Datei: NDOPackage/NDOProviderFactory.cs
Last Commit (946ad0e)
1 | using NDOInterfaces; |
2 | using System; |
3 | using System.Collections.Generic; |
4 | using System.Diagnostics; |
5 | using System.IO; |
6 | using System.Linq; |
7 | using System.Reflection; |
8 | using System.Text; |
9 | using System.Threading.Tasks; |
10 | |
11 | namespace NETDataObjects. NDOVSPackage |
12 | { |
13 | ····class NDOProviderFactory |
14 | ····{ |
15 | ········private Dictionary<string, IProvider> ndoProviders; |
16 | ········private static object lockObject = new object(); |
17 | ········private NDOProviderFactory() |
18 | ········{ |
19 | ········} |
20 | |
21 | ········public static NDOProviderFactory Instance = new NDOProviderFactory(); |
22 | ········public IProvider this[string name] |
23 | ········{ |
24 | ············get |
25 | ············{ |
26 | ················if (this.ndoProviders == null) |
27 | ················{ |
28 | ····················lock (lockObject) |
29 | ····················{ |
30 | ························if (this.ndoProviders == null) // double check |
31 | ························{ |
32 | ····························this.ndoProviders = new Dictionary<string, IProvider>(); |
33 | ····························string path = Path.GetDirectoryName(GetType().Assembly.Location); |
34 | |
35 | ····························var ifc = typeof(IProvider); |
36 | |
37 | ····························foreach (var fileName in Directory.GetFiles(path, "*Provider.dll")) |
38 | ····························{ |
39 | ································try |
40 | ································{ |
41 | ····································var assembly = Assembly.LoadFrom(fileName); |
42 | ····································foreach (var type in assembly.ExportedTypes) |
43 | ····································{ |
44 | ········································if (ifc.IsAssignableFrom(type)) |
45 | ········································{ |
46 | ············································var p = (IProvider)Activator.CreateInstance(type); |
47 | ············································this.ndoProviders.Add(p.Name, p); |
48 | ········································} |
49 | ····································} |
50 | ································} |
51 | ································catch (Exception ex) |
52 | ································{ |
53 | ····································Debug.WriteLine(fileName + ": " + ex.ToString()); |
54 | ································} |
55 | ····························} |
56 | ························} |
57 | ····················} |
58 | ················} |
59 | |
60 | ················IProvider result = null; |
61 | ················ndoProviders.TryGetValue(name, out result); |
62 | ················return result; |
63 | ············} |
64 | ········} |
65 | ····} |
66 | } |
67 |
New Commit (33e9857)
1 | using NDOInterfaces; |
2 | using System; |
3 | using System.Collections.Generic; |
4 | using System.Diagnostics; |
5 | using System.IO; |
6 | using System.Linq; |
7 | using System.Reflection; |
8 | using System.Text; |
9 | using System.Threading.Tasks; |
10 | |
11 | namespace NDOVsPackage |
12 | { |
13 | ····class NDOProviderFactory |
14 | ····{ |
15 | ········private Dictionary<string, IProvider> ndoProviders; |
16 | ········private static object lockObject = new object(); |
17 | ········private NDOProviderFactory() |
18 | ········{ |
19 | ········} |
20 | |
21 | ········public static NDOProviderFactory Instance = new NDOProviderFactory(); |
22 | ········public IProvider this[string name] |
23 | ········{ |
24 | ············get |
25 | ············{ |
26 | ················if (this.ndoProviders == null) |
27 | ················{ |
28 | ····················lock (lockObject) |
29 | ····················{ |
30 | ························if (this.ndoProviders == null) // double check |
31 | ························{ |
32 | ····························this.ndoProviders = new Dictionary<string, IProvider>(); |
33 | ····························string path = Path.GetDirectoryName(GetType().Assembly.Location); |
34 | |
35 | ····························var ifc = typeof(IProvider); |
36 | |
37 | ····························foreach (var fileName in Directory.GetFiles(path, "*Provider.dll")) |
38 | ····························{ |
39 | ································try |
40 | ································{ |
41 | ····································var assembly = Assembly.LoadFrom(fileName); |
42 | ····································foreach (var type in assembly.ExportedTypes) |
43 | ····································{ |
44 | ········································if (ifc.IsAssignableFrom(type)) |
45 | ········································{ |
46 | ············································var p = (IProvider)Activator.CreateInstance(type); |
47 | ············································this.ndoProviders.Add(p.Name, p); |
48 | ········································} |
49 | ····································} |
50 | ································} |
51 | ································catch (Exception ex) |
52 | ································{ |
53 | ····································Debug.WriteLine(fileName + ": " + ex.ToString()); |
54 | ································} |
55 | ····························} |
56 | ························} |
57 | ····················} |
58 | ················} |
59 | |
60 | ················IProvider result = null; |
61 | ················ndoProviders.TryGetValue(name, out result); |
62 | ················return result; |
63 | ············} |
64 | ········} |
65 | ····} |
66 | } |
67 | ··} |
68 | ····} |
69 | } |
70 |