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     *****************************************************************************/
010    package org.picocontainer.injectors;
011    
012    import org.picocontainer.ComponentMonitor;
013    import org.picocontainer.Parameter;
014    
015    import java.lang.annotation.Annotation;
016    import java.lang.reflect.AccessibleObject;
017    import java.lang.reflect.InvocationTargetException;
018    import java.lang.reflect.Method;
019    
020    @SuppressWarnings("serial")
021    public 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, "", 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    }