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    
015    package org.apache.tapestry5.spring;
016    
017    import org.apache.tapestry5.TapestryFilter;
018    import org.apache.tapestry5.internal.spring.SpringModuleDef;
019    import org.apache.tapestry5.ioc.def.ModuleDef;
020    
021    import 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     */
029    public 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    }