source: branches/PersistenceReintegration/HeuristicLab.Persistence/4.0/Core/Serializer.cs @ 15020

Last change on this file since 15020 was 15020, checked in by gkronber, 5 years ago

#2520: fixed unit tests checking for exceptions

File size: 2.6 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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;
23using System.IO;
24using System.IO.Compression;
25
26namespace HeuristicLab.Persistence {
27  public abstract class Serializer : ISerializer {
28    public virtual void Serialize(object o, Stream stream) {
29      SerializeBundle(Mapper.ToBundle(o), stream);
30    }
31    public virtual void Serialize(object o, string path) {
32      string tempfile = Path.GetTempFileName();
33
34      using (FileStream stream = File.Create(tempfile)) {
35        using (var zipStream = new DeflateStream(stream, CompressionMode.Compress)) {
36          Serialize(o, zipStream);
37        }
38      }
39
40      File.Copy(tempfile, path, true);
41      File.Delete(tempfile);
42    }
43    public virtual byte[] Serialize(object o) {
44      using (var memoryStream = new MemoryStream()) {
45        using (var zipStream = new DeflateStream(memoryStream, CompressionMode.Compress)) {
46          Serialize(o, zipStream);
47        }
48        return memoryStream.ToArray();
49      }
50    }
51    protected abstract void SerializeBundle(Bundle bundle, Stream stream);
52
53    public virtual object Deserialize(Stream stream) {
54      return Mapper.ToObject(DeserializeBundle(stream));
55    }
56    public virtual object Deserialize(string path) {
57      using (var fileStream = new FileStream(path, FileMode.Open)) {
58        using (var zipStream = new DeflateStream(fileStream, CompressionMode.Decompress)) {
59          return Deserialize(zipStream);
60        }
61      }
62    }
63    public virtual object Deserialize(byte[] data) {
64      using (var memoryStream = new MemoryStream(data)) {
65        using (var zipStream = new DeflateStream(memoryStream, CompressionMode.Decompress)) {
66          return Deserialize(zipStream);
67        }
68      }
69    }
70    protected abstract Bundle DeserializeBundle(Stream stream);
71  }
72}
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