static ConfigManager()
{
_internalCache = new Hashtable(10);
ConfigurationManagementSettings cms = new ConfigurationManagementSettings();
_appConfigFile = cms.GetAppConfigFile();
Initialize();
_isInitialized = true;
}
/// <summary>
/// Reads a section from the config.
/// </summary>
/// <param name="sectionName"> The configuration section name.</param>
/// <param name="caller"> The type calling this method. This type is use for config file location.</param>
/// <param name="useCache"> Sets the ConfigManager to save the configuration object in the cache store.</param>
/// <returns> The configuration object.</returns>
public static object Read(string sectionName, Type caller, bool useCache)
{
ConfigurationManagementSettings cms = new ConfigurationManagementSettings();
_appConfigFile = cms.GetAppConfigFile(caller.Assembly.Location);
Initialize();
_isInitialized = true;
if ( useCache )
{
// Cache
if ( _internalCache[sectionName] == null )
{
_internalCache.Add(sectionName,Read(sectionName));
}
return _internalCache[sectionName];
}
else
{
// no cache
return Read(sectionName);
}
}
/// <summary>
/// Loads a configuration section from a configuration file or XML.
/// </summary>
/// <param name="sectionName"> The section name to load.</param>
/// <param name="fileName"> The file name of the configuration or XML. Leave empty to use default configuration.</param>
public virtual object Load(string sectionName, string fileName)
{
string file;
if ( fileName.Length == 0 )
{
ConfigurationManagementSettings cms = new ConfigurationManagementSettings();
file = cms.GetAppConfigFile();
}
else
{
file = fileName;
}
// Read
XmlNode sectionNode = ConfigurationManagementSettings.ReadConfigNode(sectionName, file);
object result;
// Serialize
if ( sectionNode == null )
{
result = null;
}
else
{
result = this.Create(null, null, sectionNode);
}
return result;
}
/// <summary>
/// Saves the configuration.
/// </summary>
/// <param name="value"> The object to save.</param>
/// <param name="sectionName"> The section name to save to.</param>
/// <param name="fileName"> The file name of the configuration or XML. Leave empty to use default configuration.</param>
public virtual void Save(object value, string sectionName, string fileName)
{
string file;
if ( fileName.Length == 0 )
{
ConfigurationManagementSettings cms = new ConfigurationManagementSettings();
file = cms.GetAppConfigFile();
}
else
{
file = fileName;
}
// Serialize
XmlNode node = this.Serialize(value);
// Write
ConfigurationManagementSettings.WriteConfigNode(sectionName, node, file);
}
private static void Initialize()
{
try
{
FileStream stream = new FileStream(_appConfigFile,FileMode.Open, FileAccess.Read);
// open config file
XPathDocument doc = new XPathDocument(new XmlTextReader(stream));
XPathNavigator navigator = doc.CreateNavigator();
// Nodes
XPathExpression expr = navigator.Compile("configuration/configSections");
XPathNodeIterator nodes = navigator.Select(expr);
if ( nodes.Count > 0 )
{
nodes.MoveNext();
// Load Section Handlers
ConfigurationManagementSettings settings = new ConfigurationManagementSettings();
settings.LoadSectionHandlers(nodes.Current);
_handlers = settings.SectionHandlers;
}
stream.Close();
}
catch ( Exception ex )
{
throw new ConfigurationException("Configuration settings error.",ex);
}
}