Smrf.NodeXL.GraphMLLib.TwitterSearchNetworkGraphMLUtil.TryAppendVertexXmlNode C# (CSharp) Method

    TryAppendVertexXmlNode
    (
        Dictionary<String, Object> userValueDictionary,
        Boolean includeStatistics,
        Boolean userTweetedSearchTerm,
        GraphMLXmlDocument graphMLXmlDocument,
        Dictionary<String, TwitterUser> userIDDictionary,
        out TwitterUser twitterUser
    )
    {
        Debug.Assert(userValueDictionary != null);
        Debug.Assert(graphMLXmlDocument != null);
        Debug.Assert(userIDDictionary != null);

        twitterUser = null;

        String screenName, userID;

        if (
            !TwitterJsonUtil.TryGetJsonValueFromDictionary(userValueDictionary,
                "screen_name", out screenName)
            ||
            !TwitterJsonUtil.TryGetJsonValueFromDictionary(userValueDictionary,
                "id_str", out userID)
            )
        {
            return (false);
        }

        screenName = screenName.ToLower();

        Boolean isFirstTweetForAuthor =
            TwitterGraphMLUtil.TryAppendVertexXmlNode(
                screenName, userID, graphMLXmlDocument, userIDDictionary,
                out twitterUser);

        if (isFirstTweetForAuthor)
        {
            TwitterGraphMLUtil.AppendCommonUserInformationFromValueDictionary(
                userValueDictionary, graphMLXmlDocument, twitterUser);

            if (includeStatistics)
            {
                TwitterGraphMLUtil.AppendUserStatisticsFromValueDictionary(
                    userValueDictionary, graphMLXmlDocument, twitterUser);
            }

            AppendTweetedSearchTermGraphMLAttributeValue(
                graphMLXmlDocument, twitterUser, userTweetedSearchTerm);
        }

        return (true);
    }