mirror of
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176 lines
5.2 KiB
C#
176 lines
5.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using MediaBrowser.Model.Dto;
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namespace MediaBrowser.Model.Services
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{
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public class QueryParamCollection : List<NameValuePair>
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{
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public QueryParamCollection()
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{
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}
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public QueryParamCollection(IDictionary<string, string> headers)
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{
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foreach (var pair in headers)
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{
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Add(pair.Key, pair.Value);
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}
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}
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private StringComparison GetStringComparison()
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{
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return StringComparison.OrdinalIgnoreCase;
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}
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private StringComparer GetStringComparer()
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{
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return StringComparer.OrdinalIgnoreCase;
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}
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/// <summary>
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/// Adds a new query parameter.
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/// </summary>
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public void Add(string key, string value)
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{
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Add(new NameValuePair(key, value));
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}
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public void Set(string key, string value)
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{
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if (string.IsNullOrWhiteSpace(value))
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{
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var stringComparison = GetStringComparison();
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var parameters = this.Where(p => string.Equals(key, p.Name, stringComparison)).ToArray();
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foreach (var p in parameters)
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{
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Remove(p);
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}
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return;
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}
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foreach (var pair in this)
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{
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var stringComparison = GetStringComparison();
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if (string.Equals(key, pair.Name, stringComparison))
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{
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pair.Value = value;
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return;
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}
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}
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Add(key, value);
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}
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/// <summary>
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/// True if the collection contains a query parameter with the given name.
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/// </summary>
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public bool ContainsKey(string name)
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{
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return this.Any(p => p.Name == name);
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}
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/// <summary>
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/// Removes all parameters of the given name.
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/// </summary>
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/// <returns>The number of parameters that were removed</returns>
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/// <exception cref="ArgumentNullException"><paramref name="name" /> is null.</exception>
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public int Remove(string name)
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{
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return RemoveAll(p => p.Name == name);
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}
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public string Get(string name)
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{
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return GetValues(name).FirstOrDefault();
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}
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public string[] GetValues(string name)
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{
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var stringComparison = GetStringComparison();
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return this.Where(p => string.Equals(p.Name, name, stringComparison)).Select(p => p.Value).ToArray();
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}
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public Dictionary<string, string> ToDictionary()
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{
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var stringComparer = GetStringComparer();
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var headers = new Dictionary<string, string>(stringComparer);
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foreach (var pair in this)
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{
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headers[pair.Name] = pair.Value;
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}
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return headers;
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}
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public IEnumerable<string> Keys
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{
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get { return this.Select(i => i.Name); }
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}
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/// <summary>
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/// Gets or sets a query parameter value by name. A query may contain multiple values of the same name
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/// (i.e. "x=1&x=2"), in which case the value is an array, which works for both getting and setting.
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/// </summary>
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/// <param name="name">The query parameter name</param>
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/// <returns>The query parameter value or array of values</returns>
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public string this[string name]
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{
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get { return Get(name); }
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set
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{
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Set(name, value);
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//var parameters = this.Where(p => p.Name == name).ToArray();
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//var values = new[] { value };
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//for (int i = 0; ; i++)
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//{
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// if (i < parameters.Length && i < values.Length)
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// {
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// if (values[i] == null)
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// Remove(parameters[i]);
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// else if (values[i] is NameValuePair)
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// this[IndexOf(parameters[i])] = (NameValuePair)values[i];
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// else
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// parameters[i].Value = values[i];
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// }
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// else if (i < parameters.Length)
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// Remove(parameters[i]);
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// else if (i < values.Length)
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// {
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// if (values[i] != null)
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// {
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// if (values[i] is NameValuePair)
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// Add((NameValuePair)values[i]);
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// else
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// Add(name, values[i]);
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// }
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// }
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// else
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// break;
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//}
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}
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}
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private string GetQueryStringValue(NameValuePair pair)
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{
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return pair.Name + "=" + pair.Value;
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}
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public override String ToString()
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{
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var vals = this.Select(GetQueryStringValue).ToArray();
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return string.Join("&", vals);
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}
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}
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}
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