Architectural styles and the design of network-based software architectures
Architectural styles and the design of network-based software architectures
Restful web services
Reengineering Legacy Systems with RESTful Web Service
COMPSAC '08 Proceedings of the 2008 32nd Annual IEEE International Computer Software and Applications Conference
Towards a Model-Driven Process for Designing ReSTful Web Services
ICWS '09 Proceedings of the 2009 IEEE International Conference on Web Services
Replacing legacy web services with RESTful services
Proceedings of the First International Workshop on RESTful Design
Proceedings of the Second International Workshop on RESTful Design
A concept for generating simplified RESTful interfaces
Proceedings of the 22nd international conference on World Wide Web companion
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Many companies have invested in legacy applications and want to benefit from the interoperability that the architectural style Representational State Transfer (REST) offers without redeveloping their software. One of the crucial parts when adding a REST interface to an existing application is creating an appropriate resource model. Utilizing any available model of the legacy application can accelerate development significantly because existing domain knowledge, data, and business process implementations can be reused. Despite the maturity of the architectural style, there is still little record of creating a resource model from existing object-oriented applications. This article presents a lightweight modeling process: First we harvest an existing object model for resource candidates, afterwards the resulting model is enhanced incrementally until a suitable resource model emerges. The process is illustrated by a case study that highlights interesting challenges, such as a comprehensive domain model and long running processes, as well as pragmatic solutions for these challenges. The paper demonstrates that it is feasible to add a RESTful interface to a legacy application even in a process rich environment.