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Posted on 2005-12-18 00:38 ajie 阅读(2698) 评论(2) 编辑 收藏
1 /** *//** 2 * 该类演示了Java Mail的应用 3 * 版权 本文版权属Java天下 4 * @author ljfan 5 * @version 2.0, Created on 2005/08/10 6 * 7 */ 8 9 package cn.javatx.util; 10 11 import java.io.FileInputStream; 12 import java.text.SimpleDateFormat; 13 import java.util.Collection; 14 import java.util.Collections; 15 import java.util.Date; 16 import java.util.Properties; 17 import java.util.concurrent.ArrayBlockingQueue; 18 import java.util.concurrent.ThreadPoolExecutor; 19 import java.util.concurrent.TimeUnit; 20 21 import javax.mail.Address; 22 import javax.mail.Message; 23 import javax.mail.MessagingException; 24 import javax.mail.Part; 25 import javax.mail.SendFailedException; 26 import javax.mail.Session; 27 import javax.mail.Transport; 28 import javax.mail.URLName; 29 import javax.mail.internet.AddressException; 30 import javax.mail.internet.InternetAddress; 31 import javax.mail.internet.MimeBodyPart; 32 import javax.mail.internet.MimeMessage; 33 import javax.mail.internet.MimeMultipart; 34 import javax.mail.internet.MimeUtility; 35 36 public class Mail { 37 38 private String host; 39 40 private int port; 41 42 private String username; 43 44 private String password; 45 46 ThreadPoolExecutor executor = null; 47 48 private static Mail mail = new Mail(); 49 50 public static Mail getInstance() { 51 return mail; 52 } 53 54 private Mail() { 55 try { 56 Properties prop = new Properties(); 57 FileInputStream fis = new FileInputStream("H:\\Tomcat5\\webapps\\ROOT\\WEB-INF\\classes\\mail.properties"); 58 prop.load(fis); 59 60 this.host = prop.getProperty("mail.smtp.host"); 61 this.port = Integer.parseInt(prop.getProperty("mail.smtp.port")); 62 this.username = prop.getProperty("mail.smtp.username"); 63 this.password = prop.getProperty("mail.smtp.password"); 64 65 System.out.println("host:"+host); 66 System.out.println("port:"+port); 67 68 } catch (Exception e) { 69 System.out.println(e.getMessage()); 70 } 71 72 executor = new ThreadPoolExecutor(1, Integer.MAX_VALUE, 60, 73 TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(5)); 74 } 75 76 private Session session = null; 77 78 /** *//** 79 * Creates a Javamail session. 80 */ 81 private synchronized void createSession() { 82 if (host == null) { 83 throw new IllegalArgumentException("Host cannot be null."); 84 } 85 86 Properties mailProps = new Properties(); 87 mailProps.setProperty("mail.smtp.host", host); 88 mailProps.setProperty("mail.smtp.port", String.valueOf(port)); 89 mailProps.setProperty("mail.smtp.sendpartial", "true"); 90 if (username != null) { 91 mailProps.put("mail.smtp.auth", "true"); 92 } 93 session = Session.getInstance(mailProps, null); 94 } 95 96 public MimeMessage createMimeMessage() { 97 if (session == null) { 98 createSession(); 99 } 100 return new MimeMessage(session); 101 } 102 103 /** *//** 104 * 发送邮件 105 * 106 * @param fromName 107 * 发件人姓名 108 * @param fromEmail 109 * 发件人地址 110 * @param ToEmail 111 * 收件人地址 112 * @param CcEmail 113 * 抄送人地址 114 * @param subject 115 * 邮件主题 116 * @param textBody 117 * 邮件内容 118 * @param htmlBody 119 * 邮件内容(html形式) 120 */ 121 public void sendMessage(String fromName, String fromEmail, String ToEmail, 122 String CcEmail, String subject, String textBody, String htmlBody) { 123 try { 124 String encoding = MimeUtility.mimeCharset("gb2312"); 125 MimeMessage message = createMimeMessage(); 126 127 String sTo[] = ToEmail.split(","); 128 String sCc[] = CcEmail.split(","); 129 130 //收件人地址 131 Address to[] = new Address[sTo.length]; 132 for (int i = 0; i < sTo.length; i++) { 133 to[i] = new InternetAddress(sTo[i], "", encoding); 134 } 135 136 //抄送人地址 137 Address cc[] = new Address[sCc.length]; 138 for (int i = 0; i < sTo.length; i++) { 139 cc[i] = new InternetAddress(sCc[i], "", encoding); 140 } 141 142 Address from = null; 143 144 if (fromName != null) { 145 from = new InternetAddress(fromEmail, fromName, encoding); 146 } else { 147 from = new InternetAddress(fromEmail, "", encoding); 148 } 149 150 SimpleDateFormat format = new SimpleDateFormat( 151 "EEE, dd MMM yyyy HH:mm:ss Z", java.util.Locale.US); 152 153 message.setHeader("Date", format.format(new Date())); 154 message.setHeader("Content-Transfer-Encoding", "8bit"); 155 message.setRecipients(Message.RecipientType.TO, to); 156 if (!(CcEmail.equals("")) || (CcEmail == null)) { 157 message.setRecipients(Message.RecipientType.CC, cc); 158 } 159 message.setFrom(from); 160 message.setSubject(subject, encoding); 161 // Create HTML, plain-text, or combination message 162 if (textBody != null && htmlBody != null) { 163 MimeMultipart content = new MimeMultipart("alternative"); 164 // Plain-text 165 MimeBodyPart text = new MimeBodyPart(); 166 text.setText(textBody, encoding); 167 text.setDisposition(Part.INLINE); 168 content.addBodyPart(text); 169 // HTML 170 MimeBodyPart html = new MimeBodyPart(); 171 html.setContent(htmlBody, "text/html"); 172 html.setDisposition(Part.INLINE); 173 content.addBodyPart(html); 174 // Add multipart to message. 175 message.setContent(content); 176 message.setDisposition(Part.INLINE); 177 addToTask(message); 178 } else if (textBody != null) { 179 MimeBodyPart bPart = new MimeBodyPart(); 180 bPart.setText(textBody, encoding); 181 bPart.setDisposition(Part.INLINE); 182 MimeMultipart mPart = new MimeMultipart(); 183 mPart.addBodyPart(bPart); 184 message.setContent(mPart); 185 message.setDisposition(Part.INLINE); 186 addToTask(message); 187 } else if (htmlBody != null) { 188 MimeBodyPart bPart = new MimeBodyPart(); 189 bPart.setContent(htmlBody, "text/html"); 190 bPart.setDisposition(Part.INLINE); 191 MimeMultipart mPart = new MimeMultipart(); 192 mPart.addBodyPart(bPart); 193 message.setContent(mPart); 194 message.setDisposition(Part.INLINE); 195 addToTask(message); 196 } 197 } catch (Exception e) { 198 System.out.println(e.getMessage()); 199 } 200 } 201 202 private void addToTask(MimeMessage message) { 203 if (message != null) { 204 sendMessages(Collections.singletonList(message)); 205 } else { 206 System.out.println("Cannot add null email message to queue."); 207 } 208 209 } 210 211 public void sendMessages(Collection<MimeMessage> messages) { 212 if (messages.size() == 0) { 213 return; 214 } 215 executor.execute(new EmailTask(messages)); 216 } 217 218 /** *//** 219 * Task to send one or more emails via the SMTP server. 220 */ 221 private class EmailTask implements Runnable { 222 223 private Collection<MimeMessage> messages; 224 225 public EmailTask(Collection<MimeMessage> messages) { 226 this.messages = messages; 227 } 228 229 public void run() { 230 try { 231 sendMessages(); 232 } catch (MessagingException me) { 233 System.out.println(me.getMessage()); 234 } 235 } 236 237 public void sendMessages() throws MessagingException { 238 Transport transport = null; 239 try { 240 URLName url = new URLName("smtp", host, port, "", username, 241 password); 242 transport = new com.sun.mail.smtp.SMTPTransport(session, url); 243 transport.connect(host, port, username, password); 244 //System.out.println(messages.size()); 245 for (MimeMessage message : messages) { 246 try { 247 transport.sendMessage(message, message 248 .getRecipients(MimeMessage.RecipientType.TO)); 249 } catch (AddressException ae) { 250 System.out.println(ae.getMessage()); 251 } catch (SendFailedException sfe) { 252 System.out.println(sfe.getMessage()); 253 } 254 } 255 } finally { 256 if (transport != null) { 257 try { 258 transport.close(); 259 } catch (MessagingException e) { /**//* ignore */ 260 } 261 } 262 } 263 } 264 } 265 } 266 Java天下社区 http://www.javatx.cn 欢迎大家上来交流Java技术。
评论
# re: 利用Java Mail API 开发邮件通知服务 回复 更多评论
2007-11-14 11:14 by
H:\\Tomcat5\\webapps\\ROOT\\WEB-INF\\classes\\mail.properties
mail.properties配置文件里 的内容是什么呀?
# re: 利用Java Mail API 开发邮件通知服务 回复 更多评论
2009-03-31 10:19 by
在代码中是不应该出现服务器的路径的
H:\\Tomcat5\\webapps\\ROOT\\WEB-INF\\classes\\mail.properties
这样安全性不好
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