1 | using System;
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2 | using System.Collections;
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3 | using System.Reflection;
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4 | using System.Collections.Generic;
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5 | namespace Persistence {
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6 |
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7 | public interface ICustomSerializer {
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8 | bool CanSerialize(Type type);
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9 | IEnumerable Serialize(object o);
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10 | object DeSerialize(IEnumerable o, Type t);
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11 | }
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12 |
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13 | public class EnumerableSerializer : ICustomSerializer {
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14 | public bool CanSerialize(Type type) {
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15 | if (type.GetInterface("IEnumerable") == null)
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16 | return false;
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17 | if (type.GetMethod("GetEnumerator", new Type[] { }) == null)
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18 | return false;
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19 | MethodInfo addMethod = type.GetMethod("Add");
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20 | if (addMethod == null)
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21 | return false;
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22 | if (addMethod.GetParameters().Length != 1)
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23 | return false;
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24 | return true;
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25 | }
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26 | public IEnumerable Serialize(object o) {
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27 | return (IEnumerable)o;
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28 | }
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29 | public object DeSerialize(IEnumerable objects, Type t) {
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30 | object instance = Activator.CreateInstance(t);
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31 | foreach (object o in objects) {
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32 | t.GetMethod("Add").Invoke(instance, new object[] { o });
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33 | }
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34 | return instance;
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35 | }
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36 | }
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37 |
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38 | public class ArraySerializer : ICustomSerializer {
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39 |
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40 | public bool CanSerialize(Type type) {
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41 | return type.IsArray;
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42 | }
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43 |
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44 | public IEnumerable Serialize(object array) {
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45 | foreach (object o in (Array)array) {
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46 | yield return o;
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47 | }
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48 | }
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49 |
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50 | public object DeSerialize(IEnumerable elements, Type t) {
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51 | List<object> allElements = new List<object>();
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52 | foreach (object obj in elements) {
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53 | allElements.Add(obj);
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54 | }
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55 | Array array =
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56 | Array.CreateInstance(t.GetElementType(), allElements.Count);
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57 | for (int i = 0; i < array.Length; i++) {
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58 | array.SetValue(allElements[i], i);
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59 | }
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60 | return array;
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61 | }
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62 |
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63 | }
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64 |
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65 |
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66 | }
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