JSF中JavaMail的应用

package com.talgroup.web;
 
import java.io.Serializable;
import java.util.Properties;
 
import javax.mail.Authenticator;
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 org.apache.commons.logging.Log;
 
/**
 * JavaServer Faces managed bean that is used to send mail to mail server.
 * 
 * @author suibianguangguang
 * @version $Id: SupportMailBean.java,v 1.1 2006/09/04 08:47:52 suibianguangguang Exp $
 */
public class SupportMailBean implements Serializable {
 
	/**
	 * Serial Version UID
	 */
	private static final long serialVersionUID = -6113167257687160916L;
 
	/**
	 * Logger
	 */
	private Log logger = LogEnabled.getLogger();
	
	/**
	 * Mail server authenticator for sending mail
	 */
	class MailAuthenticator extends Authenticator {
 
	    /**
		 * @return The user name at mail server
		 */
	    private String userName;
	    
	    /**
		 * @return The password for the user name
		 */
	    private String password;
 
		/**
		 * @return The password for the user name
		 */
		public String getPassword() {
			return password;
		}
 
		/**
		 * @param password The password for the user name
		 */
		public void setPassword(String password) {
			this.password = password;
		}
 
		/**
		 * @return The user name at mail server
		 */
		public String getUserName() {
			return userName;
		}
 
		/**
		 * @param userName The user name at mail server
		 */
		public void setUserName(String userName) {
			this.userName = userName;
		}
	}
 
	/**
	 * The mail server host name or ip
	 */
	private String serverName;
	
	/**
	 * The mail server port
	 */
	private Integer serverPort = new Integer(25);
 
	/**
	 * The mail server protocol: SMTP, IMAP ...
	 */
	private String protocol = "smtp";
 
	/**
	 * The String userName
	 */
	private String authUserName;
	
	/**
	 * The String password
	 */
	private String authPassword;
 
	/**
	 * String from
	 */
	private String fromMailAddress;
	
	/**
	 * The String to
	 */
	private String mailToAddresses;
	
	/**
	 * Mail cc
	 */
	private String mailCcAddresses;
	
	/**
	 * The String subject
	 */
	private String mailSubject;
	
	/**
	 * The String content
	 */
	private String mailContent;
	
	/**
	 * The extra messages that will follow after mail content
	 */
	private String extraMailContent;
	
	/**
	 * @return The mail server host name or IP address
	 */
	public String getServerName() {
		return serverName;
	}
	/**
	 * @param serverName The mail server host name or IP address
	 */
	public void setServerName(String serverName) {
		this.serverName = serverName;
	}
	
	/**
	 * @return The mail server protocol: SMTP, IMAP ...
	 */
	public String getProtocol() {
		return protocol;
	}
	/**
	 * @param protocol The mail server protocol: SMTP, IMAP ...
	 */
	public void setProtocol(String protocol) {
		this.protocol = protocol;
	}
 
	/**
	 * @return The mail server service port, default is 25
	 */
	public Integer getServerPort() {
		return serverPort;
	}
	/**
	 * @param serverPort The mail server service port, default is 25
	 */
	public void setServerPort(Integer serverPort) {
		this.serverPort = serverPort;
	}
 
	/**
	 * @return The user name in order to log in mail server. It is required if server need
	 */
	public String getAuthUserName() {
		return authUserName;
	}
	/**
	 * @param authUserName The user name in order to log in mail server. It is required if server need
	 */
	public void setAuthUserName(String authUserName) {
		this.authUserName = authUserName;
	}
 
	/**
	 * @return The password to log in mail server if mail account required
	 */
	public String getAuthPassword() {
		return authPassword;
	}
	/**
	 * @param authPassword The password to log in mail server if mail account required
	 */
	public void setAuthPassword(String authPassword) {
		this.authPassword = authPassword;
	}
	
	/**
	 * @return The mail address that send the mail. It is optional. Needs provide if mail server required  
	 */
	public String getFromMailAddress() {
		return fromMailAddress;
	}
	/**
	 * @param fromMailAddress The mail address that send the mail. It is optional.
	 */
	public void setFromMailAddress(String fromMailAddress) {
		this.fromMailAddress = fromMailAddress;
	}
	
	/**
	 * @return The mail will send to these addresses
	 */
	public String getMailToAddresses() {
		return mailToAddresses;
	}
	/**
	 * @param mailToAddresses The mail will send to these addresses
	 */
	public void setMailToAddresses(String mailToAddresses) {
		this.mailToAddresses = mailToAddresses;
	}
	
	/**
	 * @return the mailCcAddresses
	 */
	public String getMailCcAddresses() {
		return mailCcAddresses;
	}
	/**
	 * @param mailCcAddresses the mailCcAddresses to set
	 */
	public void setMailCcAddresses(String mailCcAddresses) {
		this.mailCcAddresses = mailCcAddresses;
	}
	
	/**
	 * @return The mail subject
	 */
	public String getMailSubject() {
		return mailSubject;
	}
	/**
	 * @param mailSubject The mail subject
	 */
	public void setMailSubject(String mailSubject) {
		this.mailSubject = mailSubject;
	}
	
	/**
	 * @return The mail content will be sent
	 */
	public String getMailContent() {
		return mailContent;
	}
	/**
	 * @param mailContent The mail content will be sent
	 */
	public void setMailContent(String mailContent) {
		this.mailContent = mailContent;
	}
	
	/**
	 * @return The extra mail content. Usually, it is created by program
	 */
	public String getExtraMailContent() {
		return extraMailContent;
	}
	/**
	 * @param extraMailContent The extra mail content. Usually, it is created by program
	 */
	public void setExtraMailContent(String extraMailContent) {
		this.extraMailContent = extraMailContent;
	}
	
	/**
	 * @return The full mail content that is used to send mail
	 */
	public String getFullContent() {
		StringBuffer buffer = new StringBuffer();
		
		buffer.append(java.util.Calendar.getInstance().getTime());
		buffer.append("\r\r");
		
		buffer.append(mailContent);
		buffer.append("\r\r");
		
		if ((extraMailContent != null) && (extraMailContent.length() > 0)) {
			buffer.append("\r\r");
			buffer.append(extraMailContent);
		}
		
		return buffer.toString();
	}
	
	/**
	 * @return The full mail content that is used to show at web page
	 */
	public String getHtmlFullContent() {
		return getFullContent().replaceAll("\r", "<br/>");
	}
	
	/**
	 * Send mail to user
	 * @return Whether send mail success
	 */
	public String onClickSendMail() {
		
        try {
            Properties props = new Properties();
            
            props.put("mail.transport.protocol", protocol);
            props.put("mail.smtp.host", serverName);
            props.put("mail.smtp.port", serverPort);
 
            Session session = null;
            
            if ((authUserName != null) && (authUserName.length() > 0)) {
            	MailAuthenticator authenticator = new MailAuthenticator();
            	
            	authenticator.setUserName(authUserName);
            	authenticator.setPassword(authPassword);
            	
            	session = Session.getInstance(props, authenticator);
            } else {
            	session = Session.getInstance(props);
            }
            	
 
            MimeMessage message = new MimeMessage(session);
            
            if ((fromMailAddress != null) && (fromMailAddress.length() > 0)) {
            	message.addFrom(InternetAddress.parse(fromMailAddress.trim()));
            }
            
            message.addRecipients(Message.RecipientType.TO, InternetAddress.parse(mailToAddresses));
            
            if ((mailCcAddresses != null) && (mailCcAddresses.length() > 0)) {
            	message.addRecipients(Message.RecipientType.CC, InternetAddress.parse(mailToAddresses));
            }
            
            message.setSubject(mailSubject);
            
            Multipart multipart = new MimeMultipart();
            BodyPart bodyPartInfo = new MimeBodyPart();
            
            bodyPartInfo.setText(getFullContent());
            
            multipart.addBodyPart(bodyPartInfo);
 
            message.setContent(multipart);
            message.saveChanges();
 
            Transport.send(message);
            
            return "support.mail.success";
 
        } catch (Exception e) {
        	if (logger.isErrorEnabled()) {
        		logger.error(SupportMailMessages.getString(SupportMailMessages.FAIL_TO_SEND_MAIL, 
        				e.getMessage()), e);
        	}
        	SupportMailMessages.addFacesMessage(SupportMailMessages.FAIL_TO_SEND_MAIL, 
        			new String[] {e.getMessage()});
        	
            return null;
        }
    }
}