    001    // Copyright 2006, 2007, 2008 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.tapestry5.services;
    016
    017    import org.apache.tapestry5.ioc.annotations.UsesOrderedConfiguration;
    018
    019    import java.io.IOException;
    020
    021    /**
    022     * Service interface for the RequestHandler {@linkplain org.apache.tapestry5.ioc.services.PipelineBuilder pipeline}
    023     * service. At the end of the pipeline, the service hands off to the {@linkplain org.apache.tapestry5.services.Dispatcher
    024     * master dispatcher service}.
    025     */
    026    @UsesOrderedConfiguration(RequestFilter.class)
    027    public interface RequestHandler
    028    {
    029        /**
    030         * Returns true if the request has been handled, false otherwise.
    031         */
    032        boolean service(Request request, Response response) throws IOException;
    033    }