| // Copyright (C) 2012 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.plugins; |
| |
| import com.google.gwtexpui.server.CacheHeaders; |
| |
| import java.io.IOException; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| abstract class Resource { |
| static final Resource NOT_FOUND = new Resource() { |
| @Override |
| int weigh() { |
| return 0; |
| } |
| |
| @Override |
| void send(HttpServletRequest req, HttpServletResponse res) |
| throws IOException { |
| CacheHeaders.setNotCacheable(res); |
| res.sendError(HttpServletResponse.SC_NOT_FOUND); |
| } |
| }; |
| |
| abstract int weigh(); |
| abstract void send(HttpServletRequest req, HttpServletResponse res) |
| throws IOException; |
| } |