spring-batch SimpleMailMessageItemWriterBuilder 源码
spring-batch SimpleMailMessageItemWriterBuilder 代码
文件路径：/spring-batch-infrastructure/src/main/java/org/springframework/batch/item/mail/builder/SimpleMailMessageItemWriterBuilder.java
/*
* Copyright 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.batch.item.mail.builder;
import java.util.List;
import org.springframework.batch.item.mail.DefaultMailErrorHandler;
import org.springframework.batch.item.mail.MailErrorHandler;
import org.springframework.batch.item.mail.SimpleMailMessageItemWriter;
import org.springframework.mail.MailSender;
import org.springframework.util.Assert;
/**
* Creates a fully qualified SimpleMailMessageItemWriter.
*
* @author Glenn Renfro
* @since 4.0
*/
public class SimpleMailMessageItemWriterBuilder {
private MailSender mailSender;
private MailErrorHandler mailErrorHandler = new DefaultMailErrorHandler();
/**
* A {@link MailSender} to be used to send messages in
* {@link SimpleMailMessageItemWriter#write(List)}.
* @param mailSender strategy for sending simple mails.
* @return this instance for method chaining.
* @see SimpleMailMessageItemWriter#setMailSender(MailSender)
*/
public SimpleMailMessageItemWriterBuilder mailSender(MailSender mailSender) {
this.mailSender = mailSender;
return this;
}
/**
* The handler for failed messages. Defaults to a {@link DefaultMailErrorHandler}.
* @param mailErrorHandler the mail error handler to set.
* @return this instance for method chaining.
* @see SimpleMailMessageItemWriter#setMailErrorHandler(MailErrorHandler)
*/
public SimpleMailMessageItemWriterBuilder mailErrorHandler(MailErrorHandler mailErrorHandler) {
this.mailErrorHandler = mailErrorHandler;
return this;
}
/**
* Returns a fully constructed {@link SimpleMailMessageItemWriter}.
* @return a new {@link SimpleMailMessageItemWriter}
*/
public SimpleMailMessageItemWriter build() {
Assert.notNull(this.mailSender, "A mailSender is required");
SimpleMailMessageItemWriter writer = new SimpleMailMessageItemWriter();
writer.setMailSender(this.mailSender);
if (mailErrorHandler != null) {
writer.setMailErrorHandler(this.mailErrorHandler);
}
return writer;
}
}
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