Web Services Notes

• The Java Web Services Tutorial (Java Web Services Developer Pack (JWSDP) 2.0) - February, 2006
• Classification of HTTP APIs

• Hypertext Transfer Protocol -- HTTP/1.1

Idempotent - no matter how many times you apply the operation, the result is always the same.
Safe - the operation does not change the state of the resource representation.

• GET - Idempotent, safe
• PUT (Update) - Idempotent
• POST (Create) - Not idempotent, not safe
• DELETE - Idempotent

• Architectural Styles and the Design of Network-based Software Architectures - Roy T. Fielding's dissertation.
• InfoQ: A Brief Introduction to REST
• An Introduction to REST (Video)
• InfoQ: How to GET a Cup of Coffee - A case study
• REST in Practice (Book)

• JAX-RS: Java™ API for RESTful Web Services (v1.1) - September, 2009
• Jersey - JAX-RS (JSR 311) Reference Implementation

• RESTEasy - A JBoss framework for writing RESTful web services
• RESTEasy JAX-RS Documentation
• Develop Restful application with RESTeasy (Tutorial)

• The Atom Publishing Protocol (RFC 5023)
• AtomServer - A generic data store implemented as a RESTful web service.
• Apache Abdera - A functionally-complete, high-performance implementation of the IETF Atom Syndication Format (RFC 4287) and Atom Publishing Protocol (RFC 5023) specifications.
• atomojo - An Atom Publishing Protocol Client & Server
• “Getting to know the Atom Publishing Protocol” developerWorks Article:
  • Part 1: Create and edit Web resources with the Atom Publishing Protocol
  • Part 2: Put the Atom Publishing Protocol (APP) to work
  • Part 3: Introducing the Apache Abdera project

• Patterns and Best Practices for Enterprise Integration
• Top Open Source ESB Projects
• Best-of-Breed ESBs
• InfoQ: Does My Bus Look Big in This? - SOA without ESB presentation by Martin Fowler and Jim Webber

• Mule ESB
• Petals ESB
• FUSE ESB / Apache ServiceMix