www.pudn.com > JMail4Email.rar > LoginAction.java

package ezmail; 
 
import javax.servlet.ServletContext; 
import javax.servlet.http.HttpServletRequest; 
import javax.servlet.http.HttpServletResponse; 
import javax.servlet.http.HttpSession; 
 
import javax.mail.Session; 
import javax.mail.Store; 
import javax.mail.Folder; 
 
public class LoginAction implements Action { 
 
	public LoginAction() { 
	} 
 
	/** 
	 *  Performs the following steps during login 
	 *  
 
	 *		
Reads form data for: pop3server, user, and password
 
	 *		
Configure mail session
 
	 *		
Constructs a UserInfo object and place in the HttpSession
 
	 *		
Set the LOGGED_IN flag to true
 
	 * 
 
	 * 
	 *  The data is then placed in the user's session.  The attribute is named 
	 *  Constants.DATA 
	 */ 
	public void perform(ServletContext servletContext, 
						HttpServletRequest request, 
						HttpServletResponse response) throws ActionException { 
 
		try { 
			HttpSession theHttpSession = request.getSession(); 
 
			// retrieve data from login form and servlet context 
			String pop3host = request.getParameter("pop3host"); 
			String user = request.getParameter("user"); 
			String password = request.getParameter("password"); 
			String emailAddress = request.getParameter("email_address"); 
			String smtphost = servletContext.getInitParameter("smtphost"); 
 
			// Configure the mail session 
			System.out.println("Configuring mail session"); 
			java.util.Properties props = new java.util.Properties(); 
			props.put("mail.smtp.host", smtphost); 
			props.put("mail.pop3.host", pop3host); 
			Session mailSession = Session.getInstance(props, null); 
			System.out.println("Configuring mail session....complete!"); 
 
			// create a UserInfo object 
			UserInfo info = new UserInfo(pop3host, user, password, emailAddress); 
 
			// now let's add user data to the session 
			theHttpSession.setAttribute(Constants.MAIL_SESSION, mailSession); 
			theHttpSession.setAttribute(Constants.USER_INFO, info); 
			theHttpSession.setAttribute(Constants.LOGIN_STATUS, new Boolean(true)); 
		} 
		catch (Exception exc) { 
			exc.printStackTrace(); 
			throw new ActionException(exc.getMessage()); 
		} 
	} 
}