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1   /*
2    * Copyright 2006-2007 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  package org.springframework.batch.core.configuration.xml;
17  
18  import org.springframework.beans.PropertyValue;
19  import org.springframework.beans.factory.BeanFactory;
20  import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
21  
22  /**
23   * @author Dan Garrette
24   * @since 2.0.1
25   */
26  public class BeanDefinitionUtils {
27  
28  	/**
29  	 * @param beanName a bean definition name
30  	 * @param propertyName the name of the property
31  	 * @param beanFactory a {@link BeanFactory}
32  	 * @return The {@link PropertyValue} for the property of the bean. Search
33  	 *         parent hierarchy if necessary. Return null if none is found.
34  	 */
35  	public static PropertyValue getPropertyValue(String beanName, String propertyName, ConfigurableListableBeanFactory beanFactory) {
36  		return beanFactory.getMergedBeanDefinition(beanName).getPropertyValues().getPropertyValue(propertyName);
37  	}
38  
39  	/**
40  	 * @param beanName a bean definition name
41  	 * @param attributeName the name of the property
42  	 * @param beanFactory a {@link BeanFactory}
43  	 * @return The value for the attribute of the bean. Search parent hierarchy
44  	 *         if necessary. Return null if none is found.
45  	 */
46  	public static Object getAttribute(String beanName, String attributeName, ConfigurableListableBeanFactory beanFactory) {
47  		return beanFactory.getMergedBeanDefinition(beanName).getAttribute(attributeName);
48  	}
49  }