How jCOM Works
jCOM is said to work bi-directionally, which simply means that it allows communication in either direction between Java and COM components. Java objects can call COM components and, in turn, COM components can call Java objects. Of course, there exist two very disparate underlying architectures responsible for the wire-level communication that supports these distributed component frameworks.
At runtime, jCOM internally sets up a dual-protocol stack environment that accommodates support for each of these underlying infrastructures independent of one another (see Figure 33.1). For COM components, there is an implementation of COM/DCOM over DCE remote procedure calls; for Java objects, there is an implementation of RMI (Remote Method ...
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