/**
* 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.lucene.gdata.servlet.handler;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.lucene.gdata.data.GDataAccount.AccountRole;
import org.apache.lucene.gdata.server.GDataRequestException;
import org.apache.lucene.gdata.server.GDataResponse;
import org.apache.lucene.gdata.server.ServiceException;
import org.apache.lucene.gdata.server.GDataRequest.GDataRequestType;
import com.google.gdata.data.BaseEntry;
/**
* Default Handler implementation. This handler processes the incoming
* {@link org.apache.lucene.gdata.server.GDataRequest} and updates the requested
* feed entry in the storage and the search component.
* <p>
* The handler sends following response to the client:
* </p>
* <ol>
* <li>if the entry was successfully updated - HTTP status code <i>200 OK</i></li>
* <li>if an error occurs - HTTP status code <i>500 INTERNAL SERVER ERROR</i></li>
* <li>if the resource could not found - HTTP status code <i>404 NOT FOUND</i></li>
* </ol>
*
* @author Simon Willnauer
*
*/
public class DefaultUpdateHandler extends AbstractGdataRequestHandler {
private static final Log LOG = LogFactory
.getLog(DefaultUpdateHandler.class);
/**
* @throws ServletException
* @see org.apache.lucene.gdata.servlet.handler.AbstractGdataRequestHandler#processRequest(javax.servlet.http.HttpServletRequest,
* javax.servlet.http.HttpServletResponse)
*/
@Override
public void processRequest(HttpServletRequest request,
HttpServletResponse response) throws IOException, ServletException {
try {
initializeRequestHandler(request, response,GDataRequestType.UPDATE);
} catch (GDataRequestException e) {
setError(GDataResponse.UNAUTHORIZED);
sendError();
return;
}
if(!authenticateAccount(request,AccountRole.ENTRYAMINISTRATOR)){
sendError();
return;
}
try {
BaseEntry entry = this.service.updateEntry(this.feedRequest,
this.feedResponse);
setFeedResponseFormat();
this.feedResponse.sendResponse(entry, this.feedRequest.getConfigurator());
}
catch (ServiceException e) {
LOG.error("Could not process UpdateFeed request - "
+ e.getMessage(), e);
setError(e.getErrorCode());
sendError();
}finally{
closeService();
}
}
}