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-rw-r--r--OpenSim/Framework/General/Configuration/XmlConfiguration.cs123
1 files changed, 123 insertions, 0 deletions
diff --git a/OpenSim/Framework/General/Configuration/XmlConfiguration.cs b/OpenSim/Framework/General/Configuration/XmlConfiguration.cs
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1/*
2* Copyright (c) Contributors, http://www.openmetaverse.org/
3* See CONTRIBUTORS.TXT for a full list of copyright holders.
4*
5* Redistribution and use in source and binary forms, with or without
6* modification, are permitted provided that the following conditions are met:
7* * Redistributions of source code must retain the above copyright
8* notice, this list of conditions and the following disclaimer.
9* * Redistributions in binary form must reproduce the above copyright
10* notice, this list of conditions and the following disclaimer in the
11* documentation and/or other materials provided with the distribution.
12* * Neither the name of the OpenSim Project nor the
13* names of its contributors may be used to endorse or promote products
14* derived from this software without specific prior written permission.
15*
16* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
17* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*
27*/
28using System;
29using System.IO;
30using System.Xml;
31
32using OpenSim.Framework.Interfaces;
33
34namespace OpenSim.Framework.Configuration
35{
36 public class XmlConfiguration : IGenericConfig
37 {
38 private XmlDocument doc;
39 private XmlNode rootNode;
40 private XmlNode configNode;
41 private string fileName;
42 private bool createdFile = false;
43
44 public XmlConfiguration(string filename)
45 {
46 fileName = filename;
47 }
48
49 public void LoadData()
50 {
51 doc = new XmlDocument();
52
53 if (File.Exists(fileName))
54 {
55 XmlTextReader reader = new XmlTextReader(fileName);
56 reader.WhitespaceHandling = WhitespaceHandling.None;
57 doc.Load(reader);
58 reader.Close();
59 }
60 else
61 {
62 createdFile = true;
63 rootNode = doc.CreateNode(XmlNodeType.Element, "Root", "");
64 doc.AppendChild(rootNode);
65 configNode = doc.CreateNode(XmlNodeType.Element, "Config", "");
66 rootNode.AppendChild(configNode);
67 }
68
69
70 rootNode = doc.FirstChild;
71 if (rootNode.Name != "Root")
72 throw new Exception("Error: Invalid .xml File. Missing <Root>");
73
74 configNode = rootNode.FirstChild;
75 if (configNode.Name != "Config")
76 throw new Exception("Error: Invalid .xml File. <Root> first child should be <Config>");
77
78 if (createdFile)
79 {
80 this.Commit();
81 }
82 }
83
84 public string GetAttribute(string attributeName)
85 {
86 string result = null;
87 if (configNode.Attributes[attributeName] != null)
88 {
89 result = ((XmlAttribute)configNode.Attributes.GetNamedItem(attributeName)).Value;
90 }
91 return result;
92 }
93
94 public bool SetAttribute(string attributeName, string attributeValue)
95 {
96 if (configNode.Attributes[attributeName] != null)
97 {
98 ((XmlAttribute)configNode.Attributes.GetNamedItem(attributeName)).Value = attributeValue;
99 }
100 else
101 {
102 XmlAttribute attri;
103 attri = doc.CreateAttribute(attributeName);
104 attri.Value = attributeValue;
105 configNode.Attributes.Append(attri);
106 }
107 return true;
108 }
109
110 public void Commit()
111 {
112 doc.Save(fileName);
113 }
114
115 public void Close()
116 {
117 configNode = null;
118 rootNode = null;
119 doc = null;
120 }
121
122 }
123}