jellyfin-server/MediaBrowser.Common/Plugins/LocalPlugin.cs
BaronGreenback cab78f40b3
[Fix] Possible null reference. (#4585)
Fix possible null reference.
2020-11-28 15:44:14 +01:00

120 lines
3.5 KiB
C#

using System;
using System.Collections.Generic;
using System.Globalization;
namespace MediaBrowser.Common.Plugins
{
/// <summary>
/// Local plugin class.
/// </summary>
public class LocalPlugin : IEquatable<LocalPlugin>
{
/// <summary>
/// Initializes a new instance of the <see cref="LocalPlugin"/> class.
/// </summary>
/// <param name="id">The plugin id.</param>
/// <param name="name">The plugin name.</param>
/// <param name="version">The plugin version.</param>
/// <param name="path">The plugin path.</param>
public LocalPlugin(Guid id, string name, Version version, string path)
{
Id = id;
Name = name;
Version = version;
Path = path;
DllFiles = new List<string>();
}
/// <summary>
/// Gets the plugin id.
/// </summary>
public Guid Id { get; }
/// <summary>
/// Gets the plugin name.
/// </summary>
public string Name { get; }
/// <summary>
/// Gets the plugin version.
/// </summary>
public Version Version { get; }
/// <summary>
/// Gets the plugin path.
/// </summary>
public string Path { get; }
/// <summary>
/// Gets the list of dll files for this plugin.
/// </summary>
public List<string> DllFiles { get; }
/// <summary>
/// == operator.
/// </summary>
/// <param name="left">Left item.</param>
/// <param name="right">Right item.</param>
/// <returns>Comparison result.</returns>
public static bool operator ==(LocalPlugin left, LocalPlugin right)
{
return left.Equals(right);
}
/// <summary>
/// != operator.
/// </summary>
/// <param name="left">Left item.</param>
/// <param name="right">Right item.</param>
/// <returns>Comparison result.</returns>
public static bool operator !=(LocalPlugin left, LocalPlugin right)
{
return !left.Equals(right);
}
/// <summary>
/// Compare two <see cref="LocalPlugin"/>.
/// </summary>
/// <param name="a">The first item.</param>
/// <param name="b">The second item.</param>
/// <returns>Comparison result.</returns>
public static int Compare(LocalPlugin a, LocalPlugin b)
{
var compare = string.Compare(a.Name, b.Name, true, CultureInfo.InvariantCulture);
// Id is not equal but name is.
if (a.Id != b.Id && compare == 0)
{
compare = a.Id.CompareTo(b.Id);
}
return compare == 0 ? a.Version.CompareTo(b.Version) : compare;
}
/// <inheritdoc />
public override bool Equals(object obj)
{
return obj is LocalPlugin other && this.Equals(other);
}
/// <inheritdoc />
public override int GetHashCode()
{
return Name.GetHashCode(StringComparison.OrdinalIgnoreCase);
}
/// <inheritdoc />
public bool Equals(LocalPlugin other)
{
// Do not use == or != for comparison as this class overrides the operators.
if (object.ReferenceEquals(other, null))
{
return false;
}
return Name.Equals(other.Name, StringComparison.OrdinalIgnoreCase)
&& Id.Equals(other.Id);
}
}
}