<commit_before>using System;
using System.Collections.Generic;
using Newtonsoft.Json.Linq;
using System.Text;

namespace FacebookSharp
{
    public static class FacebookUtils
    {
        public static string EncodeUrl(IDictionary<string, string> parameters)
        {
            if (parameters == null || parameters.Count == 0)
                return "";
            StringBuilder sb = new StringBuilder();
            bool first = true;
            foreach (KeyValuePair<string, string> pair in parameters)
            {
                if (first)
                    first = false;
                else
                    sb.Append("&");
                sb.AppendFormat("{0}={1}", pair.Key, pair.Value);
            }
            return sb.ToString();
        }

        public static IDictionary<string, string> DecodeUrl(string s)
        {
            throw new NotImplementedException();
        }

        /// <summary>
        /// Parse a URL query and fragment parameters into a key-value bundle.
        /// </summary>
        /// <param name="url">The URL to parse</param>
        /// <returns>Returns a dictionary of keys and values.</returns>
        public static IDictionary<string, string> ParseUrl(string url)
        {
            throw new NotImplementedException();
        }

        /// <summary>
        /// Connect to an HTTP url and return the response as a string.
        /// </summary>
        /// <param name="url">The resource to open: must be a welformed URL</param>
        /// <param name="method">The HTTP method to use ("GET", "POST", etc.)</param>
        /// <param name="parameters">The query parameter for the URL (e.g. access_token=foo)</param>
        /// <returns>The URL contents as a string.</returns><commit_msg>+ FacebookUtils.DecodeUrl method impl<commit_after>using System;
using System.Collections.Generic;
using System.Text;
using Newtonsoft.Json.Linq;

namespace FacebookSharp
{
    public static class FacebookUtils
    {
        public static string EncodeUrl(IDictionary<string, string> parameters)
        {
            if (parameters == null || parameters.Count == 0)
                return "";
            StringBuilder sb = new StringBuilder();
            bool first = true;
            foreach (KeyValuePair<string, string> pair in parameters)
            {
                if (first)
                    first = false;
                else
                    sb.Append("&");
                sb.AppendFormat("{0}={1}", pair.Key, pair.Value);
            }
            return sb.ToString();
        }

        public static IDictionary<string, string> DecodeUrl(string s)
        {
            IDictionary<string, string> parameters = new Dictionary<string, string>();
            if (string.IsNullOrEmpty(s))
                return parameters;

            string[] array = s.Split('&');
            foreach (string parameter in array)
            {
                string[] pair = parameter.Split('=');
                parameters.Add(pair[0], pair[1]);
            }
            return parameters;
        }

        /// <summary>
        /// Parse a URL query and fragment parameters into a key-value bundle.
        /// </summary>
        /// <param name="url">The URL to parse</param>
        /// <returns>Returns a dictionary of keys and values.</returns>
        public static IDictionary<string, string> ParseUrl(string url)
        {
            throw new NotImplementedException();
        }

        /// <summary>
        /// Connect to an HTTP url and return the response as a string.
        /// </summary>
        /// <param name="url">The resource to open: must be a welformed URL</param>
        /// <param name="method">The HTTP method to use ("GET", "POST", etc.)</param>
        /// <param name="parameters">The query parameter for the URL (e.g. access_token=foo)</param>
        /// <returns>The URL contents as a string.</returns>
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