package book.email;

import java.io.File;
import java.util.Date;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.BodyPart;
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;

/**
 * 發送帶附件的郵件
 */
public class AttachmentMailSender {

	public static boolean sendMail(MailSenderInfo mailInfo) {
		// 判斷是否需要身份認證
		MyAuthenticator authenticator = null;
		if (mailInfo.isValidate()) {
			// 如果需要身份認證，則創建一個密碼驗證器
			authenticator = new MyAuthenticator(mailInfo.getUserName(),
					mailInfo.getPassword());
		}
		// 根據郵件發送的屬性和密碼驗證器構造一個發送郵件的session
		Session sendMailSession = Session.getInstance(mailInfo
				.getProperties(), authenticator);
		try {
			// 根據session創建一個郵件消息
			Message mailMessage = new MimeMessage(sendMailSession);
			// 創建郵件發送者地址
			Address from = new InternetAddress(mailInfo.getFromAddress());
			// 設置郵件消息的發送者
			mailMessage.setFrom(from);
			// 創建郵件的接收者地址，并設置到郵件消息中
			Address to = new InternetAddress(mailInfo.getToAddress());
			mailMessage.setRecipient(Message.RecipientType.TO,to);
			// 設置郵件消息的主題
			mailMessage.setSubject(mailInfo.getSubject());
			// 設置郵件消息發送的時間
			mailMessage.setSentDate(new Date());
			
			// MiniMultipart類是一個容器類，包含MimeBodyPart類型的對象
			Multipart mainPart = new MimeMultipart();
			// 創建一個包含HTML內容的MimeBodyPart
			BodyPart html = new MimeBodyPart();
			// 設置HTML內容
			html.setContent(mailInfo.getContent(), "text/html; charset=GBK");
			mainPart.addBodyPart(html);
			// 為郵件添加附件
			String[] attachFileNames = mailInfo.getAttachFileNames();
			if (attachFileNames != null && attachFileNames.length > 0) {
				// 存放郵件附件的MimeBodyPart
				MimeBodyPart attachment = null;
				File file = null;
				for (int i = 0; i < attachFileNames.length; i++) {
					attachment = new MimeBodyPart();
					// 根據附件文件創建文件數據源
					file = new File(attachFileNames[i]);
					FileDataSource fds = new FileDataSource(file);
					attachment.setDataHandler(new DataHandler(fds));
					// 為附件設置文件名
					attachment.setFileName(MimeUtility.encodeWord(file.getName(), "GBK",
							null));
					mainPart.addBodyPart(attachment);
				}
			}
			// 將MiniMultipart對象設置為郵件內容
			mailMessage.setContent(mainPart);
			// 發送郵件
			Transport.send(mailMessage);
			return true;
			
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}
	
	public static void main(String[] args) {
		// 創建郵件信息
		MailSenderInfo mailInfo = new MailSenderInfo();
		mailInfo.setMailServerHost("smtp.sina.com.cn");
		mailInfo.setMailServerPort("25");
		mailInfo.setValidate(true);
		mailInfo.setUserName("***");
		mailInfo.setPassword("***");
		mailInfo.setFromAddress("***@sina.com");
		mailInfo.setToAddress("***@163.com");
		mailInfo.setSubject("MyMail測試");
		mailInfo.setContent("我的郵件測試\n\rMy test mail\n\r");

		String[] fileNames = new String[3];
		fileNames[0] = "C:/temp/new.txt";
		fileNames[1] = "C:/temp/test.wav";
		fileNames[2] = "C:/temp/mary_photo.jpg";
		mailInfo.setAttachFileNames(fileNames);
		
		AttachmentMailSender.sendMail(mailInfo);
	}
}