/// <summary>
/// Checks whether the persistence strategy can handle the specified type and throws an exception, if it can not.
/// </summary>
/// <param name="strategy">The persistence strategy that is used.</param>
/// <param name="type">Type to check.</param>
public static void EnsureThatPersistenceStrategyCanHandleValueType(
ICascadedConfigurationPersistenceStrategy strategy,
Type type)
{
if (strategy != null)
{
if (!strategy.SupportsType(type))
{
throw new ConfigurationException(
"The specified type ({0}) is not supported by the persistence strategy.",
type.FullName);
}
}
}
/// <summary>
/// Checks whether the persistence strategy supports assigning the specified value to an item of the specified type;
/// throws an exception, if it can not.
/// </summary>
/// <param name="strategy">The persistence strategy that is used.</param>
/// <param name="itemType">Item type to check.</param>
/// <param name="value">Value to check.</param>
public static void EnsureThatPersistenceStrategyCanAssignValue(
ICascadedConfigurationPersistenceStrategy strategy,
Type itemType,
object value)
{
if (strategy != null)
{
if (!strategy.IsAssignable(itemType, value))
{
throw new ConfigurationException(
"The specified value is not supported for a configuration item of type '{0}'.",
itemType.FullName);
}
}
}
/// <summary>
/// Splits up the specified path into a list of path segments using '/' and '\' as delimiters.
/// </summary>
/// <param name="strategy">The persistence strategy that is used.</param>
/// <param name="path">
/// Path to split (path delimiter are '/' and '\', escape these characters, if a path segment contains one of them,
/// otherwise the segment will be split up).
/// </param>
/// <param name="isItemPath">
/// true, if the path is an item path;
/// false, if the specified path is a configuration node path.
/// </param>
/// <param name="checkValidity">
/// true to check the validity of path segment names using the specified persistence strategy;
/// false to skip checking the validity of path segment names.
/// </param>
/// <returns>The resulting list of path segments.</returns>
public static string[] SplitPath(
ICascadedConfigurationPersistenceStrategy strategy,
string path,
bool isItemPath,
bool checkValidity)
{
List <string> segments = new List <string>();
foreach (string segment in sPathSplitterRegex.Split(path))
{
string s = segment.Trim();
if (s.Length > 0)
{
segments.Add(segment);
}
}
if (checkValidity)
{
if (strategy != null)
{
for (int i = 0; i < segments.Count; i++)
{
string name = segments[i];
if (i + 1 < segments.Count)
{
// intermediate segment (can be a configuration only)
if (!strategy.IsValidConfigurationName(name))
{
throw new ConfigurationException("The specified configuration name ({0}) is not supported by the persistence strategy.", name);
}
}
else
{
// last segment (can be a configuration or an item)
if (isItemPath)
{
if (!strategy.IsValidItemName(name))
{
throw new ConfigurationException("The specified configuration name ({0}) is not supported by the persistence strategy.", name);
}
}
else
{
if (!strategy.IsValidConfigurationName(name))
{
throw new ConfigurationException("The specified configuration name ({0}) is not supported by the persistence strategy.", name);
}
}
}
}
}
}
if (segments.Count == 0)
{
throw new ArgumentException("The path is invalid, since it does not contain any location information.");
}
return(segments.ToArray());
}
