opensim-development – Blame information for rev 1
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1 | eva | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ |
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3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions are met: |
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7 | * * Redistributions of source code must retain the above copyright |
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8 | * notice, this list of conditions and the following disclaimer. |
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9 | * * Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * * Neither the name of the OpenSimulator Project nor the |
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13 | * names of its contributors may be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
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17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
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20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |||
28 | using System; |
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29 | using System.Collections.Generic; |
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30 | using System.Text; |
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31 | using OpenMetaverse; |
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32 | |||
33 | namespace OpenSim.Data |
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34 | { |
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35 | |||
36 | public static class DBGuid |
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37 | { |
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38 | /// <summary>This function converts a value returned from the database in one of the |
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39 | /// supported formats into a UUID. This function is not actually DBMS-specific right |
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40 | /// now |
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41 | /// |
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42 | /// </summary> |
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43 | /// <param name="id"></param> |
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44 | /// <returns></returns> |
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45 | public static UUID FromDB(object id) |
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46 | { |
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47 | if ((id == null) || (id == DBNull.Value)) |
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48 | return UUID.Zero; |
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49 | |||
50 | if (id.GetType() == typeof(Guid)) |
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51 | return new UUID((Guid)id); |
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52 | |||
53 | if (id.GetType() == typeof(byte[])) |
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54 | { |
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55 | if (((byte[])id).Length == 0) |
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56 | return UUID.Zero; |
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57 | else if (((byte[])id).Length == 16) |
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58 | return new UUID((byte[])id, 0); |
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59 | } |
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60 | else if (id.GetType() == typeof(string)) |
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61 | { |
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62 | if (((string)id).Length == 0) |
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63 | return UUID.Zero; |
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64 | else if (((string)id).Length == 36) |
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65 | return new UUID((string)id); |
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66 | } |
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67 | |||
68 | throw new Exception("Failed to convert db value to UUID: " + id.ToString()); |
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69 | } |
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70 | } |
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71 | } |