voxpupuli/json-schema
Json Schema
This library is a Ruby-based validation engine designed to verify JSON data structures against official schema specifications. It ensures data integrity by confirming that objects, strings, and files conform to defined structural constraints, while also validating the integrity of the schema definitions themselves against official metaschema standards.
The project distinguishes itself through a highly modular architecture that allows for deep customization. Users can register custom validation rules and format handlers to enforce project-specific business logic that extends beyond standard specifications. Furthermore, the system features a pluggable parsing layer, enabling the selection of different underlying engines to optimize performance or ensure compatibility with specific application environments.
The validator manages complex data structures through recursive traversal and maintains a stateful context to provide detailed error reporting, including specific property paths for identified violations. Security is addressed through a configurable resolution layer that manages how external schema references are fetched, allowing developers to restrict network or file system access as needed.
Features
- JSON Schema Validation - Validates JSON data structures against official schema specifications to ensure data integrity and structural compliance.
- Data Validation Libraries - Ensures data integrity within Ruby applications by enforcing structural constraints defined in standard schema formats.
- Schema Extensions - Supports extending schema rules to accommodate non-standard data structures and business logic.
- Field-Scoped Validation Contexts - Maintains a stateful context during validation to track error paths and violation details.
- Data Validation Layers - Verifies schema definitions against official metaschema standards to ensure structural integrity.
- Networked Schema Resolvers - Manages remote schema resolution to restrict network access and improve security.
- Remote Resolvers - Manages external schema references through a configurable fetching layer for security and performance.
- Custom Format Validators - Provides mechanisms to register custom format handlers for specific data validation needs.
- External Schema Resolution - Provides configurable resolution layers to securely fetch and process external schema references while restricting network or file system access.
- Data Validation Schemas - Allows adding custom validation logic to existing schema specifications.
- Domain-Specific Validation Rules - Implements project-specific business rules and custom format handlers for complex data.
- Validation Error Reporters - Reports detailed validation errors with specific property paths to assist in debugging data structures.
- Extension Registries - Provides a registry-based pattern for dynamically registering custom validation rules and format handlers.
- Data Structure Traversers - Recursively traverses nested data structures to apply validation constraints at every level.
- Meta-Schema Validations - Verifies that schema definitions conform to official metaschema standards.
- Specification Validation Schemas - Enables registration of custom validation rules and format handlers for project-specific requirements.
- Pluggable Parsers - Supports pluggable parsing backends to optimize performance and ensure environment compatibility.
- Schema Compliance Engines - Verifies JSON objects against official draft specifications while supporting custom format handlers and remote reference management.
Star history
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