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 *****************************************************************************/
009package org.picocontainer.injectors;
010
011import org.picocontainer.Characteristics;
012import org.picocontainer.ComponentAdapter;
013import org.picocontainer.ComponentMonitor;
014import org.picocontainer.InjectionFactory;
015import org.picocontainer.Injector;
016import org.picocontainer.LifecycleStrategy;
017import org.picocontainer.Parameter;
018import org.picocontainer.PicoCompositionException;
019import org.picocontainer.behaviors.AbstractBehaviorFactory;
020
021import java.util.Properties;
022
023/**
024 * A Composite of other types on InjectionFactories - pass them into the varargs constructor.
025 * 
026 * @author Paul Hammant
027 */
028@SuppressWarnings("serial")
029public class CompositeInjection extends AbstractInjectionFactory {
030
031    private final InjectionFactory[] injectionFactories;
032
033    public CompositeInjection(InjectionFactory... injectionFactories) {
034        this.injectionFactories = injectionFactories;
035    }
036
037    public <T> ComponentAdapter<T> createComponentAdapter(ComponentMonitor monitor,
038                                                          LifecycleStrategy lifecycleStrategy,
039                                                          Properties componentProperties,
040                                                          Object componentKey,
041                                                          Class<T> componentImplementation,
042                                                          Parameter... parameters) throws PicoCompositionException {
043
044        Injector[] injectors = new Injector[injectionFactories.length];
045
046        for (int i = 0; i < injectionFactories.length; i++) {
047            InjectionFactory injectionFactory = injectionFactories[i];
048            ComponentAdapter<T> adapter = injectionFactory.createComponentAdapter(monitor,
049                    lifecycleStrategy, componentProperties, componentKey, componentImplementation, parameters);
050            injectors[i] = (Injector) adapter;
051        }
052
053        boolean useNames = AbstractBehaviorFactory.arePropertiesPresent(componentProperties, Characteristics.USE_NAMES, true);
054        return wrapLifeCycle(monitor.newInjector(new CompositeInjector(componentKey, componentImplementation, parameters,
055                monitor, useNames, injectors)), lifecycleStrategy);
056    }
057}