gov.va.medora.mdws.MdwsUtils.parseSiteList C# (CSharp) Method

        public static Site[] parseSiteList(SiteTable siteTable, String siteList)
        {
            if (siteList == null || siteList == "")
            {
                throw new ArgumentException("Invalid sitelist: no sites specified");
            }
            ArrayList lst = new ArrayList();
            if (siteList == "*")
            {
                IEnumerator e = siteTable.Sites.Values.GetEnumerator();
                while (e.MoveNext())
                {
                    lst.Add((Site)e.Current);
                }
                return (Site[])lst.ToArray(typeof(Site));
            }

            siteList = siteList.ToUpper();
            String[] items = StringUtils.split(siteList, StringUtils.COMMA);
            Hashtable siteIds = new Hashtable();
            for (int i = 0; i < items.Length; i++)
            {
                items[i] = items[i].Trim();
                if (items[i] == "*")
                {
                    throw new ArgumentException("Invalid sitelist: * must be only arg");
                }
                else if (items[i][0] == 'V')
                {
                    Region visn = siteTable.getRegion(items[i].Substring(1));
                    if (visn == null)
                    {
                        throw new ArgumentException("Invalid sitelist: invalid VISN: " + visn);
                    }
                    ArrayList sites = visn.Sites;
                    for (int j = 0; j < sites.Count; j++)
                    {
                        lst.Add((Site)sites[j]);
                    }
                }
                else
                {
                    Site site = siteTable.getSite(items[i]);
                    if (site == null)
                    {
                        throw new ArgumentException("Invalid sitelist: nonexistent sitecode: " + items[i]);
                    }
                    if (siteIds.ContainsKey(items[i]))   // duplicate sitecode - skip it
                    {
                        throw new ArgumentException("Invalid sitelist: duplicate sitecode: " + items[i]);
                    }
                    lst.Add(siteTable.getSite(items[i]));
                    siteIds.Add(items[i], "");
                }
            }
            return (Site[])lst.ToArray(typeof(Site));
        }

        /// <summary>
        /// Visit multiple data sources after a login.
        /// </summary>
        /// <remarks>
        /// Requires a previous login so the credentials are already in mySession and are
        /// not altered.  Can visit a single source or multiple sources.  Sources may be
        /// VAMCs, VISNs, some combination of VAMCs and VISNs, or the entire VHA.  See the
        /// sourceList parameter.
        /// </remarks>
        /// <param name="pwd">Client app's BSE security phrase</param>
        /// <param name="sourceList">
        /// A comma-delimited list of station numbers and/or VISN IDs, as in
        /// "402,550" or "V12,V22" or "V1,V2,456".  To visit all VistA systems set the param
        /// to "*".  Duplicate station #'s are ignored.
        /// </param>
        /// <param name="permissionString">If blank defaults to CPRS context</param>
        /// <returns>TaggedTextArray: each site with user DUZ or an error message</returns>
        public TaggedTextArray visitSites(string pwd, string sourceList, string permissionString)
        {
            TaggedTextArray result = new TaggedTextArray();

            //Say the magic word
            // TBD - needed?????
            //if (pwd != mySession.AppPwd)
            //{
            //    result.fault = new FaultTO("Invalid application password");
            //}
            if (mySession == null || mySession.SiteTable == null)
            {
                result.fault = new FaultTO("No site table");
            }
            else if (sourceList == "")
            {
                result.fault = new FaultTO("Missing sitelist");
            }
            //else if (mySession.user == null)
            //{
            //    result.fault = new FaultTO("No logged in user");
            //}
            else if (mySession.Credentials == null)
            {
                result.fault = new FaultTO("Cannot use this method without previous login");
            }
            if (result.fault != null)
            {
                return(result);
            }

            Site[]            sites   = MdwsUtils.parseSiteList(mySession.SiteTable, sourceList);
            List <DataSource> sources = new List <DataSource>(sites.Length);

            for (int i = 0; i < sites.Length; i++)
            {
                for (int j = 0; j < sites[i].Sources.Length; j++)
                {
                    if (sites[i].Sources[j].Protocol == "VISTA" ||
                        sites[i].Sources[j].Protocol == "FHIE" || sites[i].Sources[j].Protocol == "XVISTA")
                    {
                        sources.Add(sites[i].Sources[j]);
                    }
                }
            }
            return(setupMultiSourceQuery(pwd, sources, permissionString));
        }