1 | package com.framsticks.params; |
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2 | |
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3 | import org.apache.logging.log4j.Logger; |
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4 | import org.apache.logging.log4j.LogManager; |
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5 | |
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6 | import com.framsticks.params.annotations.FramsClassAnnotation; |
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7 | import com.framsticks.params.annotations.ParamAnnotation; |
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8 | import com.framsticks.util.DoubleMap; |
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9 | import com.framsticks.util.FramsticksException; |
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10 | import com.framsticks.util.FramsticksUnsupportedOperationException; |
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11 | import com.framsticks.util.lang.Strings; |
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12 | |
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13 | import java.util.IdentityHashMap; |
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14 | import java.util.Map; |
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15 | import java.util.Set; |
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16 | |
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17 | import javax.annotation.Nonnull; |
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18 | |
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19 | /** |
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20 | * Author: Piotr Śniegowski |
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21 | */ |
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22 | @FramsClassAnnotation |
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23 | public class Registry implements AccessProvider { |
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24 | private static final Logger log = LogManager.getLogger(Registry.class.getName()); |
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25 | |
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26 | protected final DoubleMap<String, Class<?>> javaClasses = new DoubleMap<>(); |
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27 | protected final DoubleMap<String, FramsClass> framsClasses = new DoubleMap<>(); |
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28 | protected final Map<Class<?>, FramsClass> javaToFramsAssociation = new IdentityHashMap<>(); |
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29 | |
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30 | /** |
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31 | * |
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32 | */ |
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33 | public Registry() { |
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34 | // registerAndBuild(Registry.class); |
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35 | // registerAndBuild(FramsClass.class); |
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36 | // registerAndBuild(Param.class); |
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37 | } |
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38 | |
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39 | public void registerReflectedClass(String name, String id, Class<?> javaClass) { |
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40 | javaClasses.put(id, name, javaClass); |
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41 | } |
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42 | |
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43 | public void associate(Class<?> javaClass, FramsClass framsClass) { |
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44 | javaToFramsAssociation.put(javaClass, framsClass); |
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45 | } |
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46 | |
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47 | public Registry registerAndBuild(Class<?> javaClass) { |
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48 | if (javaToFramsAssociation.containsKey(javaClass)) { |
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49 | return this; |
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50 | } |
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51 | register(javaClass); |
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52 | associate(javaClass, putFramsClass(FramsClass.build().forClass(javaClass))); |
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53 | for (Class<?> r : ParamCandidate.getAllCandidates(javaClass).getDependentClasses()) { |
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54 | registerAndBuild(r); |
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55 | } |
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56 | return this; |
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57 | } |
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58 | |
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59 | public FramsClass registerReflectedIfNeeded(Class<?> javaClass) { |
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60 | if (!javaToFramsAssociation.containsKey(javaClass)) { |
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61 | registerAndBuild(javaClass); |
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62 | } |
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63 | return javaToFramsAssociation.get(javaClass); |
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64 | } |
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65 | |
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66 | public Registry register(Class<?> javaClass) { |
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67 | FramsClassAnnotation a = javaClass.getAnnotation(FramsClassAnnotation.class); |
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68 | if (a == null) { |
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69 | throw new FramsticksException().msg("class is not annotated").arg("class", javaClass); |
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70 | } |
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71 | |
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72 | registerReflectedClass(FramsClassBuilder.getName(a, javaClass), FramsClassBuilder.getId(a, javaClass), javaClass); |
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73 | return this; |
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74 | } |
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75 | |
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76 | public @Nonnull ReflectionAccess createAccess(Class<?> javaClass) throws ConstructionException { |
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77 | try { |
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78 | if (!javaClasses.containsValue(javaClass)) { |
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79 | throw new FramsticksException().msg("java class is not registered"); |
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80 | } |
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81 | if (!javaToFramsAssociation.containsKey(javaClass)) { |
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82 | throw new FramsticksException().msg("java class is not associated with any frams class"); |
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83 | } |
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84 | return new ReflectionAccess(javaClass, javaToFramsAssociation.get(javaClass)); |
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85 | } |
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86 | catch (FramsticksException e) { |
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87 | throw new FramsticksException().msg("failed to create access for java class").arg("class", javaClass).cause(e); |
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88 | } |
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89 | } |
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90 | |
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91 | public @Nonnull Access createAccess(String name, FramsClass framsClass) throws ConstructionException { |
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92 | // assert framsClasses.containsValue(framsClass); |
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93 | if (javaClasses.containsKey(name)) { |
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94 | return new ReflectionAccess(javaClasses.get(name), framsClass); |
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95 | } |
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96 | return new PropertiesAccess(framsClass); |
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97 | } |
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98 | |
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99 | public FramsClass putFramsClass(FramsClass framsClass) { |
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100 | log.debug("caching info for {}", framsClass); |
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101 | framsClasses.put(framsClass.getId(), framsClass.getName(), framsClass); |
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102 | return framsClass; |
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103 | } |
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104 | |
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105 | public FramsClass getFramsClass(@Nonnull CompositeParam param) { |
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106 | return framsClasses.get(param.getContainedTypeName()); |
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107 | } |
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108 | |
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109 | public FramsClass getFramsClass(@Nonnull String identifier) { |
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110 | return framsClasses.get(identifier); |
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111 | } |
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112 | |
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113 | public static @Nonnull Access wrapAccessWithListIfNeeded(@Nonnull CompositeParam param, @Nonnull Access access) { |
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114 | return param.prepareAccess(access); |
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115 | } |
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116 | |
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117 | public @Nonnull Access prepareAccess(CompositeParam param) throws ConstructionException { |
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118 | return wrapAccessWithListIfNeeded(param, createAccess(param.getContainedTypeName())); |
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119 | } |
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120 | |
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121 | public @Nonnull Access createAccess(@Nonnull String name) throws ConstructionException { |
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122 | try { |
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123 | Strings.assureNotEmpty(name); |
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124 | FramsClass framsClass = getFramsClass(name); |
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125 | if (framsClass == null) { |
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126 | throw new ConstructionException().msg("framsclass is missing"); |
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127 | } |
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128 | |
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129 | return createAccess(name, framsClass); |
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130 | } |
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131 | catch (FramsticksException e) { |
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132 | throw new FramsticksException().msg("failed to create access for name").arg("name", name).cause(e); |
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133 | } |
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134 | } |
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135 | |
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136 | public FramsClass getFramsClassForJavaClass(Class<?> javaClass) { |
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137 | return javaToFramsAssociation.get(javaClass); |
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138 | } |
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139 | |
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140 | public Set<Class<?>> getReflectedClasses() { |
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141 | return javaClasses.getValues(); |
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142 | } |
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143 | |
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144 | public Set<FramsClass> getFramsClasses() { |
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145 | return framsClasses.getValues(); |
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146 | } |
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147 | |
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148 | @ParamAnnotation |
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149 | public Map<String, FramsClass> getFramsClassesById() { |
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150 | return framsClasses.getValuesById(); |
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151 | } |
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152 | |
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153 | public void takeAllFrom(Registry source) { |
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154 | for (Class<?> javaClass : source.getReflectedClasses()) { |
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155 | register(javaClass); |
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156 | } |
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157 | for (FramsClass framsClass : source.getFramsClasses()) { |
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158 | putFramsClass(framsClass); |
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159 | } |
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160 | |
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161 | } |
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162 | |
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163 | @Override |
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164 | public Access getAccess(String name) { |
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165 | return createAccess(name); |
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166 | } |
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167 | |
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168 | @Override |
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169 | public void addAccess(Access access) { |
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170 | throw new FramsticksUnsupportedOperationException().msg("adding accesses to Registry"); |
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171 | } |
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172 | |
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173 | } |
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