Building a compiler for the SAX ContentHandler

Description:This month Benoît Marchal launches a second Working XML project. The new project, called HC (short for Handler Compiler), will take some drudgery out of event-based XML parsing by automatically generating the SAX ContentHandler for a list of XPaths. This installment of the column describes the requirements for the Java project and analyzes its overall design, from the ContentHandler to transition diagrams.