package com.gustz.dove.api.service.util;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Date;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Properties;
import java.util.Set;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Message;
import javax.mail.Multipart;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* TODO: Mail helper
*
* @author ZHENFENG ZHANG
* @since [Mar 24, 2015]
*/
public class MailHelper {
private static final Logger logger = LoggerFactory.getLogger(MailHelper.class);
// SMTP邮件服务
private static String smtpServer = null;
// 发件人地址
private static String userName = null;
// 发件人密码
private static String password = null;
static class MailHolder {
public static final MailHelper INSTANCE = new MailHelper();
}
private MailHelper() {
// null
}
/**
* Get mail instance
*
* @return this
*/
public static MailHelper getInstance() {
return MailHolder.INSTANCE;
}
/**
* Get mail instance
*
* @param smtpServer
* @param userName
* @param password
* @return this
*/
public static MailHelper getInstance(final String smtpServer, final String userName, final String password) {
MailHelper.smtpServer = smtpServer;
MailHelper.userName = userName;
MailHelper.password = password;
return MailHolder.INSTANCE;
}
private static enum ContentTypeEnum {
HTML {
@Override
public String toString() {
return "text/html;charset=UTF-8"; // HTML格式
}
},
PLAIN {
@Override
public String toString() {
return "text/plain;charset=UTF-8"; // 默认：文本格式
}
};
}
/**
* 发送HTML邮件
*
* @author zzf
* @param mail
* @return
* @throws Exception
*/
public boolean sendHtml(MailBean mail) throws Exception {
return doSend(ContentTypeEnum.HTML, mail);
}
/**
* 发送文本邮件
*
* @param mail
* @return
* @throws Exception
*/
public boolean sendPlain(MailBean mail) throws Exception {
return doSend(ContentTypeEnum.PLAIN, mail);
}
/**
* 发送自定义格式邮件
*
* @param contType
* 内容类型
* @param mail
* @return
* @throws Exception
*/
public boolean doSend(ContentTypeEnum contType, MailBean mail) throws Exception {
long _bt = System.currentTimeMillis();
logger.info("contType=:" + contType + ",mail=:" + mail);
if (mail.getSmtpServer() == null) {
mail.setSmtpServer(smtpServer);
}
if (mail.getUserName() == null) {
mail.setUserName(userName);
}
if (mail.getFromAddr() == null) {
mail.setFromAddr(userName);
}
if (mail.getPassword() == null) {
mail.setPassword(password);
}
if (mail.getContent() == null) {
mail.setContent("");
}
Properties prop = new Properties();
prop.put("mail.smtp.host", mail.getSmtpServer()); // 设置邮件smtp服务器地址
prop.put("mail.smtp.auth", "true"); // 设置服务器smtp需要验证
Transport transport = null;
try {
Session session = Session.getInstance(prop, null);
transport = session.getTransport("smtp");
transport.connect(mail.getSmtpServer(), mail.getUserName(), mail.getPassword());
if (!transport.isConnected()) {
logger.error("SMTP服务器连接失败!");
return false;
}
Message newMessage = new MimeMessage(session);
// 设置发件人的地址
newMessage.setFrom(new InternetAddress(new String(mail.getFromAddr().getBytes("utf-8"), "iso-8859-1")));
// 设置收件人的地址
String toAddr = mail.getToAddr();
if (toAddr != null && !"".equals(toAddr)) {
InternetAddress[] ia = InternetAddress.parse(getToAddrs(toAddr));
newMessage.setRecipients(Message.RecipientType.TO, ia);
}
// 判断是否存在邮件抄送
if (mail.getCcAddr() != null && !"".equals(mail.getCcAddr())) {
InternetAddress[] addresscc = InternetAddress.parse(getToAddrs(mail.getCcAddr()));
newMessage.setRecipients(Message.RecipientType.CC, addresscc);
}
if (mail.getBccAddr() != null && !"".equals(mail.getBccAddr())) {
InternetAddress[] addresscc = InternetAddress.parse(getToAddrs(mail.getBccAddr()));
newMessage.setRecipients(Message.RecipientType.BCC, addresscc);
}
// 设定发送时间
newMessage.setSentDate(new Date());
// 设置邮件，以普通邮件方式发送
newMessage.setDataHandler(new DataHandler(mail.getContent(), contType.toString()));
// 设置邮件优先级
if (mail.getCritical() != null) {
newMessage.addHeader("X-Priority", "1");
}
// 设置mail主题，注意转码
newMessage.setSubject(MimeUtility.encodeText(mail.getSubject(), "utf-8", "B"));
// 设置邮件内容,对邮件发送内容分批进行处理(附件以及内容),没有附件的情况
List<String> attaList = mail.getAttachments();
if (attaList == null) {
attaList = new ArrayList<String>();
}
if (!attaList.isEmpty()) {
Multipart multipart = new MimeMultipart();
// 设置内容，注意转码
String content = new String(mail.getContent().getBytes("utf-8"), "utf-8");
int fileCount = attaList.size();
if (fileCount > 0) {
// 循环所有的附件
for (int i = 0; i < fileCount; i++) {
MimeBodyPart messageBodyPart = new MimeBodyPart();
if (attaList.get(i) == null) {
continue;
}
String attach = MimeUtility.decodeText(attaList.get(i).toString());
FileDataSource source = new FileDataSource(attach);
messageBodyPart.setDataHandler(new DataHandler(source));
messageBodyPart.setFileName(MimeUtility.encodeText(source.getName())); // 文件全路径
multipart.addBodyPart(messageBodyPart);
}
MimeBodyPart messageBodyPart = new MimeBodyPart();
messageBodyPart.setText(content);
messageBodyPart.setContent(content, contType.toString());
multipart.addBodyPart(messageBodyPart);
newMessage.setContent(multipart);
} else {
newMessage.setText(content);
}
}
transport.sendMessage(newMessage, newMessage.getAllRecipients());
newMessage.saveChanges();
logger.info("发送邮件成功！");
} catch (Exception e) {
logger.error("发送自定义格式邮件异常", e);
throw new RuntimeException(e);
} finally {
if (transport != null) {
transport.close();
}
logger.info("耗时：" + (System.currentTimeMillis() - _bt));
}
return true;
}
/**
* Get to address
*
* @param toAddr
* @return
*/
private static String getToAddrs(String toAddr) {
if (StringUtils.isNotEmpty(toAddr)) {
toAddr = toAddr.replace(";", ",");
Set<String> set = new LinkedHashSet<String>(); // 去重
for (String _addr : toAddr.split(",")) {
if (!set.contains(_addr)) {
set.add(_addr);
}
}
return set.toString().replace("[", "").replace("]", "");
}
return null;
}
/**
* 构建邮件
*
* @param subject
* 主题
* @param content
* 内容
* @param toAddr
* 收件地址
* @param ccAddr
* 抄送地址
* @param bccAddr
* 暗送地址
* @param attachments
* 附件
* @return
* @throws Exception
*/
public MailBean buildEmailInfo(String subject, String content, String toAddr, String ccAddr, String bccAddr,
List<String> attachments) throws Exception {
MailBean mail = new MailBean(subject, content, toAddr, ccAddr, bccAddr, attachments);
// 得到统一的执行时间
mail.setFromAddr(userName);
mail.setSmtpServer(smtpServer);
mail.setUserName(userName);
mail.setPassword(password);
return mail;
}
/**
* 填充邮件对象DTO
*
* @param subject
* 主题
* @param content
* 内容
* @param toAddr
* 收件地址
* @param ccAddr
* 抄送地址
* @param attachments
* 附件
* @return
* @throws Exception
*/
public MailBean buildEmailInfo(String subject, String content, String toAddr, String ccAddr, List<String> attachments)
throws Exception {
MailHelper.MailBean mail = new MailBean(subject, content, toAddr, ccAddr, null, attachments);
// 得到统一的执行时间
mail.setFromAddr(userName); // 发件地址
mail.setSmtpServer(smtpServer); // SMTP地址
mail.setUserName(userName); // 发件人
mail.setPassword(password); // 发件邮箱密码
return mail;
}
public class MailBean implements Serializable {
private static final long serialVersionUID = 1L;
// 邮件服务器
private String smtpServer;
// 用户名
private String userName;
// 密码
private String password;
// 主题
private String subject;
// 内容
private String content;
// 邮件紧急
private String critical;
// 邮件任务ID
private String mailTaskId;
// 收件地址
private String toAddr;
// 发件地址
private String fromAddr;
// 抄送地址
private String ccAddr;
// 暗送地址
private String bccAddr;
// 附件
private List<String> attachments = new ArrayList<String>();
public MailBean() {
// null
}
public MailBean(String subject, String content) {
this.subject = subject;
this.content = content;
}
public MailBean(String subject, String content, String toAddr, String ccAddr, String bccAddr) {
this(subject, content);
this.toAddr = toAddr;
this.ccAddr = ccAddr;
this.bccAddr = bccAddr;
}
public MailBean(String subject, String content, String toAddr, String ccAddr, String bccAddr, List<String> attachments) {
this(subject, content, toAddr, ccAddr, bccAddr);
this.attachments = attachments;
}
public String getMailTaskId() {
return mailTaskId;
}
public void setMailTaskId(String mailTaskId) {
this.mailTaskId = mailTaskId;
}
public String getSmtpServer() {
return smtpServer;
}
public void setSmtpServer(String smtpServer) {
this.smtpServer = smtpServer;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getSubject() {
return subject;
}
public void setSubject(String subject) {
this.subject = subject;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
public String getCritical() {
return critical;
}
public void setCritical(String critical) {
this.critical = critical;
}
public List<String> getAttachments() {
return attachments;
}
public void setAttachments(List<String> attachments) {
this.attachments = attachments;
}
public String getToAddr() {
return toAddr;
}
public void setToAddr(String toAddr) {
this.toAddr = toAddr;
}
public String getFromAddr() {
return fromAddr;
}
public void setFromAddr(String fromAddr) {
this.fromAddr = fromAddr;
}
public String getCcAddr() {
return ccAddr;
}
public void setCcAddr(String ccAddr) {
this.ccAddr = ccAddr;
}
public String getBccAddr() {
return bccAddr;
}
public void setBccAddr(String bccAddr) {
this.bccAddr = bccAddr;
}
}
}