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1 using System;
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2
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3 namespace BLToolkit.Reflection.Extension
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4 {
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5 public class ValueCollection : System.Collections.Generic.Dictionary<string,object>
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6 {
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7 private object _value;
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8 public object Value
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9 {
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10 get { return _value; }
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11 }
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12
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13 public new object this[string name]
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14 {
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15 get
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16 {
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17 object value;
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18 return TryGetValue(name, out value) ? value : null;
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19 }
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20 }
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21
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22 public void Add(string name, string value)
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23 {
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24 if (this != _null)
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25 {
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26 var isType = name.EndsWith(TypeExtension.ValueName.TypePostfix);
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27
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28 if (isType)
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29 {
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30 var type = Type.GetType(value, true);
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31 var valueName = name.Substring(0, name.Length - TypeExtension.ValueName.TypePostfix.Length);
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32
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33 Add(name, type);
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34
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35 object val;
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36
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37 TryGetValue(valueName, out val);
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38
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39 if (val != null && val.GetType() != type)
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40 {
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41 base[valueName] = val = TypeExtension.ChangeType(val.ToString(), type);
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42
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43 if (valueName == TypeExtension.ValueName.Value)
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44 _value = val;
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45 }
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46 }
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47 else
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48 {
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49 object val;
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50
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51 var type = TryGetValue(name + TypeExtension.ValueName.TypePostfix, out val) ? (Type)val : null;
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52
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53 val = value;
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54
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55 if (type != null && type != _value.GetType())
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56 val = TypeExtension.ChangeType(value, type);
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57
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58 if (ContainsKey(name))
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59 base[name] = val;
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60 else
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61 Add(name, val);
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62
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63 if (name == TypeExtension.ValueName.Value)
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64 _value = val;
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65 }
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66 }
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67 }
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68
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69 private static readonly Extension.ValueCollection _null = new Extension.ValueCollection();
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70 public static Extension.ValueCollection Null
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71 {
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72 get { return _null; }
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73 }
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74 }
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75 }
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