clockwerk-opensim – Blame information for rev 1
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1 | vero | 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.Collections.Generic; |
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29 | using System.IO; |
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30 | using System.IO.Compression; |
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31 | using System.Text; |
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32 | using System.Xml; |
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33 | using OpenSim.Region.Framework.Scenes; |
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34 | using OpenSim.Region.Framework.Scenes.Serialization; |
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35 | |||
36 | namespace OpenSim.Region.CoreModules.World.Serialiser |
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37 | { |
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38 | internal class SerialiseObjects : IFileSerialiser |
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39 | { |
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40 | #region IFileSerialiser Members |
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41 | |||
42 | public string WriteToFile(Scene scene, string dir) |
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43 | { |
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44 | string targetFileName = Path.Combine(dir, "objects.xml"); |
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45 | |||
46 | SaveSerialisedToFile(targetFileName, scene); |
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47 | |||
48 | return "objects.xml"; |
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49 | } |
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50 | |||
51 | #endregion |
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52 | |||
53 | public void SaveSerialisedToFile(string fileName, Scene scene) |
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54 | { |
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55 | string xmlstream = GetObjectXml(scene); |
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56 | |||
57 | using (MemoryStream stream = ReformatXmlString(xmlstream)) |
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58 | { |
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59 | stream.Seek(0, SeekOrigin.Begin); |
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60 | CreateXmlFile(stream, fileName); |
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61 | |||
62 | stream.Seek(0, SeekOrigin.Begin); |
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63 | CreateCompressedXmlFile(stream, fileName); |
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64 | } |
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65 | } |
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66 | |||
67 | private static MemoryStream ReformatXmlString(string xmlstream) |
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68 | { |
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69 | MemoryStream stream = new MemoryStream(); |
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70 | XmlTextWriter formatter = new XmlTextWriter(stream, Encoding.UTF8); |
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71 | XmlDocument doc = new XmlDocument(); |
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72 | |||
73 | doc.LoadXml(xmlstream); |
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74 | formatter.Formatting = Formatting.Indented; |
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75 | doc.WriteContentTo(formatter); |
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76 | formatter.Flush(); |
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77 | return stream; |
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78 | } |
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79 | |||
80 | private static string GetObjectXml(Scene scene) |
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81 | { |
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82 | string xmlstream = "<scene>"; |
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83 | |||
84 | EntityBase[] EntityList = scene.GetEntities(); |
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85 | List<string> EntityXml = new List<string>(); |
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86 | |||
87 | foreach (EntityBase ent in EntityList) |
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88 | { |
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89 | if (ent is SceneObjectGroup) |
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90 | { |
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91 | EntityXml.Add(SceneObjectSerializer.ToXml2Format((SceneObjectGroup)ent)); |
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92 | } |
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93 | } |
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94 | EntityXml.Sort(); |
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95 | |||
96 | foreach (string xml in EntityXml) |
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97 | xmlstream += xml; |
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98 | |||
99 | xmlstream += "</scene>"; |
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100 | return xmlstream; |
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101 | } |
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102 | |||
103 | private static void CreateXmlFile(MemoryStream xmlStream, string fileName) |
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104 | { |
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105 | FileStream objectsFile = new FileStream(fileName, FileMode.Create); |
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106 | |||
107 | xmlStream.WriteTo(objectsFile); |
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108 | objectsFile.Flush(); |
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109 | objectsFile.Close(); |
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110 | } |
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111 | |||
112 | private static void CreateCompressedXmlFile(MemoryStream xmlStream, string fileName) |
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113 | { |
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114 | #region GZip Compressed Version |
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115 | |||
116 | using (FileStream objectsFileCompressed = new FileStream(fileName + ".gzs", FileMode.Create)) |
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117 | using (MemoryStream gzipMSStream = new MemoryStream()) |
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118 | { |
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119 | using (GZipStream gzipStream = new GZipStream(gzipMSStream, CompressionMode.Compress, true)) |
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120 | { |
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121 | xmlStream.WriteTo(gzipStream); |
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122 | } |
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123 | |||
124 | gzipMSStream.WriteTo(objectsFileCompressed); |
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125 | } |
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126 | |||
127 | #endregion |
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128 | } |
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129 | } |
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130 | } |