Source Code : Get Attachment File Name

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Get Attachment File Name

import java.util.Properties;

import javax.mail.Authenticator;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.Part;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.URLName;
import javax.mail.internet.InternetAddress;

public class MainClass {

  public static void main(String[] args) throws Exception {
    URLName server = new URLName("protocol://username@host/foldername");

    Session session = Session.getDefaultInstance(new Properties(), new MailAuthenticator());

    Folder folder = session.getFolder(server);
    if (folder == null) {
      System.out.println("Folder " + server.getFile() + " not found.");
      System.exit(1);
    }
    folder.open(Folder.READ_ONLY);

    Message[] messages = folder.getMessages();
    for (int i = 0; i < messages.length; i++) {
      System.out.println(messages[i].getSize() + " bytes long.");
      System.out.println(messages[i].getLineCount() + " lines.");
      String disposition = messages[i].getDisposition();
      if (disposition == null){
        ; // do nothing
      }else if (disposition.equals(Part.INLINE)) {
        System.out.println("This part should be displayed inline");
      } else if (disposition.equals(Part.ATTACHMENT)) {
        System.out.println("This part is an attachment");
        String fileName = messages[i].getFileName();
        System.out.println("The file name of this attachment is " + fileName);
      }
      String description = messages[i].getDescription();
      if (description != null) {
        System.out.println("The description of this message is " + description);
      }
    }
    folder.close(false);
  }
}

class MailAuthenticator extends Authenticator {

  public MailAuthenticator() {
  }

  public PasswordAuthentication getPasswordAuthentication() {
    return new PasswordAuthentication("username", "password");
  }
}


           
       

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