Subversion Repositories bacoAlunos

package pt.estgp.estgweb.services.email;

import jomm.utils.TemplateUtils;

import org.apache.log4j.Logger;

import pt.estgp.estgweb.Globals;

import pt.estgp.estgweb.domain.*;

import pt.estgp.estgweb.domain.enums.LangEnum;

import pt.estgp.estgweb.services.expceptions.ServiceException;

import pt.estgp.estgweb.utils.ConfigProperties;

import pt.estgp.estgweb.utils.Email;

import pt.estgp.estgweb.utils.EmailPersonalizedCertificated;

import pt.estgp.estgweb.web.utils.DatesUtils;

import pt.utl.ist.berserk.logic.serviceManager.IService;

import javax.mail.*;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeMessage;

import java.io.UnsupportedEncodingException;

import java.text.MessageFormat;

import java.util.*;

/**

 * @author Jorge Machado

 * @date 20/Mar/2008

 * @time 18:31:00

 * @see pt.estgp.estgweb.services.email

 */

public class SendEmailService implements IService

{

    private static final 1.5.0/docs/api/java/util/logging/Logger.html">Logger logger = 1.5.0/docs/api/java/util/logging/Logger.html">Logger.getLogger(SendEmailService.class);

    private static final 1.5.0/docs/api/java/lang/String.html">String gradeUnitTemplate = Globals.TEMPLATE_EMAIL_PATH + "/" + Globals.EMAIL_GRADE_UNIT_TEMPLATE;

    static 1.5.0/docs/api/java/lang/String.html">String sendFromAddress;

    public SendEmailService() {

    }

    static 1.5.0/docs/api/java/lang/String.html">String[] serverEmails;

    static int serverEmailPos = -1;

    static

    {

        serverEmails = new 1.5.0/docs/api/java/lang/String.html">String[Globals.EMAIL_SERVER_USER_COUNT];

        for(int i = 1;i<= Globals.EMAIL_SERVER_USER_COUNT;i++)

        {

            serverEmails[i-1] = Globals.EMAIL_SERVER_USER_PREFIX + i + Globals.EMAIL_SERVER_USER_SUFIX;

        }

    }

    public Session connectSession()

    {

        sendFromAddress = Globals.SYSTEM_EMAIL_USE_ROUND_ROBIN ?

                getRoundRobinEmailUser() : Globals.SYSTEM_EMAIL_BOX;

        logger.info("CONNECTION SESSION EMAIL: " + sendFromAddress + " using round robin: " + Globals.SYSTEM_EMAIL_USE_ROUND_ROBIN);

        // Set up properties for mail session

        1.5.0/docs/api/java/util/Properties.html">Properties props = 1.5.0/docs/api/java/lang/System.html">System.getProperties();

        //Properties props = new Properties();

        props.put("mail.smtp.host", Globals.EMAIL_SERVER_HOST);

        //props.setProperty("mail.transport.protocol", "smtp");//todo new

        final 1.5.0/docs/api/java/lang/String.html">String username = Globals.EMAIL_SERVER_USERNAME;

        final 1.5.0/docs/api/java/lang/String.html">String password = Globals.EMAIL_SERVER_PASSWORD;

        javax.mail.1.5.0/docs/api/java/net/Authenticator.html">Authenticator authenticator = null;

        if(Globals.SYSTEM_EMAIL_USE_SECURITY && Globals.EMAIL_SERVER_SECURITY != null && Globals.EMAIL_SERVER_SECURITY.compareTo("TLS")==0)

        {

            logger.info("Using Email Security TLS");

            props.put("mail.smtp.auth", "true");

            props.put("mail.smtp.starttls.enable", "true");

            props.put("mail.smtp.port", ""+ Globals.EMAIL_SERVER_SECURITY_TLS);

            authenticator = new javax.mail.1.5.0/docs/api/java/net/Authenticator.html">Authenticator() {

                protected 1.5.0/docs/api/java/net/PasswordAuthentication.html">PasswordAuthentication getPasswordAuthentication() {

                    1.5.0/docs/api/java/lang/System.html">System.out.println("Email from:" + sendFromAddress + " pass:" + password);

                    return new 1.5.0/docs/api/java/net/PasswordAuthentication.html">PasswordAuthentication(sendFromAddress, password);

                }

            };

        }

        else if(Globals.SYSTEM_EMAIL_USE_SECURITY && Globals.EMAIL_SERVER_SECURITY != null && Globals.EMAIL_SERVER_SECURITY.compareTo("SSL")==0)

        {

            logger.info("Using Email Security SSL");

            props.put("mail.smtp.socketFactory.port", Globals.EMAIL_SERVER_SECURITY_SSL);

            props.put("mail.smtp.socketFactory.class",

                    "javax.net.ssl.SSLSocketFactory");

            props.put("mail.smtp.auth", "true");

            props.put("mail.smtp.port", Globals.EMAIL_SERVER_SECURITY_SSL);

            authenticator = new javax.mail.1.5.0/docs/api/java/net/Authenticator.html">Authenticator() {

                protected 1.5.0/docs/api/java/net/PasswordAuthentication.html">PasswordAuthentication getPasswordAuthentication() {

                    1.5.0/docs/api/java/lang/System.html">System.out.println("Email from:" + sendFromAddress + " pass:" + password);

                    return new 1.5.0/docs/api/java/net/PasswordAuthentication.html">PasswordAuthentication(sendFromAddress,password);

                }

            };

        }

        else

        {

        }

        1.5.0/docs/api/java/lang/System.html">System.out.println("Autenticator != null :" + (authenticator != null));

        // Get session

        /*Session session = authenticator != null ?

                Session.getDefaultInstance(props, authenticator)

                : Session.getDefaultInstance(props) ;

        */

        Session session = authenticator != null ?

                Session.getInstance(props, authenticator)

                : Session.getInstance(props) ;

        try {

            //session.getTransport("smtp").connect(Globals.EMAIL_SERVER_HOST,sendFromAddress,password);

            1.5.0/docs/api/java/lang/System.html">System.out.println("toString:" + session.getTransport("smtp").toString());

            Transport transport = session.getTransport("smtp");

            //System.out.println("toString(smtp):" + session.getTransport().toString());

            1.5.0/docs/api/java/lang/System.html">System.out.println("isConnected:" + transport.isConnected());

            1.5.0/docs/api/java/lang/System.html">System.out.println("isConnected:" + session.getTransport("smtp").isConnected());

            //System.out.println("isConnected(smtp):" + session.getTransport("smtp").isConnected());

        } catch (MessagingException e) {

            logger.error(e,e);

        }

        session.setDebug(true);

        session.setDebugOut(1.5.0/docs/api/java/lang/System.html">System.out);

        return session;

    }

    private static synchronized 1.5.0/docs/api/java/lang/String.html">String getRoundRobinEmailUser()

    {

        serverEmailPos++;

        if(serverEmailPos >= Globals.EMAIL_SERVER_USER_COUNT)

        {

            serverEmailPos = 0;

        }

        return serverEmails[serverEmailPos];

    }

    public void sendEmail(Email email) throws ServiceException

    {

        sendEmail(email,null,null);

    }

    public void sendEmail(Email email,1.5.0/docs/api/java/lang/String.html">String url,1.5.0/docs/api/java/lang/String.html">String nome) throws ServiceException

    {

        if(Globals.TEST_ENVIRONEMENT && !email.isSystemAssumingTestEmail())

        {

            1.5.0/docs/api/java/lang/String.html">String warn = "System in TEST Environement - will not send EMAIL";

            logger.warn(warn);

            return;

        }

        try{

            //if(session == null || !session.getTransport().isConnected())

               Session session = connectSession();

            // Create message

            MimeMessage message = new MimeMessage(session);

            // Set the recipients of the message

            boolean valid = false;

            for (1.5.0/docs/api/java/lang/String.html">String recipient : email.getRecipients())

            {

                if(Email.validEmail(recipient))

                {

                    valid=true;

                    message.addRecipient(Message.RecipientType.TO,new InternetAddress(recipient));

                    logger.info("Adding recipient (" + email.getType().toString() + ") to transport:"+recipient);

                }

            }

            if(email.getRecipientsCC() != null)

            {

                for (1.5.0/docs/api/java/lang/String.html">String recipient : email.getRecipientsCC())

                {

                    if(Email.validEmail(recipient))

                    {

                        //valid=true;

                        message.addRecipient(Message.RecipientType.CC,new InternetAddress(recipient));

                        logger.info("Adding recipient CC (" + email.getType().toString() + ") to transport:"+recipient);

                    }

                }

            }

            if(valid)

            {

                1.5.0/docs/api/java/lang/String.html">String fullMessage = getEmailTextMessage(email);

                if(url != null && nome != null)

                {

                    logger.info("Requesting certificated Email, will replace fields in template");

                    fullMessage = fullMessage.replaceAll("@USER_NOME@",nome);

                    fullMessage = fullMessage.replaceAll("@URL@",url);

                }

                logger.info("FROM:" + email.getFrom() + " but using: " + sendFromAddress);

                //if(email.getFromName() != null)

                    try {

                        message.setFrom(new InternetAddress(sendFromAddress,sendFromAddress));

                    } catch (1.5.0/docs/api/java/io/UnsupportedEncodingException.html">UnsupportedEncodingException e) {

                        logger.error(e,e);

                        //message.setFrom(new InternetAddress(sendFromAddress));

                    }

                //else

                //    message.setFrom(new InternetAddress(Globals.SYSTEM_EMAIL_BOX));

                message.setSubject(email.getSubject() + " - não responda para este endereço","utf-8");

                if(email.isHtml())

                {

                    fullMessage += email.getFrom() != null && email.getFrom().length()>0 && !email.getFrom().equals(Globals.SYSTEM_EMAIL_BOX) ?  "<br/><br/>Responda para " + email.getFrom() : "<br/><br/>Por favor não responda a este email";

                    fullMessage += " <br/> <br/> <h5> Mensagem Segura - enviada através da Google Apps Api </h5>";

                }

                else

                {

                    fullMessage += email.getFrom() != null && email.getFrom().length()>0 && !email.getFrom().equals(Globals.SYSTEM_EMAIL_BOX) ? "\n\nResponda para " + email.getFrom() : "\n\nPor favor não responda a este email";

                    fullMessage += " \n\n Mensagem Segura - enviada através da Google Apps Api ";

                }

                message.setText(fullMessage,"utf-8");

                if(email.isHtml())

                {

                    message.setHeader("Content-Type","text/html; charset=\"utf-8\"");

                }

                else

                {

                    message.setHeader("Content-Type","text/plain; charset=\"utf-8\"");

                }

                message.setHeader("Content-Transfer-Encoding", "quoted-printable");

                logger.info("Sending email to transport:"+fullMessage);

                Transport.send(message);

                //session.getTransport("smtp").sendMessage(message,message.getAllRecipients());

                //session.getTransport().close();

            }

        }

        catch(MessagingException e)

        {

            logger.error(e,e);

            throw new ServiceException(e.toString());

        }

    }

    private static 1.5.0/docs/api/java/lang/String.html">String getEmailTextMessage(Email email)

    {

        return getEmailTextMessage( email.getEmailTemplateName(), email.getArguments().toArray());

    }

    public static 1.5.0/docs/api/java/lang/String.html">String getEmailTextMessage(1.5.0/docs/api/java/lang/String.html">String template,List<String> arguments)

    {

        return getEmailTextMessage(template, arguments.toArray());

    }

    public static 1.5.0/docs/api/java/lang/String.html">String getEmailTextMessage(1.5.0/docs/api/java/lang/String.html">String template,5+0%2Fdocs%2Fapi+Object">Object[] arguments)

    {

        1.5.0/docs/api/java/lang/String.html">String content = TemplateUtils.getOrLoadTemplate(Globals.TEMPLATE_EMAIL_PATH + "/" +template);

        // Format the mail message

        return 1.5.0/docs/api/java/text/MessageFormat.html">MessageFormat.format(content, arguments);

    }

    public Email getSendUrlToFriendEmail(1.5.0/docs/api/java/lang/String.html">String url, 1.5.0/docs/api/java/lang/String.html">String from, LangEnum langEnum, List<String> recipients)

    {

        List<String> arguments = new ArrayList<String>();

        arguments.add(from);

        arguments.add(url);

        1.5.0/docs/api/java/lang/String.html">String subjectTxt;

        1.5.0/docs/api/java/lang/String.html">String template;

        if(langEnum == LangEnum.PORTUGUESE)

        {

            template = Globals.EMAIL_SEND_URL_FRIEND_TEMPLATE_PT;

            subjectTxt = Globals.EMAIL_SEND_URL_FRIEND_SUBJECT_PT;

        }

        else

        {

            template = Globals.EMAIL_SEND_URL_FRIEND_TEMPLATE_EN;

            subjectTxt = Globals.EMAIL_SEND_URL_FRIEND_SUBJECT_EN;

        }

        1.5.0/docs/api/java/lang/String.html">String subject = java.text.1.5.0/docs/api/java/text/MessageFormat.html">MessageFormat.format(subjectTxt,new 1.5.0/docs/api/java/lang/String.html">String[]{from});

        return new Email(subject ,recipients, Globals.SYSTEM_EMAIL_BOX,template,arguments);

    }

    public boolean sendUrlToFriend(1.5.0/docs/api/java/lang/String.html">String url, 1.5.0/docs/api/java/lang/String.html">String from, LangEnum langEnum, List<String> recipients)

    {

        try

        {

            sendEmail(getSendUrlToFriendEmail(url,from,langEnum,recipients));

            return true;

        }

        catch (ServiceException e)

        {

            return false;

        }

    }

    public boolean sendCourseUnitAnnouncement(CourseUnitAnnouncement announcement, LangEnum langEnum, 1.5.0/docs/api/java/lang/String.html">String from,  List<User> users)

    {

        try

        {

            sendEmail(getCourseUnitAnnouncementEmail(announcement,langEnum,from,users));

            return true;

        }

        catch (ServiceException e)

        {

            return false;

        }

    }

    public static class SendTo

    {

        public 1.5.0/docs/api/java/lang/String.html">String name;

        public 1.5.0/docs/api/java/lang/String.html">String email;

        public 1.5.0/docs/api/java/lang/String.html">String outEmail;

    }

    public Email getMessageEmail(1.5.0/docs/api/java/lang/String.html">String from, 1.5.0/docs/api/java/lang/String.html">String subject,1.5.0/docs/api/java/lang/String.html">String text, LangEnum langEnum, 1.5.0/docs/api/java/lang/String.html">String target, List<String> emails, User user)

    {

        return getMessageEmailAdulteredFromEmail(null,from,subject,text,langEnum,target,emails,user);

    }

    public Email getMessageEmailAdulteredFromEmail(1.5.0/docs/api/java/lang/String.html">String fromEmail, 1.5.0/docs/api/java/lang/String.html">String from, 1.5.0/docs/api/java/lang/String.html">String subject,1.5.0/docs/api/java/lang/String.html">String text, LangEnum langEnum, 1.5.0/docs/api/java/lang/String.html">String target, List<String> emails, User user)

    {

//        # 0 : From

//        # 1 : Subject

//        # 2 : Text

//        # 3 : person

//        # 4 : target

        List<String> arguments = new ArrayList<String>();

        arguments.add(from);

        arguments.add(subject);

        arguments.add(text);

        arguments.add(user.getName());

        arguments.add(target);

        arguments.add(fromEmail);

        1.5.0/docs/api/java/lang/String.html">String template;

        if(langEnum == LangEnum.PORTUGUESE)

        {

            template = Globals.EMAIL_MESSAGE_TEMPLATE_PT;

        }

        else

        {

            template = Globals.EMAIL_MESSAGE_TEMPLATE_EN;

        }

        List<String> recipients = new ArrayList<String>();

        for(1.5.0/docs/api/java/lang/String.html">String e: emails)

        {

            if(Email.validEmail(e))

                recipients.add(e);

        }

        logger.info("subject: " + subject);

        if(fromEmail == null)

            logger.info("user: " + user.getEmail());

        else

            logger.info("user altered to: " + fromEmail);

        logger.info("template: " + template);

        logger.info("arguments:");

        for(1.5.0/docs/api/java/lang/String.html">String arg: arguments)

            logger.info(arg);

        logger.info("recipients:");

        for(1.5.0/docs/api/java/lang/String.html">String rec: recipients)

            logger.info(rec);

        logger.info("arguments end");

        fromEmail = fromEmail == null ? user.getEmail() : fromEmail;

        Email email = new Email(subject ,recipients,fromEmail,template,arguments,Message.RecipientType.BCC);

        email.setFromName(from + " (ESTG)");

        return email;

    }

    public Email getMessageEmailAdulteredFromEmailIpp(1.5.0/docs/api/java/lang/String.html">String fromEmail, 1.5.0/docs/api/java/lang/String.html">String from, 1.5.0/docs/api/java/lang/String.html">String subject,1.5.0/docs/api/java/lang/String.html">String text, List<String> emails, User user)

    {

//        # 0 : From

//        # 1 : Subject

//        # 2 : Text

//        # 3 : FromEmail Adultered in message

//        # 4 : URL todo with certificate

        List<String> arguments = new ArrayList<String>();

        arguments.add(from);

        arguments.add(subject);

        arguments.add(text);

        arguments.add(fromEmail);

        1.5.0/docs/api/java/lang/String.html">String template;

        template = Globals.EMAIL_MESSAGE_IPP_TEMPLATE_PT;

        List<String> recipients = new ArrayList<String>();

        for(1.5.0/docs/api/java/lang/String.html">String e: emails)

        {

            if(Email.validEmail(e))

                recipients.add(e);

        }

        logger.info("subject: " + subject);

        if(fromEmail == null)

            logger.info("user: " + user.getEmail());

        else

            logger.info("user altered to: " + fromEmail);

        logger.info("template: " + template);

        logger.info("arguments:");

        for(1.5.0/docs/api/java/lang/String.html">String arg: arguments)

            logger.info(arg);

        logger.info("recipients:");

        for(1.5.0/docs/api/java/lang/String.html">String rec: recipients)

            logger.info(rec);

        logger.info("arguments end");

        fromEmail = fromEmail == null ? user.getEmail() : fromEmail;

        Email email = new Email(subject ,recipients,fromEmail,template,arguments,Message.RecipientType.TO);

        email.setFromName(from + " (PAE-IPP)");

        return email;

    }

    public EmailPersonalizedCertificated getMessageEmailAdulteredFromEmailIppCertificated(

            1.5.0/docs/api/java/lang/String.html">String fromEmail, 1.5.0/docs/api/java/lang/String.html">String from, 1.5.0/docs/api/java/lang/String.html">String subject,1.5.0/docs/api/java/lang/String.html">String text, User user,

            List<Long> userIds,

            1.5.0/docs/api/java/lang/String.html">String url

    )

    {

//        # 0 : From

//        # 1 : Subject

//        # 2 : Text

//        # 3 : FromEmail Adultered in message

//        # 4 : URL todo with certificate

        List<String> arguments = new ArrayList<String>();

        arguments.add(from);

        arguments.add(subject);

        arguments.add(text);

        arguments.add(fromEmail);

        1.5.0/docs/api/java/lang/String.html">String template;

        template = Globals.EMAIL_MESSAGE_IPP_TEMPLATE_PT_CERTIFICATED;

        logger.info("Preparing batch work for Personalized Emails Certificated");

        logger.info("subject: " + subject);

        if(fromEmail == null)

            logger.info("user: " + user.getEmail());

        else

            logger.info("user altered to: " + fromEmail);

        logger.info("template: " + template);

        logger.info("arguments:");

        for(1.5.0/docs/api/java/lang/String.html">String arg: arguments)

            logger.info(arg);

        logger.info("userIds:" + userIds);

        logger.info("arguments end");

        fromEmail = fromEmail == null ? user.getEmail() : fromEmail;

        EmailPersonalizedCertificated email = new EmailPersonalizedCertificated(subject ,fromEmail,template,arguments,

                url,

                userIds);

        email.setFromName(from + " (PAE-IPP)");

        return email;

    }

    public Email getMessageEmailOld(1.5.0/docs/api/java/lang/String.html">String from, 1.5.0/docs/api/java/lang/String.html">String subject,1.5.0/docs/api/java/lang/String.html">String text, LangEnum langEnum, 1.5.0/docs/api/java/lang/String.html">String target, List<User> users, User user)

    {

//        # 0 : From

//        # 1 : Subject

//        # 2 : Text

//        # 3 : person

//        # 4 : target

        List<String> arguments = new ArrayList<String>();

        arguments.add(from);

        arguments.add(subject);

        arguments.add(text);

        arguments.add(user.getName());

        arguments.add(target);

        1.5.0/docs/api/java/lang/String.html">String template;

        if(langEnum == LangEnum.PORTUGUESE)

        {

            template = Globals.EMAIL_MESSAGE_TEMPLATE_PT;

        }

        else

        {

            template = Globals.EMAIL_MESSAGE_TEMPLATE_EN;

        }

        List<String> recipients = new ArrayList<String>();

        for(User u: users)

        {

            if(Email.validEmail(u.getEmail()))

                recipients.add(u.getEmail());

            if(Email.validEmail(u.getOutEmail()))

                recipients.add(u.getOutEmail());

        }

        logger.info("subject: " + subject);

        logger.info("user: " + user.getEmail());

        logger.info("template: " + template);

        logger.info("arguments:");

        for(1.5.0/docs/api/java/lang/String.html">String arg: arguments)

            logger.info(arg);

        logger.info("recipients:");

        for(1.5.0/docs/api/java/lang/String.html">String rec: recipients)

            logger.info(rec);

        logger.info("arguments end");

        Email email = new Email(subject ,recipients,user.getEmail(),template,arguments,Message.RecipientType.BCC);

        email.setFromName(from + " (ESTG)");

        return email;

    }

    public Email getCourseUnitAnnouncementEmail(CourseUnitAnnouncement announcement, LangEnum langEnum, 1.5.0/docs/api/java/lang/String.html">String from,  List<User> users)

    {

        List<String> arguments = new ArrayList<String>();

        arguments.add(announcement.getCourseUnit().getName());

        arguments.add(announcement.getTitle());

        arguments.add(announcement.getText());

        arguments.add(from);

        1.5.0/docs/api/java/lang/String.html">String subjectTxt;

        1.5.0/docs/api/java/lang/String.html">String template;

        if(langEnum == LangEnum.PORTUGUESE)

        {

            template = Globals.EMAIL_COURSEUNIT_ANNOUNCEMENT_TEMPLATE_PT;

            subjectTxt = Globals.EMAIL_COURSEUNIT_ANNOUNCEMENT_SUBJECT_PT;

        }

        else

        {

            template = Globals.EMAIL_COURSEUNIT_ANNOUNCEMENT_TEMPLATE_EN;

            subjectTxt = Globals.EMAIL_COURSEUNIT_ANNOUNCEMENT_SUBJECT_EN;

        }

        List<String> recipients = new ArrayList<String>();

        for(User u: users)

        {

            if(Email.validEmail(u.getEmail()))

                recipients.add(u.getEmail());

            if(Email.validEmail(u.getOutEmail()))

                recipients.add(u.getOutEmail());

        }

        1.5.0/docs/api/java/lang/String.html">String subject = java.text.1.5.0/docs/api/java/text/MessageFormat.html">MessageFormat.format(subjectTxt,new 1.5.0/docs/api/java/lang/String.html">String[]{announcement.getCourseUnit().getNormalizedName(),announcement.getTitle()});

        1.5.0/docs/api/java/lang/String.html">String fromEmail = Globals.SYSTEM_EMAIL_BOX;

        if(announcement.getOwner() != null && Email.validEmail(announcement.getOwner().getEmail()))

            fromEmail = announcement.getOwner().getEmail();

        return new Email(subject ,recipients,fromEmail,template,arguments,Message.RecipientType.BCC);

    }

    public Email getCourseUnitBlogPostEmail(BlogPost post, LangEnum langEnum, 1.5.0/docs/api/java/lang/String.html">String from,  List<User> users)

    {

        List<String> arguments = new ArrayList<String>();

        arguments.add(((CourseUnitBlog)post.getBlog()).getCourseUnit().getName());

        arguments.add(post.getTitle());

        arguments.add(post.getText());

        arguments.add(from);

        1.5.0/docs/api/java/lang/String.html">String subjectTxt;

        1.5.0/docs/api/java/lang/String.html">String template;

        if(langEnum == LangEnum.PORTUGUESE)

        {

            template = Globals.EMAIL_COURSEUNIT_BLOGPOST_TEMPLATE_PT;

            subjectTxt = Globals.EMAIL_COURSEUNIT_BLOGPOST_SUBJECT_PT;

        }

        else

        {

            template = Globals.EMAIL_COURSEUNIT_BLOGPOST_TEMPLATE_EN;

            subjectTxt = Globals.EMAIL_COURSEUNIT_BLOGPOST_SUBJECT_EN;

        }

        List<String> recipients = new ArrayList<String>();

        for(User u: users)

        {

            if(Email.validEmail(u.getEmail()))

                recipients.add(u.getEmail());

            if(Email.validEmail(u.getOutEmail()))

                recipients.add(u.getOutEmail());

        }

        1.5.0/docs/api/java/lang/String.html">String subject = java.text.1.5.0/docs/api/java/text/MessageFormat.html">MessageFormat.format(subjectTxt,new 1.5.0/docs/api/java/lang/String.html">String[]{((CourseUnitBlog)post.getBlog()).getCourseUnit().getNormalizedName(),post.getTitle()});

        1.5.0/docs/api/java/lang/String.html">String fromEmail = Globals.SYSTEM_EMAIL_BOX;

        if(post.getOwner() != null && Email.validEmail(post.getOwner().getEmail()))

            fromEmail = post.getOwner().getEmail();

        return new Email(subject ,recipients, fromEmail, template,arguments,Message.RecipientType.BCC);

    }

    public Email getCourseUnitWorkEmail(CourseUnitAssignement assignement, LangEnum langEnum, UserSession userSession,  List<User> users, boolean newWork)

    {

        List<String> arguments = new ArrayList<String>();

        arguments.add(assignement.getCourseUnit().getName());

        arguments.add(assignement.getTitle());

        arguments.add(assignement.getDescription());

        if(userSession != null && userSession.getName() != null)

            arguments.add(userSession.getName());

        else

            arguments.add("unknown");

        arguments.add( DatesUtils.getStringFromDate(assignement.getDeliverDate()));

        //String directUrl = Globals.EMAIL_COURSEUNIT_WORK_RELATIVE_URL;

        //directUrl = Globals.SITE_URL +  MessageFormat.format(directUrl,assignement.getCourseUnit().getId());

        1.5.0/docs/api/java/lang/String.html">String subjectTxt;

        1.5.0/docs/api/java/lang/String.html">String template;

        if(langEnum == LangEnum.PORTUGUESE)

        {

            if(newWork)

                template = Globals.EMAIL_COURSEUNIT_WORK_TEMPLATE_PT;

            else

                template = Globals.EMAIL_COURSEUNIT_WORK_CHANGE_TEMPLATE_PT;

            subjectTxt = Globals.EMAIL_COURSEUNIT_WORK_SUBJECT_PT;

        }

        else

        {

            if(newWork)

                template = Globals.EMAIL_COURSEUNIT_WORK_TEMPLATE_EN;

            else

                template = Globals.EMAIL_COURSEUNIT_WORK_CHANGE_TEMPLATE_EN;

            subjectTxt = Globals.EMAIL_COURSEUNIT_WORK_SUBJECT_EN;

        }

        List<String> recipients = new ArrayList<String>();

        for(User u: users)

        {

            if(Email.validEmail(u.getEmail()))

                recipients.add(u.getEmail());

            if(Email.validEmail(u.getOutEmail()))

                recipients.add(u.getOutEmail());

        }

        1.5.0/docs/api/java/lang/String.html">String subject = java.text.1.5.0/docs/api/java/text/MessageFormat.html">MessageFormat.format(subjectTxt,new 1.5.0/docs/api/java/lang/String.html">String[]{assignement.getCourseUnit().getNormalizedName(),assignement.getTitle()});

        1.5.0/docs/api/java/lang/String.html">String fromEmail = Globals.SYSTEM_EMAIL_BOX;

        if(userSession!= null && userSession.getUser() != null && Email.validEmail(userSession.getUser().getEmail()))

            fromEmail = userSession.getUser().getEmail();

        return new Email(subject ,recipients,fromEmail,template,arguments,Message.RecipientType.BCC);

    }

    public Email getNewGradesEmail(List<String[]> grades, LangEnum langEnum, 1.5.0/docs/api/java/lang/String.html">String studentEmail, 1.5.0/docs/api/java/lang/String.html">String studentName)

    {

        List<String> arguments = new ArrayList<String>();

        1.5.0/docs/api/java/lang/String.html">String subject;

        1.5.0/docs/api/java/lang/String.html">String template;

        if(langEnum == LangEnum.PORTUGUESE)

        {

            template = Globals.EMAIL_NEW_GRADES_TEMPLATE_PT;

            subject = Globals.EMAIL_NEW_GRADES_SUBJECT_PT;

        }

        else

        {

            template = Globals.EMAIL_NEW_GRADES_TEMPLATE_EN;

            subject = Globals.EMAIL_NEW_GRADES_SUBJECT_EN;

        }

        1.5.0/docs/api/java/lang/StringBuilder.html">StringBuilder gradesBuilder = new 1.5.0/docs/api/java/lang/StringBuilder.html">StringBuilder();

        for(1.5.0/docs/api/java/lang/String.html">String[] grade:  grades)

        {

            1.5.0/docs/api/java/lang/String.html">String gradeTxt = TemplateUtils.formatMessageTemplate(gradeUnitTemplate,grade);

            gradesBuilder.append(gradeTxt);

        }

        arguments.add(studentName);

        arguments.add(gradesBuilder.toString());

        List<String> recipients = new ArrayList<String>();

        recipients.add(studentEmail);

        return new Email(subject ,recipients, Globals.SYSTEM_EMAIL_BOX,template,arguments);

    }

    public Email getSummaryEmail(List<String> emails, CourseUnitSummary cUS, CourseUnit c, LangEnum langEnum)

    {

        List<String> arguments = new ArrayList<String>();

        1.5.0/docs/api/java/lang/String.html">String data = DatesUtils.getStringFromDate(cUS.getDataAula());

        1.5.0/docs/api/java/lang/String.html">String subject;

        1.5.0/docs/api/java/lang/String.html">String template;

        if(langEnum == LangEnum.PORTUGUESE)

        {

            template = Globals.EMAIL_SUMMARY_TEMPLATE_PT;

            subject = Globals.EMAIL_SUMMARY_SUBJECT_PT;

        }

        else

        {

            template = Globals.EMAIL_SUMMARY_TEMPLATE_EN;

            subject = Globals.EMAIL_SUMMARY_SUBJECT_EN;

        }

        subject = TemplateUtils.formatMessageTemplate(subject,new 1.5.0/docs/api/java/lang/String.html">String[]{c.getName()});

        arguments.add(c.getName());

        arguments.add(""+cUS.getNumeroAula());

        arguments.add(data);

        arguments.add(cUS.getTitulo());

        arguments.add(cUS.getDescricao());

        List<String> recipients = new ArrayList<String>();

        for(1.5.0/docs/api/java/lang/String.html">String email:emails)

            recipients.add(email);

        return new Email(subject ,recipients, Globals.SYSTEM_EMAIL_BOX,template,arguments);

    }

    //TODO TESTAR