{"id":36421696,"url":"https://github.com/dogrulabs/jackson3-json-validation","last_synced_at":"2026-01-14T02:20:17.643Z","repository":{"id":331913558,"uuid":"1111196602","full_name":"dogrulabs/jackson3-json-validation","owner":"dogrulabs","description":"A lightweight Jackson 3 + Jakarta Bean Validation library for Java.","archived":false,"fork":false,"pushed_at":"2025-12-06T14:52:56.000Z","size":33,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"main","last_synced_at":"2026-01-11T19:13:55.488Z","etag":null,"topics":["bean-validation","jackson","java","json","library","validation"],"latest_commit_sha":null,"homepage":"","language":"Java","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"apache-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/dogrulabs.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":"CONTRIBUTING.md","funding":null,"license":"LICENSE","code_of_conduct":"CODE_OF_CONDUCT.md","threat_model":null,"audit":null,"citation":null,"codeowners":".github/CODEOWNERS","security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2025-12-06T13:17:27.000Z","updated_at":"2025-12-06T21:17:39.000Z","dependencies_parsed_at":null,"dependency_job_id":null,"html_url":"https://github.com/dogrulabs/jackson3-json-validation","commit_stats":null,"previous_names":["dogrulabs/jackson3-json-validation"],"tags_count":2,"template":false,"template_full_name":null,"purl":"pkg:github/dogrulabs/jackson3-json-validation","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dogrulabs%2Fjackson3-json-validation","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dogrulabs%2Fjackson3-json-validation/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dogrulabs%2Fjackson3-json-validation/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dogrulabs%2Fjackson3-json-validation/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/dogrulabs","download_url":"https://codeload.github.com/dogrulabs/jackson3-json-validation/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dogrulabs%2Fjackson3-json-validation/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":28408711,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-01-14T01:52:23.358Z","status":"online","status_checked_at":"2026-01-14T02:00:06.678Z","response_time":107,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["bean-validation","jackson","java","json","library","validation"],"created_at":"2026-01-11T17:39:05.733Z","updated_at":"2026-01-14T02:20:17.637Z","avatar_url":"https://github.com/dogrulabs.png","language":"Java","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Jackson 3 JSON Validation\n\n[![Maven Central](https://img.shields.io/maven-central/v/io.github.dogrulabs/jackson3-json-validation?label=Maven%20Central)](https://central.sonatype.com/artifact/io.github.dogrulabs/jackson3-json-validation)\n[![Build Status](https://img.shields.io/github/actions/workflow/status/dogrulabs/jackson3-json-validation/ci.yml?branch=main)](https://github.com/dogrulabs/jackson3-json-validation/actions)\n[![License](https://img.shields.io/github/license/dogrulabs/jackson3-json-validation)](LICENSE)\n\nA lightweight Java library for validating JSON against Java DTOs using **Jackson 3** and **Jakarta Bean Validation**.\n\nIt avoids JSON Schema complexity by treating your Java classes (DTOs) as the schema definition.\n\n## 📚 Documentation\n\nDetailed documentation is available in the `docs` folder:\n\n- [**Getting Started**](docs/getting-started.md): Installation and basic \"Hello World\" example.\n- [**Advanced Usage**](docs/advanced-usage.md): Nested validation, collections, and custom constraints.\n- [**Configuration**](docs/configuration.md): Customizing the Jackson Mapper and Validator.\n- [**Error Handling**](docs/error-handling.md): Understanding and using `ValidationResult`.\n\n## 🚀 Quick Start\n\n### 1. Install\n\n```xml\n\u003cdependency\u003e\n    \u003cgroupId\u003eio.github.dogrulabs\u003c/groupId\u003e\n    \u003cartifactId\u003ejackson3-json-validation\u003c/artifactId\u003e\n    \u003cversion\u003e1.0.0\u003c/version\u003e\n\u003c/dependency\u003e\n```\n\n### 2. Validate\n\n```java\n// 1. Define DTO\npublic class UserDto {\n    @NotNull\n    public String username;\n}\n\n// 2. Validate\nJsonValidator validator = JsonValidators.defaultValidator();\nValidationResult result = validator.validate(\"{\\\"username\\\": null}\", UserDto.class);\n\nif (!result.valid()) {\n    System.out.println(result.errors()); // [ValidationError(path=username, message=must not be null)]\n}\n```\n\n## Features\n\n- **Java 17** baseline.\n- **Jackson 3** (`tools.jackson.*`) for JSON parsing and binding.\n- **Jakarta Bean Validation 3.0+** for constraints.\n- **Zero Boilerplate**: No manual schema definition required.\n- **Simple API**: Functional API returning a clear `ValidationResult`.\n\n## Contributing\n\nPull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.\n\n## License\n\n[Apache License 2.0](LICENSE)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdogrulabs%2Fjackson3-json-validation","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdogrulabs%2Fjackson3-json-validation","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdogrulabs%2Fjackson3-json-validation/lists"}