1 /* 2 * Copyright 2002-2012 the original author or authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package org.springframework.beans.factory.annotation; 18 19 import org.springframework.beans.factory.support.GenericBeanDefinition; 20 import org.springframework.core.type.AnnotationMetadata; 21 import org.springframework.core.type.StandardAnnotationMetadata; 22 import org.springframework.util.Assert; 23 24 /** 25 * Extension of the {@link org.springframework.beans.factory.support.GenericBeanDefinition} 26 * class, adding support for annotation metadata exposed through the 27 * {@link AnnotatedBeanDefinition} interface. 28 * 29 * <p>This GenericBeanDefinition variant is mainly useful for testing code that expects 30 * to operate on an AnnotatedBeanDefinition, for example strategy implementations 31 * in Spring's component scanning support (where the default definition class is 32 * {@link org.springframework.context.annotation.ScannedGenericBeanDefinition}, 33 * which also implements the AnnotatedBeanDefinition interface). 34 * 35 * @author Juergen Hoeller 36 * @author Chris Beams 37 * @since 2.5 38 * @see AnnotatedBeanDefinition#getMetadata() 39 * @see org.springframework.core.type.StandardAnnotationMetadata 40 */ 41 @SuppressWarnings("serial") 42 public class AnnotatedGenericBeanDefinition extends GenericBeanDefinition implements AnnotatedBeanDefinition { 43 44 private final AnnotationMetadata metadata; 45 46 47 /** 48 * Create a new AnnotatedGenericBeanDefinition for the given bean class. 49 * @param beanClass the loaded bean class 50 */ AnnotatedGenericBeanDefinition(Class<?> beanClass)51 public AnnotatedGenericBeanDefinition(Class<?> beanClass) { 52 setBeanClass(beanClass); 53 this.metadata = new StandardAnnotationMetadata(beanClass, true); 54 } 55 56 /** 57 * Create a new AnnotatedGenericBeanDefinition for the given annotation metadata, 58 * allowing for ASM-based processing and avoidance of early loading of the bean class. 59 * Note that this constructor is functionally equivalent to 60 * {@link org.springframework.context.annotation.ScannedGenericBeanDefinition 61 * ScannedGenericBeanDefinition}, however the semantics of the latter indicate that 62 * a bean was discovered specifically via component-scanning as opposed to other 63 * means. 64 * @param metadata the annotation metadata for the bean class in question 65 * @since 3.1.1 66 */ AnnotatedGenericBeanDefinition(AnnotationMetadata metadata)67 public AnnotatedGenericBeanDefinition(AnnotationMetadata metadata) { 68 Assert.notNull(metadata, "AnnotationMetadata must not be null"); 69 setBeanClassName(metadata.getClassName()); 70 this.metadata = metadata; 71 } 72 73 getMetadata()74 public final AnnotationMetadata getMetadata() { 75 return this.metadata; 76 } 77 78 } 79