protected String copyToDam(final Node dataNodeResource) throws RepositoryException {

        String nodeIdentifier = "";
        final String binaryPath = dataNodeResource.getPath();
        final String fileName = createFileName(dataNodeResource);
        // Check
        if (this.damUploadedRootNode.hasNode(binaryPath.replaceFirst("/", "") + "/" + fileName)) {
            final String targetPath = this.damUploadedRootNode.getPath() + "/" + binaryPath;
            log.warn("'{}' path already exists in dam repository. Uploaded file will not be migrated '{}'", targetPath, binaryPath);
            return null;
        }

        // Create an AssetNode
        final Node assetNode = createAssetNodeAndSubFolder(this.damUploadedRootNode, binaryPath, fileName);
        nodeIdentifier = assetNode.getIdentifier();
        updateAssetProperty(assetNode, dataNodeResource);
        // Create resource Node
        final Node assetNodeResource = assetNode.addNode(AssetNodeTypes.AssetResource.RESOURCE_NAME, AssetNodeTypes.AssetResource.NAME);
        updateResourceProperty(assetNodeResource, dataNodeResource);

        // Save
        this.damSession.save();

        return nodeIdentifier;
    }