Generate Java from JSON Schema

Package nameClass name overrideValidation namespacejakarta.validationjavax.validationAccessor strategyLombok annotationsGenerate getters and settersFields only

Emit validation annotationsMap required properties to @NotNullPrefer BigDecimalUse BigDecimal instead of Double for schema numbersEmit JavaDocUse schema descriptions for class and field comments

JSON Schema Input

94 lines · 2023 chars

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Order",
  "description": "Checkout order created by the storefront.",
  "type": "object",
  "required": ["id", "amount", "createdAt", "customer", "items"],
  "properties": {
    "id": {
      "type": "string",
      "description": "Business order identifier."
    },
    "amount": {
      "type": "number",
      "description": "Total amount in the settlement currency."
    },
    "createdAt": {
      "type": "string",
      "format": "date-time"
    },
    "paid": {
      "type": "boolean"
    },
    "tags": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "customer": {
      "type": "object",
      "required": ["id", "profile"],
      "properties": {
        "id": {
          "type": "string"
        },
        "profile": {
          "type": "object",
          "required": ["email"],
          "properties": {
            "email": {
              "type": "string"
            },
            "loyaltyTier": {
              "type": "string"
            }
          }
        }
      }
    },
    "shipping": {
      "type": "object",
      "properties": {
        "address": {
          "type": "object",
          "properties": {
            "city": {
              "type": "string"
            },
            "country": {
              "type": "string"
            }
          }
        }
      }
    },
    "items": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["sku", "quantity"],
        "properties": {
          "sku": {
            "type": "string"
          },
          "quantity": {
            "type": "integer"
          },
          "pricing": {
            "type": "object",
            "properties": {
              "unitPrice": {
                "type": "number"
              }
            }
          }
        }
      }
    },
    "metadata": {
      "type": "object",
      "description": "Opaque integration-specific values."
    }
  }
}

{ "$schema": "https://json-schema.org/draft/2020-12/schema", "title": "Order", "description": "Checkout order created by the storefront.", "type": "object", "required": ["id", "amount", "createdAt", "customer", "items"], "properties": { "id": { "type": "string", "description": "Business order identifier." }, "amount": { "type": "number", "description": "Total amount in the settlement currency." }, "createdAt": { "type": "string", "format": "date-time" }, "paid": { "type": "boolean" }, "tags": { "type": "array", "items": { "type": "string" } }, "customer": { "type": "object", "required": ["id", "profile"], "properties": { "id": { "type": "string" }, "profile": { "type": "object", "required": ["email"], "properties": { "email": { "type": "string" }, "loyaltyTier": { "type": "string" } } } } }, "shipping": { "type": "object", "properties": { "address": { "type": "object", "properties": { "city": { "type": "string" }, "country": { "type": "string" } } } } }, "items": { "type": "array", "items": { "type": "object", "required": ["sku", "quantity"], "properties": { "sku": { "type": "string" }, "quantity": { "type": "integer" }, "pricing": { "type": "object", "properties": { "unitPrice": { "type": "number" } } } } } }, "metadata": { "type": "object", "description": "Opaque integration-specific values." } } }

Fields

22 fields

/idrequired

string → String

MemberFieldPropertyGenerate getter/setter

/amountrequired

number → BigDecimal

MemberFieldPropertyGenerate getter/setter

/createdAtrequired

string (date-time) → OffsetDateTime

MemberFieldPropertyGenerate getter/setter

/paid

boolean → Boolean

MemberFieldPropertyGenerate getter/setter

/tags

array → List<String>

MemberFieldPropertyGenerate getter/setter

/tags/0

string → String

MemberFieldPropertyGenerate getter/setter

/customerrequired

object → Map<String, Object>

MemberFieldPropertyGenerate getter/setter

/customer/idrequired

string → String

MemberFieldPropertyGenerate getter/setter

/customer/profilerequired

object → Map<String, Object>

MemberFieldPropertyGenerate getter/setter

/customer/profile/emailrequired

string → String

MemberFieldPropertyGenerate getter/setter

/customer/profile/loyaltyTier

string → String

MemberFieldPropertyGenerate getter/setter

/shipping

object → Map<String, Object>

MemberFieldPropertyGenerate getter/setter

/shipping/address

object → Map<String, Object>

MemberFieldPropertyGenerate getter/setter

/shipping/address/city

string → String

MemberFieldPropertyGenerate getter/setter

/shipping/address/country

string → String

MemberFieldPropertyGenerate getter/setter

/itemsrequired

array → List<Map<String, Object>>

MemberFieldPropertyGenerate getter/setter

/items/0

object → Map<String, Object>

MemberFieldPropertyGenerate getter/setter

/items/0/skurequired

string → String

MemberFieldPropertyGenerate getter/setter

/items/0/quantityrequired

integer → Long

MemberFieldPropertyGenerate getter/setter

/items/0/pricing

object → Map<String, Object>

MemberFieldPropertyGenerate getter/setter

/items/0/pricing/unitPrice

number → BigDecimal

MemberFieldPropertyGenerate getter/setter

/metadata

object → Map<String, Object>

MemberFieldPropertyGenerate getter/setter

Java Output

Order.java · 47 lines · 957 chars

package org.example.generated;

import jakarta.validation.constraints.NotNull;
import java.math.BigDecimal;
import java.time.OffsetDateTime;
import java.util.List;
import java.util.Map;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

/**
 * Checkout order created by the storefront.
 */
@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
public class Order {
    /** Business order identifier. */
    @NotNull
    private String id;

    /** Total amount in the settlement currency. */
    @NotNull
    private BigDecimal amount;

    @NotNull
    private OffsetDateTime createdAt;

    private Boolean paid;

    private List<String> tags;

    @NotNull
    private Map<String, Object> customer;

    private Map<String, Object> shipping;

    @NotNull
    private List<Map<String, Object>> items;

    /** Opaque integration-specific values. */
    private Map<String, Object> metadata;
}

Generation Rules

TODO