| // Copyright (C) 2013 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.google.gerrit.httpd; |
| |
| import com.google.common.base.Strings; |
| import com.google.common.collect.ImmutableListMultimap; |
| import com.google.common.flogger.FluentLogger; |
| import com.google.gerrit.httpd.restapi.RestApiServlet; |
| import com.google.gerrit.server.documentation.QueryDocumentationExecutor; |
| import com.google.gerrit.server.documentation.QueryDocumentationExecutor.DocQueryException; |
| import com.google.gerrit.server.documentation.QueryDocumentationExecutor.DocResult; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import java.io.IOException; |
| import java.util.List; |
| import javax.servlet.Filter; |
| import javax.servlet.FilterChain; |
| import javax.servlet.FilterConfig; |
| import javax.servlet.ServletException; |
| import javax.servlet.ServletRequest; |
| import javax.servlet.ServletResponse; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| @Singleton |
| public class QueryDocumentationFilter implements Filter { |
| private static final FluentLogger logger = FluentLogger.forEnclosingClass(); |
| |
| private final QueryDocumentationExecutor searcher; |
| |
| @Inject |
| QueryDocumentationFilter(QueryDocumentationExecutor searcher) { |
| this.searcher = searcher; |
| } |
| |
| @Override |
| public void init(FilterConfig filterConfig) {} |
| |
| @Override |
| public void destroy() {} |
| |
| @Override |
| public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) |
| throws IOException, ServletException { |
| HttpServletRequest req = (HttpServletRequest) request; |
| if ("GET".equals(req.getMethod()) && !Strings.isNullOrEmpty(req.getParameter("q"))) { |
| HttpServletResponse rsp = (HttpServletResponse) response; |
| try { |
| List<DocResult> result = searcher.doQuery(request.getParameter("q")); |
| RestApiServlet.replyJson(req, rsp, false, ImmutableListMultimap.of(), result); |
| } catch (DocQueryException e) { |
| logger.atSevere().withCause(e).log("Doc search failed"); |
| rsp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); |
| } |
| } else { |
| chain.doFilter(request, response); |
| } |
| } |
| } |