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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| using DotNetNuke.Collections.Internal; | ||
| using DotNetNuke.Framework.Reflections; | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
|
|
||
| namespace Satrabel.OpenContent.Components.FileIndexer | ||
| { | ||
| public class FileIndexerManager | ||
| { | ||
|
|
||
| private static readonly ILogAdapter Logger = AppConfig.Instance.LogAdapter.GetLogAdapter(typeof(FileIndexerManager)); | ||
| private static NaiveLockingList<IFileIndexer> _fileIndexers; | ||
|
|
||
| public static void RegisterFileIndexers() | ||
| { | ||
| _fileIndexers = new NaiveLockingList<IFileIndexer>(); | ||
|
|
||
| foreach (IFileIndexer fi in GetFileIndexers()) | ||
| { | ||
| _fileIndexers.Add(fi); | ||
| } | ||
| } | ||
|
|
||
| private static IEnumerable<IFileIndexer> GetFileIndexers() | ||
| { | ||
| var typeLocator = new TypeLocator(); | ||
| IEnumerable<Type> types = typeLocator.GetAllMatchingTypes(IsValidDataSourceProvider); | ||
|
|
||
| foreach (Type filterType in types) | ||
| { | ||
| IFileIndexer filter; | ||
| try | ||
| { | ||
| filter = Activator.CreateInstance(filterType) as IFileIndexer; | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| Logger.Error($"Unable to create {filterType.FullName} while GetFileIndexers. {e.Message}"); | ||
| filter = null; | ||
| } | ||
|
|
||
| if (filter != null) | ||
| { | ||
| yield return filter; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private static bool IsValidDataSourceProvider(Type t) | ||
| { | ||
| return t != null && t.IsClass && !t.IsAbstract && t.IsVisible && typeof(IFileIndexer).IsAssignableFrom(t); | ||
| } | ||
|
|
||
| public static IFileIndexer GetFileIndexer(string file) | ||
| { | ||
| if (string.IsNullOrEmpty(file)) | ||
| return null; | ||
|
|
||
| var fileIndexer = _fileIndexers.SingleOrDefault(ds => ds.CanIndex(file)); | ||
| return fileIndexer; | ||
| } | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using System.Text; | ||
|
|
||
| namespace Satrabel.OpenContent.Components.FileIndexer | ||
| { | ||
| public interface IFileIndexer | ||
| { | ||
| // return true if this fileindexer can handle this kind of file (based on the file extension) | ||
| bool CanIndex(string file); | ||
|
|
||
| //return a text representation of the content of the file for indexing | ||
| string GetContent(string file); | ||
| } | ||
| } |
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