import javax microedition io import java io public class ConnectionMan

import javax.microedition.io.*;
import java.io.*;
public class ConnectionManager {
    protected final String server = "http://no-reg-domain.name"; //такого домена не существует. Когда указан существующий - всё ок
    /*
        TRACE: <at java.lang.NullPointerException:   0>, Exception caught in Display class
        java.lang.NullPointerException:   0
	at h.a(), bci=43
	at a.commandAction(), bci=315
	at javax.microedition.lcdui.ChoiceGroupLFImpl.uCallKeyPressed(), bci=233
	at javax.microedition.lcdui.ItemLFImpl.uCallPointerReleased(), bci=56
	at javax.microedition.lcdui.FormLFImpl$FormInputHandler.uCallPointerReleased(), bci=113
	at javax.microedition.lcdui.AbstractInputHandler.uCallPointerEvent(), bci=84
	at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handlePointerEvent(), bci=97
	at com.sun.midp.lcdui.DisplayEventListener.process(), bci=346
	at com.sun.midp.events.EventQueue.run(), bci=130
	at java.lang.Thread.run(Thread.java:744)
    */
    protected static HttpConnection conn = null;
    protected String requestString = null;
    protected String params = "";
    
    public String getContent(String par) {
        this.params = par;
        Thread t = new Thread(new Runnable() {
            public void run() {
                try {
                    conn = (HttpConnection) Connector.open(server + "/" + params);
                    if(conn.getResponseCode() == conn.HTTP_OK) {
                        StringBuffer sb = new StringBuffer();
                        InputStream is = conn.openInputStream();
                        int ch;
                        while((ch = is.read()) != -1)
                            sb.append((char) ch);
                        requestString = sb.toString();
                    } else {
                        requestString = null;
                    }
                }catch(IOException io) {
                    requestString = null;
                }
            }
        });
        t.start();
        try{
            t.join();
        }catch(InterruptedException ie) {
            ie.printStackTrace();
        }
        
        return requestString.equals("") ? null : requestString;
    }
}