private static T GetConfigValue <T>(string configName, T?minValue, T?maxValue, T defaultValue, AppConfigLoader.TryParseValue <T> tryParseValue) where T : struct, IComparable <T>
{
string text = null;
if (!AppConfigLoader.TryGetConfigRawValue(configName, out text))
{
return(defaultValue);
}
T t = defaultValue;
if (!tryParseValue(text, out t))
{
AppConfigLoader.Tracer.TraceWarning <string, string>(0L, "cannot apply config {0} with invalid value: {1}", configName, text);
return(defaultValue);
}
if (minValue != null && t.CompareTo(minValue.Value) < 0)
{
AppConfigLoader.Tracer.TraceWarning <string, T, T>(0L, "cannot apply config:{0}, value:{1} is less than minValue:{2}", configName, t, minValue.Value);
return(defaultValue);
}
if (maxValue != null && t.CompareTo(maxValue.Value) > 0)
{
AppConfigLoader.Tracer.TraceWarning <string, T, T>(0L, "cannot apply config:{0}, value:{1} is greater than maxValue:{2}", configName, t, maxValue.Value);
return(defaultValue);
}
return(t);
}
public static string GetConfigStringValue(string configName, string defaultValue)
{
string result = null;
if (!AppConfigLoader.TryGetConfigRawValue(configName, out result))
{
return(defaultValue);
}
return(result);
}
public static T GetConfigEnumValue <T>(string configName, T defaultValue)
{
string text = null;
if (!AppConfigLoader.TryGetConfigRawValue(configName, out text))
{
return(defaultValue);
}
T result;
try
{
T t = (T)((object)Enum.Parse(typeof(T), text, true));
result = t;
}
catch (ArgumentException arg)
{
AppConfigLoader.Tracer.TraceWarning <string, string, ArgumentException>(0L, "Invalid Value:{0}, for config:{1}, parsing failed with error:{2}", text, configName, arg);
result = defaultValue;
}
return(result);
}
