private static void createSiteLinksFeedItems(
      AdWordsServices adWordsServices, AdWordsSession session, SiteLinksDataHolder siteLinksData)
      throws Exception {
    // Get the FeedItemService.
    FeedItemServiceInterface feedItemService =
        adWordsServices.get(session, FeedItemServiceInterface.class);

    // Create operations to add FeedItems.
    FeedItemOperation home =
        newSiteLinkFeedItemAddOperation(
            siteLinksData, "Home", "http://www.example.com", "Home line 1", "Home line 2");
    FeedItemOperation stores =
        newSiteLinkFeedItemAddOperation(
            siteLinksData,
            "Stores",
            "http://www.example.com/stores",
            "Stores line 1",
            "Stores line 2");
    FeedItemOperation onSale =
        newSiteLinkFeedItemAddOperation(
            siteLinksData,
            "On Sale",
            "http://www.example.com/sale",
            "On Sale line 1",
            "On Sale line 2");
    FeedItemOperation support =
        newSiteLinkFeedItemAddOperation(
            siteLinksData,
            "Support",
            "http://www.example.com/support",
            "Support line 1",
            "Support line 2");
    FeedItemOperation products =
        newSiteLinkFeedItemAddOperation(
            siteLinksData,
            "Products",
            "http://www.example.com/prods",
            "Products line 1",
            "Products line 2");
    FeedItemOperation aboutUs =
        newSiteLinkFeedItemAddOperation(
            siteLinksData,
            "About Us",
            "http://www.example.com/about",
            "About Us line 1",
            "About Us line 2");

    FeedItemOperation[] operations =
        new FeedItemOperation[] {home, stores, onSale, support, products, aboutUs};

    FeedItemReturnValue result = feedItemService.mutate(operations);
    for (FeedItem item : result.getValue()) {
      System.out.printf("FeedItem with feedItemId %d was added.\n", item.getFeedItemId());
      siteLinksData.siteLinkFeedItemIds.add(item.getFeedItemId());
    }
  }
  private static FeedItemOperation newSiteLinkFeedItemAddOperation(
      SiteLinksDataHolder siteLinksData, String text, String finalUrl, String line1, String line2) {
    // Create the FeedItemAttributeValues for our text values.
    FeedItemAttributeValue linkTextAttributeValue = new FeedItemAttributeValue();
    linkTextAttributeValue.setFeedAttributeId(siteLinksData.linkTextFeedAttributeId);
    linkTextAttributeValue.setStringValue(text);
    FeedItemAttributeValue linkFinalUrlAttributeValue = new FeedItemAttributeValue();
    linkFinalUrlAttributeValue.setFeedAttributeId(siteLinksData.linkFinalUrlFeedAttributeId);
    linkFinalUrlAttributeValue.setStringValues(new String[] {finalUrl});
    FeedItemAttributeValue line1TextAttributeValue = new FeedItemAttributeValue();
    line1TextAttributeValue.setFeedAttributeId(siteLinksData.line1FeedAttributeId);
    line1TextAttributeValue.setStringValue(line1);
    FeedItemAttributeValue line2TextAttributeValue = new FeedItemAttributeValue();
    line2TextAttributeValue.setFeedAttributeId(siteLinksData.line2FeedAttributeId);
    line2TextAttributeValue.setStringValue(line2);

    // Create the feed item and operation.
    FeedItem item = new FeedItem();
    item.setFeedId(siteLinksData.siteLinksFeedId);
    item.setAttributeValues(
        new FeedItemAttributeValue[] {
          linkTextAttributeValue,
          linkFinalUrlAttributeValue,
          line1TextAttributeValue,
          line2TextAttributeValue
        });

    // Optional: use item.setStartTime() and item.setEndTime() to specify the
    // time period for the feed to deliver.  The example below will make the feed
    // start now and stop in one month.
    // Make sure you specify the DateTime in the customer's time zone.  You can
    // retrieve this from customer.getDateTimeZone().
    //   item.setStartTime(new DateTime(customerTimeZone).toString("yyyyMMdd HHmmss"));
    //   item.setEndTime(new DateTime(customerTimeZone).plusMonths(1).toString("yyyyMMdd HHmmss"));

    // Optional: use item.setScheduling() to specify time and days of the week for feed to deliver.
    FeedItemOperation operation = new FeedItemOperation();
    operation.setOperand(item);
    operation.setOperator(Operator.ADD);
    return operation;
  }