/**
* 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.hdfs.server.namenode;
import java.util.*;
import java.io.*;
import org.apache.hadoop.conf.*;
import org.apache.commons.logging.*;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* This class is used in Namesystem's jetty to do fsck on namenode.
*/
public class FsckServlet extends HttpServlet {
@SuppressWarnings("unchecked")
public void doGet(HttpServletRequest request,
HttpServletResponse response
) throws ServletException, IOException {
Map<String,String[]> pmap = request.getParameterMap();
ServletContext context = getServletContext();
NameNode nn = (NameNode) context.getAttribute("name.node");
Configuration conf = (Configuration) context.getAttribute("name.conf");
NamenodeFsck fscker = new NamenodeFsck(conf, nn, pmap, response);
fscker.fsck();
}
}