Java Reference
In-Depth Information
break;
}
System.err.println(e.getMessage());
}
Of course, you can also output the stack trace, return from the method, or even end the program here if you
want.
Adding to a Document
The
org.w3c.Document
interface declares methods for adding nodes to a
Document
object. You can create
nodes encapsulating elements, attributes, text, entity references, comments,
CDATA
sections, and processing
instructions, so you can assemble a
Document
object representing a complete XML document. The methods
declared by the
Document
interface are the following:
•
Element createElement(String name)
: Returns a reference to an object encapsulating an
element with
name
as the tag name. The method throws a
DOMException
with
INVALID_CHARACTER_ERR
set if
name
contains an invalid character.
•
Element createElementNS(String nsURI, String qualifiedName)
: Returns a reference
to an object encapsulating an element with
qualifiedName
as the tag name in the namespace
nsURI
. The method throws a
DOMException
with
INVALID_CHARACTER_ERR
set if
qualifiedName
•
Attr createAttribute(String name)
: Returns a reference to an
Attr
object with
name
as the attribute name and its value as
""
. The method throws a
DOMException
with
INVALID_CHARACTER_ERR
set if
name
contains an invalid character.
•
Attr createAttribute(String nsURI, String qualifiedName)
: Returns a reference to an
Attr
object with
qualifiedName
as the attribute name in the namespace
nsURI
and its value as
""
. The method throws a
DOMException
with
INVALID_CHARACTER_ERR
set if the name contains
an invalid character or
NAMESPACE_ERR
if the name conflicts with the namespace.
•
Text createTextNode(String text)
: Returns a reference to a node containing the string
text
.
•
Comment createComment(String comment)
: Returns a reference to a node containing the string
comment
.
•
CDATASection createCDATASection(String data)
: Returns a reference to a node with the
value
data
. Throws a
DOMException
if you try to create this node when the
Document
object en-
capsulates an HTML document.
•
EntityReference createEntityReference(String name)
:Returns a reference to an node
with the name specified. Throws a
DOMException
with the code
INVALID_CHARACTER_ERR
if
name
contains invalid characters and
NOT_SUPPORTED_ERR
if the
Document
object is an HTML docu-
ment.
•
ProcessingInstruction createProcessingInstruction(String target,String
name)
:Returns a reference to a node with the specified name and target. Throws a
DOMException
with the code
INVALID_CHARACTER_ERR
if
target
contains illegal characters and
NOT_SUPPORTED_ERR
if the
Document
object is an HTML document.
•
DocumentFragment createDocumentFragment()
: Creates an empty object. You can insert a
DocumentFragment
object into a
Document
object using methods that the
Document
and
Docu-
