Java Code Examples for javax.mail.Folder#exists()

/**
 * Set destination folder
 *
 * @param foldername   destination foldername
 * @param createFolder flag create folder if needed
 * @throws HopException
 */
public void setDestinationFolder( String foldername, boolean createFolder ) throws HopException {
  try {
    String[] folderparts = foldername.split( "/" );
    Folder f = this.getStore().getDefaultFolder();
    // Open destination folder
    for ( int i = 0; i < folderparts.length; i++ ) {
      f = f.getFolder( folderparts[ i ] );
      if ( !f.exists() ) {
        if ( createFolder ) {
          // Create folder
          f.create( Folder.HOLDS_MESSAGES );
        } else {
          throw new HopException( BaseMessages.getString( PKG, "MailConnection.Error.FolderNotFound", foldername ) );
        }
      }
    }
    this.destinationIMAPFolder = f;
  } catch ( Exception e ) {
    throw new HopException( e );
  }
}
 

public int getEmailCountInFolder(String user, String password, String folderName) throws Exception {
    if (server instanceof SmtpServer) {
        throw new Exception("SMTP not applicable for reading folders");
    }

    Store store = server.createStore();
    store.connect(user, password);

    Folder newFolder = store.getFolder(folderName);
    if (! newFolder.exists()) {
        throw new Exception("No folder with name " + folderName);
    }

    newFolder.open(Folder.READ_ONLY);
    return newFolder.getMessageCount();
}
 

public List<EMailMessageModel> getEmailsInFolder(String user, String password, String folderName) throws Exception {
    if (server instanceof SmtpServer) {
        throw new Exception("SMTP not applicable for reading folders");
    }

    Store store = server.createStore();
    store.connect(user, password);

    Folder newFolder = store.getFolder(folderName);
    if (! newFolder.exists()) {
        throw new Exception("No folder with name " + folderName);
    }

    newFolder.open(Folder.READ_ONLY);
    List<EMailMessageModel> models = new ArrayList<>();
    for (Message msg : newFolder.getMessages()) {
        models.add(createMessageModel(msg));
    }

    return models;
}
 

private static void clear(Folder folder) throws MessagingException {
	if(folder.exists() && (folder.getType() & Folder.HOLDS_MESSAGES) == Folder.HOLDS_MESSAGES) {
		int totMessages = folder.getMessageCount();
		System.out.println(totMessages + " messages from folder: " + folder.getFullName());
		folder.open(Folder.READ_WRITE);
		Message[] messages = folder.getMessages();
		for (int i = 0; i < messages.length; i++) {
			System.out.println("Deleting message: " + (i+1) + " of " + totMessages);
			messages[i].setFlag(Flags.Flag.DELETED, true);
		}
		folder.close(true);
	}
	Folder[] childs = folder.list();
	for (int i = 0; i < childs.length; i++) {
		clear(childs[i]);
	}
}
 

public void createFolder( String newFolder ){
	if ( newFolder.length() == 0 )
		return;
	
   try{
   
     Folder folderToUse = mailStore.getFolder( newFolder );
		
		if ( !folderToUse.exists() ){
			folderToUse.create( Folder.HOLDS_FOLDERS | Folder.HOLDS_MESSAGES );
		}
		
     setData( "succeeded", 	cfBooleanData.TRUE );
   
   } catch (Exception E ){
     setData( "errortext", 	new cfStringData( E.getMessage() ) );
     setData( "succeeded", 	cfBooleanData.FALSE );
   }
	
	setTotalMessages( 0 );
}
 

public void deleteFolder( String folderToDelete ){
	if ( folderToDelete.length() == 0 )
		return;

   try{
   
     Folder folderToUse = mailStore.getFolder( folderToDelete );
		
		if ( folderToUse.exists() ){
			folderToUse.delete( true );
		}
		
     setData( "succeeded", 	cfBooleanData.TRUE );
     
   } catch (Exception E ){
     setData( "errortext", 	new cfStringData( E.getMessage() ) );
     setData( "succeeded", 	cfBooleanData.FALSE );
   }
	
	setTotalMessages( 0 );
}
 

public void renameFolder( String oldFolder, String newFolder ){
	
	if ( oldFolder.length() == 0 || newFolder.length() == 0 )
		return;
	
   try{
   
     Folder folderToUse 		= mailStore.getFolder( oldFolder );
		Folder newfolderToUse = mailStore.getFolder( newFolder );
		
		if ( folderToUse.exists() && !newfolderToUse.exists() ){
			folderToUse.renameTo( newfolderToUse );
		}
		
     setData( "succeeded", 	cfBooleanData.TRUE );
   
   } catch (Exception E ){
     setData( "errortext", 	new cfStringData( E.getMessage() ) );
     setData( "succeeded", 	cfBooleanData.FALSE );
   }
	
	setTotalMessages( 0 );
}
 

/**
 * Set destination folder
 *
 * @param foldername
 *          destination foldername
 * @param createFolder
 *          flag create folder if needed
 * @throws KettleException
 */
public void setDestinationFolder( String foldername, boolean createFolder ) throws KettleException {
  try {
    String[] folderparts = foldername.split( "/" );
    Folder f = this.getStore().getDefaultFolder();
    // Open destination folder
    for ( int i = 0; i < folderparts.length; i++ ) {
      f = f.getFolder( folderparts[i] );
      if ( !f.exists() ) {
        if ( createFolder ) {
          // Create folder
          f.create( Folder.HOLDS_MESSAGES );
        } else {
          throw new KettleException( BaseMessages.getString( PKG, "MailConnection.Error.FolderNotFound", foldername ) );
        }
      }
    }
    this.destinationIMAPFolder = f;
  } catch ( Exception e ) {
    throw new KettleException( e );
  }
}
 

public void generateFolder(String user, String password, String folderName) throws Exception {
    if (server instanceof SmtpServer) {
        throw new Exception("SMTP not applicable for generating folders");
    }

    Store store = server.createStore();
    store.connect(user, password);

    Folder newFolder = store.getFolder(folderName);
    if (! newFolder.exists()) {
        newFolder.create(Folder.HOLDS_MESSAGES);
        assertTrue(newFolder.exists());
    }

    newFolder.open(Folder.READ_WRITE);
    assertTrue(newFolder.isOpen());

    List<MimeMessage> msgs = new ArrayList<>();
    for (int i = 1; i <= 5; ++i) {
        // Use random content to avoid potential residual lingering problems
        String subject = folderName + SPACE + HYPHEN + SPACE + GreenMailUtil.random();
        String body = folderName + NEW_LINE + GreenMailUtil.random();
        GreenMailUser greenUser = greenMail.setUser(user, password);
        msgs.add(createTextMessage(greenUser.getEmail(), "Ben" + i + "@test.com", subject, body)); // Construct message
    }

    newFolder.appendMessages(msgs.toArray(new MimeMessage[0]));
    assertEquals(msgs.size(), newFolder.getMessageCount());
}
 

@Override
public synchronized void copyMessages(final Message[] msgs, final Folder folder) throws MessagingException {
    abortIdle();
    checkOpened();
    checkExists();
    if (msgs == null || folder == null || msgs.length == 0) {
        return;
    }

    if (!folder.exists()) {
        throw new FolderNotFoundException(folder.getFullName() + " does not exist", folder);
    }

    folder.appendMessages(msgs);
}
 

protected void checkMessages(Store store, Session session) throws MessagingException {
    if (!store.isConnected()) {
        store.connect();
    }

    // open the default folder
    Folder folder = store.getDefaultFolder();
    if (!folder.exists()) {
        throw new MessagingException("No default (root) folder available");
    }

    // open the inbox
    folder = folder.getFolder(INBOX);
    if (!folder.exists()) {
        throw new MessagingException("No INBOX folder available");
    }

    // get the message count; stop if nothing to do
    folder.open(Folder.READ_WRITE);
    int totalMessages = folder.getMessageCount();
    if (totalMessages == 0) {
        folder.close(false);
        return;
    }

    // get all messages
    Message[] messages = folder.search(new FlagTerm(new Flags(Flags.Flag.SEEN), false));
    FetchProfile profile = new FetchProfile();
    profile.add(FetchProfile.Item.ENVELOPE);
    profile.add(FetchProfile.Item.FLAGS);
    profile.add("X-Mailer");
    folder.fetch(messages, profile);

    // process each message
    for (Message message: messages) {
        // process each un-read message
        if (!message.isSet(Flags.Flag.SEEN)) {
            long messageSize = message.getSize();
            if (message instanceof MimeMessage && messageSize >= maxSize) {
                Debug.logWarning("Message from: " + message.getFrom()[0] + "not received, too big, size:" + messageSize + " cannot be more than " + maxSize + " bytes", module);

                // set the message as read so it doesn't continue to try to process; but don't delete it
                message.setFlag(Flags.Flag.SEEN, true);
            } else {
                this.processMessage(message, session);
                if (Debug.verboseOn()) {
                    Debug.logVerbose("Message from " + UtilMisc.toListArray(message.getFrom()) + " with subject [" + message.getSubject() + "]  has been processed." , module);
                }
                message.setFlag(Flags.Flag.SEEN, true);
                if (Debug.verboseOn()) {
                    Debug.logVerbose("Message [" + message.getSubject() + "] is marked seen", module);
                }

                // delete the message after processing
                if (deleteMail) {
                    if (Debug.verboseOn()) {
                        Debug.logVerbose("Message [" + message.getSubject() + "] is being deleted", module);
                    }
                    message.setFlag(Flags.Flag.DELETED, true);
                }
            }
        }
    }

    // expunge and close the folder
    folder.close(true);
}
 

protected void fetch(final Pattern unusedPattern, final String unusedFolderName) throws MessagingException, IOException {

        logger.debug("fetch() - folderName: {}", "INBOX");

        final Store store = Session.getInstance(props).getStore();
        store.connect(user, password);

        final Folder folder = store.getDefaultFolder();
        try {

            if (!folder.exists()) {
                logger.error("Folder {} does not exist on the server", folder.getFullName());
                return;
            }

            IMAPUtils.open(folder);

            recurseFolders(folder, null);

        } finally {

            IMAPUtils.close(folder);
            IMAPUtils.close(store);
        }
    }
 

protected void createInitialIMAPTestdata(final Properties props, final String user, final String password, final int count,
        final boolean deleteall) throws MessagingException {
    final Session session = Session.getInstance(props);
    final Store store = session.getStore();
    store.connect(user, password);
    checkStoreForTestConnection(store);
    final Folder root = store.getDefaultFolder();
    final Folder testroot = root.getFolder("ES-IMAP-RIVER-TESTS");
    final Folder testrootl2 = testroot.getFolder("Level(2!");

    if (deleteall) {

        deleteMailsFromUserMailbox(props, "INBOX", 0, -1, user, password);

        if (testroot.exists()) {
            testroot.delete(true);
        }

        final Folder testrootenamed = root.getFolder("renamed_from_ES-IMAP-RIVER-TESTS");
        if (testrootenamed.exists()) {
            testrootenamed.delete(true);
        }

    }

    if (!testroot.exists()) {

        testroot.create(Folder.HOLDS_FOLDERS & Folder.HOLDS_MESSAGES);
        testroot.open(Folder.READ_WRITE);

        testrootl2.create(Folder.HOLDS_FOLDERS & Folder.HOLDS_MESSAGES);
        testrootl2.open(Folder.READ_WRITE);

    }

    final Folder inbox = root.getFolder("INBOX");
    inbox.open(Folder.READ_WRITE);

    final Message[] msgs = new Message[count];

    for (int i = 0; i < count; i++) {
        final MimeMessage message = new MimeMessage(session);
        message.setFrom(new InternetAddress(EMAIL_TO));
        message.addRecipient(Message.RecipientType.TO, new InternetAddress(EMAIL_USER_ADDRESS));
        message.setSubject(EMAIL_SUBJECT + "::" + i);
        message.setText(EMAIL_TEXT + "::" + SID++);
        message.setSentDate(new Date());
        msgs[i] = message;

    }

    inbox.appendMessages(msgs);
    testroot.appendMessages(msgs);
    testrootl2.appendMessages(msgs);

    IMAPUtils.close(inbox);
    IMAPUtils.close(testrootl2);
    IMAPUtils.close(testroot);
    IMAPUtils.close(store);

}
 

public static void open(final Folder folder) throws MessagingException {

        if (folder != null && folder.exists() && !folder.isOpen() && (folder.getType() & Folder.HOLDS_MESSAGES) != 0) {
            folder.open(Folder.READ_ONLY);
        }

    }