Using XML with Legacy Business Applications

Comparing the Java and C++ Implementations

In the previous chapter we talked about the differences in DOM support, error handling, and native language features. We again see differences between the two implementations, and a common theme emerges. While C++ with MSXML is a bit more complex in some areas due to setting up the COM environment and checking for COM errors, the code that actually does the DOM-related functions is much more concise. The load and save operations are single calls with no setup. Compare this with the corresponding operations in JAXP and Xerces. Creating a Document requires a DocumentBuilderFactory, a DocumentBuilder, and finally a call to the create or parse method. Saving a Document using the XML Serializer is even more ...