| 1 |  |  | package com.hltech.vaunt.validator.schema; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | import com.fasterxml.jackson.module.jsonSchema.JsonSchema; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | import java.util.ArrayList; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | import java.util.Arrays; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | import java.util.List; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | import java.util.Objects; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | import java.util.Set; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | import java.util.function.BiPredicate; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | import java.util.stream.Collectors; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | public abstract class JsonSchemaValidator { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |     static final String ERROR_FORMAT = "Schema with id %s has not matching %s - consumer: %s, provider: %s"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     static final String ERROR_FORMAT_SHORT = "Schema with id %s has not matching %s"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     public abstract Class<?> supportsSchemaType(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     public List<String> validate(JsonSchema consumerSchema, JsonSchema providerSchema) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |         List<String> errors = new ArrayList<>(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |         if (!equals(consumerSchema.get$ref(), providerSchema.get$ref())) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |             errors.add(String.format(ERROR_FORMAT, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |                     consumerSchema.getId(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |                     "$ref", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |                     consumerSchema.get$ref(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |                     providerSchema.get$ref())); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |         if (!equals(consumerSchema.get$schema(), providerSchema.get$schema())) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |             errors.add(String.format(ERROR_FORMAT, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |                     consumerSchema.getId(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |                     "$schema", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |                     consumerSchema.get$schema(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |                     providerSchema.get$schema())); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |         if (!arraysEquals(consumerSchema.getDisallow(), providerSchema.getDisallow(), Object::equals)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |             errors.add(String.format(ERROR_FORMAT, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |                     consumerSchema.getId(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |                     "disallow", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |                     jsonArrayToString(consumerSchema.getDisallow()), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |                     jsonArrayToString(providerSchema.getDisallow()))); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |         if (!arraysEquals(consumerSchema.getExtends(), providerSchema.getExtends(), Object::equals)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |             errors.add(String.format(ERROR_FORMAT, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |                     consumerSchema.getId(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |                     "extends", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |                     jsonArrayToString(consumerSchema.getExtends()), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |                     jsonArrayToString(providerSchema.getExtends()))); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         if (isRequired(consumerSchema) && !isRequired(providerSchema)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |             errors.add(String.format(ERROR_FORMAT, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |                     consumerSchema.getId(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |                     "required", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |                     consumerSchema.getRequired(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |                     providerSchema.getRequired())); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |         if (!equals(consumerSchema.getReadonly(), providerSchema.getReadonly())) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |             errors.add(String.format(ERROR_FORMAT, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |                     consumerSchema.getId(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |                     "readonly", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |                     consumerSchema.getReadonly(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |                     providerSchema.getReadonly())); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |         if (!equals(consumerSchema.getDescription(), providerSchema.getDescription())) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |             errors.add(String.format(ERROR_FORMAT, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |                     consumerSchema.getId(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |                     "description", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |                     consumerSchema.getDescription(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |                     providerSchema.getDescription())); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |         return errors; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |     private boolean isRequired(JsonSchema schema) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         return schema.getRequired() != null && schema.getRequired(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     boolean equals(Object object1, Object object2) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |         return Objects.equals(object1, object2); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |     <T> boolean arraysEquals(T[] array1, T[] array2, BiPredicate<T, T> checker) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |         if (array1 == null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |             return array2 == null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |         if (array2 == null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |         int len = array1.length; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |         if (len != array2.length) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |         for (int i = 0; i < len; ++i) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |             if (!checker.test(array1[i], array2[i])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |                 return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |         return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |     private String jsonArrayToString(JsonSchema[] array) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |         String content = Arrays.stream(array) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |                 .map(this::jsonToString) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |                 .collect(Collectors.joining(", ")); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |         return "[" + content + "]"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |     String jsonToString(JsonSchema object) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |         return "JsonSchema(id=" + object.getId() + ")"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 119 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 120 |  |  |     boolean isEnumValid(Set<String> consumerEnums, Set<String> providerEnums) { | 
            
                                                                        
                            
            
                                    
            
            
                | 121 |  |  |         if (representsString(consumerEnums) && representsEnum(providerEnums)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 122 |  |  |             return false; | 
            
                                                                        
                            
            
                                    
            
            
                | 123 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 124 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 125 |  |  |         if (representsEnum(consumerEnums) && representsEnum(providerEnums)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 126 |  |  |             return providerEnums.containsAll(consumerEnums); | 
            
                                                                        
                            
            
                                    
            
            
                | 127 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 128 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 129 |  |  |         return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |     private boolean representsEnum(Set<String> enums) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |         return enums.size() > 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |     private boolean representsString(Set<String> enums) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |         return enums.size() == 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 139 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 140 |  |  |  |