XML Development with Java™ 2

DOM Core Level I

The DOM is broken into two parts. The first is the DOM Core Level I. As the name implies, the DOM Core Level I is a core or basic set of interfaces and objects that are required to provide a complete platform upon which other features can be added or layered. Only those features needed to manipulate XML documents at their most basic level are required. Support for additional functionality, such as Cascading Style Sheets (CSS) and events, is not part of the DOM Core.

Documents, Elements, and Nodes

The DOM Core Level I covers three main areas—Documents, Elements, and Nodes. Each of these three interfaces represents objects at a different level in the XML hierarchy. Figure 3.1 shows graphically the parent/child relationship between ...