# SpringImporterAssembler.java

    /*
     * Copyright (c) 2008, Rickard Öberg. All Rights Reserved.
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     *
     */

    package org.qi4j.library.spring.importer;

    import org.qi4j.api.common.Visibility;
    import org.qi4j.bootstrap.Assembler;
    import org.qi4j.bootstrap.AssemblyException;
    import org.qi4j.bootstrap.ModuleAssembly;
    import org.springframework.context.ApplicationContext;

    /**
     * Imports all services in the given Spring ApplicationContext into a module.
     */
    public class SpringImporterAssembler
        implements Assembler
    {
        private ApplicationContext context;
        private Visibility defaultVisibility;

        /**
         * Import all beans from the given ApplicationContext as services in Zest,
         * using Module as Visibility.
         *
         * @param context the Spring ApplicationContext
         */
        public SpringImporterAssembler( ApplicationContext context )
        {
            this( context, Visibility.module );
        }

        /**
         * Import all beans from the given ApplicationContext as services in Zest,
         * using the specified Visibility level.
         *
         * @param context           the Spring ApplicationContext
         * @param defaultVisibility the visibility level for the imported services
         */
        public SpringImporterAssembler( ApplicationContext context, Visibility defaultVisibility )
        {
            this.context = context;
            this.defaultVisibility = defaultVisibility;
        }

        @Override
        public void assemble( ModuleAssembly module ) throws AssemblyException
        {
            // Register all Spring beans as services
            String[] names = context.getBeanDefinitionNames();
            for( String name : names )
            {
                Class serviceType = context.getType( name );
                module.
                    importedServices( serviceType ).
                    importedBy( SpringImporter.class ).
                    identifiedBy( name ).
                    setMetaInfo( context ).
                    visibleIn( defaultVisibility );
            }
        }
    }