Introduction
In this chapter, we will cover the so called Poll-based transports, the File or FTP Transport, the Email Transport, as well as the File JCA adapter.
As the name implies, the File or FTP Transport can be used to do operations on files. When using the File Transport, the file needs to be local to the OSB Server or reachable via a file share, whereas when using the FTP Transport , the file can be on any FTP server reachable from the OSB. When using these transports on a proxy service, then the given location will be constantly polled for new files, and each file will be processed by the message flow of the proxy service. When the two transports are used on a business service, then a file will be written to the configured location upon invoking the business service.
The File JCA adapter allows treating the operation on a file as a service, which also allows for the reading of a file through a service invocation in the message flow of a proxy service.
The Email Transport supports both...