1 | package com.framsticks.params; |
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2 | |
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3 | import com.framsticks.params.types.EventParam; |
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4 | import com.framsticks.params.types.ProcedureParam; |
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5 | |
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6 | /** |
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7 | * The Class PropertiesAccess. |
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8 | * |
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9 | * @author Jarek Szymczak <name.surname@gmail.com> (please replace name and |
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10 | * surname with my personal data) |
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11 | * |
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12 | * @author Piotr Śniegowski |
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13 | */ |
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14 | public class PropertiesAccess extends SimpleAbstractAccess { |
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15 | |
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16 | protected PropertiesObject properties; |
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17 | |
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18 | @Override |
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19 | public PropertiesObject createAccessee() { |
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20 | return new PropertiesObject(framsClass.getId()); |
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21 | } |
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22 | |
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23 | public PropertiesAccess(FramsClass framsClass) { |
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24 | super(framsClass); |
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25 | } |
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26 | |
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27 | @Override |
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28 | public void clearValues() { |
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29 | assert properties != null; |
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30 | properties.clear(); |
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31 | } |
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32 | |
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33 | @Override |
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34 | public <T> T get(ValueParam param, Class<T> type) { |
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35 | assert properties != null; |
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36 | assert param != null; |
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37 | Object object = properties.get(param.getId(), Object.class); |
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38 | if (object == null) { |
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39 | return null; |
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40 | } |
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41 | try { |
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42 | return type.cast(object); |
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43 | } catch (ClassCastException e) { |
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44 | throw (ClassCastException) new ClassCastException("property " + param + " type is " + object.getClass().getName() + ", not " + type.getName()).initCause(e); |
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45 | } |
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46 | } |
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47 | |
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48 | @Override |
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49 | protected <T> void internalSet(ValueParam param, T value) { |
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50 | properties.set(param.getId(), value); |
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51 | } |
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52 | |
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53 | /** |
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54 | * Sets the new values to operate on. It does not check whether the values |
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55 | * which are set through this method are correct. If set values are not |
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56 | * correct exceptions might occurred while getting / setting the parameters |
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57 | * values |
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58 | * |
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59 | * @param object |
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60 | * the properties with parameters values |
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61 | */ |
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62 | @Override |
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63 | public PropertiesAccess select(Object object) { |
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64 | properties = ParamsUtil.selectObjectForAccess(this, object, PropertiesObject.class); |
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65 | return this; |
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66 | } |
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67 | |
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68 | /** covariant */ |
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69 | @Override |
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70 | public PropertiesObject getSelected() { |
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71 | return properties; |
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72 | } |
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73 | |
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74 | @Override |
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75 | public PropertiesAccess cloneAccess() { |
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76 | return new PropertiesAccess(framsClass); |
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77 | } |
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78 | |
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79 | @Override |
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80 | public void tryAutoAppend(Object object) { |
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81 | throw new InvalidOperationException(); |
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82 | } |
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83 | |
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84 | @Override |
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85 | public Object call(String id, Object... arguments) { |
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86 | throw new InvalidOperationException().msg("properties access does not support calling methods").arg("id", id); |
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87 | } |
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88 | |
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89 | @Override |
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90 | public Object call(ProcedureParam param, Object... arguments) { |
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91 | throw new InvalidOperationException().msg("properties access does not support calling methods").arg("param", param); |
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92 | } |
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93 | |
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94 | @Override |
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95 | public void reg(EventParam param, EventListener<?> listener) { |
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96 | throw new InvalidOperationException().msg("properties access does not support registering events").arg("param", param).arg("access", this); |
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97 | } |
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98 | |
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99 | @Override |
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100 | public void regRemove(EventParam param, EventListener<?> listener) { |
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101 | throw new InvalidOperationException().msg("properties access does not support registering events").arg("param", param).arg("access", this); |
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102 | } |
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103 | |
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104 | @Override |
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105 | public String toString() { |
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106 | StringBuilder b = new StringBuilder(); |
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107 | b.append(framsClass); |
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108 | if (getSelected() != null) { |
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109 | b.append("(").append(getSelected().size()).append(")"); |
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110 | } |
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111 | return b.toString(); |
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112 | } |
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113 | } |
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