1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.Linq;
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4 | using System.Text;
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5 | using System.Threading.Tasks;
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6 | using HeuristicLab.Core;
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7 | using HeuristicLab.Data;
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8 | using HeuristicLab.PluginInfrastructure;
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9 | using HEAL.Attic;
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10 | using System.Collections;
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11 |
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12 | namespace HeuristicLab.JsonInterface {
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13 | /// <summary>
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14 | /// Class for handling json converters.
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15 | /// </summary>
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16 | public class JsonItemConverter : IJsonItemConverter {
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17 |
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18 | #region Properties
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19 | private IDictionary<Type, IJsonItemConverter> Converters { get; set; }
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20 | = new Dictionary<Type, IJsonItemConverter>();
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21 |
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22 | private IDictionary<int, IJsonItem> InjectCache { get; set; }
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23 | = new Dictionary<int, IJsonItem>();
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24 |
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25 | private IDictionary<int, IJsonItem> ExtractCache { get; set; }
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26 | = new Dictionary<int, IJsonItem>();
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27 |
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28 | public int Priority => throw new NotImplementedException();
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29 |
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30 | public Type ConvertableType => throw new NotImplementedException();
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31 | #endregion
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32 |
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33 | /// <summary>
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34 | /// GetConverter a converter for a specific type.
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35 | /// </summary>
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36 | /// <param name="type">The type for which the converter will be selected.</param>
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37 | /// <returns>An IJsonItemConverter object.</returns>
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38 | public IJsonItemConverter GetConverter(Type type) {
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39 | IList<IJsonItemConverter> possibleConverters = new List<IJsonItemConverter>();
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40 |
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41 | foreach (var x in Converters)
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42 | if (type.IsEqualTo(x.Key))
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43 | possibleConverters.Add(x.Value);
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44 |
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45 | if(possibleConverters.Count > 0) {
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46 | IJsonItemConverter best = possibleConverters.First();
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47 | foreach (var x in possibleConverters) {
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48 | if (x.Priority > best.Priority)
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49 | best = x;
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50 | }
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51 | return best;
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52 | }
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53 | return null;
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54 | }
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55 |
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56 | public void Inject(IItem item, IJsonItem data, IJsonItemConverter root) {
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57 | if (item != null && !InjectCache.ContainsKey(item.GetHashCode())) {
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58 | IJsonItemConverter converter = GetConverter(item.GetType());
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59 | if(converter != null) converter.Inject(item, data, root);
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60 | InjectCache.Add(item.GetHashCode(), data);
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61 | }
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62 | }
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63 |
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64 | public IJsonItem Extract(IItem item, IJsonItemConverter root) {
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65 | int hash = item.GetHashCode();
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66 | if (ExtractCache.TryGetValue(hash, out IJsonItem val))
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67 | return val;
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68 | else {
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69 | IJsonItemConverter converter = GetConverter(item.GetType());
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70 | if (converter == null) return new UnsupportedJsonItem();
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71 | IJsonItem tmp = GetConverter(item.GetType()).Extract(item, root);
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72 | ExtractCache.Add(hash, tmp);
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73 | return tmp;
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74 | }
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75 | }
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76 |
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77 | public static void Inject(IItem item, IJsonItem data) {
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78 | IJsonItemConverter c = JsonItemConverterFactory.Create();
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79 | c.Inject(item, data, c);
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80 | }
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81 |
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82 | public static IJsonItem Extract(IItem item) {
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83 | IJsonItemConverter c = JsonItemConverterFactory.Create();
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84 | return c.Extract(item, c);
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85 | }
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86 |
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87 | /// <summary>
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88 | /// Static constructor for default converter configuration.
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89 | /// </summary>
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90 | internal JsonItemConverter(IDictionary<Type, IJsonItemConverter> converters) {
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91 | Converters = converters;
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92 | }
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93 | }
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94 | }
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