStore.openRecordStore("db_serverList",true);
      int len=rs.getNumRecords();
      //System.out.println("record len "+len);
      if (len==0){
        //if rms has not data,then put default data;
        //create a new rms : db_serverList
        DbRecord.set("Liu Yan","192.168.1.19","1");
        rs.addRecord(DbRecord.recordByte,0,DbRecord.recordByte.length);
        DbRecord.set("ZhangYin","192.168.1.19","2");
        rs.addRecord(DbRecord.recordByte,0,DbRecord.recordByte.length);
        rs.closeRecordStore();
      }
    }catch(Exception e){
      Error.errCode=1;
      Error.errStr="open RMS error";
      return;
    }
    readFromRMS();

  }

  public void readFromRMS(){
  try{
   rs=RecordStore.openRecordStore("db_serverList",true);
   int len=rs.getNumRecords();
   for(int i=1;i<=len;i++){
    DbRecord.get(rs.getRecord(i));
    //after do this,the class DbRecord's servername and address can have  a value;
    String s1=DbRecord.serverName.toString();
    String s2=DbRecord.address.toString();
    String s3=DbRecord.ServerID.toString();
    imList.append(s1,GetServicData.ServerImage);
    imValue[i]=s2;
    imID[i]=s3;
    //System.out.println(imList.getString(i-1)+imValue[i]+imID[i]);
   }
    rs.closeRecordStore();
 }catch(RecordStoreException e){
    Error.errCode=1;
    Error.errStr="Error when read RMS.";
 return;
 }
}

private void writeRMSfromList(){
  int len=imList.size();
  try{
     try{rs.closeRecordStore();}catch(Exception e1){};
     RecordStore.deleteRecordStore("db_serverList");
    }catch (Exception e){
      Error.errCode=1;
      Error.errStr="Error when delete RMS.";
      return;
   }

  try{
    rs = RecordStore.openRecordStore("db_serverList", true);
    for (int i = 0; i < len; i++) {
      //System.out.println(imList.getString(i)+imValue[i+1]+imID[i+1]);
      DbRecord.set(imList.getString(i), imValue[i+1],imID[i+1]);
      rs.addRecord(DbRecord.recordByte, 0, DbRecord.recordByte.length);
    }
    rs.closeRecordStore();
  }catch (Exception e){
    Error.errCode=1;
    Error.errStr="Error when read RMS after delete";
    return;
  }

}


  private void connect() {
     GetServicData.kind=1;
     GetServicData.url=url;
     GetServicData.imList=imList;
     GetServicData.imID=imID;
     GetServicData.imValue=imValue;
     GetServicData.connect();
     imList=GetServicData.imList;
     imID=GetServicData.imID;
     imValue=GetServicData.imValue;
     writeRMSfromList();
   }



public void downLoadServerList(){
     int ss=0;
     ss=imList.getSelectedIndex();
     //System.out.println("you select:"+ss);
     url="http://"+imValue[ss+1]+"/gameservice/infomationservice.asmx/GetServerList";
     //System.out.println(url);
     connect();
     return;
   }


   public String loginServer(){
     //0 : login ok
     //1 : password or accountName wrong
     //2 : other error
   try{
    rs=RecordStore.openRecordStore("db_AccountInfo",true);
    int len=rs.getNumRecords();
     DbAccount.get(rs.getRecord(1));
     String account=DbAccount.account;
     String password=DbAccount.password;
     System.out.println(account+password);
     rs.closeRecordStore();
     Login ll=Login.getInstance();
     String rr=ll.login(account,password).trim();
     System.out.println("login result:"+rr);
     if (rr=="0"){
       GameInfo.Account=account;
       GameInfo.password=password;
     }
     System.out.println("after checking login ,rr="+rr);
     return rr;
  }catch(RecordStoreException e){
     Error.errCode=3;
     Error.errStr="Login Error.";
     return "Wrong";
  }
 }

  public void commandAction(Command c, Displayable d) {
    if (c==okCmd){
      // go to room list
      int k = imList.getSelectedIndex();
      GameInfo.ServerAddress = imValue[k + 1].toString();
      GameInfo.ServerName = imList.getString(k);
      GameInfo.display.setCurrent(Func.waitForm);
      String ss=loginServer().trim();
      System.out.println("ss="+ss);
      if (ss.equals("0")){
        //login ok
        room=RoomList.getInstance();
        room.downLoad();
        _instance=null;
      }else{
        MsgBox.setType(AlertType.ERROR);
        MsgBox.setTimeout(5000);
        MsgBox.setString("login server failed.please check you account and password. In some case,please try to change the server to login again!");
        GameInfo.display.setCurrent(MsgBox,imList);
        Error.errCode=0;
      }
    }
    if (c==downCmd){
        Error.errCode=0;
        GameInfo.display.setCurrent(waitForm);
        downLoadServerList();
        if (Error.errCode>0)
        {
          MsgBox.setType(AlertType.ERROR);
          MsgBox.setTimeout(5000);
          MsgBox.setString(Error.errStr);
          GameInfo.display.setCurrent(MsgBox,imList);
          Error.errCode=0;
        }
        else
        {
          MsgBox.setTitle("DONE!");
          MsgBox.setString("ok");
          MsgBox.setTimeout(1000);
          MsgBox.setType(AlertType.INFO);
          GameInfo.display.setCurrent(MsgBox,imList);
        }
        return;
      }
    if (c==cancelCmd){
      Login login=Login.getInstance();
      GameInfo.display.setCurrent(login);
      login.drawFace();
      _instance=null;
    }
  }
}