Feign Live

Transcript

1. #DevoxxFR Feign(ant) in Action The Java REST client Igor Laborie <igor@monkeypatch.io> @ilaborie 20/04/2016 #feign
2. #DevoxxFR Igor Laborie Expert Web & Java igor@monkeypatch.io @ilaborie $ whoami
3. #DevoxxFR com.netflix.feign:feign-core:8.16.0 * for feign-core, others extensions had few https://github.com/Netflix/feign Apache License v2.0 Java 7+, Java 8 friendly No dependencies* #feign #sparkjava
4. #DevoxxFR Why Feign ? #feign
5. #DevoxxFR Live Coding https://github.com/ilaborie/feign-live #feign
6. #DevoxxFR Body Encoder & decoder It’s easy to create custom encoder/decoder, error decoder. public static CatClient create(String url) { return Feign.builder() .encoder(new GsonEncoder()) .decoder(new GsonDecoder()) .target(CatClient.class, url); } #feign Available extensions: GSON, Jackson, JAXB, Sax
7. #DevoxxFR Others extensions ... Implement Contract for custom annotations (e.g. JAX-RS) Use another HTTP client implements Client Apache HttpClient: feign-httpclient OkHttp: feign-okhttp Also have integration for SLF4J logging: feign-slf4j Ribbon: feign-ribbon Histryx circuit breaker: feign-histryx ... #feign #sparkjava
8. #DevoxxFR #feign Thanks ! We are Hiring job@monkeypatch.io