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Introduced NoUniqueBeanDefinitionException as a dedicated subclass of…
… NoSuchBeanDefinitionException Issue: SPR-10194
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79 changes: 79 additions & 0 deletions
79
...eans/src/main/java/org/springframework/beans/factory/NoUniqueBeanDefinitionException.java
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| /* | ||
| * Copyright 2002-2013 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. | ||
| */ | ||
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| package org.springframework.beans.factory; | ||
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| import java.util.Arrays; | ||
| import java.util.Collection; | ||
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| import org.springframework.util.StringUtils; | ||
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| /** | ||
| * Exception thrown when a {@code BeanFactory} is asked for a bean instance for which | ||
| * multiple matching candidates have been found when only one matching bean was expected. | ||
| * | ||
| * @author Juergen Hoeller | ||
| * @since 3.2.1 | ||
| * @see BeanFactory#getBean(Class) | ||
| */ | ||
| @SuppressWarnings("serial") | ||
| public class NoUniqueBeanDefinitionException extends NoSuchBeanDefinitionException { | ||
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| private int numberOfBeansFound; | ||
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| /** | ||
| * Create a new {@code NoUniqueBeanDefinitionException}. | ||
| * @param type required type of the non-unique bean | ||
| * @param numberOfBeansFound the number of matching beans | ||
| * @param message detailed message describing the problem | ||
| */ | ||
| public NoUniqueBeanDefinitionException(Class<?> type, int numberOfBeansFound, String message) { | ||
| super(type, message); | ||
| this.numberOfBeansFound = numberOfBeansFound; | ||
| } | ||
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| /** | ||
| * Create a new {@code NoUniqueBeanDefinitionException}. | ||
| * @param type required type of the non-unique bean | ||
| * @param beanNamesFound the names of all matching beans (as a Collection) | ||
| */ | ||
| public NoUniqueBeanDefinitionException(Class<?> type, Collection<String> beanNamesFound) { | ||
| this(type, beanNamesFound.size(), "expected single matching bean but found " + beanNamesFound.size() + ": " + | ||
| StringUtils.collectionToCommaDelimitedString(beanNamesFound)); | ||
| } | ||
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| /** | ||
| * Create a new {@code NoUniqueBeanDefinitionException}. | ||
| * @param type required type of the non-unique bean | ||
| * @param beanNamesFound the names of all matching beans (as an array) | ||
| */ | ||
| public NoUniqueBeanDefinitionException(Class<?> type, String... beanNamesFound) { | ||
| this(type, Arrays.asList(beanNamesFound)); | ||
| } | ||
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| /** | ||
| * Return the number of beans found when only one matching bean was expected. | ||
| * For a NoUniqueBeanDefinitionException, this will usually be higher than 1. | ||
| * @see #getBeanType() | ||
| */ | ||
| @Override | ||
| public int getNumberOfBeansFound() { | ||
| return this.numberOfBeansFound; | ||
| } | ||
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| } |
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