/*
*
*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package com.sun.midp.services;
import com.sun.midp.links.*;
import java.io.*;
import java.lang.*;
final class SystemServiceConnectionImpl
implements SystemServiceConnection {
private SystemServiceConnectionLinks connectionLinks = null;
private SystemServiceConnectionListener listener = null;
class ListenerThread extends Thread {
public void run() {
try {
while (true) {
SystemServiceMessage msg = receive();
listener.onMessage(msg);
}
} catch ( SystemServiceConnectionClosedException e) {
listener.onConnectionClosed();
}
}
}
SystemServiceConnectionImpl(SystemServiceConnectionLinks connectionLinks) {
this.connectionLinks = connectionLinks;
}
public SystemServiceMessage receive()
throws SystemServiceConnectionClosedException {
try {
Link receiveLink = connectionLinks.getReceiveLink();
LinkMessage msg = receiveLink.receive();
byte[] data = msg.extractData();
return new SystemServiceReadMessage(data);
} catch (ClosedLinkException e) {
throw new SystemServiceConnectionClosedException();
} catch (InterruptedIOException e) {
connectionLinks.close();
throw new SystemServiceConnectionClosedException();
} catch (IOException e) {
connectionLinks.close();
throw new SystemServiceConnectionClosedException();
}
}
public void send(SystemServiceMessage msg)
throws SystemServiceConnectionClosedException {
try {
SystemServiceWriteMessage writeMsg = (SystemServiceWriteMessage)msg;
byte[] data = writeMsg.getData();
LinkMessage linkMsg = LinkMessage.newDataMessage(data);
Link sendLink = connectionLinks.getSendLink();
sendLink.send(linkMsg);
} catch (ClosedLinkException e) {
throw new SystemServiceConnectionClosedException();
} catch (InterruptedIOException e) {
connectionLinks.close();
throw new SystemServiceConnectionClosedException();
} catch (IOException e) {
connectionLinks.close();
throw new SystemServiceConnectionClosedException();
}
}
public void setConnectionListener(SystemServiceConnectionListener l) {
listener = l;
new ListenerThread().start();
}
}
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