/**
* 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.gae.task;
import java.net.URI;
import java.util.Map;
import com.google.appengine.api.labs.taskqueue.Queue;
import com.google.appengine.api.labs.taskqueue.QueueFactory;
import org.apache.camel.Endpoint;
import org.apache.camel.component.gae.bind.InboundBinding;
import org.apache.camel.component.gae.bind.OutboundBinding;
import org.apache.camel.component.http.HttpClientConfigurer;
import org.apache.camel.component.servlet.ServletComponent;
import org.apache.camel.component.servlet.ServletEndpoint;
import org.apache.commons.httpclient.HttpConnectionManager;
import org.apache.commons.httpclient.params.HttpClientParams;
/**
* The <a href="http://camel.apache.org/todo.html">Google App Engine Task
* Queueing Component</a> supports asynchronous message processing. Outbound
* communication uses the task queueing service of the Google App Engine.
* Inbound communication is realized in terms of the <a
* href="http://camel.apache.org/servlet.html"> Servlet Component</a> component
* for installing a web hook.
*/
public class GTaskComponent extends ServletComponent {
@Override
@SuppressWarnings("unchecked")
protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
String workerRoot = getAndRemoveParameter(
parameters, "workerRoot", String.class, "worker");
OutboundBinding outboundBinding = resolveAndRemoveReferenceParameter(
parameters, "outboundBindingRef", OutboundBinding.class, new GTaskBinding());
InboundBinding inboundBinding = resolveAndRemoveReferenceParameter(
parameters, "inboundBindingRef", InboundBinding.class, new GTaskBinding());
Queue queue = resolveAndRemoveReferenceParameter(
parameters, "queueRef", Queue.class, QueueFactory.getQueue(remaining));
GTaskEndpointInfo info = new GTaskEndpointInfo(uri, remaining);
GTaskEndpoint endpoint = (GTaskEndpoint)super.createEndpoint(
info.getCanonicalUri(),
info.getCanonicalUriPath(),
parameters);
endpoint.setWorkerRoot(workerRoot);
endpoint.setOutboundBinding(outboundBinding);
endpoint.setInboundBinding(inboundBinding);
endpoint.setQueue(queue);
return endpoint;
}
@Override
protected ServletEndpoint createServletEndpoint(String endpointUri,
ServletComponent component, URI httpUri, HttpClientParams params,
HttpConnectionManager httpConnectionManager,
HttpClientConfigurer clientConfigurer) throws Exception {
return new GTaskEndpoint(endpointUri, component, httpUri, params,
httpConnectionManager, clientConfigurer);
}
}