| /* |
| * Copyright 1999-2001,2004 The Apache Software Foundation. |
| * |
| * Licensed 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 <code>RequestFilterValve</code> that filters |
| * based on the string representation of the remote client's IP address. |
| * |
| * @author Craig R. McClanahan |
| * @version $Revision$ $Date$ |
| */ |
| |
| 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. |
| */ |
| 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()</code> 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); |
| |
| } |
| |
| |
| } |