org.apache.catalina.valves.RemoteHostValve Maven / Gradle / Ivy
/*
* 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.catalina.valves;
import java.io.IOException;
import javax.servlet.ServletException;
import org.apache.catalina.connector.Request;
import org.apache.catalina.connector.Response;
/**
* Concrete implementation of RequestFilterValve that filters
* based on the remote client's host name.
*
* @author Craig R. McClanahan
* @version $Id: RemoteHostValve.java 1187022 2011-10-20 19:55:37Z markt $
*/
public final class RemoteHostValve
extends RequestFilterValve {
// ----------------------------------------------------- Instance Variables
/**
* The descriptive information related to this implementation.
*/
private static final String info =
"org.apache.catalina.valves.RemoteHostValve/1.0";
// ------------------------------------------------------------- Properties
/**
* Return descriptive information about this Valve implementation.
*/
@Override
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
* 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
*/
@Override
public void invoke(Request request, Response response)
throws IOException, ServletException {
process(request.getRequest().getRemoteHost(), request, response);
}
}