javax mail發郵件

1. mail配置

## mail
mail.smtp.host=smtp.XXXXXX.com
[email protected]
mail.smtp.password=111111
mail.smtp.port=465
mail.smtp.auth=true
mail.smtp.timeout=25000

mail.smtp.ssl.enable=true
mail.smtp.socketFactory.class=javax.net.ssl.SSLSocketFactory
mail.smtp.socketFactory.port=465
mail.smtp.socketFactory.fallback=false
[email protected]

2.MailUtil.java

@Component
public class MailUtil implements InitializingBean {

	@Autowired
	private AppConfig appConfig;
	
	private static final String SMTP = "smtp";
	private static final String CONTENT_TYPE = "text/html;charset=utf-8";
	private static final List<String> CC = new ArrayList<String>();
	
	private static final Logger logger = Logger.getLogger(MailUtil.class);
	
	public void sendMail(List<String> toList, List<String> cc, String subject, String body)
			throws AddressException, MessagingException {
		Properties props = System.getProperties();
		props.put("mail.smtp.ssl.enable", appConfig.getMailSsl());
		props.put("mail.smtp.host", appConfig.getMailHost());
		props.put("mail.smtp.user", appConfig.getMailUser());
		props.put("mail.smtp.password", appConfig.getMailPassword());
		props.put("mail.smtp.port", appConfig.getMailPort());
		props.put("mail.smtp.auth", appConfig.getMailAuth());

		Session session = Session.getDefaultInstance(props);
		MimeMessage message = new MimeMessage(session);
		message.setFrom(new InternetAddress(appConfig.getMailUser()));	
		logger.info("mail subject : " + subject);	
		List<String> to = new ArrayList<String>();	
		for (int i = 0; i < toList.size(); i++) {//去重
			String tempMail = toList.get(i);
			logger.info("toList mail i = " + i + " : " + tempMail);
			if(!to.contains(tempMail)){
				to.add(tempMail);
			}
			
		}
		
		logger.info("after removing the repeat mail, to list size: " + to.size());
		
		//20160202 in product 暫時註釋掉 將收件人替換爲開發者自己 正式環境下去掉註釋
		for (int i = 0; i < to.size(); i++) {
			message.addRecipient(Message.RecipientType.TO, new InternetAddress(to.get(i)));
		}
		
		if (cc != null) {
			for (int i = 0; i < cc.size(); i++) {
				message.addRecipient(Message.RecipientType.CC, new InternetAddress(cc.get(i)));
			}
		}
		
		//沒什麼用  註釋掉
		/*for (int i = 0; i < CC.size(); i++) {
			message.addRecipient(Message.RecipientType.CC, new InternetAddress(CC.get(i)));
		}*/
				
		//20160202 in develop 暫時加上將收件人替換爲開發者自己 正式環境下注釋掉
		//message.addRecipient(Message.RecipientType.TO, new InternetAddress("[email protected]"));
		//message.addRecipient(Message.RecipientType.TO, new InternetAddress(Constants.ADMIN_EMAIL));
			
		message.setSubject(subject);
		message.setContent(body, CONTENT_TYPE);
			
		Transport transport = session.getTransport(SMTP);
		transport.connect(appConfig.getMailHost(), appConfig.getMailUser(), appConfig.getMailPassword());
		transport.sendMessage(message, message.getAllRecipients());
		transport.close();
	}

	@Override
	public void afterPropertiesSet() throws Exception {
		// TODO Auto-generated method stub
		if (!Strings.isNullOrEmpty(appConfig.getMailCc())) {
			String []cc = appConfig.getMailCc().split(";");
			for (int i = 0; i < cc.length; i++) {
				CC.add(cc[i].trim());
			}
		}
	}
}

3.AppConfig.java(將properties中的屬性映射到bean中)

@Component
public class AppConfig {
	public static final String CURRENT_WORKING_DIR = System
			.getProperty("user.dir");
	public static final String FILE_SEPARATOR = System
			.getProperty("file.separator");

	static final String DEV_MODE = "dev";
	static final String PROD_MODE = "prod";
	
	// app ---------------------------------------------------------------------
	@Value("${app.runMode}")
	private String runMode;
	@Value("${app.workDir}")
	private String workDirPath;
	
	// http --------------------------------------------------------------------
	@Value("${app.server.port}")
	private int httpPort;
	@Value("${app.server.sessionTimeout}")
	private int httpSessionTimeout;
	
	// mail
	@Value("${mail.smtp.host}")
	private String mailHost;
		

	@Value("${mail.smtp.user}")
	private String mailUser;
	@Value("${mail.smtp.password}")
	private String mailPassword;
	@Value("${mail.smtp.port}")
	private String mailPort;
	@Value("${mail.smtp.auth}")
	private String mailAuth;
	@Value("${mail.smtp.timeout}")
	private String mailTimeout;
	@Value("${mail.smtp.ssl.enable}")
	private String mailSsl;
	@Value("${mail.recipient.cc}")
	private String mailCc;
		
	public String getMailHost() {
		return mailHost;
	}

	public void setMailHost(String mailHost) {
		this.mailHost = mailHost;
	}

	public String getMailUser() {
		return mailUser;
	}

	public void setMailUser(String mailUser) {
		this.mailUser = mailUser;
	}

	public String getMailPassword() {
		return mailPassword;
	}

	public void setMailPassword(String mailPassword) {
		this.mailPassword = mailPassword;
	}

	public String getMailPort() {
		return mailPort;
	}

	public void setMailPort(String mailPort) {
		this.mailPort = mailPort;
	}

	public String getMailAuth() {
		return mailAuth;
	}

	public void setMailAuth(String mailAuth) {
		this.mailAuth = mailAuth;
	}

	public String getMailTimeout() {
		return mailTimeout;
	}

	public void setMailTimeout(String mailTimeout) {
		this.mailTimeout = mailTimeout;
	}

	public String getMailSsl() {
		return mailSsl;
	}

	public void setMailSsl(String mailSsl) {
		this.mailSsl = mailSsl;
	}

	public String getMailCc() {
		return mailCc;
	}

	public void setMailCc(String mailCc) {
		this.mailCc = mailCc;
	}

	//判斷是在開發模式還是生產模式
	public boolean isInDevelopMode() {
		if (runMode.compareTo(DEV_MODE) == 0) {
			return true;
		}
		return false;
	}

	public boolean isInProductionMode() {
		if (runMode.compareTo(PROD_MODE) == 0) {
			return true;
		}
		return false;
	}

	public String getRunMode() {
		return runMode;
	}
	public String getWorkDirPath() {
		return workDirPath;
	}
	public int getHttpPort() {
		return httpPort;
	}
	public int getHttpSessionTimeout() {
		return httpSessionTimeout;
	}
}