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     *****************************************************************************/
009    package org.picocontainer.injectors;
010    
011    import org.picocontainer.ComponentAdapter;
012    import org.picocontainer.ComponentMonitor;
013    import org.picocontainer.InjectionFactory;
014    import org.picocontainer.LifecycleStrategy;
015    import org.picocontainer.Parameter;
016    import org.picocontainer.PicoCompositionException;
017    import org.picocontainer.PicoContainer;
018    import org.picocontainer.Characteristics;
019    import org.picocontainer.behaviors.AbstractBehaviorFactory;
020    
021    import java.lang.reflect.Type;
022    import java.util.Properties;
023    
024    public class Reinjection extends CompositeInjection {
025    
026        public Reinjection(InjectionFactory reinjectionFactory, final PicoContainer parent) {
027            super(new AbstractInjectionFactory() {
028                public <T> ComponentAdapter<T> createComponentAdapter(
029                        ComponentMonitor componentMonitor, LifecycleStrategy lifecycleStrategy,
030                        Properties componentProperties, final Object componentKey, Class<T> componentImplementation,
031                        Parameter... parameters) throws PicoCompositionException {
032                    boolean useNames = AbstractBehaviorFactory.arePropertiesPresent(componentProperties, Characteristics.USE_NAMES, true);
033                    return new ReinjectionInjector(componentKey, componentImplementation, parameters, componentMonitor, parent, useNames);
034                }
035            }, reinjectionFactory);
036        }
037    
038        private static class ReinjectionInjector<T> extends AbstractInjector {
039            private final PicoContainer parent;
040    
041            public ReinjectionInjector(Object componentKey, Class<T> componentImplementation, Parameter[] parameters, ComponentMonitor componentMonitor, PicoContainer parent, boolean useNames) {
042                super(componentKey, componentImplementation, parameters, componentMonitor, useNames);
043                this.parent = parent;
044            }
045    
046            public Object getComponentInstance(PicoContainer container, Type into) throws PicoCompositionException {
047                return parent.getComponent(getComponentKey());
048            }
049    
050        }
051    }