| /** |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds 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.jclouds.demo.tweetstore.controller; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static com.google.common.base.Strings.nullToEmpty; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import javax.annotation.Resource; |
| import javax.inject.Inject; |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| import javax.ws.rs.core.MediaType; |
| |
| import org.jclouds.blobstore.BlobStoreContext; |
| import org.jclouds.demo.tweetstore.reference.TweetStoreConstants; |
| import org.jclouds.logging.Logger; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| |
| /** |
| * Grab tweets related to me and store them into blobstores |
| * |
| * @author Adrian Cole |
| */ |
| @Singleton |
| public class ClearTweetsController extends HttpServlet { |
| /** The serialVersionUID */ |
| private static final long serialVersionUID = 7215420527854203714L; |
| |
| private final Map<String, BlobStoreContext> contexts; |
| private final String container; |
| |
| @Resource |
| protected Logger logger = Logger.NULL; |
| |
| @Inject |
| @VisibleForTesting |
| public ClearTweetsController(Map<String, BlobStoreContext> contexts, |
| @Named(TweetStoreConstants.PROPERTY_TWEETSTORE_CONTAINER) String container) { |
| this.container = container; |
| this.contexts = contexts; |
| } |
| |
| @VisibleForTesting |
| public void clearContainer(String contextName) { |
| BlobStoreContext context = checkNotNull(contexts.get(contextName), |
| "no context for %s in %s", contextName, contexts.keySet()); |
| try { |
| context.getBlobStore().clearContainer(container); |
| } catch (Exception e) { |
| logger.error(e, "Error clearing tweets in %s/%s", container, context); |
| } |
| } |
| |
| @Override |
| protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { |
| if (nullToEmpty(request.getHeader("X-Originator")).equals("admin")) { |
| try { |
| String contextName = checkNotNull(request.getHeader("context"), "missing header context"); |
| logger.info("clearing tweets in %s/%s", container, contextName); |
| clearContainer(contextName); |
| logger.debug("done clearing tweets"); |
| response.setContentType(MediaType.TEXT_PLAIN); |
| response.getWriter().println("Done!"); |
| } catch (Exception e) { |
| logger.error(e, "Error clearing tweets"); |
| throw new ServletException(e); |
| } |
| } else { |
| response.sendError(401); |
| } |
| } |
| } |