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Tomcat example source code file (

This example Tomcat source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

io, ioexception, ioexception, remotehostvalve, requestfiltervalve, response, response, servlet, servletexception, servletexception, string, string

The Tomcat source code

 * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.apache.catalina.valves;

import javax.servlet.ServletException;
import org.apache.catalina.connector.Request;
import org.apache.catalina.connector.Response;

 * Concrete implementation of <code>RequestFilterValve that filters
 * based on the remote client's host name.
 * @author Craig R. McClanahan
 * @version $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $

public final class RemoteHostValve
    extends RequestFilterValve {

    // ----------------------------------------------------- Instance Variables

     * The descriptive information related to this implementation.
    private static final String info =

    // ------------------------------------------------------------- Properties

     * Return descriptive information about this Valve implementation.
    public String getInfo() {

        return (info);


    // --------------------------------------------------------- Public Methods

     * Extract the desired request property, and pass it (along with the
     * specified request and response objects) to the protected
     * <code>process() method to perform the actual filtering.
     * This method must be implemented by a concrete subclass.
     * @param request The servlet request to be processed
     * @param response The servlet response to be created
     * @exception IOException if an input/output error occurs
     * @exception ServletException if a servlet error occurs
    public void invoke(Request request, Response response)
        throws IOException, ServletException {

        process(request.getRequest().getRemoteHost(), request, response);



Other Tomcat examples (source code examples)

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