Although Service-Oriented principles have been widely adopted by High Throughput Computing infrastructure designers, the integration between SOA and HTC is made difficult by legacy. jGASW is a framework for wrapping legacy scientific applications as Web Services and integrating them into an intensive computing-aware SOA framework. It maps complex I/O data structures to command lines and enables dynamic allocation of computing resources; including execu- tion on local hosts or on grid infrastructures; data transfer management and support of non-functional concerns.