MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

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");
    }
}