HTML and JEditorPane
As we discussed in Chapter
19, Swing provides (somewhat spotty) support for working with the
Web’s most common markup language, HTML. Fortunately, as Swing matures,
the HTML support in the JEditorPane
class improves.
The support for reading, writing, and displaying HTML through the
JEditorPane class is provided by the HTMLEditorKit and associated classes. This
class is an extension of the generic DefaultEditorKit class and is devoted (not
surprisingly) to HTML files. You might recall from the previous
discussion of EditorKit that there
are three basic parts of an editor kit: its parser, its file writer, and
its association with a ViewFactory.
While we have looked briefly at these pieces before, here we focus on
their implementation in HTMLEditorKit.
Along the way, we’ll see how to extend some of these pieces to do
custom work in the context of an HTML document. We decided that a
detailed discussion of the classes that extend the editor kit would not
be interesting to a majority of our readers, so we concentrate on the
more immediately useful classes. However, if you want to see the details
and play with the internals of the HTMLEditorKit, we have two entire chapters
devoted to this topic on the book’s web site (http://www.oreilly.com/catalog/jswing2). Throughout this
discussion, we’ll point you to that material if you want more detail
than we’ve provided here.
Much of the information in those chapters describes how you can extend HTML with custom tags. Adding ...