spring MissingRequiredPropertiesException 源码
spring MissingRequiredPropertiesException 代码
文件路径：/spring-core/src/main/java/org/springframework/core/env/MissingRequiredPropertiesException.java
/*
* Copyright 2002-2017 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.core.env;
import java.util.LinkedHashSet;
import java.util.Set;
/**
* Exception thrown when required properties are not found.
*
* @author Chris Beams
* @since 3.1
* @see ConfigurablePropertyResolver#setRequiredProperties(String...)
* @see ConfigurablePropertyResolver#validateRequiredProperties()
* @see org.springframework.context.support.AbstractApplicationContext#prepareRefresh()
*/
@SuppressWarnings("serial")
public class MissingRequiredPropertiesException extends IllegalStateException {
private final Set<String> missingRequiredProperties = new LinkedHashSet<>();
void addMissingRequiredProperty(String key) {
this.missingRequiredProperties.add(key);
}
@Override
public String getMessage() {
return "The following properties were declared as required but could not be resolved: " +
getMissingRequiredProperties();
}
/**
* Return the set of properties marked as required but not present
* upon validation.
* @see ConfigurablePropertyResolver#setRequiredProperties(String...)
* @see ConfigurablePropertyResolver#validateRequiredProperties()
*/
public Set<String> getMissingRequiredProperties() {
return this.missingRequiredProperties;
}
}
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