August 2003
Intermediate to advanced
624 pages
15h 3m
English
Content preview from Using XML with Legacy Business Applications
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Summary of Classes
The utilities are built using three families of classes.
Converters: These handle the high-level tasks associated with a conversion. The methods in these classes are responsible for the main processing flow of converting to or from a legacy format.
Record handlers: These classes handle the details of reading, parsing, or writing a record in a legacy format.
Data cells: These classes handle the details of converting field contents between a legacy data type and a schema language data type.
Figures 6.4, 6.5, and 6.6, respectively, show the inheritance diagrams for these three families of classes. In this chapter we develop the base classes of each family. In Chapters 7, 8, and 9 we develop the derived classes appropriate for ...