GlobalizationSection.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / Configuration / GlobalizationSection.cs / 2 / GlobalizationSection.cs
                        

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

namespace System.Web.Configuration { 
    using System; 
    using System.Xml;
    using System.Configuration; 
    using System.Collections.Specialized;
    using System.Collections;
    using System.IO;
    using System.Text; 
    using System.Threading;
    using System.Globalization; 
    using System.Web.Util; 
    using System.Security.Permissions;
 
    /*
        
         

    */ 

    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    public sealed class GlobalizationSection : ConfigurationSection {
        private static ConfigurationPropertyCollection _properties; 
        private static readonly ConfigurationProperty _propRequestEncoding =
            new ConfigurationProperty("requestEncoding", typeof(string), Encoding.UTF8.WebName, ConfigurationPropertyOptions.None); 
        private static readonly ConfigurationProperty _propResponseEncoding = 
            new ConfigurationProperty("responseEncoding", typeof(string), Encoding.UTF8.WebName, ConfigurationPropertyOptions.None);
        private static readonly ConfigurationProperty _propFileEncoding = 
            new ConfigurationProperty("fileEncoding", typeof(string), String.Empty, ConfigurationPropertyOptions.None);
        private static readonly ConfigurationProperty _propCulture =
            new ConfigurationProperty("culture", typeof(string), String.Empty, ConfigurationPropertyOptions.None);
        private static readonly ConfigurationProperty _propUICulture = 
            new ConfigurationProperty("uiCulture", typeof(string), String.Empty, ConfigurationPropertyOptions.None);
        private static readonly ConfigurationProperty _propEnableClientBasedCulture = 
            new ConfigurationProperty("enableClientBasedCulture", typeof(bool), false, ConfigurationPropertyOptions.None); 
        private static readonly ConfigurationProperty _propResponseHeaderEncoding =
            new ConfigurationProperty("responseHeaderEncoding", typeof(string), Encoding.UTF8.WebName, ConfigurationPropertyOptions.None); 
        private static readonly ConfigurationProperty _propResourceProviderFactoryType =
            new ConfigurationProperty("resourceProviderFactoryType", typeof(string), String.Empty, ConfigurationPropertyOptions.None);
        private static readonly ConfigurationProperty _propEnableBestFitResponseEncoding =
            new ConfigurationProperty("enableBestFitResponseEncoding", typeof(bool), false, ConfigurationPropertyOptions.None); 

        private Encoding responseEncodingCache = null; 
        private Encoding responseHeaderEncodingCache = null; 
        private Encoding requestEncodingCache = null;
        private Encoding fileEncodingCache = null; 

        private String cultureCache = null;
        private String uiCultureCache = null;
        private Type _resourceProviderFactoryType; 

        static GlobalizationSection() { 
            // Property initialization 
            _properties = new ConfigurationPropertyCollection();
            _properties.Add(_propRequestEncoding); 
            _properties.Add(_propResponseEncoding);
            _properties.Add(_propFileEncoding);
            _properties.Add(_propCulture);
            _properties.Add(_propUICulture); 
            _properties.Add(_propEnableClientBasedCulture);
            _properties.Add(_propResponseHeaderEncoding); 
            _properties.Add(_propResourceProviderFactoryType); 
            _properties.Add(_propEnableBestFitResponseEncoding);
        } 

        public GlobalizationSection() {
        }
 
        protected override ConfigurationPropertyCollection Properties {
            get { 
                return _properties; 
            }
        } 

        [ConfigurationProperty("requestEncoding", DefaultValue = "utf-8")]
        public Encoding RequestEncoding {
            get { 
                if (requestEncodingCache == null) {
                    requestEncodingCache = Encoding.UTF8; 
                } 
                return requestEncodingCache;
            } 
            set {
                if (value != null) {
                    base[_propRequestEncoding] = value.WebName;
                    requestEncodingCache = value; 
                }
                else { 
                    base[_propRequestEncoding] = value; 
                    requestEncodingCache = Encoding.UTF8;
                } 
            }
        }

        [ConfigurationProperty("responseEncoding", DefaultValue = "utf-8")] 
        public Encoding ResponseEncoding {
            get { 
                if (responseEncodingCache == null) 
                    responseEncodingCache = Encoding.UTF8;
                return responseEncodingCache; 
            }
            set {
                if (value != null) {
                    base[_propResponseEncoding] = value.WebName; 
                    responseEncodingCache = value;
                } 
                else { 
                    base[_propResponseEncoding] = value;
                    responseEncodingCache = Encoding.UTF8; 
                }
            }
        }
 
        [ConfigurationProperty("responseHeaderEncoding", DefaultValue = "utf-8")]
        public Encoding ResponseHeaderEncoding { 
            get { 
                if (responseHeaderEncodingCache == null) {
                    responseHeaderEncodingCache = Encoding.UTF8; 
                }
                return responseHeaderEncodingCache;
            }
            set { 
                if (value != null) {
                    base[_propResponseHeaderEncoding] = value.WebName; 
                    responseHeaderEncodingCache = value; 
                }
                else { 
                    base[_propResponseHeaderEncoding] = value;
                    responseHeaderEncodingCache = Encoding.UTF8;
                }
            } 
        }
 
        [ConfigurationProperty("fileEncoding")] 
        public Encoding FileEncoding {
            get { 
                if (fileEncodingCache == null) {
                    fileEncodingCache = Encoding.Default;
                }
                return fileEncodingCache; 
            }
            set { 
                if (value != null) { 
                    base[_propFileEncoding] = value.WebName;
                    fileEncodingCache = value; 
                }
                else {
                    base[_propFileEncoding] = value;
                    fileEncodingCache = Encoding.Default; 
                }
            } 
        } 

        [ConfigurationProperty("culture", DefaultValue = "")] 
        public string Culture {
            get {
                if (cultureCache == null) {
                    cultureCache = (string)base[_propCulture]; 
                }
                return cultureCache; 
            } 
            set {
                base[_propCulture] = value; 
                cultureCache = value;
            }
        }
 
        [ConfigurationProperty("uiCulture", DefaultValue = "")]
        public string UICulture { 
            get { 
                if (uiCultureCache == null) {
                    uiCultureCache = (string)base[_propUICulture]; 
                }
                return uiCultureCache;
            }
            set { 
                base[_propUICulture] = value;
                uiCultureCache = value; 
            } 
        }
 
        [ConfigurationProperty("enableClientBasedCulture", DefaultValue = false)]
        public bool EnableClientBasedCulture {
            get {
                return (bool)base[_propEnableClientBasedCulture]; 
            }
            set { 
                base[_propEnableClientBasedCulture] = value; 
            }
        } 

        [ConfigurationProperty("resourceProviderFactoryType", DefaultValue = "")]
        public string ResourceProviderFactoryType {
            get { 
                return (string)base[_propResourceProviderFactoryType];
            } 
            set { 
                base[_propResourceProviderFactoryType] = value;
            } 
        }

        [ConfigurationProperty("enableBestFitResponseEncoding", DefaultValue = false)]
        public bool EnableBestFitResponseEncoding { 
            get {
                return (bool)base[_propEnableBestFitResponseEncoding]; 
            } 
            set {
                base[_propEnableBestFitResponseEncoding] = value; 
            }
        }

        internal Type ResourceProviderFactoryTypeInternal { 
            get {
                if (_resourceProviderFactoryType == null && !String.IsNullOrEmpty(ResourceProviderFactoryType)) { 
                    lock (this) { 
                        if (_resourceProviderFactoryType == null) {
                            Type resourceProviderFactoryType = ConfigUtil.GetType(ResourceProviderFactoryType, "resourceProviderFactoryType", this); 
                            ConfigUtil.CheckBaseType(typeof(System.Web.Compilation.ResourceProviderFactory), resourceProviderFactoryType, "resourceProviderFactoryType", this);
                            _resourceProviderFactoryType = resourceProviderFactoryType;
                        }
                    } 
                }
 
                return _resourceProviderFactoryType; 
            }
        } 

        private void CheckCulture(string configCulture) {
            if (StringUtil.EqualsIgnoreCase(configCulture, HttpApplication.AutoCulture)) {
                return; 
            }
            else if (StringUtil.StringStartsWithIgnoreCase(configCulture, HttpApplication.AutoCulture)) { 
                // This will throw if bad 
                CultureInfo dummyCultureInfo = new CultureInfo(configCulture.Substring(5));
                return; 
            }
            // This will throw if bad
            new CultureInfo(configCulture);
        } 

        protected override void PreSerialize(XmlWriter writer) { 
            PostDeserialize(); 
        }
 
        protected override void PostDeserialize() {
            ConfigurationPropertyCollection props = Properties;

            // Need to check that the encodings provided are valid here 
            ConfigurationProperty errorProperty = null;
            int errorLine = Int32.MaxValue; 
 
            try {
                if (!String.IsNullOrEmpty((string)base[_propResponseEncoding])) 
                    responseEncodingCache = (Encoding)Encoding.GetEncoding((string)base[_propResponseEncoding]);
            }
            catch {
                errorProperty = _propResponseEncoding; 
                errorLine = ElementInformation.Properties[errorProperty.Name].LineNumber;
            } 
 
            try {
                if (!String.IsNullOrEmpty((string)base[_propResponseHeaderEncoding])) { 
                    responseHeaderEncodingCache = (Encoding)Encoding.GetEncoding((string)base[_propResponseHeaderEncoding]);
                }
            }
            catch { 
                if (errorLine > ElementInformation.Properties[_propResponseHeaderEncoding.Name].LineNumber) {
                    errorProperty = _propResponseHeaderEncoding; 
                    errorLine = ElementInformation.Properties[errorProperty.Name].LineNumber; 
                }
            } 

            try {
                if (!String.IsNullOrEmpty((string)base[_propRequestEncoding])) {
                    requestEncodingCache = (Encoding)Encoding.GetEncoding((string)base[_propRequestEncoding]); 
                }
            } 
            catch { 
                if (errorLine > ElementInformation.Properties[_propRequestEncoding.Name].LineNumber) {
                    errorProperty = _propRequestEncoding; 
                    errorLine = ElementInformation.Properties[errorProperty.Name].LineNumber;
                }
            }
 
            try {
                if (!String.IsNullOrEmpty((string)base[_propFileEncoding])) { 
                    fileEncodingCache = (Encoding)Encoding.GetEncoding((string)base[_propFileEncoding]); 
                }
            } 
            catch {
                if (errorLine > ElementInformation.Properties[_propFileEncoding.Name].LineNumber) {
                    errorProperty = _propFileEncoding;
                    errorLine = ElementInformation.Properties[errorProperty.Name].LineNumber; 
                }
            } 
            try { 
                if (!String.IsNullOrEmpty((string)base[_propCulture])) {
                    CheckCulture((string)base[_propCulture]); 
                }
            }
            catch {
                if (errorLine > ElementInformation.Properties[_propCulture.Name].LineNumber) { 
                    errorProperty = _propCulture;
                    errorLine = ElementInformation.Properties[_propCulture.Name].LineNumber; 
                } 
            }
 
            try {
                if (!String.IsNullOrEmpty((string)base[_propUICulture])) {
                    CheckCulture((string)base[_propUICulture]);
                } 
            }
            catch { 
                if (errorLine > ElementInformation.Properties[_propUICulture.Name].LineNumber) { 
                    errorProperty = _propUICulture;
                    errorLine = ElementInformation.Properties[_propUICulture.Name].LineNumber; 
                }
            }

            if (errorProperty != null) { 
                throw new ConfigurationErrorsException(SR.GetString(SR.Invalid_value_for_globalization_attr, errorProperty.Name),
                    ElementInformation.Properties[errorProperty.Name].Source, ElementInformation.Properties[errorProperty.Name].LineNumber); 
 
            }
        } 
    }
}

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