/**
* 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 org.apache.aurora.scheduler.http;
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;
/**
* A base class for a filter that expects HTTP requests. This allows filter implementations to
* avoid no-op implementations and casting to HTTP request and response types.
*/
public abstract class AbstractFilter implements Filter {
@Override
public void init(FilterConfig filterConfig) throws ServletException {
// No-op.
}
@Override
public void doFilter(
ServletRequest request,
ServletResponse response,
FilterChain chain) throws IOException, ServletException {
doFilter((HttpServletRequest) request, (HttpServletResponse) response, chain);
}
protected abstract void doFilter(
HttpServletRequest request,
HttpServletResponse response,
FilterChain chain) throws IOException, ServletException;
@Override
public void destroy() {
// No-op.
}
}