joelittlejohn/jsonschema2pojo

Features

• JSON Schema to Java Generators - Generates Java classes from JSON Schema definitions with data-binding annotations for Jackson and Gson.
• JSON Schema Format Mappings - Maps JSON Schema format annotations like date-time and uri to specific Java types such as Date and URI.
• JSON Schema Format-to-Java Converters - Converts JSON Schema format values like uri and date-time into specific Java types such as URI and Date.
• Schema-to-Java Compilers - Compiles JSON Schema definitions into Java source files at build time, generating JavaBeans without runtime reflection.
• Schema-to-Code Build Plugins - Runs schema-to-Java generation automatically during Maven or Gradle builds as part of the compile phase.
• JSON Schema Reference Resolvers - Resolves JSON Schema $ref pointers across files and URLs to generate referenced Java types inline.
• Java Bean Generators - Creates Java classes with fields, getters, and setters from a JSON Schema definition, following the JavaBeans specification.
• Java Type Generators from JSON - Generates Java types from JSON samples with data-binding annotations for Jackson and Gson.
• JSON Schema-to-Java Type Mappers - Converts JSON Schema types like string and integer to corresponding Java types automatically.
• Schema-to-Code Generators - Generates Java source files by compiling JSON Schema definitions into JavaBeans at build time.
• Jackson Data-Binding Annotations - Adds Jackson annotations to generated Java types for automatic JSON serialization and deserialization.
• Data-Binding Annotation Generators - Generates Jackson and Gson annotations directly on fields and classes for automatic JSON serialization.
• Jackson Data-Binding Annotations - Generates Jackson annotations on Java types for automatic JSON serialization and deserialization.
• Jackson-Gson Annotation Generators - Adds Jackson or Gson annotations to generated Java types so they can serialize and deserialize JSON automatically.
• Schema-Derived Enum Generators - Creates Java enum types from JSON Schema enum declarations, including Jackson annotations for proper serialization.
• Format-Aware Type Mappings - Converts JSON Schema format values like date-time and uri into specific Java types such as Date and URI.
• Schema-to-Code Gradle Plugins - Integrates JSON Schema to Java type generation into Gradle builds as an automated build step.
• Build Plugin Code Generators - Integrates JSON Schema to Java type generation into Maven builds as an automated compile-time step.
• Build Plugin Integrators - Exposes generation as Maven and Gradle plugins that hook into the compile phase, plus a standalone CLI.
• Schema - Generates Java types from JSON Schema files directly from the terminal without requiring a build tool.
• Schema-to-Code CLI Generators - Provides a CLI tool that triggers schema-to-Java generation directly from a terminal without requiring a build tool.
• Existing Type Reusers - References pre-existing Java classes in generated POJOs instead of generating new types for those properties.
• Schema-Driven Inheritance Generators - Generates Java subclasses from JSON Schema extends declarations during code generation.
• Schema-Driven Inheritance Generators - Translates schema extends rules into Java class inheritance and allows generated types to implement user-specified interfaces.
• Schema-Declared Interface Implementations - Makes generated Java classes implement interfaces specified in JSON Schema definitions.
• Schema-Driven - Embeds a generation engine in Java applications to produce Java types from JSON Schema at runtime.
• External Schema Resolution - Resolves $ref pointers across files, URLs, and classpath resources, inlining external schema definitions before code generation.
• Schema Default Values - Reads schema default values for strings, numbers, booleans, enums, dates, and arrays, then emits field initializers.
• Schema-to-Validation Annotation Mappers - Translates JSON Schema validation rules like required and minLength into Java validation annotations.
• Schema Extension Systems - Reads custom vendor extensions in JSON Schema to control generated code behavior like enum naming and type overrides.
• Maven Plugin Schema Compilers - Integrates with Maven to run schema-to-Java generation automatically during the compile phase as a build step.
• Schema-Driven Validation Annotations - Attaches JSR-303 validation annotations like @NotNull and @Size to generated fields from schema rules.
• Gson Data-Binding Annotations - Adds Gson annotations to generated Java types for automatic JSON serialization and deserialization.
• Development Productivity Tools - Generates type-safe Java classes from JSON schemas.

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