001    // Copyright 2006, 2007 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    /**
020     * Service interface for the RequestHandler pipeline service. An ordered configuration of filters may be contributed to
021     * the service.
022     *
023     * @see org.apache.tapestry.services.RequestFilter
024     */
025    
026    public interface RequestHandler
027    {
028        /**
029         * Returns true if the request has been handled, false otherwise.
030         */
031        boolean service(Request request, Response response) throws IOException;
032    }