001/*
002 * (C) Copyright 2013 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     dmetzler
018 */
019package org.nuxeo.runtime.mockito;
020
021import java.lang.annotation.Annotation;
022import java.lang.reflect.Field;
023import java.util.HashMap;
024import java.util.Map;
025
026import org.mockito.Captor;
027import org.mockito.Mock;
028import org.mockito.MockitoAnnotations;
029import org.mockito.exceptions.Reporter;
030import org.mockito.internal.configuration.CaptorAnnotationProcessor;
031import org.mockito.internal.configuration.DefaultAnnotationEngine;
032import org.mockito.internal.configuration.FieldAnnotationProcessor;
033import org.mockito.internal.configuration.MockitoAnnotationsMockAnnotationProcessor;
034
035/**
036 * Unfortunately, since there are some private methos in the Mockito DefaultAnnotationEngine we have to copy/paste some
037 * original code to insert our own logic.
038 *
039 * @since 5.7.8
040 */
041public class NuxeoDefaultAnnotationEngine extends DefaultAnnotationEngine {
042
043    private final Map<Class<? extends Annotation>, FieldAnnotationProcessor<?>> annotationProcessorMap = new HashMap<Class<? extends Annotation>, FieldAnnotationProcessor<?>>();
044
045    public NuxeoDefaultAnnotationEngine() {
046        registerAnnotationProcessor(Mock.class, new NuxeoServiceMockAnnotationProcessor());
047        registerAnnotationProcessor(MockitoAnnotations.Mock.class, new MockitoAnnotationsMockAnnotationProcessor());
048        registerAnnotationProcessor(Captor.class, new CaptorAnnotationProcessor());
049
050    }
051
052    /*
053     * (non-Javadoc)
054     * @see org.mockito.AnnotationEngine#createMockFor(java.lang.annotation.Annotation , java.lang.reflect.Field)
055     */
056    @Override
057    @SuppressWarnings("deprecation")
058    public Object createMockFor(Annotation annotation, Field field) {
059        return forAnnotation(annotation).process(annotation, field);
060    }
061
062    private <A extends Annotation> FieldAnnotationProcessor<A> forAnnotation(A annotation) {
063        if (annotationProcessorMap.containsKey(annotation.annotationType())) {
064            return (FieldAnnotationProcessor<A>) annotationProcessorMap.get(annotation.annotationType());
065        }
066        return new FieldAnnotationProcessor<A>() {
067            @Override
068            public Object process(A annotation, Field field) {
069                return null;
070            }
071        };
072    }
073
074    private <A extends Annotation> void registerAnnotationProcessor(Class<A> annotationClass,
075            FieldAnnotationProcessor<A> fieldAnnotationProcessor) {
076        annotationProcessorMap.put(annotationClass, fieldAnnotationProcessor);
077    }
078
079    void throwIfAlreadyAssigned(Field field, boolean alreadyAssigned) {
080        if (alreadyAssigned) {
081            new Reporter().moreThanOneAnnotationNotAllowed(field.getName());
082        }
083    }
084}