1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Reflection;
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24 | using HeuristicLab.Persistence.Core;
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25 | using HeuristicLab.Tracing;
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26 |
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27 | namespace HeuristicLab.Persistence.Auxiliary {
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28 |
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29 | internal class TypeLoader {
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30 |
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31 | public static Type Load(string typeNameString) {
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32 | Type type;
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33 | try {
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34 | type = Type.GetType(typeNameString, true);
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35 | }
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36 | catch (Exception) {
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37 | Logger.Warn(String.Format(
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38 | "Cannot load type \"{0}\", falling back to partial name", typeNameString));
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39 | try {
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40 | TypeName typeName = TypeNameParser.Parse(typeNameString);
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41 | #pragma warning disable 0618
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42 | Assembly a = Assembly.LoadWithPartialName(typeName.AssemblyName);
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43 | // the suggested Assembly.Load() method fails to load assemblies outside the GAC
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44 | #pragma warning restore 0618
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45 | type = a.GetType(typeName.ToString(false, false), true);
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46 | }
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47 | catch (Exception) {
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48 | throw new PersistenceException(String.Format(
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49 | "Could not load type \"{0}\"",
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50 | typeNameString));
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51 | }
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52 | try {
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53 | TypeName requestedTypeName = TypeNameParser.Parse(typeNameString);
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54 | TypeName loadedTypeName = TypeNameParser.Parse(type.AssemblyQualifiedName);
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55 | if (!requestedTypeName.IsCompatible(loadedTypeName))
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56 | throw new PersistenceException(String.Format(
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57 | "Serialized type is incompatible with available type: serialized: {0}, loaded: {1}",
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58 | typeNameString,
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59 | type.AssemblyQualifiedName));
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60 | if (requestedTypeName.IsNewerThan(loadedTypeName))
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61 | throw new PersistenceException(String.Format(
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62 | "Serialized type is newer than available type: serialized: {0}, loaded: {1}",
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63 | typeNameString,
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64 | type.AssemblyQualifiedName));
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65 | }
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66 | catch (PersistenceException) {
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67 | throw;
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68 | }
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69 | catch (Exception e) {
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70 | Logger.Warn(String.Format(
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71 | "Could not perform version check requested type was {0} while loaded type is {1}:",
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72 | typeNameString,
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73 | type.AssemblyQualifiedName),
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74 | e);
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75 | }
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76 | }
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77 | return type;
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78 | }
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79 | }
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80 | } |
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