Just Java™ 2

A Program That Uses a DOM Parser

This section walks through a code example that instantiates and uses a DOM parser. The DOM parser is just a utility that takes incoming XML data and creates a data structure for your application program (servlet, or whatever) to do the real work. See Figure 27-3 for the diagram form of this situation.

Figure 27-3. The flow of data from XML to your code

The code we show in this section is the code that is “your application” in Figure 27-3. The JAXP library has code for the other two boxes. The interface is a little more involved than simply having our class call the parser methods. This unexpected slight ...