spring NullValueInNestedPathException 源码
spring NullValueInNestedPathException 代码
文件路径：/spring-beans/src/main/java/org/springframework/beans/NullValueInNestedPathException.java
/*
* Copyright 2002-2016 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
*
* https://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;
/**
* Exception thrown when navigation of a valid nested property
* path encounters a NullPointerException.
*
* <p>For example, navigating "spouse.age" could fail because the
* spouse property of the target object has a null value.
*
* @author Rod Johnson
* @author Juergen Hoeller
*/
@SuppressWarnings("serial")
public class NullValueInNestedPathException extends InvalidPropertyException {
/**
* Create a new NullValueInNestedPathException.
* @param beanClass the offending bean class
* @param propertyName the offending property
*/
public NullValueInNestedPathException(Class<?> beanClass, String propertyName) {
super(beanClass, propertyName, "Value of nested property '" + propertyName + "' is null");
}
/**
* Create a new NullValueInNestedPathException.
* @param beanClass the offending bean class
* @param propertyName the offending property
* @param msg the detail message
*/
public NullValueInNestedPathException(Class<?> beanClass, String propertyName, String msg) {
super(beanClass, propertyName, msg);
}
/**
* Create a new NullValueInNestedPathException.
* @param beanClass the offending bean class
* @param propertyName the offending property
* @param msg the detail message
* @param cause the root cause
* @since 4.3.2
*/
public NullValueInNestedPathException(Class<?> beanClass, String propertyName, String msg, Throwable cause) {
super(beanClass, propertyName, msg, cause);
}
}
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