QueryStringHandler.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / DynamicData / DynamicData / QueryStringHandler.cs / 1305376 / QueryStringHandler.cs
                        

                        
                            using System.Collections.Generic; 
using System.Collections.Specialized;
using System.Globalization;
using System.Text;
using System.Web.Resources; 

namespace System.Web.DynamicData { 
    internal static class QueryStringHandler { 

        public static string AddFiltersToPath(string virtualPath, IDictionary filters) { 
            if (String.IsNullOrEmpty(virtualPath))
                throw new ArgumentException(
                    String.Format(CultureInfo.CurrentCulture, DynamicDataResources.QueryStringHandler_VirtualPathCannotBeEmpty),
                    "virtualPath"); 

            if (filters == null) 
                throw new ArgumentNullException("filters"); 

            string queryString = ConcatenateQueryStringElements(filters); 
            if (String.IsNullOrEmpty(queryString))
                return virtualPath;

            StringBuilder result = new StringBuilder(virtualPath); 
            if (!virtualPath.Contains("?")) {
                result.Append('?'); 
            } 
            else {
                if (!virtualPath.EndsWith("?", StringComparison.Ordinal) && !virtualPath.EndsWith("&", StringComparison.Ordinal)) { 
                    result.Append('&');
                }
            }
 
            result.Append(queryString);
 
            return result.ToString(); 
        }
 
        private static string ConcatenateQueryStringElements(IDictionary parameters) {
            if (parameters.Count == 0) {
                return String.Empty;
            } 

            StringBuilder result = new StringBuilder(); 
            bool firstParam = true; 
            foreach (String s in parameters.Keys) {
                if (!String.IsNullOrEmpty(s)) { 
                    string key = SanitizeParameterComponent(s);
                    string value = SanitizeParameterComponent(parameters[s]);

                    if (firstParam) 
                        firstParam = false;
                    else 
                        result.Append('&'); 

                    result.Append(key); 
                    result.Append('=');
                    result.Append(value);
                }
            } 
            return result.ToString();
        } 
 
        private static string SanitizeParameterComponent(object value) {
            if (value == null) 
                return String.Empty;

            string strValue = value.ToString();
 
            // Trim trailing spaces, as they are typically meaningless, and make the url look ugly
            strValue = strValue.TrimEnd(); 
 
            return Uri.EscapeDataString(strValue);
        } 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
using System.Collections.Generic; 
using System.Collections.Specialized;
using System.Globalization;
using System.Text;
using System.Web.Resources; 

namespace System.Web.DynamicData { 
    internal static class QueryStringHandler { 

        public static string AddFiltersToPath(string virtualPath, IDictionary filters) { 
            if (String.IsNullOrEmpty(virtualPath))
                throw new ArgumentException(
                    String.Format(CultureInfo.CurrentCulture, DynamicDataResources.QueryStringHandler_VirtualPathCannotBeEmpty),
                    "virtualPath"); 

            if (filters == null) 
                throw new ArgumentNullException("filters"); 

            string queryString = ConcatenateQueryStringElements(filters); 
            if (String.IsNullOrEmpty(queryString))
                return virtualPath;

            StringBuilder result = new StringBuilder(virtualPath); 
            if (!virtualPath.Contains("?")) {
                result.Append('?'); 
            } 
            else {
                if (!virtualPath.EndsWith("?", StringComparison.Ordinal) && !virtualPath.EndsWith("&", StringComparison.Ordinal)) { 
                    result.Append('&');
                }
            }
 
            result.Append(queryString);
 
            return result.ToString(); 
        }
 
        private static string ConcatenateQueryStringElements(IDictionary parameters) {
            if (parameters.Count == 0) {
                return String.Empty;
            } 

            StringBuilder result = new StringBuilder(); 
            bool firstParam = true; 
            foreach (String s in parameters.Keys) {
                if (!String.IsNullOrEmpty(s)) { 
                    string key = SanitizeParameterComponent(s);
                    string value = SanitizeParameterComponent(parameters[s]);

                    if (firstParam) 
                        firstParam = false;
                    else 
                        result.Append('&'); 

                    result.Append(key); 
                    result.Append('=');
                    result.Append(value);
                }
            } 
            return result.ToString();
        } 
 
        private static string SanitizeParameterComponent(object value) {
            if (value == null) 
                return String.Empty;

            string strValue = value.ToString();
 
            // Trim trailing spaces, as they are typically meaningless, and make the url look ugly
            strValue = strValue.TrimEnd(); 
 
            return Uri.EscapeDataString(strValue);
        } 
    }
}

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

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