October 2018
Intermediate to advanced
590 pages
15h 5m
English
Content preview from Building Applications with Spring 5 and Vue.js 2
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Implementing AsyncMailer
AsyncMailer, as its name suggests, sends a message asynchronously. And, as shown in the UML diagram in Figure 10.17, it relies on JavaMailSender to actually send messages. Its implementation looks like the following:
@Componentpublic class AsyncMailer implements Mailer { ... @Async @Override public void send(Message message) { Assert.notNull(message, "Parameter `message` must not be null"); try { SimpleMailMessage mailMessage = new SimpleMailMessage(); if (StringUtils.isNotBlank(message.getFrom())) { mailMessage.setFrom(message.getFrom()); } if (StringUtils.isNotBlank(message.getSubject())) { mailMessage.setSubject(message.getSubject()); } if (StringUtils.isNotEmpty(message.getBody())) { mailMessage.setText(message.getBody()); ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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