2.3. Other Java-XML Technologies
Up to now, we have discussed the Web service-specific technologies that are a mandatory part of the J2EE platform. As such, these technologies must be present in any J2EE implementation from any vendor. Apart from these, there are other Java-XML technologies that, while not a mandatory requirement of the J2EE platform, still prove very useful for implementing Web services. While there are a number of such technologies, we discuss here only those referenced throughout this book. One such non-mandatory but useful Java-XML technology is the Java Architecture for XML Binding (JAXB), which standardizes the representation of an XML document as an in-memory object.
As we have already seen, when two parties communicate ...
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