Java Code Examples for microsoft.exchange.webservices.data.core.ExchangeService#findItems()

The following examples show how to use microsoft.exchange.webservices.data.core.ExchangeService#findItems() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ConsumeEWS.java    From localization_nifi with Apache License 2.0 4 votes vote down vote up 
/**
 * Fills the internal message queue if such queue is empty. This is due to
 * the fact that per single session there may be multiple messages retrieved
 * from the email server (see FETCH_SIZE).
 */
protected void fillMessageQueueIfNecessary(ProcessContext context) throws ProcessException {
    if (this.messageQueue.isEmpty()) {
        ExchangeService service = this.initializeIfNecessary(context);
        boolean deleteOnRead = context.getProperty(SHOULD_DELETE_MESSAGES).getValue().equals("true");
        boolean markAsRead = context.getProperty(SHOULD_MARK_READ).getValue().equals("true");

        try {
            //Get Folder
            Folder folder = getFolder(service);

            ItemView view = new ItemView(messageQueue.remainingCapacity());
            view.getOrderBy().add(ItemSchema.DateTimeReceived, SortDirection.Ascending);

            SearchFilter sf = new SearchFilter.SearchFilterCollection(LogicalOperator.And, new SearchFilter.IsEqualTo(EmailMessageSchema.IsRead, false));
            FindItemsResults<Item> findResults = service.findItems(folder.getId(), sf, view);

            if(findResults == null || findResults.getItems().size()== 0){
                return;
            }

            service.loadPropertiesForItems(findResults, PropertySet.FirstClassProperties);

            for (Item item : findResults) {
                EmailMessage ewsMessage = (EmailMessage) item;
                messageQueue.add(parseMessage(ewsMessage));

                if(deleteOnRead){
                    ewsMessage.delete(DeleteMode.HardDelete);
                } else if(markAsRead){
                    ewsMessage.setIsRead(true);
                    ewsMessage.update(ConflictResolutionMode.AlwaysOverwrite);
                }
            }

            service.close();
        } catch (Exception e) {
            throw new ProcessException("Failed retrieving new messages from EWS.", e);
        }
    }
}
Example 2
Source File: ConsumeEWS.java    From nifi with Apache License 2.0 4 votes vote down vote up 
/**
 * Fills the internal message queue if such queue is empty. This is due to
 * the fact that per single session there may be multiple messages retrieved
 * from the email server (see FETCH_SIZE).
 */
protected void fillMessageQueueIfNecessary(ProcessContext context) throws ProcessException {
    if (this.messageQueue.isEmpty()) {
        ExchangeService service = this.initializeIfNecessary(context);
        boolean deleteOnRead = context.getProperty(SHOULD_DELETE_MESSAGES).getValue().equals("true");
        boolean markAsRead = context.getProperty(SHOULD_MARK_READ).getValue().equals("true");
        String includeHeaders = context.getProperty(INCLUDE_EMAIL_HEADERS).getValue();
        String excludeHeaders = context.getProperty(EXCLUDE_EMAIL_HEADERS).getValue();

        List<String> includeHeadersList = null;
        List<String> excludeHeadersList = null;

        if (!StringUtils.isEmpty(includeHeaders)) {
            includeHeadersList = Arrays.asList(includeHeaders.split(","));
        }

        if (!StringUtils.isEmpty(excludeHeaders)) {
            excludeHeadersList = Arrays.asList(excludeHeaders.split(","));
        }

        try {
            //Get Folder
            Folder folder = getFolder(service);

            ItemView view = new ItemView(messageQueue.remainingCapacity());
            view.getOrderBy().add(ItemSchema.DateTimeReceived, SortDirection.Ascending);

            SearchFilter sf = new SearchFilter.SearchFilterCollection(LogicalOperator.And, new SearchFilter.IsEqualTo(EmailMessageSchema.IsRead, false));
            FindItemsResults<Item> findResults = service.findItems(folder.getId(), sf, view);

            if(findResults == null || findResults.getItems().size()== 0){
                return;
            }

            service.loadPropertiesForItems(findResults, PropertySet.FirstClassProperties);

            for (Item item : findResults) {
                EmailMessage ewsMessage = (EmailMessage) item;
                messageQueue.add(parseMessage(ewsMessage,includeHeadersList,excludeHeadersList));

                if(deleteOnRead){
                    ewsMessage.delete(DeleteMode.HardDelete);
                } else if(markAsRead){
                    ewsMessage.setIsRead(true);
                    ewsMessage.update(ConflictResolutionMode.AlwaysOverwrite);
                }
            }

            service.close();
        } catch (Exception e) {
            throw new ProcessException("Failed retrieving new messages from EWS.", e);
        }
    }
}