Initial Commit

Systems/SQLServer/Utilities.cs

@@ -0,0 +1,103 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Sdaleo.Systems.SQLServer
+{
+    #region SQLServer Utility Enums
+
+    /// <summary>
+    /// Default Databases that are usually part of an SQL Server
+    /// </summary>
+    internal enum SQLServerDefaultDatabase
+    {
+        master,
+        model,
+        msdb,
+        tempdb,
+        Northwind,
+        pubs
+    }
+
+    #endregion
+
+    /// <summary>
+    /// SQLServer Helper Utilites
+    /// </summary>
+    public class SQLServerUtilities
+    {
+        /// <summary>
+        /// Splits a DataSource String to it's ServerAddress and InstanceName components
+        /// </summary>
+        /// <param name="ServerOrServerNInstance">a DataSource string containing either Server or Server And Instance</param>
+        /// <param name="Server">Returns ServerAddress, if found</param>
+        /// <param name="Instance">Returns Instance name, if found</param>
+        /// <returns>True, if successfull, false otherwise</returns>
+        public static bool SplitServerOrServerNInstance(string ServerOrServerNInstance, out string Server, out string Instance)
+        {
+            Server = String.Empty;
+            Instance = String.Empty;
+
+            if (!string.IsNullOrEmpty(ServerOrServerNInstance) && (ServerOrServerNInstance.IndexOf('\\') >= 0))
+            {
+                string[] values = ServerOrServerNInstance.Split('\\');
+                if (values.Length == 2)
+                {
+                    if(ValidationConsts.Generic.IsValidServerName(values[0]))
+                       Server = values[0];
+                    if(ValidationConsts.Generic.IsValidInstanceName(values[1]))
+                       Instance = values[1];
+                    return (!String.IsNullOrEmpty(Server) && !String.IsNullOrEmpty(Instance));
+                }
+                else
+                {
+                    return false;
+                }
+            }
+            else if (!string.IsNullOrEmpty(ServerOrServerNInstance) && (ServerOrServerNInstance.IndexOf('\\') == 0))
+            {
+                if (ValidationConsts.Generic.IsValidServerName(ServerOrServerNInstance))
+                    Server = ServerOrServerNInstance;
+                return (!String.IsNullOrEmpty(Server));
+            }
+            return false;
+        }
+
+        // Easy Access to SQL Master Database
+        public static string SQLServerMasterDatabaseName { get { return SQLServerDefaultDatabase.master.ToString(); } }
+        public static bool IsSQLServerMasterDatabaseName(string strDatabaseName) { return (SQLServerMasterDatabaseName.ToUpper() == strDatabaseName.ToUpper()); }
+
+        /// <summary>
+        ///  Easy Check for Default Database * Any SQL Server Default Database *
+        /// </summary>
+        /// <param name="strDatabaseName">Name of Database to check for</param>
+        /// <returns>true if this is an SQL Server Default Database, false otherwise</returns>
+        public static bool IsDefaultDatabaseName(string strDatabaseName)
+        {
+            foreach (string strName in Enum.GetNames(typeof(SQLServerDefaultDatabase)))
+            {
+                if (strName.ToUpper() == strDatabaseName.ToUpper())
+                    return true;
+            }
+            return false;
+        }
+
+        /// <summary>
+        /// Easy Check for System Database * Same as Default Database but does not inclue Northwind, or Pubs *
+        /// </summary>
+        /// <param name="strDatabaseName">Name of Database to check for</param>
+        /// <returns>true if this is an SQL Server System Database, false otherwise</returns>
+        public static bool IsSystemDatabaseName(string strDatabaseName)
+        {
+            foreach (string strName in Enum.GetNames(typeof(SQLServerDefaultDatabase)))
+            {
+                if (strName.ToUpper() == strDatabaseName.ToUpper() &&
+                    (strDatabaseName.ToUpper() != "NORTHWIND") &&
+                    (strDatabaseName.ToUpper() != "PUBS"))
+                    return true;
+            }
+            return false;
+        }  
+    }
+}