This interface represents the
Document Type Declaration, or DTD
of a document. Because the DTD is not part of the document itself, a
DocumentType object is not part of DOM document
tree, even though it extends the Node interface.
If a Document has a DTD, then you may obtain the
DocumentType object that represents it by calling
the getdoctype( ) method of the
Document object.getName( ), getPublicId( ),
getSystemId( ), and getInternalSubset(
) all return strings (or null) that
contain the name, public identifier, system identifier, and internal
subset of the document type. getEntities( )
returns a read-only NamedNodeMap that represents
the a name-to-value mapping for all internal and external general
entities declared by the DTD. You can use this
NamedNodeMap to lookup an
Entity object by name. Similarly,
getNotations( ) returns a read-only
NamedNodeMap that allows you to look up a
Notation object declared in the DTD by name.DocumentType does not provide access to the bulk
of a DTD, which usually consists of element and attribute
delcarations. Future versions of the DOM API may provide more
details.
Figure 21-7. org.w3c.dom.DocumentType
 public interface DocumentType extends Node {
// Public Instance Methods
NamedNodeMap getEntities ( );
String getInternalSubset ( );
String getName ( );
NamedNodeMap getNotations ( );
String getPublicId ( );
String getSystemId ( );
}
Passed To
DOMImplementation.createDocument( )Returned By
Document.getDoctype( ),
DOMImplementation.createDocumentType( ) |
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