mirror of
https://github.com/jellyfin/jellyfin.git
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196 lines
4.9 KiB
C#
196 lines
4.9 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 static StringComparison GetStringComparison()
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{
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return StringComparison.OrdinalIgnoreCase;
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}
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private static StringComparer GetStringComparer()
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{
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return StringComparer.OrdinalIgnoreCase;
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}
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public string GetKey(int index)
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{
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return this[index].Name;
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}
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public string Get(int index)
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{
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return this[index].Value;
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}
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public virtual string[] GetValues(int index)
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{
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return new[] { Get(index) };
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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 virtual 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 virtual void Set(string key, string value)
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{
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if (string.IsNullOrEmpty(value))
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{
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var parameters = GetItems(key);
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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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/// 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 virtual 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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var stringComparison = GetStringComparison();
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foreach (var pair in this)
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{
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if (string.Equals(pair.Name, name, stringComparison))
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{
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return pair.Value;
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}
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}
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return null;
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}
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public virtual List<NameValuePair> GetItems(string name)
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{
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var stringComparison = GetStringComparison();
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var list = new List<NameValuePair>();
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foreach (var pair in this)
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{
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if (string.Equals(pair.Name, name, stringComparison))
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{
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list.Add(pair);
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}
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}
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return list;
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}
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public virtual List<string> GetValues(string name)
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{
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var stringComparison = GetStringComparison();
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var list = new List<string>();
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foreach (var pair in this)
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{
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if (string.Equals(pair.Name, name, stringComparison))
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{
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list.Add(pair.Value);
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}
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}
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return list;
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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
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{
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var keys = new string[this.Count];
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for (var i = 0; i < keys.Length; i++)
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{
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keys[i] = this[i].Name;
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}
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return keys;
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}
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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 => Get(name);
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set => Set(name, value);
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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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