spring MailSenderAutoConfiguration 源码

  • 2022-08-12
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springboot MailSenderAutoConfiguration 代码

文件路径:/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/mail/MailSenderAutoConfiguration.java

/*
 * Copyright 2012-2022 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.autoconfigure.mail;

import jakarta.activation.MimeType;
import jakarta.mail.internet.MimeMessage;

import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.AnyNestedCondition;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.mail.MailSenderAutoConfiguration.MailSenderCondition;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Import;
import org.springframework.mail.MailSender;

/**
 * {@link EnableAutoConfiguration Auto configuration} for email support.
 *
 * @author Oliver Gierke
 * @author Stephane Nicoll
 * @author Eddú Meléndez
 * @since 1.2.0
 */
@AutoConfiguration
@ConditionalOnClass({ MimeMessage.class, MimeType.class, MailSender.class })
@ConditionalOnMissingBean(MailSender.class)
@Conditional(MailSenderCondition.class)
@EnableConfigurationProperties(MailProperties.class)
@Import({ MailSenderJndiConfiguration.class, MailSenderPropertiesConfiguration.class })
public class MailSenderAutoConfiguration {

	/**
	 * Condition to trigger the creation of a {@link MailSender}. This kicks in if either
	 * the host or jndi name property is set.
	 */
	static class MailSenderCondition extends AnyNestedCondition {

		MailSenderCondition() {
			super(ConfigurationPhase.PARSE_CONFIGURATION);
		}

		@ConditionalOnProperty(prefix = "spring.mail", name = "host")
		static class HostProperty {

		}

		@ConditionalOnProperty(prefix = "spring.mail", name = "jndi-name")
		static class JndiNameProperty {

		}

	}

}

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