/* * Copyright 2002-2018 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springframework.beans.factory.support; import org.springframework.beans.factory.BeanDefinitionStoreException; import org.springframework.beans.factory.config.BeanDefinition; import org.springframework.lang.NonNull; /** * Subclass of {@link BeanDefinitionStoreException} indicating an invalid override * attempt: typically registering a new definition for the same bean name while * {@link DefaultListableBeanFactory#isAllowBeanDefinitionOverriding()} is {@code false}. * * @author Juergen Hoeller * @since 5.1 * @see DefaultListableBeanFactory#setAllowBeanDefinitionOverriding * @see DefaultListableBeanFactory#registerBeanDefinition */ public class BeanDefinitionOverrideException extends BeanDefinitionStoreException { private final BeanDefinition beanDefinition; private final BeanDefinition existingDefinition; /** * Create a new BeanDefinitionOverrideException for the given new and existing definition. * @param beanName the name of the bean * @param beanDefinition the newly registered bean definition * @param existingDefinition the existing bean definition for the same name */ public BeanDefinitionOverrideException( String beanName, BeanDefinition beanDefinition, BeanDefinition existingDefinition) { super(beanDefinition.getResourceDescription(), beanName, "Cannot register bean definition [" + beanDefinition + "] for bean '" + beanName + "': There is already [" + existingDefinition + "] bound."); this.beanDefinition = beanDefinition; this.existingDefinition = existingDefinition; } /** * Return the description of the resource that the bean definition came from. */ @Override @NonNull public String getResourceDescription() { return String.valueOf(super.getResourceDescription()); } /** * Return the name of the bean. */ @Override @NonNull public String getBeanName() { return String.valueOf(super.getBeanName()); } /** * Return the newly registered bean definition. * @see #getBeanName() */ public BeanDefinition getBeanDefinition() { return this.beanDefinition; } /** * Return the existing bean definition for the same name. * @see #getBeanName() */ public BeanDefinition getExistingDefinition() { return this.existingDefinition; } }