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-rw-r--r--OpenSim/Framework/Configuration/XML/XmlConfiguration.cs124
1 files changed, 124 insertions, 0 deletions
diff --git a/OpenSim/Framework/Configuration/XML/XmlConfiguration.cs b/OpenSim/Framework/Configuration/XML/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;
33using OpenSim.Framework.Configuration.Interfaces;
34
35namespace OpenSim.Framework.Configuration
36{
37 public class XmlConfiguration : IGenericConfig
38 {
39 private XmlDocument doc;
40 private XmlNode rootNode;
41 private XmlNode configNode;
42 private string fileName;
43 private bool createdFile = false;
44
45 public void SetFileName(string file)
46 {
47 fileName = file;
48 }
49
50 public void LoadData()
51 {
52 doc = new XmlDocument();
53
54 if (File.Exists(fileName))
55 {
56 XmlTextReader reader = new XmlTextReader(fileName);
57 reader.WhitespaceHandling = WhitespaceHandling.None;
58 doc.Load(reader);
59 reader.Close();
60 }
61 else
62 {
63 createdFile = true;
64 rootNode = doc.CreateNode(XmlNodeType.Element, "Root", "");
65 doc.AppendChild(rootNode);
66 configNode = doc.CreateNode(XmlNodeType.Element, "Config", "");
67 rootNode.AppendChild(configNode);
68 }
69
70
71 rootNode = doc.FirstChild;
72 if (rootNode.Name != "Root")
73 throw new Exception("Error: Invalid .xml File. Missing <Root>");
74
75 configNode = rootNode.FirstChild;
76 if (configNode.Name != "Config")
77 throw new Exception("Error: Invalid .xml File. <Root> first child should be <Config>");
78
79 if (createdFile)
80 {
81 this.Commit();
82 }
83 }
84
85 public string GetAttribute(string attributeName)
86 {
87 string result = null;
88 if (configNode.Attributes[attributeName] != null)
89 {
90 result = ((XmlAttribute)configNode.Attributes.GetNamedItem(attributeName)).Value;
91 }
92 return result;
93 }
94
95 public bool SetAttribute(string attributeName, string attributeValue)
96 {
97 if (configNode.Attributes[attributeName] != null)
98 {
99 ((XmlAttribute)configNode.Attributes.GetNamedItem(attributeName)).Value = attributeValue;
100 }
101 else
102 {
103 XmlAttribute attri;
104 attri = doc.CreateAttribute(attributeName);
105 attri.Value = attributeValue;
106 configNode.Attributes.Append(attri);
107 }
108 return true;
109 }
110
111 public void Commit()
112 {
113 doc.Save(fileName);
114 }
115
116 public void Close()
117 {
118 configNode = null;
119 rootNode = null;
120 doc = null;
121 }
122
123 }
124}