无法验证数组的多态对象的JSON架构

lyr7nygr 于 2023-04-22 发布在其他

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尝试验证下面的JSON对JSON模式的多态类型对象数组
使用依赖关系

<dependency>
      <groupId>com.networknt</groupId>
      <artifactId>json-schema-validator</artifactId>
      <version>1.0.79</version>
      <exclusions>
        <exclusion>
          <groupId>org.apache.commons</groupId>
          <artifactId>commons-lang3</artifactId>
        </exclusion>
      </exclusions>
    </dependency>

有两种类型的车辆，“自行车”和“摩托车”和人可以有多个车辆
json缺少车辆类型“bicycle”的属性“petName”

{
  "firstname" : "Jack",
  "lastname" : "Sparrow",
  "age" : "42",
  "vehicles" : [
    {
      "type" : "bicycle",
      "company" : "Hercules",
      "isElectric" : false
    },
    {
      "type" : "motorcycle",
      "company" : "Hero",
      "hp" : 340,
      "isRich" : true
    }
  ]
}

json-schema

{
    "$schema": "http://json-schema.org/draft-06/schema#",
    "type": "object",
    "required": [
        "firstname",
        "lastname",
        "age",
        "vehicles"
    ],
    "properties": {
        "firstname": {
            "type": "string",
            "minLength": 2,
            "maxLength": 10
        },
        "lastname": {
            "type": "string"
        },
        "age": {
            "type": [
                "integer",
                "string"
            ]
        },
        "vehicles": {
            "type": "array",
            "items": {
                "type": "object",
                "required": [
                    "type"
                ],
                "properties": {
                    "company": {
                        "type": "string",
                        "minLength": 2,
                        "maxLength": 10
                    },
                    "isElectric": {
                        "type": "boolean"
                    },
                    "hp": {
                        "type": [
                            "string",
                            "integer"
                        ]
                    },
                    "isRich": {
                        "type": "boolean"
                    },
                    "type": {
                        "type": "string",
                        "enum": [
                            "bicycle",
                            "motorcycle"
                        ]
                    }
                },
                "additionalProperties": false
            },
            "anyOf": [
                {
                    "properties": {
                        "type": {
                            "const": "bicycle"
                        },
                        "vehicles": {
                            "items": {
                                "required": [
                                    "company",
                                    "isElectric",
                                    "petName"
                                ]
                            }
                        }
                    }
                },
                {
                    "properties": {
                        "type": {
                            "const": "motorcycle"
                        },
                        "vehicles": {
                            "items": {
                                "required": [
                                    "company",
                                    "hp",
                                    "isRich"
                                ]
                            }
                        }
                    }
                }
            ]
        },
        "additionalProperties": false
    }
}

因此，在车辆类型“bicycle”中找不到属性“petName”应该是错误的，因为它是为它设置的必需字段，但没有引发错误。json模式有效吗？或者我遗漏了什么东西或犯了什么错误？

JSON

来源：https://stackoverflow.com/questions/75992719/unable-to-validate-json-schema-for-polymorphic-object-of-array

1条答案

按热度按时间

bvn4nwqk1#

您的模式中有一些问题。让我们一次看一个。

additionalProperties应该上移一级，这样它就不在properties内部了。

{
  "properties": {
    "firstname": { ... },
    "lastname": { ... },
    "age": { ... },
    "vehicles": { ... },
    "additionalProperties": false // <-- doesn't belong here
  }
}

anyOf在错误的位置。您正在向项添加约束，因此将anyOf放在项架构上。

{
  "properties": {
    "vehicles": {
      "type": "array",
      "items": { ... },
      "anyOf": [...] // <-- Move into `items`
    }
  }
}

anyOf中的属性模式没有意义，因为“type”和“vehicles”不在同一个模式中。由于anyOf在项目模式中，因此其模式应该根据项目中的值编写。

{
  "properties": {
    "vehicles": {
      "items": {
        ...
        "anyOf": [
          {
            "properties": {
              "type": { "const": "bicycle" }
            },
            "required": ["company", "isElectric", "petName"]
          },
          {
            "properties": {
              "type": { "const": "motorcycle" },
            },
            "required": ["company", "hp", "isRich"]
          }
        ]
      }
    }
  }
}

1.您已将“petName”作为自行车的必需属性包含在内，但该属性未为车辆架构定义，并且不允许使用其他属性。您需要为“petName”定义架构或将其从required中删除

{
  "properties": {
    "vehicles": {
      "items": {
        "properties": { // <-- No "petName" defined
          "company": { ... },
          "isElectric": { ... },
          "hp": { ... },
          "isRich": { ... },
          "type": { ... }
        },
        "additionalProperties": false, // <-- No additional properties allowed
        "anyOf": [
          {
            ...,
            "required": ["company", "isElectric", "petName"] // <-- Requires "petName"
          },
          { ... }
        ]
      }
    }
  }
}

一旦您修复了这些问题，您的模式应该可以按预期工作。

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无法验证数组的多态对象的JSON架构

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