GatewayHelloFilter.java

/**
 * 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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;

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;

public class GatewayHelloFilter implements Filter {

  @Override
  public void init( FilterConfig filterConfig ) throws ServletException {
    System.out.println( "GatewayHelloFilter.init" );
  }

  @Override
  public void doFilter( ServletRequest request, ServletResponse response, FilterChain chain ) throws IOException, ServletException {
    System.out.println( "GatewayHelloFilter.doFilter" );
    chain.doFilter( request, response );
  }

  @Override
  public void destroy() {
    System.out.println( "GatewayHelloFilter.destroy" );
  }

}