modifier la taille de la pièce jointe envoie mail avec javamail

Question

bonjour a tous,

mon code permet d'envoyer un mail avec une pièce jointe avec api javamail. 
es qu&#8217;il est possible de modifier ou régler la taille d'une pièce jointe ?la taille de la pièce jointe ne doit pas etre supérieur a 100ko.

voici mon code:


import java.util.Date;
import java.util.Properties;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
//import javax.mail.Address;
import javax.mail.Message;
import javax.mail.MessagingException;
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;

public class EmailAttachmentDemo {

    private String from, to, bodyText, subject;
    private String smtp, filename;
    private int port;

    public String getFilename() {
        return filename;
    }

    public void setFilename(String filename) {
        this.filename = filename;
    }

    public String getFrom() {
        return from;
    }

    public String getBodyText() {
        return bodyText;
    }

    public void setBodyText(String bodyText) {
        this.bodyText = bodyText;
    }

    public int getPort() {
        return port;
    }

    public String getSmtp() {
        return smtp;
    }

    public String getSubject() {
        return subject;
    }

    public String getTo() {
        return to;
    }

    public void setFrom(String from) {
        this.from = from;
    }

    public void setPort(int port) {
        this.port = port;
    }

    public void setSmtp(String smtp) {
        this.smtp = smtp;
    }

    public void setSubject(String subject) {
        this.subject = subject;
    }

    public void setTo(String to) {
        this.to = to;
    }

    public EmailAttachmentDemo(String from, String to, String bodyText, String subject, String filename) {
        this.from = from;
        this.to = to;
        this.bodyText = bodyText;
        this.subject = subject;
        this.filename = filename;
        this.smtp = "smtp.topnet.tn";
        this.port = 25;
    }

    public boolean validmail(String email) {
        Pattern p = Pattern.compile("^[a-zA-Z]+[.]+[a-zA-Z]+@[a-zA-Z.]{2,}[.][a-zA-Z]{2,4}$");
        Matcher m = p.matcher(email);
        if (m.matches() == true) {
            return true;
        } else {
            System.out.println("email non valider");
            return false;
        }
    }

    public boolean sendEmail() {
        if (!validmail(getFrom())) {
            return false;
        }
        if (!validmail(getTo())) {
            return false;
        }

        Properties properties = new Properties();
        properties.put("mail.smtp.host", getSmtp());
        properties.put("mail.smtp.port", getPort());

        Session session = Session.getDefaultInstance(properties, null);
        try {
            MimeMessage message = new MimeMessage(session);
            message.setFrom(new InternetAddress(getFrom()));
            message.setRecipient(Message.RecipientType.TO, new InternetAddress(getTo()));


            message.setSubject(getSubject());
            message.setSentDate(new Date());
            

            MimeBodyPart messagePart = new MimeBodyPart();
            messagePart.setText(getBodyText());

            MimeBodyPart attachmentPart = new MimeBodyPart();

            FileDataSource fileDataSource = new FileDataSource(getFilename()) {

                @Override
                public String getContentType() {
                    return "application/octet-stream";
                }
            };

            attachmentPart.setDataHandler(new DataHandler(fileDataSource));
            attachmentPart.setFileName(getFilename());
            Multipart multipart = new MimeMultipart();
            multipart.addBodyPart(messagePart);
            multipart.addBodyPart(attachmentPart);
            message.setContent(multipart);


            Transport.send(message);

            System.out.println("mail envoyée");
            return true;
        } catch (MessagingException e) {
            System.out.println("mail non envoyée");
            //  e.printStackTrace();
            return false;

        }

    }

    public static void main(String[] args) {
        String from = "Chhibi.Ahmed@yahoo.fr";
        String des = "chhibi.ahmed@gmail.com";
        String msg = "bonjour";
        String subject = "mailattachment";
        String filename = "test.xlsx";

        EmailAttachmentDemo demo = new EmailAttachmentDemo(from, des, msg, subject, filename);
        if (!demo.sendEmail()) {
            System.out.println("email non envoyée");
        }
    }
}

cs_Julien39 · Answer

Bonjour,

Je ne sais pas si tu peux modifier la taille avec javamail, mais en tout cas, tu peux toujours le faire avec java en utilisant JAI : http://java.sun.com/javase/technologies/desktop/media/jai/

Modifier la taille de la pièce jointe envoie mail avec javamail

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