| // Copyright 2012 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.gitiles; |
| |
| import java.io.IOException; |
| 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; |
| |
| abstract class AbstractHttpFilter implements Filter { |
| @Override |
| public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) |
| throws IOException, ServletException { |
| doFilter((HttpServletRequest) req, (HttpServletResponse) res, chain); |
| } |
| |
| @Override |
| // Allow subclasses to throw ServletException. |
| public void init(FilterConfig config) throws ServletException { |
| // Default implementation does nothing. |
| } |
| |
| @Override |
| public void destroy() { |
| // Default implementation does nothing. |
| } |
| |
| /** @see #doFilter(ServletRequest, ServletResponse, FilterChain) */ |
| public abstract void doFilter(HttpServletRequest req, HttpServletResponse res, FilterChain chain) |
| throws IOException, ServletException; |
| } |