mungkin emang di nokia 3105 tidak support untuk socket, tp untuk yg s60
series jalan khan?
--- Juwono <[EMAIL PROTECTED]> wrote:
>
> Bagaimana ya caranya untuk menggunakan socket connection untuk MIDP
> 1.0 ?
>
> Saya mencoba potongan program ini :
>
> StreamConnection SambungPOP;
> boolean negative = false;
> String requestCommand,respon;
> try {
> SambungPOP = (StreamConnection)
> Connector.open("socket://pop.hotpop.com:110",Connector.READ_WRITE);
> SambungPOP.close();
> } catch (IOException ioe) {}
>
> lalu keluar Error :
>
> javax.microedition.io.ConnectionNotFoundException: The requested
> protocol
> does not exist socket://pop.hotpop.com:110
>
> Error tersebut keluar saat saya coba dengan menggunakan emulator
> nokia
> 3510i SDK. Kalau menggunakan java wireless toolkit, error tadi tidak
> keluar dan
> koneksi berhasil dilakukan.
>
> Berdasarkan yang saya tahu, MIDP 1.0 memang tidak menyediakan koneksi
> untuk
> socket, apa memang benar ?
>
> Saya menemukan di salah satu forum java yang berisi sebagai berikut :
>
> Well, although not supported and maybe not recomended I implemented
> the socket
> protocol in the MIDP. Sometimes you need more than HTTP :-)
>
> It was easy once you knew how to do it. The thing is to trick the
> Connector class to
> believe that socket is a valid protocol
> [Connector.open("socket://<ipaddress>:<port>")].
>
> Using this method you can create what ever protocol you want, like
> datagram:,
> socketserver:, ldap:,....
> Actually socket is already in the MIDP; I mean HTTP is using
> "sockets".
>
> What you have to do is to create a Protocol.class and put it under
> com/sun/midp/io/j2me/socket. This is where the Connector classs is
> looking
> for
> supported protocols. As you can see only http is available.
>
> The protocol class should extend
> com.sun.cldc.io.j2me.socket.Protocol. You see
> sockets are supported in CLDC, but you are not allowed to use these
> methods
> directly. If you do an exception is thrown - "Should not be
> called"...
>
> well enough rambling... (as you can see i tried all different stuff
> before
> I got it right)
>
> package com.sun.midp.io.j2me.socket;
>
> import com.sun.cldc.io.ConnectionBase;
> import javax.microedition.io.Connection;
> import javax.microedition.io.StreamConnection;
> import java.io.IOException;
> import java.io.InputStream;
> import java.io.OutputStream;
> import java.io.DataInputStream;
> import java.io.DataOutputStream;
>
> public class Protocol extends com.sun.cldc.io.j2me.socket.Protocol
> {
> public Connection c;
>
> public Protocol()
> {
> super();
> System.out.println("Protocol.ConnectionBase() called");
> }
>
> put this java file together with you MIDlet source and voila socket
> is at
> your service.
> At first I put the Protocol.class in the midpapi.zip, since I though
> the
> emulator
> used it for the "phones".... It doesn't seem that way.
>
> Cara diatas sudah saya coba, tetapi tetap tidak ada perubahan, apakah
> ada
> cara lain ?
>
>
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