001    // Copyright 2006 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 javax.servlet.http.HttpServletRequest;
018    import javax.servlet.http.HttpServletResponse;
019    import java.io.IOException;
020    
021    /**
022     * Service interface for the HttpServletRequestHandler pipeline service.
023     *
024     * @see org.apache.tapestry.services.HttpServletRequestFilter
025     */
026    public interface HttpServletRequestHandler
027    {
028        /**
029         * Returns true if the request was handled, false otherwise.
030         */
031        boolean service(HttpServletRequest request, HttpServletResponse response) throws IOException;
032    }