/// <summary>
/// Returns a <see cref="string" /> that represents this given hashset to be stored as a string.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="hashset">The hashset.</param>
/// <param name="info">The information.</param>
/// <param name="getString">The get string.</param>
/// <returns>
/// A <see cref="string" /> that represents this instance.
/// </returns>
public static string ToString <T>(HashSet <T> hashset, ConfigKeyValueSplitInfo info = null, Func <T, string> getString = null)
{
info = info ?? ConfigKeyValuesSplitInfo.Default;
getString = getString ?? ToStringDefault;
return(string.Join(info.EntrySeperators.First().ToString(), hashset.Select(s => getString(s)).Select(s => info.ConvertValuesToLower ? s.ToLower() : s)));
}
private static Dictionary <TKey, TValue> GetDictionary <TKey, TValue>(ConfigKeyValueSplitInfo info, string config)
{
info = info ?? ConfigKeyValueSplitInfo.Default;
return(config.Split(info.EntrySeperators, StringSplitOptions.RemoveEmptyEntries).
Select(entry => entry.Split(info.KeyValueSeperators, StringSplitOptions.RemoveEmptyEntries)).
ToDictionary(values => info.ParseKey <TKey>(values[0]),
values => info.ParseValue <TValue>(values.Length > 1 ? values[1] : null)));
}
/// <summary>
/// Attempts to read the setting from the config file, and Parse into a Dictionary.
/// If the Type doesn't contain a Parse, a cast is attempted.
/// Any failure in the Parse will throw an exception.
/// If the config value is null, then the default value will be used.
/// The default setting should be in the format {Key}:{Value}|{Key}:{Value}
/// </summary>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <typeparam name="TValue">The type of the value.</typeparam>
/// <param name="appSetting">The application setting.</param>
/// <param name="defaultValue">The default value.</param>
/// <param name="info">The settings by which to split the config value.</param>
/// <returns></returns>
public static Dictionary <TKey, TValue> GetDictionary <TKey, TValue>(string appSetting,
string defaultValue,
ConfigKeyValueSplitInfo info = null)
{
try
{
return(GetDictionary <TKey, TValue>(info, ConfigProvider.Instance[appSetting] ?? defaultValue));
}
catch (Exception ex)
{
throw new FormatException($"Error occured parsing dictionary for app setting \"{appSetting}\", with defaultValue, \"{defaultValue}\"", ex);
}
}
/// <summary>
/// Attempts to read the setting from the config file, and Parse into a Dictionary.
/// If the Type doesn't contain a Parse, a cast is attempted.
/// Any failure in the Parse will throw an exception.
/// If the config value is null, then the default value will be used.
/// The default setting should be in the format {Key}:{Value}|{Key}:{Value}
/// </summary>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <typeparam name="TValue">The type of the value.</typeparam>
/// <param name="appSetting">The application setting.</param>
/// <param name="defaultValue">The default value.</param>
/// <param name="info">The settings by which to split the config value.</param>
/// <returns></returns>
public static Dictionary <TKey, TValue> GetDictionary <TKey, TValue>(string appSetting,
Dictionary <TKey, TValue> defaultValue,
ConfigKeyValueSplitInfo info = null)
{
try
{
var config = ConfigProvider.Instance[appSetting];
return(config == null ? defaultValue : GetDictionary <TKey, TValue>(info, config));
}
catch (Exception ex)
{
throw new FormatException($"Error occured parsing dictionary for app setting \"{appSetting}\"", ex);
}
}
/// <summary>
/// Attempts to read the setting from the config file, and Parse into a Dictionary.
/// If the Type doesn't contain a Parse, a cast is attempted.
/// Any failure in the Parse will throw an exception.
/// If the config value is null, then the default value will be used.
/// The default setting should be in the format {Key}:{Value}|{Key}:{Value}
/// </summary>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <typeparam name="TValue">The type of the value.</typeparam>
/// <param name="appSetting">The application setting.</param>
/// <param name="getDefault">Function to get the default value.</param>
/// <param name="info">The settings by which to split the config value.</param>
/// <returns></returns>
public static Dictionary <TKey, TValue> GetDictionary <TKey, TValue>(string appSetting,
Func <Dictionary <TKey, TValue> > getDefault,
ConfigKeyValueSplitInfo info = null)
{
try
{
var config = ConfigurationManager.AppSettings[appSetting];
return(config == null?getDefault() : GetDictionary <TKey, TValue>(info, config));
}
catch (Exception ex)
{
throw new FormatException($"Error occured parsing dictionary for app setting \"{appSetting}\"", ex);
}
}
/// <summary>
/// Returns a <see cref="string" /> that represents the given dictionary object to be stored as a string
/// </summary>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <typeparam name="TValue">The type of the value.</typeparam>
/// <param name="dictionary">The dictionary.</param>
/// <param name="info">The information.</param>
/// <param name="getKeyString">The get key string.</param>
/// <param name="getValueString">The get value string.</param>
/// <returns>
/// A <see cref="string" /> that represents the given dictionary object to be stored as a string
/// </returns>
public static string ToString <TKey, TValue>(Dictionary <TKey, TValue> dictionary,
ConfigKeyValueSplitInfo info = null,
Func <TKey, string> getKeyString = null,
Func <TValue, string> getValueString = null)
{
info = info ?? ConfigKeyValueSplitInfo.Default;
getKeyString = getKeyString ?? ToStringDefault;
getValueString = getValueString ?? ToStringDefault;
var values = from kvp in dictionary
let key = getKeyString(kvp.Key)
let value = getValueString(kvp.Value)
select $"{(info.ConvertKeysToLower ? key.ToLower() : key)}{info.KeyValueSeperators.First()}{(info.ConvertValuesToLower ? value.ToLower() : value)}";
return(string.Join(info.EntrySeperators.First().ToString(), values));
}
/// <summary>
/// Attempts to read the setting from the config file, and Parse to get the value.
/// If the Type doesn't contain a Parse, a cast is attempted.
/// Any failure in the Parse will throw an exception.
/// If the config value is null, then the default value will be used.
/// The setting should be in the format {Key}:{Value}|{Key}:{Value}
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="appSetting">The application setting.</param>
/// <param name="key">AppSetting Key attribute value.</param>
/// <param name="defaultValue">The default value.</param>
/// <param name="info">The settings by which to split the config value.</param>
/// <returns></returns>
public static T GetAppSettingOrDefaultByKey <T>(string appSetting, string key, T defaultValue, ConfigKeyValueSplitInfo info = null)
{
try
{
var config = ConfigProvider.Instance[appSetting];
if (config == null)
{
return(defaultValue);
}
info = info ?? ConfigKeyValueSplitInfo.Default;
// Find the Key:Value where the Key Matches
config = config.Split(info.EntrySeperators).
FirstOrDefault(v => v.Split(info.KeyValueSeperators).
Select(k => info.ParseKey <string>(k)).
FirstOrDefault() == info.ParseKey <string>(key));
return(config == null ? defaultValue : SubstringByString(config, info.KeyValueSeperators.ToString()).ParseOrConvertString <T>());
}
catch (Exception ex)
{
throw new FormatException($"Error occured processing app setting \"{appSetting}\" for key \"{key}\" with default value \"{defaultValue}\"", ex);
}
}
