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303 lines
10 KiB
C#
303 lines
10 KiB
C#
using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Providers;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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namespace MediaBrowser.Controller.Library
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{
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/// <summary>
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/// These are arguments relating to the file system that are collected once and then referred to
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/// whenever needed. Primarily for entity resolution.
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/// </summary>
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public class ItemResolveArgs : EventArgs
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{
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/// <summary>
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/// The _app paths
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/// </summary>
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private readonly IServerApplicationPaths _appPaths;
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private readonly ILibraryManager _libraryManager;
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public IDirectoryService DirectoryService { get; private set; }
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/// <summary>
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/// Initializes a new instance of the <see cref="ItemResolveArgs" /> class.
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/// </summary>
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/// <param name="appPaths">The app paths.</param>
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/// <param name="libraryManager">The library manager.</param>
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public ItemResolveArgs(IServerApplicationPaths appPaths, ILibraryManager libraryManager, IDirectoryService directoryService)
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{
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_appPaths = appPaths;
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_libraryManager = libraryManager;
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DirectoryService = directoryService;
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}
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/// <summary>
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/// Gets the file system children.
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/// </summary>
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/// <value>The file system children.</value>
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public IEnumerable<FileSystemInfo> FileSystemChildren
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{
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get
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{
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var dict = FileSystemDictionary;
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if (dict == null)
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{
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return new List<FileSystemInfo>();
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}
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return dict.Values;
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}
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}
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/// <summary>
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/// Gets or sets the file system dictionary.
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/// </summary>
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/// <value>The file system dictionary.</value>
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public Dictionary<string, FileSystemInfo> FileSystemDictionary { get; set; }
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/// <summary>
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/// Gets or sets the parent.
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/// </summary>
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/// <value>The parent.</value>
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public Folder Parent { get; set; }
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/// <summary>
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/// Gets or sets the file info.
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/// </summary>
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/// <value>The file info.</value>
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public FileSystemInfo FileInfo { get; set; }
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/// <summary>
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/// Gets or sets the path.
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/// </summary>
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/// <value>The path.</value>
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public string Path { get; set; }
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/// <summary>
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/// Gets a value indicating whether this instance is directory.
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/// </summary>
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/// <value><c>true</c> if this instance is directory; otherwise, <c>false</c>.</value>
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public bool IsDirectory
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{
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get
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{
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return (FileInfo.Attributes & FileAttributes.Directory) == FileAttributes.Directory;
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}
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}
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/// <summary>
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/// Gets a value indicating whether this instance is hidden.
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/// </summary>
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/// <value><c>true</c> if this instance is hidden; otherwise, <c>false</c>.</value>
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public bool IsHidden
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{
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get
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{
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return (FileInfo.Attributes & FileAttributes.Hidden) == FileAttributes.Hidden;
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}
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}
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/// <summary>
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/// Gets a value indicating whether this instance is vf.
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/// </summary>
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/// <value><c>true</c> if this instance is vf; otherwise, <c>false</c>.</value>
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public bool IsVf
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{
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// we should be considered a virtual folder if we are a child of one of the children of the system root folder.
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// this is a bit of a trick to determine that... the directory name of a sub-child of the root will start with
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// the root but not be equal to it
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get
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{
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if (!IsDirectory)
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{
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return false;
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}
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var parentDir = System.IO.Path.GetDirectoryName(Path) ?? string.Empty;
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return (parentDir.Length > _appPaths.RootFolderPath.Length
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&& parentDir.StartsWith(_appPaths.RootFolderPath, StringComparison.OrdinalIgnoreCase));
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}
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}
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/// <summary>
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/// Gets a value indicating whether this instance is physical root.
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/// </summary>
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/// <value><c>true</c> if this instance is physical root; otherwise, <c>false</c>.</value>
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public bool IsPhysicalRoot
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{
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get
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{
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return IsDirectory && string.Equals(Path, _appPaths.RootFolderPath, StringComparison.OrdinalIgnoreCase);
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}
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}
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/// <summary>
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/// Gets a value indicating whether this instance is root.
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/// </summary>
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/// <value><c>true</c> if this instance is root; otherwise, <c>false</c>.</value>
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public bool IsRoot
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{
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get
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{
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return Parent == null;
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}
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}
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/// <summary>
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/// Gets or sets the additional locations.
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/// </summary>
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/// <value>The additional locations.</value>
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private List<string> AdditionalLocations { get; set; }
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/// <summary>
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/// Adds the additional location.
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/// </summary>
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/// <param name="path">The path.</param>
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/// <exception cref="System.ArgumentNullException"></exception>
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public void AddAdditionalLocation(string path)
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{
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if (string.IsNullOrEmpty(path))
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{
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throw new ArgumentNullException();
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}
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if (AdditionalLocations == null)
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{
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AdditionalLocations = new List<string>();
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}
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AdditionalLocations.Add(path);
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}
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/// <summary>
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/// Gets the physical locations.
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/// </summary>
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/// <value>The physical locations.</value>
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public IEnumerable<string> PhysicalLocations
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{
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get
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{
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var paths = string.IsNullOrWhiteSpace(Path) ? new string[] {} : new[] {Path};
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return AdditionalLocations == null ? paths : paths.Concat(AdditionalLocations);
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}
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}
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/// <summary>
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/// Gets the name of the file system entry by.
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/// </summary>
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/// <param name="name">The name.</param>
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/// <returns>FileSystemInfo.</returns>
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/// <exception cref="System.ArgumentNullException"></exception>
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public FileSystemInfo GetFileSystemEntryByName(string name)
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{
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if (string.IsNullOrEmpty(name))
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{
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throw new ArgumentNullException();
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}
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return GetFileSystemEntryByPath(System.IO.Path.Combine(Path, name));
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}
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/// <summary>
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/// Gets the file system entry by path.
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/// </summary>
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/// <param name="path">The path.</param>
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/// <returns>FileSystemInfo.</returns>
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/// <exception cref="System.ArgumentNullException"></exception>
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public FileSystemInfo GetFileSystemEntryByPath(string path)
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{
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if (string.IsNullOrEmpty(path))
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{
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throw new ArgumentNullException();
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}
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if (FileSystemDictionary != null)
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{
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FileSystemInfo entry;
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if (FileSystemDictionary.TryGetValue(path, out entry))
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{
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return entry;
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}
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}
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return null;
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}
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/// <summary>
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/// Determines whether [contains meta file by name] [the specified name].
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/// </summary>
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/// <param name="name">The name.</param>
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/// <returns><c>true</c> if [contains meta file by name] [the specified name]; otherwise, <c>false</c>.</returns>
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public bool ContainsMetaFileByName(string name)
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{
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if (string.IsNullOrEmpty(name))
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{
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throw new ArgumentNullException();
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}
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return GetFileSystemEntryByName(name) != null;
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}
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/// <summary>
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/// Determines whether [contains file system entry by name] [the specified name].
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/// </summary>
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/// <param name="name">The name.</param>
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/// <returns><c>true</c> if [contains file system entry by name] [the specified name]; otherwise, <c>false</c>.</returns>
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public bool ContainsFileSystemEntryByName(string name)
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{
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return GetFileSystemEntryByName(name) != null;
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}
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public string GetCollectionType()
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{
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return CollectionType;
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}
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public string CollectionType { get; set; }
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#region Equality Overrides
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/// <summary>
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/// Determines whether the specified <see cref="System.Object" /> is equal to this instance.
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/// </summary>
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/// <param name="obj">The object to compare with the current object.</param>
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/// <returns><c>true</c> if the specified <see cref="System.Object" /> is equal to this instance; otherwise, <c>false</c>.</returns>
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public override bool Equals(object obj)
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{
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return (Equals(obj as ItemResolveArgs));
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}
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/// <summary>
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/// Returns a hash code for this instance.
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/// </summary>
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/// <returns>A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.</returns>
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public override int GetHashCode()
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{
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return Path.GetHashCode();
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}
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/// <summary>
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/// Equalses the specified args.
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/// </summary>
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/// <param name="args">The args.</param>
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/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
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protected bool Equals(ItemResolveArgs args)
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{
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if (args != null)
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{
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if (args.Path == null && Path == null) return true;
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return args.Path != null && args.Path.Equals(Path, StringComparison.OrdinalIgnoreCase);
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}
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return false;
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}
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#endregion
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}
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}
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