| // Copyright (C) 2015 The Android Open Source Project |
| // |
| // 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.ericsson.gerrit.plugins.highavailability.forwarder.rest; |
| |
| import static javax.servlet.http.HttpServletResponse.SC_BAD_REQUEST; |
| import static javax.servlet.http.HttpServletResponse.SC_NO_CONTENT; |
| |
| import com.ericsson.gerrit.plugins.highavailability.forwarder.CacheEntry; |
| import com.ericsson.gerrit.plugins.highavailability.forwarder.CacheNotFoundException; |
| import com.ericsson.gerrit.plugins.highavailability.forwarder.ForwardedCacheEvictionHandler; |
| import com.google.common.base.Splitter; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import java.io.IOException; |
| import java.util.List; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| @Singleton |
| class CacheRestApiServlet extends AbstractRestApiServlet { |
| private static final int CACHENAME_INDEX = 1; |
| private static final long serialVersionUID = -1L; |
| |
| private final ForwardedCacheEvictionHandler forwardedCacheEvictionHandler; |
| |
| @Inject |
| CacheRestApiServlet(ForwardedCacheEvictionHandler forwardedCacheEvictionHandler) { |
| this.forwardedCacheEvictionHandler = forwardedCacheEvictionHandler; |
| } |
| |
| @Override |
| protected void doPost(HttpServletRequest req, HttpServletResponse rsp) { |
| setHeaders(rsp); |
| try { |
| List<String> params = Splitter.on('/').splitToList(req.getPathInfo()); |
| String cacheName = params.get(CACHENAME_INDEX); |
| String json = req.getReader().readLine(); |
| forwardedCacheEvictionHandler.evict( |
| CacheEntry.from(cacheName, GsonParser.fromJson(cacheName, json))); |
| rsp.setStatus(SC_NO_CONTENT); |
| } catch (CacheNotFoundException e) { |
| log.error("Failed to process eviction request: {}", e.getMessage()); |
| sendError(rsp, SC_BAD_REQUEST, e.getMessage()); |
| } catch (IOException e) { |
| log.error("Failed to process eviction request: {}", e.getMessage(), e); |
| sendError(rsp, SC_BAD_REQUEST, e.getMessage()); |
| } |
| } |
| } |