/*
* 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.hbase.rest;
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;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class DummyFilter implements Filter {
private static final Log LOG = LogFactory.getLog(DummyFilter.class);
@Override
public void destroy() {
}
@Override
public void doFilter(ServletRequest paramServletRequest, ServletResponse paramServletResponse,
FilterChain paramFilterChain) throws IOException, ServletException {
if (paramServletRequest instanceof HttpServletRequest
&& paramServletResponse instanceof HttpServletResponse) {
HttpServletRequest request = (HttpServletRequest) paramServletRequest;
HttpServletResponse response = (HttpServletResponse) paramServletResponse;
String path = request.getRequestURI();
LOG.info(path);
if (path.indexOf("/status/cluster") >= 0) {
LOG.info("Blocking cluster status request");
response.sendError(HttpServletResponse.SC_NOT_FOUND, "Cluster status cannot be requested.");
} else {
paramFilterChain.doFilter(request, response);
}
}
}
@Override
public void init(FilterConfig filterChain) throws ServletException {
}
}