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// 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;
}