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- /*
- * Copyright (c) Contributors, http://opensimulator.org/
- * See CONTRIBUTORS.TXT for a full list of copyright holders.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * Neither the name of the OpenSimulator Project nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- 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());
- }
- }
- }
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