ProviderSettings
Represents the configuration elements associated with a provider.
using System.Collections;
using System.Collections.Specialized;
namespace System.Configuration
{
public sealed class ProviderSettings : ConfigurationElement
{
private readonly ConfigurationPropertyCollection _properties;
private readonly ConfigurationProperty _propName = new ConfigurationProperty("name", typeof(string), null, null, ConfigurationProperty.s_nonEmptyStringValidator, ConfigurationPropertyOptions.IsRequired | ConfigurationPropertyOptions.IsKey);
private readonly ConfigurationProperty _propType = new ConfigurationProperty("type", typeof(string), "", ConfigurationPropertyOptions.IsRequired | ConfigurationPropertyOptions.IsTypeStringTransformationRequired);
private NameValueCollection _propertyNameCollection;
protected internal override ConfigurationPropertyCollection Properties {
get {
UpdatePropertyCollection();
return _properties;
}
}
[ConfigurationProperty("name", IsRequired = true, IsKey = true)]
public string Name {
get {
return (string)base[_propName];
}
set {
base[_propName] = value;
}
}
[ConfigurationProperty("type", IsRequired = true)]
public string Type {
get {
return (string)base[_propType];
}
set {
base[_propType] = value;
}
}
public NameValueCollection Parameters {
get {
if (_propertyNameCollection != null)
return _propertyNameCollection;
lock (this) {
_propertyNameCollection = new NameValueCollection(StringComparer.Ordinal);
foreach (ConfigurationProperty property in _properties) {
if (property.Name != "name" && property.Name != "type")
_propertyNameCollection.Add(property.Name, (string)base[property]);
}
}
return _propertyNameCollection;
}
}
public ProviderSettings()
{
_properties = new ConfigurationPropertyCollection {
_propName,
_propType
};
_propertyNameCollection = null;
}
public ProviderSettings(string name, string type)
: this()
{
Name = name;
Type = type;
}
protected internal override void Unmerge(ConfigurationElement sourceElement, ConfigurationElement parentElement, ConfigurationSaveMode saveMode)
{
(parentElement as ProviderSettings)?.UpdatePropertyCollection();
(sourceElement as ProviderSettings)?.UpdatePropertyCollection();
base.Unmerge(sourceElement, parentElement, saveMode);
UpdatePropertyCollection();
}
protected internal override void Reset(ConfigurationElement parentElement)
{
(parentElement as ProviderSettings)?.UpdatePropertyCollection();
base.Reset(parentElement);
}
internal bool UpdatePropertyCollection()
{
bool result = false;
ArrayList arrayList = null;
if (_propertyNameCollection != null) {
foreach (ConfigurationProperty property2 in _properties) {
if (property2.Name != "name" && property2.Name != "type" && _propertyNameCollection.Get(property2.Name) == null) {
if (arrayList == null)
arrayList = new ArrayList();
if ((base.Values.GetConfigValue(property2.Name).ValueFlags & ConfigurationValueFlags.Locked) == ConfigurationValueFlags.Default) {
arrayList.Add(property2.Name);
result = true;
}
}
}
if (arrayList != null) {
foreach (string item in arrayList) {
_properties.Remove(item);
}
}
foreach (string item2 in _propertyNameCollection) {
string text2 = _propertyNameCollection[item2];
string property = GetProperty(item2);
if (property == null || text2 != property) {
SetProperty(item2, text2);
result = true;
}
}
}
_propertyNameCollection = null;
return result;
}
protected internal override bool IsModified()
{
if (!UpdatePropertyCollection())
return base.IsModified();
return true;
}
private string GetProperty(string propName)
{
if (_properties.Contains(propName)) {
ConfigurationProperty configurationProperty = _properties[propName];
if (configurationProperty != null)
return (string)base[configurationProperty];
}
return null;
}
private void SetProperty(string propName, string value)
{
ConfigurationProperty configurationProperty;
if (_properties.Contains(propName))
configurationProperty = _properties[propName];
else {
configurationProperty = new ConfigurationProperty(propName, typeof(string), null);
_properties.Add(configurationProperty);
}
if (configurationProperty != null)
base[configurationProperty] = value;
}
protected override bool OnDeserializeUnrecognizedAttribute(string name, string value)
{
ConfigurationProperty configurationProperty = new ConfigurationProperty(name, typeof(string), value);
_properties.Add(configurationProperty);
base[configurationProperty] = value;
Parameters[name] = value;
return true;
}
}
}