001    // Copyright 2004, 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.services;
016    
017    import java.io.IOException;
018    
019    import javax.servlet.ServletException;
020    import javax.servlet.http.HttpServletRequest;
021    import javax.servlet.http.HttpServletResponse;
022    
023    /**
024     * An object that can service an HTTP servlet request. This is the bridge from the servlet world
025     * into the Tapestry world. Generally, few objects actually implement this; instead objects
026     * implement {@link org.apache.tapestry.services.ServletRequestServicerFilter} and plug into
027     * the tapestry.request.ServletRequestServicerPipeline configuration point.
028     * 
029     * @author Howard Lewis Ship
030     * @since 4.0
031     */
032    public interface ServletRequestServicer
033    {
034        void service(HttpServletRequest request, HttpServletResponse response)
035                throws IOException, ServletException;
036    }