/**
* 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.ServerBaseFeed;
import org.apache.lucene.gdata.server.GDataResponse;
import org.apache.lucene.gdata.server.ServiceException;
import org.apache.lucene.gdata.server.ServiceFactory;
import org.apache.lucene.gdata.server.administration.AdminService;
import org.apache.lucene.gdata.server.registry.ComponentType;
import org.apache.lucene.gdata.server.registry.GDataServerRegistry;
/**
* @author Simon Willnauer
*
*/
public class DeleteFeedHandler extends AbstractFeedHandler{
private static final Log LOG = LogFactory.getLog(DeleteFeedHandler.class);
/**
* @throws IOException
* @see org.apache.lucene.gdata.servlet.handler.GDataRequestHandler#processRequest(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
*/
@Override
public void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
super.processRequest(request,response);
if(this.authenticated){
AdminService service = null;
try {
ServerBaseFeed feed = createDeleteFeed(request);
GDataServerRegistry registry = GDataServerRegistry.getRegistry();
ServiceFactory serviceFactory = registry.lookup(ServiceFactory.class,ComponentType.SERVICEFACTORY);
if(serviceFactory == null){
setError(GDataResponse.SERVER_ERROR,"required component is not available");
throw new FeedHandlerException("Can't save feed - ServiceFactory is null");
}
service = serviceFactory.getAdminService();
service.deleteFeed(feed);
} catch (FeedHandlerException e) {
LOG.error("Can not delete feed -- "+e.getMessage(),e);
}catch (ServiceException e) {
LOG.error("Can not delete feed -- "+e.getMessage(),e);
setError(e.getErrorCode(),"can not create feed");
}finally{
if(service != null)
service.close();
}
}
sendResponse(response);
}
private ServerBaseFeed createDeleteFeed(final HttpServletRequest request) throws FeedHandlerException {
String feedId = request.getParameter("feedid");
if(feedId == null){
setError(GDataResponse.BAD_REQUEST,"No feed id specified");
throw new FeedHandlerException("no feed Id specified");
}
ServerBaseFeed retVal = new ServerBaseFeed();
retVal.setId(feedId);
return retVal;
}
}