| // Copyright 2011 Google Inc. All Rights Reserved. |
| // |
| // 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.enterprise.adaptor; |
| |
| import com.sun.net.httpserver.HttpExchange; |
| import com.sun.net.httpserver.HttpHandler; |
| |
| import java.io.IOException; |
| import java.net.HttpURLConnection; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| |
| /** |
| * HTTP Handler that responds with a fixed redirect. The redirect only occurs if |
| * this handler's path is identical to the requested path, otherwise the |
| * response is 404. |
| */ |
| class RedirectHandler implements HttpHandler { |
| private final String redirectPath; |
| |
| /** |
| * @param redirectPath relative or absolute path to redirect clients to |
| */ |
| public RedirectHandler(String redirectPath) { |
| this.redirectPath = redirectPath; |
| } |
| |
| @Override |
| public void handle(HttpExchange ex) throws IOException { |
| if (!ex.getRequestURI().getPath().equals(ex.getHttpContext().getPath())) { |
| HttpExchanges.cannedRespond(ex, HttpURLConnection.HTTP_NOT_FOUND, |
| Translation.HTTP_NOT_FOUND); |
| return; |
| } |
| |
| URI base = HttpExchanges.getRequestUri(ex); |
| URI path; |
| try { |
| path = new URI(redirectPath); |
| } catch (URISyntaxException e) { |
| throw new IOException("Could not construct URI"); |
| } |
| HttpExchanges.sendRedirect(ex, base.resolve(path)); |
| } |
| } |