001// Copyright 2007, 2008, 2009 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
015package org.apache.tapestry5.spring;
016
017import org.apache.tapestry5.http.TapestryFilter;
018import org.apache.tapestry5.internal.spring.SpringModuleDef;
019import org.apache.tapestry5.ioc.def.ModuleDef;
020
021import javax.servlet.ServletContext;
022
023/**
024 * Add logic to setup for Spring integration at startup.  In 5.1, this means creating a Spring ApplicationContext, and
025 * wiring parts of it to resolve Tapestry objects.  In {@linkplain org.apache.tapestry5.spring.SpringConstants#USE_EXTERNAL_SPRING_CONTEXT
026 * compatibility mode}, this means locating the externally configuration context and exposing each bean in it as a
027 * Tapestry IoC service.
028 */
029public class TapestrySpringFilter extends TapestryFilter
030{
031    @Override
032    protected ModuleDef[] provideExtraModuleDefs(ServletContext context)
033    {
034        return new ModuleDef[] {
035                new SpringModuleDef(context)
036        };
037    }
038}