package message.email;
import message.base.utils.ApplicationHelper;
import message.utils.StringUtils;
import message.utils.ValidateUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.*;
import javax.mail.internet.*;
import java.io.File;
import java.io.UnsupportedEncodingException;
import java.util.*;
/**
* 发送邮件服务器.
*
* @author sunhao(sunhao.java@gmail.com)
* @version V1.0, 13-3-25 上午6:19
*/
public class EmailServer {
private static final Logger logger = LoggerFactory.getLogger(EmailServer.class);
//spring中配置
/**
* 邮箱服务器配置*
*/
private static List<EmailConfig> configs = new ArrayList<EmailConfig>();
/**
* 是否开启debug调试模式*
*/
private boolean isDebug = false;
/**
* 是否启用身份验证*
*/
private boolean isAuth = true;
/**
* 验证类型*
*/
private String authType = "auth";
/**
* 是否初始化
*/
private static boolean isInit = false;
private static EmailServer emailServer;
/**
* 私有化默认构造器,使外部不可实例化
*/
private EmailServer(boolean isAuth, boolean isDebug) {
this.isAuth = isAuth;
this.isDebug = isDebug;
}
/**
* 单例,保证上下文中只有一个EmailServer
*
* @return EmailServer
*/
public static EmailServer getInstance() {
if (!isInit) {
Map<String, EmailConfig> configsInContext = ApplicationHelper.getInstance().getBeansByType(EmailConfig.class);
configs.addAll(configsInContext.values());
isInit = true;
}
if (emailServer == null)
emailServer = new EmailServer(true, false);
return emailServer;
}
/**
* 发送普通邮件(单个接收人)
*
* @param username 发件人用户名
* @param password 发件人密码
* @param title 邮件标题
* @param content 邮件正文
* @param receiver 单个接收人
* @return
*/
public boolean sendTextMail(String username, String password, String title, String content, String receiver) {
return this.sendTextMail(username, password, title, content, Collections.singletonList(receiver));
}
/**
* 发送普通邮件(多个接收人)
*
* @param username 发件人用户名
* @param password 发件人密码
* @param title 邮件标题
* @param content 邮件正文
* @param receivers 多个接收人
* @return
*/
public boolean sendTextMail(String username, String password, String title, String content, List<String> receivers) {
return this.sendMail(username, password, title, content, receivers, false, null);
}
/**
* 发送HTML邮件(单个接收人)
*
* @param username 发件人用户名
* @param password 发件人密码
* @param title 邮件标题
* @param content 邮件正文
* @param receiver 单个接收人
* @return
*/
public boolean sendHtmlMail(String username, String password, String title, String content, String receiver) {
return this.sendHtmlMail(username, password, title, content, Collections.singletonList(receiver));
}
/**
* 发送HTML邮件(多个接收人)
*
* @param username 发件人用户名
* @param password 发件人密码
* @param title 邮件标题
* @param content 邮件正文
* @param receivers 多个接收人
* @return
*/
public boolean sendHtmlMail(String username, String password, String title, String content, List<String> receivers) {
return this.sendMail(username, password, title, content, receivers, true, null);
}
/**
* 发送有附件的邮件
*
* @param username 发件人用户名
* @param password 发件人密码
* @param title 邮件标题
* @param content 邮件正文
* @param receivers 多个接收人
* @param files 要发送的附件
* @return
*/
public boolean sendAttachmentMail(String username, String password, String title, String content, List<String> receivers, List<File> files) {
return this.sendMail(username, password, title, content, receivers, true, files);
}
/**
* 发送有附件的邮件
*
* @param username 发件人用户名
* @param password 发件人密码
* @param title 邮件标题
* @param content 邮件正文
* @param receiver 接收人
* @param files 要发送的附件
* @return
*/
public boolean sendAttachmentMail(String username, String password, String title, String content, String receiver, List<File> files) {
return this.sendAttachmentMail(username, password, title, content, Collections.singletonList(receiver), files);
}
/**
* 发送有附件的邮件
*
* @param username 发件人用户名
* @param password 发件人密码
* @param title 邮件标题
* @param content 邮件正文
* @param receiver 接收人
* @param file 要发送的附件
* @return
*/
public boolean sendAttachmentMail(String username, String password, String title, String content, String receiver, File file) {
return this.sendAttachmentMail(username, password, title, content, Collections.singletonList(receiver), Collections.singletonList(file));
}
/**
* 发送有附件的邮件
*
* @param username 发件人用户名
* @param password 发件人密码
* @param title 邮件标题
* @param content 邮件正文
* @param receivers 多个接收人
* @param fileNames 要发送的附件
* @return
*/
public boolean sendAttachmentMail(String username, String password, String title, List<String> fileNames, String content, List<String> receivers) {
List<File> fs = new ArrayList<File>();
for (String fn : fileNames) {
File f = new File(fn);
if (f.exists() && f.canRead())
fs.add(f);
}
return this.sendAttachmentMail(username, password, title, content, receivers, fs);
}
/**
* 发送有附件的邮件
*
* @param username 发件人用户名
* @param password 发件人密码
* @param title 邮件标题
* @param content 邮件正文
* @param receivers 多个接收人
* @param fileName 要发送的附件
* @return
*/
public boolean sendAttachmentMail(String username, String password, String title, String content, List<String> receivers, String fileName) {
return this.sendAttachmentMail(username, password, title, Collections.singletonList(fileName), content, receivers);
}
/**
* 发送有附件的邮件
*
* @param username 发件人用户名
* @param password 发件人密码
* @param title 邮件标题
* @param content 邮件正文
* @param receiver 多个接收人
* @param fileName 要发送的附件
* @return
*/
public boolean sendAttachmentMail(String username, String password, String title, String content, String receiver, String fileName) {
return this.sendAttachmentMail(username, password, title, Collections.singletonList(fileName), content, Collections.singletonList(receiver));
}
/**
* 发送邮件(多个接收人)(可以指定是否是html邮件)
*
* @param username 发件人用户名
* @param password 发件人密码
* @param title 邮件标题
* @param content 邮件正文
* @param receivers 多个接收人
* @param isHtmlMail 是否是html邮件
* @param files 要发送的附件
* @return
*/
private boolean sendMail(String username, String password, String title, String content, List<String> receivers, boolean isHtmlMail, List<File> files) {
Authentication auth = null;
if (this.isAuth) {
//如果需要身份认证，则创建一个密码验证器
auth = new Authentication(username, password);
}
Properties props = new Properties();
props.setProperty("mail.smtp.auth", this.isAuth ? "true" : "false");
props.setProperty("mail.transport.protocol", "auth");
EmailConfig config = this.getEmailConfig(username);
props.setProperty("mail.smtp.host", config.getSmtp());
props.setProperty("mail.smtp.port", config.getPort() + "");
// 根据邮件会话属性和密码验证器构造一个发送邮件的session
Session session = Session.getDefaultInstance(props, auth);
session.setDebug(this.isDebug);
Message message = null;
if (files == null || files.isEmpty()) {
//非发送附件
message = this.makeSimpleMail(session, title, content, username, receivers, isHtmlMail);
} else {
//发送附件
message = this.makeAttachmentMail(session, title, content, username, receivers, files);
}
try {
Transport.send(message);
return true;
} catch (MessagingException e) {
logger.error(e.getMessage(), e);
return false;
}
}
/**
* 获取邮件服务器配置
*
* @param email 邮箱地址
* @return
*/
private EmailConfig getEmailConfig(String email) {
String mailServiceDomainName = this.getMailServiceDomainName(email);
for (EmailConfig config : configs) {
if (config.getName().equals(mailServiceDomainName)) {
return config;
}
}
return null;
}
/**
* 创建邮件message(无附件)
*
* @param session 根据配置获得的session
* @param title 邮件主题
* @param content 邮件的内容
* @param from 发件者
* @param receivers 收件者
* @param isHtmlMail 是否是html邮件
*/
private Message makeSimpleMail(Session session, String title, String content, String from, List<String> receivers, boolean isHtmlMail) {
Message message = new MimeMessage(session);
try {
/**标题**/
logger.info("this mail's title is {}", title);
message.setSubject(title);
/**内容**/
logger.info("this mail's content is {}", content);
if (isHtmlMail) {
//是html邮件
message.setContent(content, "text/html;charset=utf-8");
} else {
//普通邮件
message.setText(content);
}
/**发件者地址**/
logger.info("this mail's sender is {}", from);
Address fromAddress = new InternetAddress(from);
message.setFrom(fromAddress);
/**接收者地址**/
Address[] tos = new InternetAddress[receivers.size()];
for (int i = 0; i < receivers.size(); i++) {
String receiver = receivers.get(i);
if (ValidateUtils.isEmail(receiver)) {
tos[i] = new InternetAddress(receiver);
}
}
/**发件时间**/
message.setSentDate(new Date());
message.setRecipients(Message.RecipientType.TO, tos);
} catch (MessagingException e) {
logger.error(e.getMessage(), e);
e.printStackTrace();
}
return message;
}
/**
* 创建邮件message(有附件)
*
* @param session 根据配置获得的session
* @param title 邮件主题
* @param content 邮件的内容
* @param from 发件者
* @param receivers 收件者
* @param files 附件
*/
private Message makeAttachmentMail(Session session, String title, String content, String from, List<String> receivers, List<File> files) {
Message message = new MimeMessage(session);
try {
/**标题**/
logger.info("this mail's title is {}", title);
message.setSubject(title);
/**内容**/
logger.info("this mail's content is {}", content);
Multipart multipart = new MimeMultipart();
MimeBodyPart mimeBodyPart = new MimeBodyPart();
mimeBodyPart.setContent(content, "text/html;charset=utf-8");
multipart.addBodyPart(mimeBodyPart);
if (files != null && !files.isEmpty()) {
//存在附件
for (Iterator<File> it = files.iterator(); it.hasNext(); ) {
mimeBodyPart = new MimeBodyPart();
File attachment = it.next();
//得到数据源
FileDataSource fds = new FileDataSource(attachment);
//得到附件本身并至入BodyPart
mimeBodyPart.setDataHandler(new DataHandler(fds));
//得到文件名同样至入BodyPart(附件名乱码解决方案MimeUtility.encodeText(name))
mimeBodyPart.setFileName(MimeUtility.encodeText(attachment.getName()));
multipart.addBodyPart(mimeBodyPart);
}
}
message.setContent(multipart);
/**发件者地址**/
logger.info("this mail's sender is {}", from);
Address fromAddress = new InternetAddress(from);
message.setFrom(fromAddress);
/**接收者地址**/
Address[] tos = new InternetAddress[receivers.size()];
for (int i = 0; i < receivers.size(); i++) {
String receiver = receivers.get(i);
if (ValidateUtils.isEmail(receiver)) {
tos[i] = new InternetAddress(receiver);
}
}
/**发件时间**/
message.setSentDate(new Date());
message.setRecipients(Message.RecipientType.TO, tos);
} catch (MessagingException e) {
logger.error(e.getMessage(), e);
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return message;
}
/**
* 获取邮箱域名
*
* @param email 邮箱
* @return
*/
private String getMailServiceDomainName(String email) {
if (StringUtils.isEmpty(email)) {
return "";
} else {
int firstIndex = StringUtils.indexOf(email, "@");
int secondIndex = StringUtils.lastIndexOf(email, ".");
return StringUtils.substring(email, firstIndex + 1, secondIndex);
}
}
public String getAuthType() {
return authType;
}
public void setAuthType(String authType) {
this.authType = authType;
}
}