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 * Original code by                                                          *
009 *****************************************************************************/
010package org.picocontainer.injectors;
011
012import org.picocontainer.ComponentMonitor;
013import org.picocontainer.Parameter;
014
015import java.lang.annotation.Annotation;
016import java.lang.reflect.AccessibleObject;
017import java.lang.reflect.InvocationTargetException;
018import java.lang.reflect.Method;
019
020@SuppressWarnings("serial")
021public class AnnotatedMethodInjector extends SetterInjector {
022
023        private final Class<? extends Annotation> injectionAnnotation;
024
025    public AnnotatedMethodInjector(Object key,
026                                   Class<?> impl,
027                                   Parameter[] parameters,
028                                   ComponentMonitor monitor,
029                                   Class<? extends Annotation> injectionAnnotation,
030                                   boolean useNames) {
031        super(key, impl, parameters, monitor, "", "", false, useNames);
032        this.injectionAnnotation = injectionAnnotation;
033    }
034
035    @Override
036    protected Object injectIntoMember(AccessibleObject member, Object componentInstance, Object toInject)
037        throws IllegalAccessException, InvocationTargetException {
038        return ((Method)member).invoke(componentInstance, toInject);
039    }
040
041    @Override
042    protected final boolean isInjectorMethod(Method method) {
043        return method.getAnnotation(injectionAnnotation) != null;
044    }
045
046    @Override
047    public String getDescriptor() {
048        return "MethodInjection";
049    }
050
051}