/**
*
* Copyright 2004 Hiram Chirino
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.activeio.adapter;
import java.io.IOException;
import org.activeio.AsynchChannel;
import org.activeio.AsynchChannelListener;
import org.activeio.Packet;
import org.activeio.RequestChannel;
import org.activeio.RequestListener;
import org.activeio.packet.EOSPacket;
/**
* Creates a {@see org.activeio.RequestChannel} out of a {@see org.activeio.AsynchChannel}.
* Does not support sending requests. It can only be used to handle requests.
*
* @version $Revision$
*/
public class AsynchChannelToServerRequestChannel implements RequestChannel, AsynchChannelListener {
private final AsynchChannel next;
private RequestListener requestListener;
public AsynchChannelToServerRequestChannel(AsynchChannel next) throws IOException {
this.next = next;
next.setAsynchChannelListener(this);
}
public Packet request(Packet request, long timeout) throws IOException {
throw new IOException("Operation not supported.");
}
public void setRequestListener(RequestListener requestListener) throws IOException {
this.requestListener = requestListener;
}
public RequestListener getRequestListener() {
return requestListener;
}
public Object narrow(Class target) {
return next.narrow(target);
}
public void dispose() {
next.dispose();
}
public void start() throws IOException {
next.start();
}
public void stop(long timeout) throws IOException {
next.stop(timeout);
}
public void onPacket(Packet packet) {
if( packet == EOSPacket.EOS_PACKET ) {
return;
}
try {
Packet response = requestListener.onRequest(packet);
next.write(response);
next.flush();
} catch (IOException e) {
requestListener.onRquestError(e);
}
}
public void onPacketError(IOException error) {
requestListener.onRquestError(error);
}
}