Mega Code Archive
Convert to Query String from IDictionaryString, String
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//Copyright (c) 2009, Offbeat Guides
//All rights reserved.
//
//Redistribution and use in source and binary forms, with or without modification, are
//permitted provided that the following conditions are met:
//
//* Redistributions of source code must retain the above copyright notice, this list of
//conditions and the following disclaimer.
//
//* Redistributions in binary form must reproduce the above copyright notice, this list
//of conditions and the following disclaimer in the documentation and/or other materials
//provided with the distribution.
//
//* Neither the name of Offbeat Guides nor the names of its contributors may be used to
//endorse or promote products derived from this software without specific prior written
//permission.
//
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
//EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
//OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
//SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
//SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
//OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
//HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
//TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
//EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;
using System.Net;
using System.Security.Cryptography;
namespace Amazon.Services
{
public static class Utility
{
#region Static Methods
public static String ToQueryString(IDictionary<String, String> parameters)
{
StringBuilder data = new StringBuilder();
foreach (String key in parameters.Keys)
{
if (parameters[key] != null)
data.AppendFormat("{0}={1}&", key, Utility.UrlEncode(parameters[key]));
}
return data.Remove(data.Length - 1, 1).ToString();
}
public static String UrlEncode(String data)
{
StringBuilder encoded = new StringBuilder();
String unreservedChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_.~";
foreach (char symbol in System.Text.Encoding.UTF8.GetBytes(data))
{
if (unreservedChars.IndexOf(symbol) != -1)
encoded.Append(symbol);
else
encoded.Append("%" + String.Format("{0:X2}", (int)symbol));
}
return encoded.ToString();
}
public static String EscapeXml(String str)
{
str = str.Replace("&", "&");
str = str.Replace("<", "<");
str = str.Replace(">", ">");
str = str.Replace("'", "'");
return str.Replace("\"", """);
}
public static String UnescapeXml(String str)
{
str = str.Replace(""", "\"");
str = str.Replace("'", "'");
str = str.Replace(">", ">");
str = str.Replace("<", "<");
return str.Replace("&", "&");
}
#endregion
}
}
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