spring MutuallyExclusiveConfigurationPropertiesException 源码

  • 2022-08-12
  • 浏览 (529)

springboot MutuallyExclusiveConfigurationPropertiesException 代码

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

/*
 * Copyright 2012-2021 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.source;

import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
import java.util.function.Consumer;
import java.util.stream.Collectors;

import org.springframework.util.Assert;

/**
 * Exception thrown when more than one mutually exclusive configuration property has been
 * configured.
 *
 * @author Andy Wilkinson
 * @author Phillip Webb
 * @since 2.6.0
 */
@SuppressWarnings("serial")
public class MutuallyExclusiveConfigurationPropertiesException extends RuntimeException {

	private final Set<String> configuredNames;

	private final Set<String> mutuallyExclusiveNames;

	/**
	 * Creates a new instance for mutually exclusive configuration properties when two or
	 * more of those properties have been configured.
	 * @param configuredNames the names of the properties that have been configured
	 * @param mutuallyExclusiveNames the names of the properties that are mutually
	 * exclusive
	 */
	public MutuallyExclusiveConfigurationPropertiesException(Collection<String> configuredNames,
			Collection<String> mutuallyExclusiveNames) {
		this(asSet(configuredNames), asSet(mutuallyExclusiveNames));
	}

	private MutuallyExclusiveConfigurationPropertiesException(Set<String> configuredNames,
			Set<String> mutuallyExclusiveNames) {
		super(buildMessage(mutuallyExclusiveNames, configuredNames));
		this.configuredNames = configuredNames;
		this.mutuallyExclusiveNames = mutuallyExclusiveNames;
	}

	/**
	 * Return the names of the properties that have been configured.
	 * @return the names of the configured properties
	 */
	public Set<String> getConfiguredNames() {
		return this.configuredNames;
	}

	/**
	 * Return the names of the properties that are mutually exclusive.
	 * @return the names of the mutually exclusive properties
	 */
	public Set<String> getMutuallyExclusiveNames() {
		return this.mutuallyExclusiveNames;
	}

	private static Set<String> asSet(Collection<String> collection) {
		return (collection != null) ? new LinkedHashSet<>(collection) : null;
	}

	private static String buildMessage(Set<String> mutuallyExclusiveNames, Set<String> configuredNames) {
		Assert.isTrue(configuredNames != null && configuredNames.size() > 1,
				"ConfiguredNames must contain 2 or more names");
		Assert.isTrue(mutuallyExclusiveNames != null && mutuallyExclusiveNames.size() > 1,
				"MutuallyExclusiveNames must contain 2 or more names");
		return "The configuration properties '" + String.join(", ", mutuallyExclusiveNames)
				+ "' are mutually exclusive and '" + String.join(", ", configuredNames)
				+ "' have been configured together";
	}

	/**
	 * Throw a new {@link MutuallyExclusiveConfigurationPropertiesException} if multiple
	 * non-null values are defined in a set of entries.
	 * @param entries a consumer used to populate the entries to check
	 */
	public static void throwIfMultipleNonNullValuesIn(Consumer<Map<String, Object>> entries) {
		Map<String, Object> map = new LinkedHashMap<>();
		entries.accept(map);
		Set<String> configuredNames = map.entrySet().stream().filter((entry) -> entry.getValue() != null)
				.map(Map.Entry::getKey).collect(Collectors.toCollection(LinkedHashSet::new));
		if (configuredNames.size() > 1) {
			throw new MutuallyExclusiveConfigurationPropertiesException(configuredNames, map.keySet());
		}
	}

}

相关信息

spring 源码目录

相关文章

spring AliasedConfigurationPropertySource 源码

spring AliasedIterableConfigurationPropertySource 源码

spring CachingConfigurationPropertySource 源码

spring ConfigurationProperty 源码

spring ConfigurationPropertyCaching 源码

spring ConfigurationPropertyName 源码

spring ConfigurationPropertyNameAliases 源码

spring ConfigurationPropertySource 源码

spring ConfigurationPropertySources 源码

spring ConfigurationPropertySourcesCaching 源码

0  赞