@Override
public RepeatStatus execute(StepContribution contribution, ChunkContext chunkContext)
throws Exception {
RepeatStatus status = RepeatStatus.CONTINUABLE;
if (chunkContext.getStepContext().getStepExecution().getReadCount() < resources.length) {
// On each iteration we add as an attachment a resource
Resource resource =
resources[chunkContext.getStepContext().getStepExecution().getReadCount()];
helper.addAttachment(resource.getFilename(), resource.getFile());
// We confirm that we read one resource
contribution.incrementReadCount();
} else {
// We send the e-mail on the last iteration
this.mailSender.send(helper.getMimeMessage());
// We confirm the number of attachments
contribution.incrementWriteCount(resources.length);
status = RepeatStatus.FINISHED;
}
return status;
}
/**
* 发送邮件
*
* @param senderTitle 发送人名称,
* @param senderMail 发送人邮箱地址,
* @param userTitles 收件人名称列表,
* @param userMails 收件人邮件地址列表,
* @param mailCCs 抄送列表,
* @param subject 邮件标题,
* @param content 邮件内容,
* @param isHtml 邮件内容是否为HTML格式
* @param fileTable
* @throws MessagingException
* @throws UnsupportedEncodingException
*/
private void send(
String senderTitle,
String senderMail,
String[] userTitles,
String[] userMails,
String[] mailCCs,
String[] mailBCCs,
String subject,
String content,
boolean isHtml,
Hashtable<String, File> fileTable)
throws MessagingException, UnsupportedEncodingException {
/*
* if send mail is disabled, then return from this method.
*/
if (!active) return;
// ------------------------------------------------------------------------------------------------------------------------------------------
MimeMessage message = mailSender.createMimeMessage();
MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(message, true, DEFAULT_ENCODING);
// ------------------------------------------------------------------------------------------------------------------------------------------
if (senderMail != null) {
if (senderTitle != null) {
mimeMessageHelper.setFrom(senderMail, senderTitle);
} else {
mimeMessageHelper.setFrom(senderMail);
}
}
// ------------------------------------------------------------------------------------------------------------------------------------------
if (StringUtil.isEmpty(mailTo)) {
if (userMails != null) {
if (userTitles == null) {
mimeMessageHelper.setTo(userMails);
} else {
for (int i = 0; i < userMails.length; i++) {
if (i > userTitles.length || userTitles.length == 0) {
mimeMessageHelper.addTo(userMails[i]);
} else {
mimeMessageHelper.addTo(userMails[i], userTitles[i]);
}
}
}
}
if (mailCCs != null) mimeMessageHelper.setCc(mailCCs);
if (mailBCCs != null) mimeMessageHelper.setBcc(mailBCCs);
} else {
if (log.isDebugEnabled()) {
log.debug(
"Option 'MailTo' is settled, mail '" + subject + "' will be sent to '" + mailTo + "'.");
}
mimeMessageHelper.addTo(mailTo);
}
// ------------------------------------------------------------------------------------------------------------------------------------------
if (subject != null) mimeMessageHelper.setSubject(subject);
if (content != null) mimeMessageHelper.setText(content, isHtml);
if (fileTable != null) {
Enumeration<String> e = fileTable.keys();
while (e.hasMoreElements()) {
String key = e.nextElement();
File file = fileTable.get(key);
mimeMessageHelper.addAttachment(key, file);
}
}
mailSender.send(mimeMessageHelper.getMimeMessage());
// ------------------------------------------------------------------------------------------------------------------------------------------
message = null;
mimeMessageHelper = null;
}