public ConfigurationProperty (
string name, Type type, object default_value,
TypeConverter converter,
ConfigurationValidatorBase validation,
ConfigurationPropertyOptions flags)
: this (name, type, default_value, converter, validation, flags, null)
{ }
public ConfigurationElementProperty(ConfigurationValidatorBase validator) {
if (validator == null) {
throw new ArgumentNullException("validator");
}
_validator = validator;
}
public ElementMap(Type t)
{
properties = new ConfigurationPropertyCollection();
collectionAttribute = Attribute.GetCustomAttribute(t, typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
PropertyInfo[] props = t.GetProperties(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance);
foreach (PropertyInfo prop in props)
{
ConfigurationPropertyAttribute at = Attribute.GetCustomAttribute(prop, typeof(ConfigurationPropertyAttribute)) as ConfigurationPropertyAttribute;
if (at == null)
{
continue;
}
string name = at.Name != null ? at.Name : prop.Name;
ConfigurationValidatorAttribute validatorAttr = Attribute.GetCustomAttribute(prop, typeof(ConfigurationValidatorAttribute)) as ConfigurationValidatorAttribute;
ConfigurationValidatorBase validator = validatorAttr != null ? validatorAttr.ValidatorInstance : null;
TypeConverterAttribute convertAttr = (TypeConverterAttribute)Attribute.GetCustomAttribute(prop, typeof(TypeConverterAttribute));
TypeConverter converter = convertAttr != null ? (TypeConverter)Activator.CreateInstance(Type.GetType(convertAttr.ConverterTypeName), true) : null;
ConfigurationProperty cp = new ConfigurationProperty(name, prop.PropertyType, at.DefaultValue, converter, validator, at.Options);
cp.CollectionAttribute = Attribute.GetCustomAttribute(prop, typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
properties.Add(cp);
}
}
private void ConstructorInit(string name, System.Type type, ConfigurationPropertyOptions options, ConfigurationValidatorBase validator, TypeConverter converter)
{
if (typeof(ConfigurationSection).IsAssignableFrom(type))
{
throw new ConfigurationErrorsException(System.Configuration.SR.GetString("Config_properties_may_not_be_derived_from_configuration_section", new object[] { name }));
}
this._providedName = name;
if (((options & ConfigurationPropertyOptions.IsDefaultCollection) != ConfigurationPropertyOptions.None) && string.IsNullOrEmpty(name))
{
name = DefaultCollectionPropertyName;
}
else
{
this.ValidatePropertyName(name);
}
this._name = name;
this._type = type;
this._options = options;
this._validator = validator;
this._converter = converter;
if (this._validator == null)
{
this._validator = DefaultValidatorInstance;
}
else if (!this._validator.CanValidate(this._type))
{
throw new ConfigurationErrorsException(System.Configuration.SR.GetString("Validator_does_not_support_prop_type", new object[] { this._name }));
}
}
public ConfigurationElementProperty(ConfigurationValidatorBase validator)
{
if (validator == null)
{
throw new ArgumentNullException("validator");
}
this._validator = validator;
}
public ConfigurationProperty(
string name, Type type, object defaultValue,
TypeConverter typeConverter,
ConfigurationValidatorBase validator,
ConfigurationPropertyOptions options)
: this(name, type, defaultValue, typeConverter, validator, options, null)
{
}
public ConfigurationProperty(String name,
Type type,
Object defaultValue,
TypeConverter typeConverter,
ConfigurationValidatorBase validator,
ConfigurationPropertyOptions options)
: this(name, type, defaultValue, typeConverter, validator, options, null) {
}
public ConfigurationProperty(
string name, Type type, object default_value,
TypeConverter converter,
ConfigurationValidatorBase validation,
ConfigurationPropertyOptions flags)
: this(name, type, default_value, converter, validation, flags, null)
{
}
public ConfigurationProperty(String name,
Type type,
Object defaultValue,
TypeConverter typeConverter,
ConfigurationValidatorBase validator,
ConfigurationPropertyOptions options,
string description) {
ConstructorInit(name, type, options, validator, typeConverter);
SetDefaultValue(defaultValue);
}
public ConfigurationProperty(string name,
Type type,
object defaultValue,
TypeConverter typeConverter,
ConfigurationValidatorBase validator,
ConfigurationPropertyOptions options,
string description)
{
ConstructorInit(name, type, options, validator, typeConverter);
SetDefaultValue(defaultValue);
}
public static void AddStringProperty(
this ConfigurationPropertyCollection properties,
string name,
ConfigurationValidatorBase validator,
ConfigurationPropertyOptions options = ConfigurationPropertyOptions.IsRequired)
{
// http://stackoverflow.com/questions/3744953/why-does-configurationvalidator-validate-the-default-value-of-a-configurationprop
properties.Add(new ConfigurationProperty(
name: name,
type: typeof(string),
defaultValue: null,
typeConverter: null,
validator: validator,
options: options));
}
private void ConstructorInit(
string name,
Type type,
ConfigurationPropertyOptions options,
ConfigurationValidatorBase validator,
TypeConverter converter,
string description)
{
if (typeof(ConfigurationSection).IsAssignableFrom(type))
{
throw new ConfigurationErrorsException(
SR.Format(SR.Config_properties_may_not_be_derived_from_configuration_section, name));
}
// save the provided name so we can check for default collection names
ProvidedName = name;
if (((options & ConfigurationPropertyOptions.IsDefaultCollection) != 0) && string.IsNullOrEmpty(name))
{
name = DefaultCollectionPropertyName;
}
else
{
ValidatePropertyName(name);
}
Name = name;
Description = description;
Type = type;
_options = options;
Validator = validator;
_converter = converter;
// Use the default validator if none was supplied
if (Validator == null)
{
Validator = s_defaultValidatorInstance;
}
else
{
// Make sure the supplied validator supports the type of this property
if (!Validator.CanValidate(Type))
{
throw new ConfigurationErrorsException(SR.Format(SR.Validator_does_not_support_prop_type, Name));
}
}
}
public ConfigurationProperty(
string name, Type type, object defaultValue,
TypeConverter converter,
ConfigurationValidatorBase validation,
ConfigurationPropertyOptions flags,
string description)
{
Name = name;
Converter = converter ?? TypeDescriptor.GetConverter(type);
if (defaultValue != null)
{
if (defaultValue == NoDefaultValue)
{
switch (Type.GetTypeCode(type))
{
case TypeCode.Object:
defaultValue = null;
break;
case TypeCode.String:
defaultValue = string.Empty;
break;
default:
defaultValue = Activator.CreateInstance(type);
break;
}
}
else if (!type.GetTypeInfo().IsAssignableFrom(defaultValue.GetType()))
{
if (!Converter.CanConvertFrom(defaultValue.GetType()))
{
throw new ConfigurationErrorsException(
string.Format(
"The default value for property '{0}' has a different type than the one of the property itself: expected {1} but was {2}",
name, type, defaultValue.GetType()));
}
defaultValue = Converter.ConvertFrom(defaultValue);
}
}
DefaultValue = defaultValue;
_flags = flags;
Type = type;
Validator = validation ?? new DefaultValidator();
Description = description;
}
public ConfigurationProperty(
string name, Type type, object defaultValue,
TypeConverter typeConverter,
ConfigurationValidatorBase validator,
ConfigurationPropertyOptions options,
string description)
{
this.name = name;
this.converter = typeConverter != null ? typeConverter : TypeDescriptor.GetConverter(type);
if (defaultValue != null)
{
if (defaultValue == NoDefaultValue)
{
switch (Type.GetTypeCode(type))
{
case TypeCode.Object:
defaultValue = null;
break;
case TypeCode.String:
defaultValue = String.Empty;
break;
default:
defaultValue = Activator.CreateInstance(type);
break;
}
}
else
if (!type.IsAssignableFrom(defaultValue.GetType()))
{
if (!this.converter.CanConvertFrom(defaultValue.GetType()))
{
throw new ConfigurationErrorsException(String.Format("The default value for property '{0}' has a different type than the one of the property itself: expected {1} but was {2}",
name, type, defaultValue.GetType()));
}
defaultValue = this.converter.ConvertFrom(defaultValue);
}
}
this.default_value = defaultValue;
this.flags = options;
this.type = type;
this.validation = validator != null ? validator : new DefaultValidator();
this.description = description;
}
public ConfigurationProperty (
string name, Type type, object default_value,
TypeConverter converter,
ConfigurationValidatorBase validation,
ConfigurationPropertyOptions flags,
string description)
{
this.name = name;
this.converter = converter != null ? converter : TypeDescriptor.GetConverter (type);
if (default_value != null) {
if (default_value == NoDefaultValue) {
switch (Type.GetTypeCode (type)) {
case TypeCode.Object:
default_value = null;
break;
case TypeCode.String:
default_value = String.Empty;
break;
default:
default_value = Activator.CreateInstance (type);
break;
}
}
else
if (!type.IsAssignableFrom (default_value.GetType ())) {
if (!this.converter.CanConvertFrom (default_value.GetType ()))
throw new ConfigurationErrorsException (String.Format ("The default value for property '{0}' has a different type than the one of the property itself: expected {1} but was {2}",
name, type, default_value.GetType ()));
default_value = this.converter.ConvertFrom (default_value);
}
}
this.default_value = default_value;
this.flags = flags;
this.type = type;
this.validation = validation != null ? validation : new DefaultValidator ();
this.description = description;
}
/// <summary>
/// Initializes the <see cref="RouteElement"/> class.
/// </summary>
static RouteElement()
{
_nonEmptyStringValidator = new StringValidator(1);
_propName = new ConfigurationProperty(
"name", typeof (string), null, null, _nonEmptyStringValidator,
ConfigurationPropertyOptions.IsKey | ConfigurationPropertyOptions.IsRequired);
_propUrl = new ConfigurationProperty(
"url", typeof (string), null, null,
_nonEmptyStringValidator,
ConfigurationPropertyOptions.IsRequired);
_propHandlerType = new ConfigurationProperty(
"routeHandlerType", typeof (string),
string.Empty, ConfigurationPropertyOptions.None);
_propDefaults = new ConfigurationProperty(
"defaults", typeof (RouteAttributeElement),
null, ConfigurationPropertyOptions.None);
_propConstraints = new ConfigurationProperty(
"constraints", typeof (RouteAttributeElement),
null, ConfigurationPropertyOptions.None);
_propDataTokens = new ConfigurationProperty(
"dataTokens", typeof (RouteAttributeElement),
null, ConfigurationPropertyOptions.None);
_properties = new ConfigurationPropertyCollection();
_properties.Add(_propName);
_properties.Add(_propUrl);
_properties.Add(_propHandlerType);
_properties.Add(_propDefaults);
_properties.Add(_propConstraints);
_properties.Add(_propDataTokens);
}
public ConfigurationValidatorWrappingValidator(ConfigurationValidatorBase validatorInstance, object convertedValue)
{
this.validatorInstance = validatorInstance;
this.convertedValue = convertedValue;
}
private void ConstructorInit(string name, System.Type type, ConfigurationPropertyOptions options, ConfigurationValidatorBase validator, TypeConverter converter)
{
if (typeof(ConfigurationSection).IsAssignableFrom(type))
{
throw new ConfigurationErrorsException(System.Configuration.SR.GetString("Config_properties_may_not_be_derived_from_configuration_section", new object[] { name }));
}
this._providedName = name;
if (((options & ConfigurationPropertyOptions.IsDefaultCollection) != ConfigurationPropertyOptions.None) && string.IsNullOrEmpty(name))
{
name = DefaultCollectionPropertyName;
}
else
{
this.ValidatePropertyName(name);
}
this._name = name;
this._type = type;
this._options = options;
this._validator = validator;
this._converter = converter;
if (this._validator == null)
{
this._validator = DefaultValidatorInstance;
}
else if (!this._validator.CanValidate(this._type))
{
throw new ConfigurationErrorsException(System.Configuration.SR.GetString("Validator_does_not_support_prop_type", new object[] { this._name }));
}
}
public ConfigurationProperty(string name, Type type, Object defaultValue, System.ComponentModel.TypeConverter typeConverter, ConfigurationValidatorBase validator, ConfigurationPropertyOptions options, string description)
{
}
public ConfigurationElementProperty(ConfigurationValidatorBase validator)
{
Contract.Requires(validator != null);
}
public ConfigurationElementProperty(ConfigurationValidatorBase validator)
{
}
internal ConfigurationProperty(PropertyInfo info)
{
Debug.Assert(info != null, "info != null");
ConfigurationPropertyAttribute propertyAttribute = null;
DescriptionAttribute descriptionAttribute = null;
// For compatibility we read the component model default value attribute. It is only
// used if ConfigurationPropertyAttribute doesn't provide the default value.
DefaultValueAttribute defaultValueAttribute = null;
TypeConverter typeConverter = null;
ConfigurationValidatorBase validator = null;
// Look for relevant attributes
foreach (Attribute attribute in Attribute.GetCustomAttributes(info))
{
if (attribute is TypeConverterAttribute)
{
typeConverter = TypeUtil.CreateInstance <TypeConverter>(((TypeConverterAttribute)attribute).ConverterTypeName);
}
else if (attribute is ConfigurationPropertyAttribute)
{
propertyAttribute = (ConfigurationPropertyAttribute)attribute;
}
else if (attribute is ConfigurationValidatorAttribute)
{
if (validator != null)
{
// We only allow one validator to be specified on a property.
//
// Consider: introduce a new validator type ( CompositeValidator ) that is a
// list of validators and executes them all
throw new ConfigurationErrorsException(
SR.Format(SR.Validator_multiple_validator_attributes, info.Name));
}
ConfigurationValidatorAttribute validatorAttribute = (ConfigurationValidatorAttribute)attribute;
validatorAttribute.SetDeclaringType(info.DeclaringType);
validator = validatorAttribute.ValidatorInstance;
}
else if (attribute is DescriptionAttribute)
{
descriptionAttribute = (DescriptionAttribute)attribute;
}
else if (attribute is DefaultValueAttribute)
{
defaultValueAttribute = (DefaultValueAttribute)attribute;
}
}
Type propertyType = info.PropertyType;
// If the property is a Collection we need to look for the ConfigurationCollectionAttribute for
// additional customization.
if (typeof(ConfigurationElementCollection).IsAssignableFrom(propertyType))
{
// Look for the ConfigurationCollection attribute on the property itself, fall back
// on the property type.
ConfigurationCollectionAttribute collectionAttribute =
Attribute.GetCustomAttribute(info,
typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute ??
Attribute.GetCustomAttribute(propertyType,
typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
if (collectionAttribute != null)
{
if (collectionAttribute.AddItemName.IndexOf(',') == -1)
{
AddElementName = collectionAttribute.AddItemName; // string.Contains(char) is .NetCore2.1+ specific
}
RemoveElementName = collectionAttribute.RemoveItemName;
ClearElementName = collectionAttribute.ClearItemsName;
}
}
// This constructor shouldn't be invoked if the reflection info is not for an actual config property
Debug.Assert(propertyAttribute != null, "attribProperty != null");
ConstructorInit(propertyAttribute.Name,
info.PropertyType,
propertyAttribute.Options,
validator,
typeConverter);
// Figure out the default value
InitDefaultValueFromTypeInfo(propertyAttribute, defaultValueAttribute);
// Get the description
if (!string.IsNullOrEmpty(descriptionAttribute?.Description))
{
Description = descriptionAttribute.Description;
}
}
protected internal virtual ConfigurationProperty CreateNameConfigurationProperty(object defaultValue, ConfigurationPropertyOptions options, ConfigurationValidatorBase validator)
{
return new ConfigurationProperty(this.NamePropertyName, typeof(string), defaultValue, null, validator, options);
}
public ConfigurationElementProperty(ConfigurationValidatorBase validator)
{
Contract.Requires(validator != null);
}
internal static void ValidateElement(ConfigurationElement elem, ConfigurationValidatorBase propValidator, bool recursive)
{
ConfigurationValidatorBase configurationValidatorBase = propValidator;
if (configurationValidatorBase == null)
{
if (elem.ElementProperty != null)
{
configurationValidatorBase = elem.ElementProperty.Validator;
if (configurationValidatorBase != null)
{
if (!configurationValidatorBase.CanValidate(elem.GetType()))
throw new ConfigurationErrorsException(System.Configuration.SR.GetString("Validator_does_not_support_elem_type", new object[1]
{
(object) elem.GetType().Name
}));
}
}
}
try
{
if (configurationValidatorBase != null)
configurationValidatorBase.Validate((object) elem);
}
catch (ConfigurationException ex)
{
throw;
}
catch (Exception ex)
{
throw new ConfigurationErrorsException(System.Configuration.SR.GetString("Validator_element_not_valid", (object) elem._elementTagName, (object) ex.Message));
}
if (!recursive)
return;
if (elem is ConfigurationElementCollection && elem is ConfigurationElementCollection)
{
IEnumerator elementsEnumerator = ((ConfigurationElementCollection) elem).GetElementsEnumerator();
while (elementsEnumerator.MoveNext())
ConfigurationElement.ValidateElement((ConfigurationElement) elementsEnumerator.Current, (ConfigurationValidatorBase) null, true);
}
for (int index = 0; index < elem.Values.Count; ++index)
{
ConfigurationElement elem1 = elem.Values[index] as ConfigurationElement;
if (elem1 != null)
ConfigurationElement.ValidateElement(elem1, (ConfigurationValidatorBase) null, true);
}
}
private static void CachePerTypeValidator( Type type, ConfigurationValidatorBase validator ) {
Debug.Assert((type != null) && ( validator != null));
Debug.Assert(typeof(ConfigurationElement).IsAssignableFrom(type));
// Use the same lock as the property bag lock since in the current implementation
// the only way to get to this method is through the code path that locks the property bag cache first ( see PropertiesFromType() )
// NOTE[ Thread Safety ]: Non-guarded access to static variable - since this code is called only from CreatePropertyBagFromType
// which in turn is done onle once per type and is guarded by the s_propertyBag.SyncRoot then this call is thread safe as well
if (s_perTypeValidators == null ) {
s_perTypeValidators = new Dictionary<Type,ConfigurationValidatorBase>();
}
// A type validator should be cached only once. If it isn't then attribute parsing is done more then once which should be avoided
Debug.Assert( !s_perTypeValidators.ContainsKey(type));
// Make sure the supplied validator supports validating this object
if (!validator.CanValidate(type)) {
throw new ConfigurationErrorsException(SR.GetString(SR.Validator_does_not_support_elem_type,
type.Name));
}
s_perTypeValidators.Add(type, validator);
}
private void ConstructorInit(string name,
Type type,
ConfigurationPropertyOptions options,
ConfigurationValidatorBase validator,
TypeConverter converter) {
if (typeof(ConfigurationSection).IsAssignableFrom(type)) {
throw new ConfigurationErrorsException(SR.GetString(SR.Config_properties_may_not_be_derived_from_configuration_section, name));
}
_providedName = name; // save the provided name so we can check for default collection names
if ((options & ConfigurationPropertyOptions.IsDefaultCollection) != 0 &&
String.IsNullOrEmpty(name)) {
name = DefaultCollectionPropertyName;
}
else {
ValidatePropertyName(name);
}
_name = name;
_type = type;
_options = options;
_validator = validator;
_converter = converter;
// Use the default validator if none was supplied
if (_validator == null) {
_validator = DefaultValidatorInstance;
}
else {
// Make sure the supplied validator supports the type of this property
if (!_validator.CanValidate(_type)) {
throw new ConfigurationErrorsException(SR.GetString(SR.Validator_does_not_support_prop_type, _name));
}
}
}
public ConfigurationValidatorWrappingValidator(ConfigurationValidatorBase validatorInstance)
{
this.validatorInstance = validatorInstance;
}
internal static void ValidateElement(ConfigurationElement elem, ConfigurationValidatorBase propValidator, bool recursive)
{
ConfigurationValidatorBase validator = propValidator;
if ((validator == null) && (elem.ElementProperty != null))
{
validator = elem.ElementProperty.Validator;
if ((validator != null) && !validator.CanValidate(elem.GetType()))
{
throw new ConfigurationErrorsException(System.Configuration.SR.GetString("Validator_does_not_support_elem_type", new object[] { elem.GetType().Name }));
}
}
try
{
if (validator != null)
{
validator.Validate(elem);
}
}
catch (ConfigurationException)
{
throw;
}
catch (Exception exception)
{
throw new ConfigurationErrorsException(System.Configuration.SR.GetString("Validator_element_not_valid", new object[] { elem._elementTagName, exception.Message }));
}
if (recursive)
{
if ((elem is ConfigurationElementCollection) && (elem is ConfigurationElementCollection))
{
IEnumerator elementsEnumerator = ((ConfigurationElementCollection) elem).GetElementsEnumerator();
while (elementsEnumerator.MoveNext())
{
ValidateElement((ConfigurationElement) elementsEnumerator.Current, null, true);
}
}
for (int i = 0; i < elem.Values.Count; i++)
{
ConfigurationElement element = elem.Values[i] as ConfigurationElement;
if (element != null)
{
ValidateElement(element, null, true);
}
}
}
}
internal static void ValidateElement(ConfigurationElement elem, ConfigurationValidatorBase propValidator, bool recursive) {
// Validate a config element with the per-type validator when a per-property ( propValidator ) is not supplied
// or with the per-prop validator when the element ( elem ) is a child property of another configuration element
ConfigurationValidatorBase validator = propValidator;
if ((validator == null) && // Not a property - use the per-type validator
(elem.ElementProperty != null)) {
validator = elem.ElementProperty.Validator;
// Since ElementProperty can be overriden by derived classes we need to make sure that
// the validator supports the type of elem every time
if ((validator != null) && !validator.CanValidate(elem.GetType())) {
throw new ConfigurationErrorsException(SR.GetString(SR.Validator_does_not_support_elem_type, elem.GetType().Name));
}
}
try {
if (validator != null) {
validator.Validate(elem);
}
}
catch (ConfigurationException) {
// ConfigurationElement validators are allowed to throw ConfigurationErrorsException.
throw;
}
catch (Exception ex) {
throw new ConfigurationErrorsException(SR.GetString(SR.Validator_element_not_valid, elem._elementTagName, ex.Message));
}
catch {
throw new ConfigurationErrorsException(SR.GetString(SR.Validator_element_not_valid, elem._elementTagName, ExceptionUtil.NoExceptionInformation));
}
if (recursive == true) {
if (elem is ConfigurationElementCollection) {
if (elem is ConfigurationElementCollection) {
IEnumerator it = ((ConfigurationElementCollection)elem).GetElementsEnumerator();
while( it.MoveNext() ) {
ValidateElement((ConfigurationElement)it.Current, null, true);
}
}
}
// Validate all child elements recursively
for (int index = 0; index < elem.Values.Count; index++) {
ConfigurationElement value = elem.Values[index] as ConfigurationElement;
if (value != null) {
// Run the per-type validator on the child element and proceed with validation in subelements
// Note we dont run the per-property validator here since we run those when the property value is set
ValidateElement(value, null, true); // per-type
}
}
}
}
internal ConfigurationProperty(PropertyInfo info)
{
Debug.Assert(info != null, "info != null");
// Bellow are the attributes we handle
TypeConverterAttribute attribConverter = null;
ConfigurationPropertyAttribute attribProperty = null;
ConfigurationValidatorAttribute attribValidator = null;
// Compatability attributes
// If the approprite data is provided in the ConfigPropAttribute then the one bellow will be ignored
DescriptionAttribute attribStdDescription = null;
DefaultValueAttribute attribStdDefault = null;
TypeConverter typeConverter = null;
ConfigurationValidatorBase validator = null;
// Find the interesting attributes in the collection
foreach (Attribute attribute in Attribute.GetCustomAttributes(info))
{
if (attribute is TypeConverterAttribute)
{
attribConverter = (TypeConverterAttribute)attribute;
typeConverter = (TypeConverter)TypeUtil.CreateInstanceWithReflectionPermission(attribConverter.ConverterTypeName);
}
else if (attribute is ConfigurationPropertyAttribute)
{
attribProperty = (ConfigurationPropertyAttribute)attribute;
}
else if (attribute is ConfigurationValidatorAttribute)
{
if (validator != null)
{
throw new ConfigurationErrorsException(SR.GetString(SR.Validator_multiple_validator_attributes, info.Name));
}
attribValidator = (ConfigurationValidatorAttribute)attribute;
validator = attribValidator.ValidatorInstance;
}
else if (attribute is DescriptionAttribute)
{
attribStdDescription = (DescriptionAttribute)attribute;
}
else if (attribute is DefaultValueAttribute)
{
attribStdDefault = (DefaultValueAttribute)attribute;
}
}
Type propertyType = info.PropertyType;
// Collections need some customization when the collection attribute is present
if (typeof(ConfigurationElementCollection).IsAssignableFrom(propertyType))
{
ConfigurationCollectionAttribute attribCollection =
Attribute.GetCustomAttribute(info,
typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
// If none on the property - see if there is an attribute on the collection type itself
if (attribCollection == null)
{
attribCollection =
Attribute.GetCustomAttribute(propertyType,
typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
}
if (attribCollection != null)
{
if (attribCollection.AddItemName.IndexOf(',') == -1)
{
_addElementName = attribCollection.AddItemName;
}
_removeElementName = attribCollection.RemoveItemName;
_clearElementName = attribCollection.ClearItemsName;
}
}
// This constructor shouldnt be invoked if the reflection info is not for an actual config property
Debug.Assert(attribProperty != null, "attribProperty != null");
ConstructorInit(attribProperty.Name,
info.PropertyType,
attribProperty.Options,
validator,
typeConverter);
// Figure out the default value
InitDefaultValueFromTypeInfo(attribProperty, attribStdDefault);
// Get the description
if ((attribStdDescription != null) && !string.IsNullOrEmpty(attribStdDescription.Description))
{
_description = attribStdDescription.Description;
}
}
public ConfigurationElementProperty(ConfigurationValidatorBase validator)
{
}
internal ConfigurationProperty(PropertyInfo info)
{
Debug.Assert(info != null, "info != null");
// Bellow are the attributes we handle
ConfigurationPropertyAttribute attribProperty = null;
// Compatability attributes
// If the approprite data is provided in the ConfigPropAttribute then the one bellow will be ignored
DescriptionAttribute attribStdDescription = null;
DefaultValueAttribute attribStdDefault = null;
TypeConverter typeConverter = null;
ConfigurationValidatorBase validator = null;
// Find the interesting attributes in the collection
foreach (Attribute attribute in Attribute.GetCustomAttributes(info))
{
if (attribute is TypeConverterAttribute)
{
TypeConverterAttribute attribConverter = (TypeConverterAttribute)attribute;
typeConverter = TypeUtil.CreateInstance <TypeConverter>(attribConverter.ConverterTypeName);
}
else
{
if (attribute is ConfigurationPropertyAttribute)
{
attribProperty = (ConfigurationPropertyAttribute)attribute;
}
else
{
if (attribute is ConfigurationValidatorAttribute)
{
// There could be more then one validator attribute specified on a property
// Currently we consider this an error since it's too late to fix it for whidbey
// but the right thing to do is to introduce new validator type ( CompositeValidator ) that is a list of validators and executes
// them all
if (validator != null)
{
throw new ConfigurationErrorsException(
string.Format(SR.Validator_multiple_validator_attributes, info.Name));
}
ConfigurationValidatorAttribute attribValidator = (ConfigurationValidatorAttribute)attribute;
attribValidator.SetDeclaringType(info.DeclaringType);
validator = attribValidator.ValidatorInstance;
}
else
{
if (attribute is DescriptionAttribute)
{
attribStdDescription = (DescriptionAttribute)attribute;
}
else
{
if (attribute is DefaultValueAttribute)
{
attribStdDefault = (DefaultValueAttribute)attribute;
}
}
}
}
}
}
Type propertyType = info.PropertyType;
// Collections need some customization when the collection attribute is present
if (typeof(ConfigurationElementCollection).IsAssignableFrom(propertyType))
{
ConfigurationCollectionAttribute attribCollection =
Attribute.GetCustomAttribute(info,
typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute ??
Attribute.GetCustomAttribute(propertyType,
typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
// If none on the property - see if there is an attribute on the collection type itself
if (attribCollection != null)
{
if (attribCollection.AddItemName.IndexOf(',') == -1)
{
AddElementName = attribCollection.AddItemName;
}
RemoveElementName = attribCollection.RemoveItemName;
ClearElementName = attribCollection.ClearItemsName;
}
}
// This constructor shouldnt be invoked if the reflection info is not for an actual config property
Debug.Assert(attribProperty != null, "attribProperty != null");
ConstructorInit(attribProperty.Name,
info.PropertyType,
attribProperty.Options,
validator,
typeConverter);
// Figure out the default value
InitDefaultValueFromTypeInfo(attribProperty, attribStdDefault);
// Get the description
if (!string.IsNullOrEmpty(attribStdDescription?.Description))
{
Description = attribStdDescription.Description;
}
}
private static void CachePerTypeValidator(Type type, ConfigurationValidatorBase validator)
{
if (s_perTypeValidators == null)
{
s_perTypeValidators = new Dictionary<Type, ConfigurationValidatorBase>();
}
if (!validator.CanValidate(type))
{
throw new ConfigurationErrorsException(System.Configuration.SR.GetString("Validator_does_not_support_elem_type", new object[] { type.Name }));
}
s_perTypeValidators.Add(type, validator);
}
internal ConfigurationProperty(PropertyInfo info)
{
TypeConverterAttribute attribute = null;
ConfigurationPropertyAttribute attribProperty = null;
ConfigurationValidatorAttribute attribute3 = null;
DescriptionAttribute attribute4 = null;
DefaultValueAttribute attribStdDefault = null;
TypeConverter converter = null;
ConfigurationValidatorBase validator = null;
foreach (Attribute attribute6 in Attribute.GetCustomAttributes(info))
{
if (attribute6 is TypeConverterAttribute)
{
attribute = (TypeConverterAttribute)attribute6;
converter = (TypeConverter)System.Configuration.TypeUtil.CreateInstanceWithReflectionPermission(attribute.ConverterTypeName);
}
else if (attribute6 is ConfigurationPropertyAttribute)
{
attribProperty = (ConfigurationPropertyAttribute)attribute6;
}
else if (attribute6 is ConfigurationValidatorAttribute)
{
if (validator != null)
{
throw new ConfigurationErrorsException(System.Configuration.SR.GetString("Validator_multiple_validator_attributes", new object[] { info.Name }));
}
attribute3 = (ConfigurationValidatorAttribute)attribute6;
validator = attribute3.ValidatorInstance;
}
else if (attribute6 is DescriptionAttribute)
{
attribute4 = (DescriptionAttribute)attribute6;
}
else if (attribute6 is DefaultValueAttribute)
{
attribStdDefault = (DefaultValueAttribute)attribute6;
}
}
System.Type propertyType = info.PropertyType;
if (typeof(ConfigurationElementCollection).IsAssignableFrom(propertyType))
{
ConfigurationCollectionAttribute customAttribute = Attribute.GetCustomAttribute(info, typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
if (customAttribute == null)
{
customAttribute = Attribute.GetCustomAttribute(propertyType, typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
}
if (customAttribute != null)
{
if (customAttribute.AddItemName.IndexOf(',') == -1)
{
this._addElementName = customAttribute.AddItemName;
}
this._removeElementName = customAttribute.RemoveItemName;
this._clearElementName = customAttribute.ClearItemsName;
}
}
this.ConstructorInit(attribProperty.Name, info.PropertyType, attribProperty.Options, validator, converter);
this.InitDefaultValueFromTypeInfo(attribProperty, attribStdDefault);
if ((attribute4 != null) && !string.IsNullOrEmpty(attribute4.Description))
{
this._description = attribute4.Description;
}
}
internal static void ValidateElement(ConfigurationElement elem, ConfigurationValidatorBase propValidator,
bool recursive)
{
// Validate a config element with the per-type validator when a per-property ( propValidator ) is not supplied
// or with the per-prop validator when the element ( elem ) is a child property of another configuration element
ConfigurationValidatorBase validator = propValidator;
if ((validator == null) && // Not a property - use the per-type validator
(elem.ElementProperty != null))
{
validator = elem.ElementProperty.Validator;
// Since ElementProperty can be overriden by derived classes we need to make sure that
// the validator supports the type of elem every time
if ((validator != null) && !validator.CanValidate(elem.GetType()))
{
throw new ConfigurationErrorsException(string.Format(SR.Validator_does_not_support_elem_type,
elem.GetType().Name));
}
}
try
{
validator?.Validate(elem);
}
catch (ConfigurationException)
{
// ConfigurationElement validators are allowed to throw ConfigurationErrorsException.
throw;
}
catch (Exception ex)
{
throw new ConfigurationErrorsException(string.Format(SR.Validator_element_not_valid, elem.ElementTagName,
ex.Message));
}
if (recursive)
{
// Validate collection items:
// Note: this is a bit of a hack - we will exploit the fact that this method is called with recursive == true only when serializing the top level section
// At deserializtion time the per-element validator for collection items will get executed as part of their deserialization logic
// However we dont perform validation in the serialization logic ( because at that time the object is unmerged and not all data is present )
// so we have to do that validation here.
if (elem is ConfigurationElementCollection)
{
IEnumerator it = ((ConfigurationElementCollection)elem).GetElementsEnumerator();
while (it.MoveNext()) ValidateElement((ConfigurationElement)it.Current, null, true);
}
// Validate all child elements recursively
for (int index = 0; index < elem.Values.Count; index++)
{
ConfigurationElement value = elem.Values[index] as ConfigurationElement;
if (value != null)
{
// Run the per-type validator on the child element and proceed with validation in subelements
// Note we dont run the per-property validator here since we run those when the property value is set
ValidateElement(value, null, true); // per-type
}
}
}
}
public ConfigurationProperty(string name, Type type, Object defaultValue, System.ComponentModel.TypeConverter typeConverter, ConfigurationValidatorBase validator, ConfigurationPropertyOptions options, string description)
{
}