uploadDocToKC

	/*An example of uploading a document to the KC */
  
  public void uploadDocumentToAppianKC(
			ContentService contentService, 
			byte[] bytes, 
			String extFileName,
			Long folderId,
			String uniqueIdentifier) throws InvalidContentException, StorageLimitException, PrivilegeException,
					InsufficientNameUniquenessException, DuplicateUuidException, IOException {

		if (bytes.length > 0) {
			Document newDocument = new Document();
			newDocument.setExternalFilename(extFileName);
			final String fileExtention = extFileName.substring(extFileName.lastIndexOf('.') + 1);
			

			try {
				String folderName = contentService.getVersion((Long) folderId, ContentConstants.VERSION_CURRENT)
						.getDisplayName();
				
			} catch (InvalidVersionException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			
			if (extFileName.lastIndexOf('.') > 0) {
				if (extFileName.lastIndexOf('\\') > 0) {
					newDocument.setName(
							extFileName.substring(extFileName.lastIndexOf('\\') + 1, extFileName.lastIndexOf('.')));
				} else {
					newDocument.setName(extFileName.substring(0, extFileName.lastIndexOf('.')));
				}
			} else if (extFileName.lastIndexOf('\\') > 0) {
				newDocument.setName(extFileName.substring(extFileName.lastIndexOf('\\') + 1, extFileName.length() - 1));
			} else {
				newDocument.setName(extFileName);
			}

			newDocument.setParent(folderId.longValue());
			if (newDocument.getExternalFilename().lastIndexOf('.') > 0) {
				newDocument.setExtension(fileExtention);
			}
			newDocument.setSize(bytes.length);
			newDocument.setDescription("Unique Identifier: " + uniqueIdentifier);
			
			ContentOutputStream stream = contentService.upload(newDocument, ContentConstants.UNIQUE_NONE);
			stream.write(bytes);
			stream.flush();
			stream.close();
			
			return;
		}
	}