/// <summary>
/// Writes a set of properties to the configuration store.
/// </summary>
/// <param name="appName">The name of the affiliate application.</param>
/// <param name="configProperties">The configuration properties to write.</param>
public static void WriteAll(string appName, ConfigurationPropertyBag configProperties)
{
try
{
lock (syncLock)
{
// update property bag in the SSO store
SSOConfigStore ssoStore = new SSOConfigStore();
((ISSOConfigStore)ssoStore).SetConfigInfo(appName, IDENTIFIER_GUID, configProperties);
// force a refresh of the cached configuration properties for the specified application
appConfigSettings.Remove(appName);
}
}
catch (Exception e)
{
System.Diagnostics.Trace.WriteLine(e.Message);
throw;
}
}
/// <summary>
/// Loads the configuration information for the specified affiliate application.
/// </summary>
/// <param name="appName">The name of the affiliate application.</param>
private static void LoadSSOConfigInfo(string appName)
{
// NOTE: This is a classic implementation of the double-lock pattern in .NET
// check if the application settings are in the cache
if (appConfigSettings.ContainsKey(appName) == false)
{
// acquire a lock
lock (syncLock)
{
if (appConfigSettings.ContainsKey(appName) == false)
{
// get the configuration info from the SSO store
SSOConfigStore ssoStore = new SSOConfigStore();
ConfigurationPropertyBag configPropertyBag = new ConfigurationPropertyBag();
((ISSOConfigStore)ssoStore).GetConfigInfo(appName, IDENTIFIER_GUID, SSOFlag.SSO_FLAG_RUNTIME, (IPropertyBag)configPropertyBag);
// add application configuration to cache
appConfigSettings.Add(appName, configPropertyBag);
}
}
}
}
/// <summary>
/// Reads all the configuration properties from teh specified application.
/// </summary>
/// <param name="appName">The name of the affiliate application.</param>
/// <returns>The configuration properties for the specified SSO application.</returns>
public static ConfigurationPropertyBag ReadAll(string appName)
{
try
{
// load configuration info from SSO store
LoadSSOConfigInfo(appName);
// get configuration property bag
ConfigurationPropertyBag configPropertyBag = null;
if (appConfigSettings.TryGetValue(appName, out configPropertyBag) == true)
{
return(configPropertyBag);
}
// not found
return(null);
}
catch (Exception e)
{
System.Diagnostics.Trace.WriteLine(e.Message);
throw;
}
}
/// <summary>
/// Writes a property to the configuration store.
/// </summary>
/// <param name="appName">The name of the affiliate application.</param>
/// <param name="propName">The property name to write.</param>
/// <param name="propValue">The property value to write.</param>
public static void Write(string appName, string propName, string propValue)
{
try
{
// load configuration info from SSO store
LoadSSOConfigInfo(appName);
// get configuration properties for specified application
ConfigurationPropertyBag configPropertyBag = appConfigSettings[appName];
// write property value to configuration property bag
object tempProp = propValue;
configPropertyBag.Write(propName, ref tempProp);
// update property bag in the SSO store
SSOConfigStore ssoStore = new SSOConfigStore();
((ISSOConfigStore)ssoStore).SetConfigInfo(appName, IDENTIFIER_GUID, configPropertyBag);
}
catch (Exception e)
{
System.Diagnostics.Trace.WriteLine(e.Message);
throw;
}
}
/// <summary>
/// Reads the value of a configuration property from the specified application.
/// </summary>
/// <typeparam name="T">Type of value to read.</typeparam>
/// <param name="appName">The name of the affiliate application.</param>
/// <param name="propName">The property name to read.</param>
/// <param name="defaultValue">Default property value to return if the property is not found or is null.</param>
/// <returns>The value of the property stored in the given affiliate application if the property exists, the default value otherwise.</returns>
public static T Read <T>(string appName, string propName, T defaultValue)
{
try
{
// load configuration info from SSO store
LoadSSOConfigInfo(appName);
// read the property value from the SSO store
object propValue = null;
if (appConfigSettings.ContainsKey(appName) == true)
{
// get application property bag
ConfigurationPropertyBag configPropertyBag = appConfigSettings[appName];
configPropertyBag.Read(propName, out propValue, 0);
}
// return property value if property exists, otherwise the default for type T
if (propValue != null)
{
if (typeof(T).IsEnum == true)
{
return((T)Enum.Parse(typeof(T), propValue.ToString()));
}
else
{
return((T)Convert.ChangeType(propValue, typeof(T)));
}
}
return(defaultValue);
}
catch (Exception e)
{
System.Diagnostics.Trace.WriteLine(e.Message);
throw;
}
}
