HttpModulesInstallComponent.cs source code in C# .NET

                        Code:
                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / Tools / xws_reg / System / ServiceModel / Install / Configuration / HttpModulesInstallComponent.cs / 1 / HttpModulesInstallComponent.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

namespace System.ServiceModel.Install.Configuration 
{
    using System; 
    using System.Collections.Generic; 
    using System.Configuration;
    using System.Globalization; 
    using System.Text;
    using System.Web.Configuration;

    internal class HttpModulesInstallComponent : ServiceModelInstallComponent 
    {
        ConfigurationLoader configLoader; 
        string displayString; 
        string httpModuleType;
 
        protected HttpModulesInstallComponent(ConfigurationLoader configLoader)
        {
            httpModuleType = ServiceModelInstallStrings.HttpModulesType;
            this.configLoader = configLoader; 
        }
 
        internal override string DisplayName 
        {
            get {return this.displayString; } 
        }

        protected override string InstallActionMessage
        { 
            get {return SR.GetString(SR.HttpModulesComponentInstall, ServiceModelInstallStrings.ServiceModel); }
        } 
 
        internal override string[] InstalledVersions
        { 
            get
            {
                List installedVersions = new List();
 
                if (null != configLoader.SystemWebSectionGroup)
                { 
                    // Foreach needed here since HttpModuleActionCollection does not have an accessor that takes a string (at least not in Whidbey) 
                    foreach (HttpModuleAction module in configLoader.SystemWebSectionGroup.HttpModules.Modules)
                    { 
                        if (module.Name.Equals(ServiceModelInstallStrings.ServiceModel, StringComparison.Ordinal))
                        {
                            string versionString = module.Name + " : " + InstallHelper.GetVersionStringFromTypeString(module.Type);
 
                            if (!String.IsNullOrEmpty(versionString))
                            { 
                                installedVersions.Add(versionString); 
                            }
                        } 
                    }
                }

                return installedVersions.ToArray(); 
            }
        } 
 
        internal override bool IsInstalled
        { 
            get
            {
                if (null != configLoader.SystemWebSectionGroup)
                { 
                    // Foreach needed here since HttpModuleActionCollection does not have an accessor that takes a string (at least not in Whidbey)
                    foreach (HttpModuleAction installedModule in configLoader.SystemWebSectionGroup.HttpModules.Modules) 
                    { 
                        if (installedModule.Name.Equals(ServiceModelInstallStrings.ServiceModel, StringComparison.Ordinal))
                        { 
                            return true;
                        }
                    }
                } 
                return false;
            } 
        } 

        protected override string ReinstallActionMessage 
        {
            get {return SR.GetString(SR.HttpModulesComponentReinstall, ServiceModelInstallStrings.ServiceModel); }
        }
 
        protected override string UninstallActionMessage
        { 
            get {return SR.GetString(SR.HttpModulesComponentUninstall, ServiceModelInstallStrings.ServiceModel); } 
        }
 
        internal static HttpModulesInstallComponent CreateNativeHttpModulesInstallComponent()
        {
            HttpModulesInstallComponent httpModulesComponent = new HttpModulesInstallComponent(new NativeConfigurationLoader());
            httpModulesComponent.displayString = SR.GetString(SR.HttpModulesComponentName); 
            return httpModulesComponent;
        } 
 
        internal static HttpModulesInstallComponent CreateWow64HttpModulesInstallComponent()
        { 
            if (!InstallHelper.Is64BitMachine() || String.IsNullOrEmpty(InstallHelper.Wow64WebConfigFileName))
            {
                throw new ConfigurationLoaderException(SR.GetString(SR.Wow64NotInstalled));
            } 

            HttpModulesInstallComponent httpModulesComponent = new HttpModulesInstallComponent(new Wow64ConfigurationLoader()); 
            httpModulesComponent.displayString = SR.GetString(SR.HttpModulesComponentNameWow64); 
            return httpModulesComponent;
        } 

        internal override void Install(OutputLevel outputLevel)
        {
            if (!this.IsInstalled) 
            {
                if (null != configLoader.SystemWebSectionGroup) 
                { 
                    HttpModuleAction module = new HttpModuleAction(ServiceModelInstallStrings.ServiceModel, this.httpModuleType);
                    configLoader.SystemWebSectionGroup.HttpModules.Modules.Add(module); 
                    configLoader.Save();
                }
                else
                { 
                    throw new InvalidOperationException(SR.GetString(SR.ConfigurationSectionNotInstalled,
                        configLoader.SystemWebSectionGroupPath, 
                        configLoader.RootWebConfigurationFilePath)); 
                }
            } 
            else
            {
                EventLogger.LogWarning(SR.GetString(SR.HttpModulesComponentAlreadyExists, ServiceModelInstallStrings.ServiceModel), (OutputLevel.Verbose == outputLevel));
            } 
        }
 
        internal override void Uninstall(OutputLevel outputLevel) 
        {
            if (this.IsInstalled) 
            {
                // Remove the httpModules node
                configLoader.SystemWebSectionGroup.HttpModules.Modules.Remove(ServiceModelInstallStrings.ServiceModel);
                configLoader.Save(); 
            }
            else 
            { 
                EventLogger.LogWarning(SR.GetString(SR.HttpModulesComponentNotInstalled, ServiceModelInstallStrings.ServiceModel), (OutputLevel.Verbose == outputLevel));
            } 
        }

        internal override InstallationState VerifyInstall()
        { 
            InstallationState installState = InstallationState.Unknown;
            if (this.IsInstalled) 
            { 
                if (null != configLoader.SystemWebSectionGroup)
                { 
                    HttpModuleAction module = new HttpModuleAction(ServiceModelInstallStrings.ServiceModel, this.httpModuleType);
                    // Foreach needed here since HttpModuleActionCollection does not have an accessor that takes a string (at least not in Whidbey)
                    foreach (HttpModuleAction installedModule in configLoader.SystemWebSectionGroup.HttpModules.Modules)
                    { 
                        if (module.Name.Equals(installedModule.Name, StringComparison.Ordinal))
                        { 
                            if (installedModule.Equals(module)) 
                            {
                                installState = InstallationState.InstalledDefaults; 
                            }
                            else
                            {
                                installState = InstallationState.InstalledCustom; 
                            }
                        } 
                    } 
                }
            } 
            else
            {
                installState = InstallationState.NotInstalled;
            } 
            return installState;
        } 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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HttpModulesInstallComponent.cs source code in C# .NET

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