001    /*****************************************************************************
002     * Copyright (c) PicoContainer Organization. All rights reserved.            *
003     * ------------------------------------------------------------------------- *
004     * The software in this package is published under the terms of the BSD      *
005     * style license a copy of which has been included with this distribution in *
006     * the LICENSE.txt file.                                                     *
007     *                                                                           *
008     * Idea by Rachel Davies, Original code by various                           *
009     *****************************************************************************/
010    package org.nanocontainer.aop.defaults;
011    
012    import org.nanocontainer.aop.AspectsApplicator;
013    import org.picocontainer.ComponentAdapter;
014    import org.picocontainer.Parameter;
015    import org.picocontainer.PicoIntrospectionException;
016    import org.picocontainer.defaults.AssignabilityRegistrationException;
017    import org.picocontainer.defaults.ComponentAdapterFactory;
018    import org.picocontainer.defaults.DecoratingComponentAdapterFactory;
019    import org.picocontainer.defaults.DefaultComponentAdapterFactory;
020    import org.picocontainer.defaults.NotConcreteRegistrationException;
021    
022    /**
023     * Produces component adapters that apply aspects to components.
024     *
025     * @author Stephen Molitor
026     * @version $Revision: 3144 $
027     */
028    public class AspectsComponentAdapterFactory extends DecoratingComponentAdapterFactory {
029    
030        private final AspectsApplicator aspectsApplicator;
031    
032        /**
033         * Creates a new <code>AspectsComponentAdapterFactory</code>. The factory
034         * will produce <code>AspectsComponentAdapter</code> objects that will use
035         * <code>aspectsApplicator</code> to apply aspects to components produced
036         * by <code>delegate</code>.
037         *
038         * @param aspectsApplicator used to apply the aspects.
039         * @param delegate          the real component adapter factory that this factory
040         *                          delegates to.
041         */
042        public AspectsComponentAdapterFactory(AspectsApplicator aspectsApplicator, ComponentAdapterFactory delegate) {
043            super(delegate);
044            this.aspectsApplicator = aspectsApplicator;
045        }
046    
047        /**
048         * Creates a new <code>AspectsComponentAdapterFactory</code>. The factory
049         * will produce <code>AspectsComponentAdapter</code> objects that will use
050         * <code>aspectsApplicator</code> to apply aspects to components produced
051         * by a
052         * <code>org.picocontainer.defaults.DefaultComponentAdapterFactory</code>.
053         *
054         * @param aspectsApplicator used to apply the aspects.
055         */
056        public AspectsComponentAdapterFactory(AspectsApplicator aspectsApplicator) {
057            this(aspectsApplicator, new DefaultComponentAdapterFactory());
058        }
059    
060        public ComponentAdapter createComponentAdapter(Object componentKey, Class componentImplementation,
061                                                       Parameter[] parameters) throws PicoIntrospectionException, AssignabilityRegistrationException,
062                NotConcreteRegistrationException {
063            return new AspectsComponentAdapter(aspectsApplicator, super.createComponentAdapter(componentKey,
064                    componentImplementation, parameters));
065        }
066    
067    }