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