/*
* Copyright (c) 2009, 2010, 2011, B3log Team
*
* 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.b3log.latke.taskqueue.gae;
import com.google.appengine.api.taskqueue.QueueFactory;
import com.google.appengine.api.taskqueue.TaskOptions;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.b3log.latke.servlet.HTTPRequestMethod;
import org.b3log.latke.taskqueue.Queue;
import org.b3log.latke.taskqueue.Task;
import org.b3log.latke.taskqueue.TaskHandle;
import org.b3log.latke.taskqueue.TaskQueueService;
/**
* Task.
*
* @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
* @version 1.0.0.1, Feb 21, 2012
*/
public final class GAETaskQueueService implements TaskQueueService {
/**
* Logger.
*/
private static final Logger LOGGER = Logger.getLogger(GAETaskQueueService.class.getName());
@Override
public Queue getQueue(final String queueName) {
final com.google.appengine.api.taskqueue.Queue queue = QueueFactory.getQueue(queueName);
return new Queue() {
@Override
public TaskHandle add(final Task task) {
final TaskOptions taskOptions = TaskOptions.Builder.withTaskName(task.getName()).url(task.getURL());
final HTTPRequestMethod requestMethod = task.getRequestMethod();
switch (requestMethod) {
case GET:
taskOptions.method(TaskOptions.Method.GET);
break;
case DELETE:
taskOptions.method(TaskOptions.Method.DELETE);
break;
case HEAD:
taskOptions.method(TaskOptions.Method.HEAD);
break;
case POST:
taskOptions.method(TaskOptions.Method.POST);
break;
case PUT:
taskOptions.method(TaskOptions.Method.PUT);
break;
default:
LOGGER.log(Level.WARNING, "Task request method[{0}], uses GET method instead", requestMethod);
taskOptions.method(TaskOptions.Method.GET);
break;
}
final com.google.appengine.api.taskqueue.TaskHandle handle = queue.add(taskOptions);
final TaskHandle ret = new GAETaskHandle(handle);
return ret;
}
};
}
}