Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / CompMod / System / Diagnostics / SourceElementsCollection.cs / 1 / SourceElementsCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System.Configuration; using System.Collections; using System.Collections.Specialized; using System.Xml; namespace System.Diagnostics { [ConfigurationCollection(typeof(SourceElement), AddItemName = "source", CollectionType = ConfigurationElementCollectionType.BasicMap)] internal class SourceElementsCollection : ConfigurationElementCollection { new public SourceElement this[string name] { get { return (SourceElement) BaseGet(name); } } protected override string ElementName { get { return "source"; } } public override ConfigurationElementCollectionType CollectionType { get { return ConfigurationElementCollectionType.BasicMap; } } protected override ConfigurationElement CreateNewElement() { SourceElement se = new SourceElement(); se.Listeners.InitializeDefaultInternal(); return se; } protected override Object GetElementKey(ConfigurationElement element) { return ((SourceElement) element).Name; } } internal class SourceElement : ConfigurationElement { private static readonly ConfigurationPropertyCollection _properties; private static readonly ConfigurationProperty _propName = new ConfigurationProperty("name", typeof(string), "", ConfigurationPropertyOptions.IsRequired); private static readonly ConfigurationProperty _propSwitchName = new ConfigurationProperty("switchName", typeof(string), null, ConfigurationPropertyOptions.None); private static readonly ConfigurationProperty _propSwitchValue = new ConfigurationProperty("switchValue", typeof(string), null, ConfigurationPropertyOptions.None); private static readonly ConfigurationProperty _propSwitchType = new ConfigurationProperty("switchType", typeof(string), null, ConfigurationPropertyOptions.None); private static readonly ConfigurationProperty _propListeners = new ConfigurationProperty("listeners", typeof(ListenerElementsCollection), new ListenerElementsCollection(), ConfigurationPropertyOptions.None); private Hashtable _attributes; static SourceElement() { _properties = new ConfigurationPropertyCollection(); _properties.Add(_propName); _properties.Add(_propSwitchName); _properties.Add(_propSwitchValue); _properties.Add(_propSwitchType); _properties.Add(_propListeners); } public Hashtable Attributes { get { if (_attributes == null) _attributes = new Hashtable(StringComparer.OrdinalIgnoreCase); return _attributes; } } [ConfigurationProperty("listeners")] public ListenerElementsCollection Listeners { get { return (ListenerElementsCollection) this[_propListeners]; } } [ConfigurationProperty("name", IsRequired=true, DefaultValue="")] public string Name { get { return (string) this[_propName]; } } protected override ConfigurationPropertyCollection Properties { get { return _properties; } } [ConfigurationProperty("switchName")] public string SwitchName { get { return (string) this[_propSwitchName]; } } [ConfigurationProperty("switchValue")] public string SwitchValue { get { return (string) this[_propSwitchValue]; } } [ConfigurationProperty("switchType")] public string SwitchType { get { return (string) this[_propSwitchType]; } } protected override void DeserializeElement(XmlReader reader, bool serializeCollectionKey) { base.DeserializeElement(reader, serializeCollectionKey); if (!String.IsNullOrEmpty(SwitchName) && !String.IsNullOrEmpty(SwitchValue)) throw new ConfigurationErrorsException(SR.GetString(SR.Only_specify_one, Name)); } protected override bool OnDeserializeUnrecognizedAttribute(String name, String value) { ConfigurationProperty _propDynamic = new ConfigurationProperty(name, typeof(string), value); _properties.Add(_propDynamic); base[_propDynamic] = value; // Add them to the property bag Attributes.Add(name, value); return true; } internal void ResetProperties() { // blow away any UnrecognizedAttributes that we have deserialized earlier if (_attributes != null) { _attributes.Clear(); _properties.Clear(); _properties.Add(_propName); _properties.Add(_propSwitchName); _properties.Add(_propSwitchValue); _properties.Add(_propSwitchType); _properties.Add(_propListeners); } } } }
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