WebRequestModuleElement.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Net / System / Net / Configuration / WebRequestModuleElement.cs / 1 / WebRequestModuleElement.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Net.Configuration 
{ 
    using System;
    using System.Configuration; 
    using System.ComponentModel;
    using System.Globalization;
    using System.Reflection;
    using System.Security.Permissions; 

    public sealed class WebRequestModuleElement : ConfigurationElement 
    { 
        public WebRequestModuleElement()
        { 
            this.properties.Add(this.prefix);
            this.properties.Add(this.type);
        }
 
        public WebRequestModuleElement(string prefix, string type) : this()
        { 
            this.Prefix = prefix; 
            this[this.type] = new TypeAndName(type);
        } 

        public WebRequestModuleElement(string prefix, Type type) : this()
        {
            this.Prefix = prefix; 
            this.Type = type;
        } 
 
        protected override ConfigurationPropertyCollection Properties
        { 
            get
            {
                return this.properties;
            } 
        }
 
        [ConfigurationProperty(ConfigurationStrings.Prefix, IsRequired=true, IsKey = true)] 
        public string Prefix
        { 
            get { return (string)this[this.prefix]; }
            set { this[this.prefix] = value; }
        }
 
        [ConfigurationProperty(ConfigurationStrings.Type)]
        [TypeConverter(typeof(TypeTypeConverter))] 
        public Type Type 
        {
            get 
            {
                TypeAndName typeName = (TypeAndName)this[this.type];
                if (typeName != null)
                { 
                    return typeName.type;
                } 
                else 
                {
                    return null; 
                }
            }
            set { this[this.type] = new TypeAndName(value); }
        } 

        internal string Key 
        { 
            get { return this.Prefix; }
        } 

        ConfigurationPropertyCollection properties = new ConfigurationPropertyCollection();

        readonly ConfigurationProperty prefix = 
            new ConfigurationProperty(ConfigurationStrings.Prefix,
                                      typeof(string), 
                                      null, 
                                      ConfigurationPropertyOptions.IsKey);
 
        readonly ConfigurationProperty type =
            new ConfigurationProperty(ConfigurationStrings.Type,
                                      typeof(TypeAndName),
                                      null, 
                                      new TypeTypeConverter(),
                                      null, 
                                      ConfigurationPropertyOptions.None); 

 
        class TypeAndName
        {
            public TypeAndName(string name)
            { 
                this.type = Type.GetType(name, true, true);
                this.name = name; 
            } 

            public TypeAndName(Type type) 
            {
                this.type = type;
            }
 
            public override int GetHashCode()
            { 
                return type.GetHashCode(); 
            }
 
            public override bool Equals(object comparand)
            {
                return type.Equals(((TypeAndName) comparand).type);
            } 

            public readonly Type type; 
            public readonly string name; 
        }
 
        class TypeTypeConverter : TypeConverter {
            public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) {
                if (sourceType == typeof(string)) {
                    return true; 
                }
                return base.CanConvertFrom(context, sourceType); 
            } 

            public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) { 
                if (value is string) {
                    return new TypeAndName((string) value);
                }
 
                return base.ConvertFrom(context, culture, value);
            } 
 
            public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) {
                if (destinationType == typeof(string)) { 
                    TypeAndName castedValue = (TypeAndName) value;
                    return castedValue.name == null ? castedValue.type.AssemblyQualifiedName : castedValue.name;
                }
 
                return base.ConvertTo(context, culture, value, destinationType);
            } 
        } 
    }
}

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