mcs/class/System.Data/Test/ProviderTests/Common/ConnectionConfig.cs

   1 //
   2 // ConnectionConfig.cs  - Holds information on a specific connection and
   3 // corresponding engine to test.
   4 //
   5 // Author:
   6 //      Gert Driesen (drieseng@users.sourceforge.net
   7 //
   8 // Copyright (c) 2008 Gert Driesen
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System;
  31 using System.Collections;
  32 using System.Configuration;
  33 using System.Globalization;
  34 using System.Xml;
  35
  36 namespace MonoTests.System.Data
  37 {
  38         internal sealed class ConnectionConfig
  39         {
  40                 private readonly string name;
  41                 private readonly string factory;
  42                 private readonly string connectionString;
  43                 private readonly EngineConfig engine;
  44
  45                 private ConnectionConfig (string name, string factory, string connectionString, EngineConfig engine)
  46                 {
  47                         this.name = name;
  48                         this.factory = factory;
  49                         this.connectionString = connectionString;
  50                         this.engine = engine;
  51                 }
  52
  53                 internal static ConnectionConfig FromXml (XmlNode connNode, Hashtable engines)
  54                 {
  55                         return new ConnectionConfig (
  56                                 GetAttribValue (connNode, "name", true),
  57                                 GetAttribValue (connNode, "factory", true),
  58                                 GetAttribValue (connNode, "connectionString", true),
  59                                 GetEngine (connNode, engines));
  60                 }
  61
  62                 public string Name {
  63                         get { return name; }
  64                 }
  65
  66                 public string Factory {
  67                         get { return factory; }
  68                 }
  69
  70                 public string ConnectionString {
  71                         get { return connectionString; }
  72                 }
  73
  74                 public EngineConfig Engine {
  75                         get { return engine; }
  76                 }
  77
  78                 static string GetAttribValue (XmlNode node, string name, bool required)
  79                 {
  80                         XmlAttribute attr = node.Attributes [name];
  81                         if (attr == null) {
  82                                 if (required)
  83                                         throw CreateAttributeMissingException (name, node);
  84                                 return null;
  85                         }
  86                         return attr.Value;
  87                 }
  88
  89                 static EngineConfig GetEngine (XmlNode connNode, Hashtable engines)
  90                 {
  91                         XmlAttribute engineAttr = connNode.Attributes ["engine"];
  92                         if (engineAttr == null)
  93                                 throw CreateAttributeMissingException ("engine", connNode);
  94
  95                         string engineName = engineAttr.Value;
  96                         EngineConfig engine = (EngineConfig) engines [engineName];
  97                         if (engine == null) {
  98                                 string msg = string.Format (CultureInfo.InvariantCulture,
  99                                         "Engine '{0}' does not exist.", engineName);
 100                                 throw new ConfigurationErrorsException (msg, engineAttr);
 101                         }
 102                         return engine;
 103                 }
 104
 105                 static Exception CreateAttributeMissingException (string name, XmlNode node)
 106                 {
 107                         string msg = string.Format (CultureInfo.InvariantCulture,
 108                                 "Missing '{0}' attribute.", name);
 109                         throw new ConfigurationErrorsException (msg, node);
 110                 }
 111         }
 112 }