/*
* JCatalog Project
*/
package com.hexiang.utils;
import
java.util.List;
import
java.util.ArrayList;
import
java.util.Date;
import
java.util.Iterator;
import
java.util.Properties;
import
javax.
mail.Session;
import
javax.
mail.Transport;
import
javax.
mail.Message;
import
javax.
mail.internet.InternetAddress;
import
javax.
mail.internet.MimeMessage;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.hexiang.exception.CatalogException;
/**
* Utility class to send e
mail.
*
* @author <a href="380595305@qq.com">hexiang</a>
*/
public class E
mailUtil {
//the logger for this class
private static Log logger = LogFactory.getLog("com.hexiang.util.E
mailUtil");
/**
* Send e
mail to a single recipient.
*
* @param smtpHost the SMTP e
mail server address
* @param senderAddress the sender e
mail address
* @param senderName the sender name
* @param receiverAddress the recipient e
mail address
* @param sub the subject of the e
mail
* @param msg the message content of the e
mail
*/
public static void sendE
mail(String smtpHost, String senderAddress, String senderName,
String receiverAddress, String sub, String msg) throws CatalogException {
List<String> recipients = new ArrayList<String>();
recipients.add(receiverAddress);
sendE
mail(smtpHost, senderAddress, senderName, recipients, sub, msg);
}
/**
* Send e
mail to a list of recipients.
*
* @param smtpHost the SMTP e
mail server address
* @param senderAddress the sender e
mail address
* @param senderName the sender name
* @param recipients a list of receipients e
mail addresses
* @param sub the subject of the e
mail
* @param msg the message content of the e
mail
*/
public static void sendE
mail(String smtpHost, String senderAddress, String senderName,
List<String> recipients, String sub, String msg) throws CatalogException {
if (smtpHost == null) {
String errMsg = "Could not send e
mail: smtp host address is null";
logger.error(errMsg);
throw new CatalogException(errMsg);
}
try {
Properties props = System.getProperties();
props.put("
mail.smtp.host", smtpHost);
Session session = Session.getDefaultInstance(props, null );
MimeMessage message = new MimeMessage( session );
message.addHeader("Content
-type", "text/plain");
message.setSubject(sub);
message.setFrom(new InternetAddress(senderAddress, senderName));
for (Iterator<String> it = recipients.iterator(); it.hasNext();) {
String e
mail = (String)it.next();
message.addRecipients(Message.RecipientType.TO, e
mail);
}
message.setText(msg);
message.setSentDate( new Date() );
Transport.send(message);
} catch (Exception e) {
String errorMsg = "Could not send e
mail";
logger.error(errorMsg, e);
throw new CatalogException("errorMsg", e);
}
}
}
本文深入探讨JavaMail API的功能及其在web开发中的应用，包括邮件服务器的基本概念、SMTP和POP3协议的理解，以及如何使用JavaMail发送邮件，适用于用户注册验证、生日祝福等场景。
扫一扫
926
被折叠的 条评论
为什么被折叠?
到【灌水乐园】发言
