import javax.microedition.midlet.*;import javax.microedition.lcdui.*;import javax.microedition.io.*;import java.util.*;import java.io.*;public class ChatMIDlet extends javax.microedition.midlet.MIDlet{ChatForm form;public void startApp(){NickForm nickForm=new NickForm(this,"Chat Form");Display.getDisplay(this).setCurrent(nickForm);}public void pauseApp(){}public void destroyApp(boolean unconditional){}public void setNick(String nick){ChatForm form=new ChatForm("Chat Form",nick);Display.getDisplay(this).setCurrent(form); }}class ChatForm extends Form implements CommandListener{String url="[Link'i Görebilmeniz İçin Kayıt Olunuz.! Kayıt OL]";Command sendCommand=new Command("Send",Command.SCREEN,2);Command getCommand=new Command("Get",Command.SCREEN,1);TextField messageField;MessagesBox messagesBox;String nick="";public ChatForm(String title,String nick){super(title); this.nick=nick;messagesBox=new MessagesBox("","");messageField=new TextField("","",100,TextField.ANY);append(messageField);append(messagesBox);addCommand(sendCommand);addCommand(getCommand);setCommandListener(this);}public void commandAction(Command c, Displayable d){if(c==sendCommand){try{String s=messageField.getString();if(s!=null){ String result=send(s);messagesBox.append(nick+">"+s);messageField.setString("");}else{messagesBox.append("String null"); } }catch(Exception e){messagesBox.append("Exception"+e.getMessage()); }}else if(c==getCommand){try{String s=get();if(s!=null){messagesBox.append(s.trim());}else{messagesBox.append("String null");} }catch(Exception e){messagesBox.append("Exception"+e.getMessage()); } }}private String send(String message) throws Exception{HttpConnection connecton=(HttpConnection)Connector.open(url+"?mes sage="+message+"&nick="+nick+"&req=SEND");InputStream is=connecton.openInputStream();StringBuffer buffer=new StringBuffer();int ch; while ((ch=is.read())!=-1) {buffer.append((char)ch);}is.close();connecton.close();return buffer.toString();}private String get() throws Exception{StringBuffer sb=new StringBuffer();InputStream is=Connector.openInputStream(url+"?req=GET");int ch;while((ch = is.read())!=-1) {sb.append((char) ch);}return sb.toString();} }class MessagesBox extends StringItem{Vector messages=new Vector(); public MessagesBox(String label, String text){super(label,text);}public void append(String message){messages.addElement(message);refresh();}public void refresh(){StringBuffer buffer=new StringBuffer();for(int i=(messages.size()-1);i>-1;i--){String message=(String)messages.elementAt(i);buffer.append(message+"\n");}setText(buffer.toString());}}class NickForm extends Form implements CommandListener{Command okCommand=new Command("Ok",Command.SCREEN,1);TextField field; ChatMIDlet midlet;public NickForm(ChatMIDlet midlet,String title){super(title);this.midlet=midlet;field=new TextField("Nick:","",100,TextField.ANY);append(field);addCommand(okCommand);setCommandListener(this);}public void commandAction(Command c, Displayable d){if(c==okCommand){String nick=field.getString();midlet.setNick(nick);}} }