/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.hadoop.gateway.filter.rewrite.api;
import org.apache.hadoop.gateway.filter.AbstractGatewayFilter;
import org.apache.hadoop.gateway.filter.rewrite.impl.UrlRewriteRequest;
import org.apache.hadoop.gateway.filter.rewrite.impl.UrlRewriteResponse;
import org.apache.hadoop.gateway.util.MimeTypes;
import javax.activation.MimeType;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
/**
*
*/
public class UrlRewriteServletFilter extends AbstractGatewayFilter {
public static final String REQUEST_URL_RULE_PARAM = "request.url";
public static final String REQUEST_HEADERS_FILTER_PARAM = "request.headers";
public static final String REQUEST_COOKIES_FILTER_PARAM = "request.cookies";
public static final String REQUEST_BODY_FILTER_PARAM = "request.body";
public static final String RESPONSE_HEADERS_FILTER_PARAM = "response.headers";
public static final String RESPONSE_COOKIES_FILTER_PARAM = "response.cookies";
public static final String RESPONSE_BODY_FILTER_PARAM = "response.body";
public static final MimeType HEADERS_MIME_TYPE = MimeTypes.create( "application/x-http-headers", null );
public static final MimeType COOKIES_MIME_TYPE = MimeTypes.create( "application/x-http-cookies", null );
@Override
public void init( FilterConfig filterConfig ) throws ServletException {
super.init( filterConfig );
}
@Override
protected void doFilter( HttpServletRequest request, HttpServletResponse response, FilterChain chain )
throws IOException, ServletException {
FilterConfig config = getConfig();
UrlRewriteRequest rewriteRequest = new UrlRewriteRequest( config, request );
UrlRewriteResponse rewriteResponse = new UrlRewriteResponse( config, rewriteRequest, response );
chain.doFilter( rewriteRequest, rewriteResponse );
}
}