WebRequestModulesSection.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / Net / System / Net / Configuration / WebRequestModulesSection.cs / 1 / WebRequestModulesSection.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Net.Configuration 
{ 
    using System.Configuration;
    using System.Collections; 
    using System.Globalization;
    using System.Net;
    using System.Reflection;
    using System.Threading; 
    public sealed class WebRequestModulesSection : ConfigurationSection
    { 
        public WebRequestModulesSection() 
        {
            this.properties.Add(this.webRequestModules); 
        }

        protected override void PostDeserialize()
        { 
            // Perf optimization. If the configuration is coming from machine.config
            // It is safe and we don't need to check for permissions. 
            if (EvaluationContext.IsMachineLevel) 
                return;
 
            try {
                ExceptionHelper.WebPermissionUnrestricted.Demand();
            } catch (Exception exception) {
                throw new ConfigurationErrorsException( 
                              SR.GetString(SR.net_config_section_permission,
                                           ConfigurationStrings.WebRequestModulesSectionName), 
                              exception); 
            }
        } 

        protected override void InitializeDefault()
        {
            this.WebRequestModules.Add( 
                new WebRequestModuleElement(ConfigurationStrings.Https, typeof(HttpRequestCreator)));
            this.WebRequestModules.Add( 
                new WebRequestModuleElement(ConfigurationStrings.Http, typeof(HttpRequestCreator))); 
            this.WebRequestModules.Add(
                new WebRequestModuleElement(ConfigurationStrings.File, typeof(FileWebRequestCreator))); 
            this.WebRequestModules.Add(
                new WebRequestModuleElement(ConfigurationStrings.Ftp, typeof(FtpWebRequestCreator)));
        }
 
        protected override ConfigurationPropertyCollection Properties
        { 
            get { return this.properties; } 
        }
 
        [ConfigurationProperty("", IsDefaultCollection=true )]
        public WebRequestModuleElementCollection WebRequestModules
        {
            get { return (WebRequestModuleElementCollection)this[this.webRequestModules]; } 
        }
 
        ConfigurationPropertyCollection properties = new ConfigurationPropertyCollection(); 

        readonly ConfigurationProperty webRequestModules = 
            new ConfigurationProperty(null, typeof(WebRequestModuleElementCollection), null,
                    ConfigurationPropertyOptions.IsDefaultCollection);
    }
 
    internal sealed class WebRequestModulesSectionInternal
    { 
        internal WebRequestModulesSectionInternal(WebRequestModulesSection section) 
        {
            if (section.WebRequestModules.Count > 0) 
            {
                this.webRequestModules = new ArrayList(section.WebRequestModules.Count);
                foreach(WebRequestModuleElement webRequestModuleElement in section.WebRequestModules)
                { 
                    try
                    { 
                        this.webRequestModules.Add(new WebRequestPrefixElement(webRequestModuleElement.Prefix, webRequestModuleElement.Type)); 
                    }
                    catch (Exception exception) 
                    {
                        if (NclUtilities.IsFatal(exception)) throw;

                        throw new ConfigurationErrorsException(SR.GetString(SR.net_config_webrequestmodules), exception); 
                    }
                    catch { 
                        // 
                        // throw exception for config debugging
                        // 

                        throw new ConfigurationErrorsException(ConfigurationStrings.WebRequestModulesSectionPath, new Exception(SR.GetString(SR.net_nonClsCompliantException)));
                    }
                } 
            }
        } 
 
        internal static object ClassSyncObject
        { 
            get
            {
                if (classSyncObject == null)
                { 
                    object o = new object();
                    Interlocked.CompareExchange(ref classSyncObject, o, null); 
                } 
                return classSyncObject;
            } 
        }

        static internal WebRequestModulesSectionInternal GetSection()
        { 
            lock (WebRequestModulesSectionInternal.ClassSyncObject)
            { 
                WebRequestModulesSection section = PrivilegedConfigurationManager.GetSection(ConfigurationStrings.WebRequestModulesSectionPath) as WebRequestModulesSection; 
                if (section == null)
                    return null; 

                return new WebRequestModulesSectionInternal(section);
            }
        } 

        internal ArrayList WebRequestModules 
        { 
            get
            { 
                ArrayList retval = this.webRequestModules;
                if (retval == null)
                {
                    retval = new ArrayList(0); 
                }
                return retval; 
            } 
        }
 
        static object classSyncObject = null;
        ArrayList webRequestModules = null;
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Net.Configuration 
{ 
    using System.Configuration;
    using System.Collections; 
    using System.Globalization;
    using System.Net;
    using System.Reflection;
    using System.Threading; 
    public sealed class WebRequestModulesSection : ConfigurationSection
    { 
        public WebRequestModulesSection() 
        {
            this.properties.Add(this.webRequestModules); 
        }

        protected override void PostDeserialize()
        { 
            // Perf optimization. If the configuration is coming from machine.config
            // It is safe and we don't need to check for permissions. 
            if (EvaluationContext.IsMachineLevel) 
                return;
 
            try {
                ExceptionHelper.WebPermissionUnrestricted.Demand();
            } catch (Exception exception) {
                throw new ConfigurationErrorsException( 
                              SR.GetString(SR.net_config_section_permission,
                                           ConfigurationStrings.WebRequestModulesSectionName), 
                              exception); 
            }
        } 

        protected override void InitializeDefault()
        {
            this.WebRequestModules.Add( 
                new WebRequestModuleElement(ConfigurationStrings.Https, typeof(HttpRequestCreator)));
            this.WebRequestModules.Add( 
                new WebRequestModuleElement(ConfigurationStrings.Http, typeof(HttpRequestCreator))); 
            this.WebRequestModules.Add(
                new WebRequestModuleElement(ConfigurationStrings.File, typeof(FileWebRequestCreator))); 
            this.WebRequestModules.Add(
                new WebRequestModuleElement(ConfigurationStrings.Ftp, typeof(FtpWebRequestCreator)));
        }
 
        protected override ConfigurationPropertyCollection Properties
        { 
            get { return this.properties; } 
        }
 
        [ConfigurationProperty("", IsDefaultCollection=true )]
        public WebRequestModuleElementCollection WebRequestModules
        {
            get { return (WebRequestModuleElementCollection)this[this.webRequestModules]; } 
        }
 
        ConfigurationPropertyCollection properties = new ConfigurationPropertyCollection(); 

        readonly ConfigurationProperty webRequestModules = 
            new ConfigurationProperty(null, typeof(WebRequestModuleElementCollection), null,
                    ConfigurationPropertyOptions.IsDefaultCollection);
    }
 
    internal sealed class WebRequestModulesSectionInternal
    { 
        internal WebRequestModulesSectionInternal(WebRequestModulesSection section) 
        {
            if (section.WebRequestModules.Count > 0) 
            {
                this.webRequestModules = new ArrayList(section.WebRequestModules.Count);
                foreach(WebRequestModuleElement webRequestModuleElement in section.WebRequestModules)
                { 
                    try
                    { 
                        this.webRequestModules.Add(new WebRequestPrefixElement(webRequestModuleElement.Prefix, webRequestModuleElement.Type)); 
                    }
                    catch (Exception exception) 
                    {
                        if (NclUtilities.IsFatal(exception)) throw;

                        throw new ConfigurationErrorsException(SR.GetString(SR.net_config_webrequestmodules), exception); 
                    }
                    catch { 
                        // 
                        // throw exception for config debugging
                        // 

                        throw new ConfigurationErrorsException(ConfigurationStrings.WebRequestModulesSectionPath, new Exception(SR.GetString(SR.net_nonClsCompliantException)));
                    }
                } 
            }
        } 
 
        internal static object ClassSyncObject
        { 
            get
            {
                if (classSyncObject == null)
                { 
                    object o = new object();
                    Interlocked.CompareExchange(ref classSyncObject, o, null); 
                } 
                return classSyncObject;
            } 
        }

        static internal WebRequestModulesSectionInternal GetSection()
        { 
            lock (WebRequestModulesSectionInternal.ClassSyncObject)
            { 
                WebRequestModulesSection section = PrivilegedConfigurationManager.GetSection(ConfigurationStrings.WebRequestModulesSectionPath) as WebRequestModulesSection; 
                if (section == null)
                    return null; 

                return new WebRequestModulesSectionInternal(section);
            }
        } 

        internal ArrayList WebRequestModules 
        { 
            get
            { 
                ArrayList retval = this.webRequestModules;
                if (retval == null)
                {
                    retval = new ArrayList(0); 
                }
                return retval; 
            } 
        }
 
        static object classSyncObject = null;
        ArrayList webRequestModules = null;
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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