/*
* Copyright 2012 Google Inc. All Rights Reserved.
*
* 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 com.google.walkaround.slob.server.handler;
import com.google.inject.Inject;
import com.google.walkaround.slob.server.PostCommitAction;
import com.google.walkaround.slob.server.SlobStoreSelector;
import com.google.walkaround.slob.shared.SlobId;
import com.google.walkaround.util.server.servlet.AbstractHandler;
import com.google.walkaround.util.server.servlet.BadRequestException;
import java.io.IOException;
import java.util.logging.Logger;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Task queue handler that processes {@link PostCommitAction}s.
*
* @author ohler@google.com (Christian Ohler)
*/
public class PostCommitTaskHandler extends AbstractHandler {
@SuppressWarnings("unused")
private static final Logger log = Logger.getLogger(PostCommitTaskHandler.class.getName());
public static String STORE_TYPE_PARAM = "store_type";
public static String SLOB_ID_PARAM = "slob_id";
@Inject SlobStoreSelector storeSelector;
@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
log.info(this + ": doPost()");
if (req.getHeader("X-AppEngine-QueueName") == null) {
throw new BadRequestException();
}
String storeType = requireParameter(req, STORE_TYPE_PARAM);
SlobId slobId = new SlobId(requireParameter(req, SLOB_ID_PARAM));
storeSelector.get(storeType).getPostCommitActionScheduler().taskInvoked(slobId);
}
}