clockwerk-opensim-stable – 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; |
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29 | using System.IO; |
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30 | using System.Xml; |
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31 | |||
32 | namespace OpenSim.Framework.Configuration.XML |
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33 | { |
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34 | public class XmlConfiguration : IGenericConfig |
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35 | { |
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36 | private XmlDocument doc; |
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37 | private XmlNode rootNode; |
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38 | private XmlNode configNode; |
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39 | private string fileName; |
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40 | private bool createdFile = false; |
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41 | |||
42 | public void SetFileName(string file) |
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43 | { |
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44 | fileName = file; |
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45 | } |
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46 | |||
47 | private void LoadDataToClass() |
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48 | { |
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49 | rootNode = doc.SelectSingleNode("Root"); |
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50 | if (null == rootNode) |
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51 | throw new Exception("Error: Invalid .xml File. Missing <Root>"); |
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52 | |||
53 | configNode = rootNode.SelectSingleNode("Config"); |
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54 | if (null == configNode) |
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55 | throw new Exception("Error: Invalid .xml File. <Root> should contain a <Config>"); |
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56 | } |
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57 | |||
58 | public void LoadData() |
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59 | { |
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60 | lock (this) |
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61 | { |
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62 | doc = new XmlDocument(); |
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63 | if (File.Exists(fileName)) |
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64 | { |
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65 | XmlTextReader reader = new XmlTextReader(fileName); |
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66 | reader.WhitespaceHandling = WhitespaceHandling.None; |
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67 | doc.Load(reader); |
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68 | reader.Close(); |
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69 | } |
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70 | else |
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71 | { |
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72 | createdFile = true; |
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73 | rootNode = doc.CreateNode(XmlNodeType.Element, "Root", String.Empty); |
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74 | doc.AppendChild(rootNode); |
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75 | configNode = doc.CreateNode(XmlNodeType.Element, "Config", String.Empty); |
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76 | rootNode.AppendChild(configNode); |
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77 | } |
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78 | |||
79 | LoadDataToClass(); |
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80 | |||
81 | if (createdFile) |
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82 | { |
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83 | Commit(); |
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84 | } |
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85 | } |
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86 | } |
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87 | |||
88 | public void LoadDataFromString(string data) |
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89 | { |
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90 | doc = new XmlDocument(); |
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91 | doc.LoadXml(data); |
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92 | |||
93 | LoadDataToClass(); |
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94 | } |
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95 | |||
96 | public string GetAttribute(string attributeName) |
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97 | { |
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98 | string result = null; |
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99 | if (configNode.Attributes[attributeName] != null) |
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100 | { |
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101 | result = ((XmlAttribute) configNode.Attributes.GetNamedItem(attributeName)).Value; |
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102 | } |
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103 | return result; |
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104 | } |
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105 | |||
106 | public bool SetAttribute(string attributeName, string attributeValue) |
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107 | { |
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108 | if (configNode.Attributes[attributeName] != null) |
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109 | { |
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110 | ((XmlAttribute) configNode.Attributes.GetNamedItem(attributeName)).Value = attributeValue; |
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111 | } |
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112 | else |
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113 | { |
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114 | XmlAttribute attri; |
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115 | attri = doc.CreateAttribute(attributeName); |
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116 | attri.Value = attributeValue; |
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117 | configNode.Attributes.Append(attri); |
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118 | } |
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119 | return true; |
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120 | } |
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121 | |||
122 | public void Commit() |
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123 | { |
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124 | if (fileName == null || fileName == String.Empty) |
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125 | return; |
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126 | |||
127 | if (!Directory.Exists(Util.configDir())) |
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128 | { |
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129 | Directory.CreateDirectory(Util.configDir()); |
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130 | } |
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131 | doc.Save(fileName); |
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132 | } |
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133 | |||
134 | public void Close() |
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135 | { |
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136 | configNode = null; |
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137 | rootNode = null; |
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138 | doc = null; |
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139 | } |
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140 | } |
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141 | } |