using System; using System.Collections.Generic; using System.Text; using OpenMetaverse; namespace OpenSim.Data { public static class DBGuid { /// <summary>This function converts a value returned from the database in one of the /// supported formats into a UUID. This function is not actually DBMS-specific right /// now /// /// </summary> /// <param name="id"></param> /// <returns></returns> public static UUID FromDB(object id) { if( (id == null) || (id == DBNull.Value)) return UUID.Zero; if (id.GetType() == typeof(Guid)) return new UUID((Guid)id); if (id.GetType() == typeof(byte[])) { if (((byte[])id).Length == 0) return UUID.Zero; else if (((byte[])id).Length == 16) return new UUID((byte[])id, 0); } else if (id.GetType() == typeof(string)) { if (((string)id).Length == 0) return UUID.Zero; else if (((string)id).Length == 36) return new UUID((string)id); } throw new Exception("Failed to convert db value to UUID: " + id.ToString()); } } }