Get SharePoint site collection URL based on title in SharePoint - server side object model

Pass web application object to the method and return site collection URL 

private string GetSysGlobalSiteUrl(SPWebApplication webApplication)

        {

            string siteUrl = string.Empty;

                     string GLOBAL_SITE_TITLE = “some name”; 

            try

            {

                SPSiteCollection siteCollection = webApplication.Sites;

 

                foreach (SPSite site in siteCollection)

                {

                    SPWeb web = site.OpenWeb();

 

                    if (web.Title == GLOBAL_SITE_TITLE)

                    { 

                        siteUrl = web.Url.ToString();                                               

                       

                    }                  

                }

            }

            catch(Exception ex)

            {

               

            }

            return siteUrl;

        }