spring ConfigurationPropertiesBindException 源码

  • 2022-08-12
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springboot ConfigurationPropertiesBindException 代码

文件路径:/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/ConfigurationPropertiesBindException.java

/*
 * Copyright 2012-2019 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.boot.context.properties;

import org.springframework.beans.factory.BeanCreationException;
import org.springframework.util.ClassUtils;

/**
 * Exception thrown when {@link ConfigurationProperties @ConfigurationProperties} binding
 * fails.
 *
 * @author Phillip Webb
 * @author Stephane Nicoll
 * @since 2.0.0
 */
public class ConfigurationPropertiesBindException extends BeanCreationException {

	private final ConfigurationPropertiesBean bean;

	ConfigurationPropertiesBindException(ConfigurationPropertiesBean bean, Exception cause) {
		super(bean.getName(), getMessage(bean), cause);
		this.bean = bean;
	}

	/**
	 * Return the bean type that was being bound.
	 * @return the bean type
	 */
	public Class<?> getBeanType() {
		return this.bean.getType();
	}

	/**
	 * Return the configuration properties annotation that triggered the binding.
	 * @return the configuration properties annotation
	 */
	public ConfigurationProperties getAnnotation() {
		return this.bean.getAnnotation();
	}

	private static String getMessage(ConfigurationPropertiesBean bean) {
		ConfigurationProperties annotation = bean.getAnnotation();
		StringBuilder message = new StringBuilder();
		message.append("Could not bind properties to '");
		message.append(ClassUtils.getShortName(bean.getType())).append("' : ");
		message.append("prefix=").append(annotation.prefix());
		message.append(", ignoreInvalidFields=").append(annotation.ignoreInvalidFields());
		message.append(", ignoreUnknownFields=").append(annotation.ignoreUnknownFields());
		return message.toString();
	}

}

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