/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.component.jhc;
import java.io.IOException;
import org.apache.camel.AsyncCallback;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.impl.DefaultConsumer;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.HttpEntity;
import org.apache.http.HttpEntityEnclosingRequest;
import org.apache.http.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.HttpResponseFactory;
import org.apache.http.HttpStatus;
import org.apache.http.HttpVersion;
import org.apache.http.ProtocolVersion;
import org.apache.http.impl.DefaultHttpResponseFactory;
import org.apache.http.nio.NHttpConnection;
import org.apache.http.nio.protocol.EventListener;
import org.apache.http.params.HttpParams;
import org.apache.http.protocol.HttpContext;
import org.apache.http.protocol.HttpRequestHandler;
/**
* Created by IntelliJ IDEA. User: gnodet Date: Sep 7, 2007 Time: 8:15:54 PM To
* change this template use File | Settings | File Templates.
*/
public class JhcConsumer extends DefaultConsumer<JhcExchange> {
private static final Log LOG = LogFactory.getLog(JhcConsumer.class);
private JhcServerEngine engine;
private MyHandler handler;
public JhcConsumer(JhcEndpoint endpoint, Processor processor) {
super(endpoint, processor);
engine = JhcServerEngineFactory.getJhcServerEngine(endpoint.getParams(), endpoint.getPort(), endpoint
.getProtocol());
handler = new MyHandler(endpoint.getParams(), endpoint.getPath());
}
public JhcEndpoint getEndpoint() {
return (JhcEndpoint)super.getEndpoint();
}
protected void doStart() throws Exception {
super.doStart();
engine.register(handler.getPath() + "*", handler);
if (!engine.isStarted()) {
engine.start();
}
}
protected void doStop() throws Exception {
engine.unregister(handler.getPath() + "*");
if (engine.getReferenceCounter() == 0) {
engine.stop();
}
super.doStop();
}
class MyHttpRequestHandler implements HttpRequestHandler {
public void handle(HttpRequest httpRequest, HttpResponse httpResponse, HttpContext httpContext)
throws HttpException, IOException {
LOG.debug("handle");
}
}
static class EventLogger implements EventListener {
public void connectionOpen(final NHttpConnection conn) {
if (LOG.isDebugEnabled()) {
LOG.debug("Connection open: " + conn);
}
}
public void connectionTimeout(final NHttpConnection conn) {
if (LOG.isDebugEnabled()) {
LOG.debug("Connection timed out: " + conn);
}
}
public void connectionClosed(final NHttpConnection conn) {
if (LOG.isDebugEnabled()) {
LOG.debug("Connection closed: " + conn);
}
}
public void fatalIOException(final IOException ex, final NHttpConnection conn) {
if (LOG.isDebugEnabled()) {
LOG.debug("I/O error: " + ex.getMessage());
}
}
public void fatalProtocolException(final HttpException ex, final NHttpConnection conn) {
if (LOG.isDebugEnabled()) {
LOG.debug("HTTP error: " + ex.getMessage());
}
}
}
class MyHandler implements AsyncHttpRequestHandler {
private final HttpParams params;
private final HttpResponseFactory responseFactory;
private final String path;
public MyHandler(HttpParams params, String path) {
this(params, path, new DefaultHttpResponseFactory());
}
public MyHandler(HttpParams params, String path, HttpResponseFactory responseFactory) {
this.params = params;
this.path = path;
this.responseFactory = responseFactory;
}
public String getPath() {
return path;
}
public void handle(final HttpRequest request, final HttpContext context,
final AsyncResponseHandler handler) throws HttpException, IOException {
final Exchange exchange = getEndpoint().createExchange();
exchange.getIn().setHeader("http.uri", request.getRequestLine().getUri());
if (request instanceof HttpEntityEnclosingRequest) {
exchange.getIn().setBody(((HttpEntityEnclosingRequest)request).getEntity());
}
getAsyncProcessor().process(exchange, new AsyncCallback() {
public void done(boolean doneSynchronously) {
LOG.debug("handleExchange");
// create the default response to this request
ProtocolVersion httpVersion = (HttpVersion)request.getRequestLine().getProtocolVersion();
HttpResponse response = responseFactory.newHttpResponse(
httpVersion, HttpStatus.SC_OK, context);
response.setParams(params);
HttpEntity entity = exchange.getOut().getBody(HttpEntity.class);
response.setEntity(entity);
response.setParams(getEndpoint().getParams());
try {
handler.sendResponse(response);
} catch (Exception e) {
LOG.info(e);
}
}
});
}
public void handle(HttpRequest request, HttpResponse response, HttpContext context)
throws HttpException, IOException {
// now we just handler the requset async, do nothing here
}
}
}