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source: trunk/sources/HeuristicLab.Common/3.3/Content/ContentManager.cs @ 9823

Last change on this file since 9823 was 9456, checked in by swagner, 12 years ago

Updated copyright year and added some missing license headers (#1889)

File size: 3.4 KB
RevLine 
[3405]1#region License Information
2/* HeuristicLab
[9456]3 * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[3405]4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23
24namespace HeuristicLab.Common {
[3424]25  public abstract class ContentManager {
26    private static ContentManager instance;
27
[3483]28    public static void Initialize(ContentManager manager) {
29      if (manager == null) throw new ArgumentNullException();
30      if (ContentManager.instance != null) throw new InvalidOperationException("ContentManager has already been initialized.");
31      ContentManager.instance = manager;
[3424]32    }
33
[3483]34    protected ContentManager() { }
[3424]35
[3483]36    public static IStorableContent Load(string filename) {
37      if (instance == null) throw new InvalidOperationException("ContentManager is not initialized.");
38      IStorableContent content = instance.LoadContent(filename);
39      content.Filename = filename;
40      return content;
[3424]41    }
[3483]42    public static void LoadAsync(string filename, Action<IStorableContent, Exception> loadingCompletedCallback) {
43      if (instance == null) throw new InvalidOperationException("ContentManager is not initialized.");
44      var func = new Func<string, IStorableContent>(instance.LoadContent);
45      func.BeginInvoke(filename, delegate(IAsyncResult result) {
46        Exception error = null;
47        IStorableContent content = null;
48        try {
49          content = func.EndInvoke(result);
50          content.Filename = filename;
51        }
52        catch (Exception ex) {
53          error = ex;
54        }
55        loadingCompletedCallback(content, error);
56      }, null);
[3424]57    }
[3483]58    protected abstract IStorableContent LoadContent(string filename);
[3424]59
[3483]60    public static void Save(IStorableContent content, string filename, bool compressed) {
61      if (instance == null) throw new InvalidOperationException("ContentManager is not initialized.");
[4245]62      instance.SaveContent(content, filename, compressed);
[3483]63      content.Filename = filename;
[3424]64    }
[3483]65    public static void SaveAsync(IStorableContent content, string filename, bool compressed, Action<IStorableContent, Exception> savingCompletedCallback) {
66      if (instance == null) throw new InvalidOperationException("ContentManager is not initialized.");
[4245]67      var action = new Action<IStorableContent, string, bool>(instance.SaveContent);
68      action.BeginInvoke(content, filename, compressed, delegate(IAsyncResult result) {
69        Exception error = null;
70        try {
71          action.EndInvoke(result);
72          content.Filename = filename;
73        }
74        catch (Exception ex) {
75          error = ex;
76        }
77        savingCompletedCallback(content, error);
78      }, null);
[3500]79
[3424]80    }
[3483]81    protected abstract void SaveContent(IStorableContent content, string filename, bool compressed);
[3405]82  }
83}
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