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package gxa.sf.rockay;
import java.io.File;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Date;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.Authenticator;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
import javax.mail.SendFailedException;
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 org.htmlparser.Node;
import org.htmlparser.Parser;
import org.htmlparser.tags.ImageTag;
import org.htmlparser.util.ParserException;
/**
* 邮件发送组件,具体的使用方法参照该类的main方法
* @author Rockay(刘其超,刘涛)
*/
public abstract class SendMail extends Authenticator {
public String username = null; // 邮件发送帐号用户名
public String userpasswd = null; // 邮件发送帐号用户口令
public BodyPart messageBodyPart = null;
public Multipart multipart = new MimeMultipart("related");
public MimeMessage mailMessage = null;
public Session mailSession = null;
public Properties mailProperties = System.getProperties();
public InternetAddress mailFromAddress = null;
public InternetAddress mailToAddress = null;
public Authenticator authenticator = null;
public String mailSubject = "";
public Date mailSendDate = null;
/**
* 构造函数
*
* @param smtpHost
* @param username
* @param password
*/
public SendMail(String smtpHost, String username, String password) {
this.username = username;
this.userpasswd = password;
mailProperties.put("mail.smtp.host", smtpHost);
mailProperties.put("mail.smtp.auth", "true"); // 设置smtp认证，很关键的一句
mailSession = Session.getDefaultInstance(mailProperties, this);
mailMessage = new MimeMessage(mailSession);
messageBodyPart = new MimeBodyPart();
}
/**
* 构造一个纯文本邮件发送实例
*
* @param smtpHost
* @param username
* @param password
* @return
*/
public static SendMail getTextMailSender(String smtpHost, String username,
String password) {
return new SendMail(smtpHost, username, password) {
public void setMailContent(String mailContent)
throws MessagingException {
messageBodyPart.setText(mailContent);
multipart.addBodyPart(messageBodyPart);
}
};
}
/**
* 构造一个超文本邮件发送实例
*
* @param smtpHost
* @param username
* @param password
* @return
*/
public static SendMail getHtmlMailSender(String smtpHost, String username,
String password) {
return new SendMail(smtpHost, username, password) {
private ArrayList arrayList1 = new ArrayList();
private ArrayList arrayList2 = new ArrayList();
public void setMailContent(String mailContent)
throws MessagingException {
String htmlContent = getContent("<img src=", mailContent);
messageBodyPart.setContent(htmlContent,
"text/html;charset=GB2312");
multipart.addBodyPart(messageBodyPart);
// 调用处理html文件中的图片方法
processHtmlImage(mailContent);
}
// 处理html页面上的图片方法如下：
private void processHtmlImage(String mailContent)
throws MessagingException {
for (int i = 0; i < arrayList1.size(); i++) {
messageBodyPart = new MimeBodyPart();
DataSource source = new FileDataSource((String) arrayList1
.get(i));
messageBodyPart.setDataHandler(new DataHandler(source));
String contentId = "<" + (String) arrayList2.get(i) + ">";
messageBodyPart.setHeader("Content-ID", contentId);
messageBodyPart.setFileName((String) arrayList1.get(i));
multipart.addBodyPart(messageBodyPart);
}
}
// 处理要发送的html文件，主要是针对html文件中的图片
private String getContent(String searchString, String mailContent) {
try {
Parser parser = Parser.createParser(new String(mailContent
.getBytes(), ISO8859_1));
Node[] images = parser
.extractAllNodesThatAre(ImageTag.class);
for (int i = 0; i < images.length; i++) {
ImageTag imgTag = (ImageTag) images[i];
if (!imgTag.getImageURL().toLowerCase().startsWith(
"http://"))
arrayList1.add(imgTag.getImageURL());
}
} catch (UnsupportedEncodingException e1) {
} catch (ParserException e) {
}
String afterReplaceStr = mailContent;
// 在html文件中用"cid:"+Content-ID来替换原来的图片链接
for (int m = 0; m < arrayList1.size(); m++) {
arrayList2.add(createRandomStr());
String addString = "cid:" + (String) arrayList2.get(m);
afterReplaceStr = mailContent.replaceAll(
(String) arrayList1.get(m), addString);
}
return afterReplaceStr;
}
// 产生一个随机字符串，为了给图片设定Content-ID值
private String createRandomStr() {
char[] randomChar = new char[8];
for (int i = 0; i < 8; i++) {
randomChar[i] = (char) (Math.random() * 26 + 'a');
}
String replaceStr = new String(randomChar);
return replaceStr;
}
private final static String ISO8859_1 = "8859_1";
};
}
/**
* 用于实现邮件发送用户验证
*
* @see javax.mail.Authenticator#getPasswordAuthentication
*/
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, userpasswd);
}
/**
* 设置邮件标题
*
* @param mailSubject
* @throws MessagingException
*/
public void setSubject(String mailSubject) throws MessagingException {
this.mailSubject = mailSubject;
mailMessage.setSubject(mailSubject);
}
/**
* 所有子类都需要实现的抽象方法，为了支持不同的邮件类型
*
* @param mailContent
* @throws MessagingException
*/
public abstract void setMailContent(String mailContent)
throws MessagingException;
/**
* 设置邮件发送日期
*
* @param sendDate
* @throws MessagingException
*/
public void setSendDate(Date sendDate) throws MessagingException {
this.mailSendDate = sendDate;
mailMessage.setSentDate(sendDate);
}
/**
* 设置邮件发送附件
*
* @param attachmentName
* @throws MessagingException
*/
public void setAttachments(String attachmentName) throws MessagingException {
messageBodyPart = new MimeBodyPart();
DataSource source = new FileDataSource(attachmentName);
messageBodyPart.setDataHandler(new DataHandler(source));
int index = attachmentName.lastIndexOf(File.separator);
String attachmentRealName = attachmentName.substring(index + 1);
messageBodyPart.setFileName(attachmentRealName);
multipart.addBodyPart(messageBodyPart);
}
/**
* 设置发件人地址
*
* @param mailFrom
* @throws MessagingException
*/
public void setMailFrom(String mailFrom) throws MessagingException {
mailFromAddress = new InternetAddress(mailFrom);
mailMessage.setFrom(mailFromAddress);
}
/**
* 设置收件人地址，收件人类型为to,cc,bcc(大小写不限)
*
* @param mailTo
* 邮件接收者地址
* @param mailType
* 值为to,cc,bcc
* @author Liudong
*/
public void setMailTo(String[] mailTo, String mailType) throws Exception {
for (int i = 0; i < mailTo.length; i++) {
mailToAddress = new InternetAddress(mailTo[i]);
if (mailType.equalsIgnoreCase("to")) {
mailMessage.addRecipient(Message.RecipientType.TO,
mailToAddress);
} else if (mailType.equalsIgnoreCase("cc")) {
mailMessage.addRecipient(Message.RecipientType.CC,
mailToAddress);
} else if (mailType.equalsIgnoreCase("bcc")) {
mailMessage.addRecipient(Message.RecipientType.BCC,
mailToAddress);
} else {
throw new Exception("Unknown mailType: " + mailType + "!");
}
}
}
/**
* 开始发送邮件
*
* @throws MessagingException
* @throws SendFailedException
*/
public void sendMail() throws MessagingException, SendFailedException {
if (mailToAddress == null)
throw new MessagingException("请你必须你填写收件人地址！");
mailMessage.setContent(multipart);
Transport.send(mailMessage);
}
}
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