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public interface LSSerializerFilter
LSSerializerFilter
s provide applications the ability to
examine nodes as they are being serialized and decide what nodes should
be serialized or not. The LSSerializerFilter
interface is
based on the NodeFilter
interface defined in [DOM Level 2 Traversal and Range]
.
Document
, DocumentType
,
DocumentFragment
, Notation
, Entity
, and children of Attr
nodes are not passed to the filter.
The child nodes of an EntityReference
node are only passed
to the filter if the EntityReference
node is skipped by the
method LSParserFilter.acceptNode()
.
When serializing an Element
, the element is passed to the
filter before any of its attributes are passed to the filter. Namespace
declaration attributes, and default attributes (except in the case when "
discard-default-content" is set to false
), are never passed
to the filter.
The result of any attempt to modify a node passed to a
LSSerializerFilter
is implementation dependent.
DOM applications must not raise exceptions in a filter. The effect of throwing exceptions from a filter is DOM implementation dependent.
For efficiency, a node passed to the filter may not be the same as the one that is actually in the tree. And the actual node (node object identity) may be reused during the process of filtering and serializing a document.
See also the Document Object Model (DOM) Level 3 Load and Save Specification.
Field Summary |
---|
Fields inherited from interface org.w3c.dom.traversal.NodeFilter |
---|
FILTER_ACCEPT, FILTER_REJECT, FILTER_SKIP, SHOW_ALL, SHOW_ATTRIBUTE, SHOW_CDATA_SECTION, SHOW_COMMENT, SHOW_DOCUMENT, SHOW_DOCUMENT_FRAGMENT, SHOW_DOCUMENT_TYPE, SHOW_ELEMENT, SHOW_ENTITY, SHOW_ENTITY_REFERENCE, SHOW_NOTATION, SHOW_PROCESSING_INSTRUCTION, SHOW_TEXT |
Method Summary | |
---|---|
int |
getWhatToShow()
Tells the LSSerializer what types of nodes to show to the
filter. |
Methods inherited from interface org.w3c.dom.traversal.NodeFilter |
---|
acceptNode |
Method Detail |
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int getWhatToShow()
LSSerializer
what types of nodes to show to the
filter. If a node is not shown to the filter using this attribute, it
is automatically serialized. See NodeFilter
for
definition of the constants. The constants SHOW_DOCUMENT
, SHOW_DOCUMENT_TYPE
, SHOW_DOCUMENT_FRAGMENT
, SHOW_NOTATION
, and SHOW_ENTITY
are
meaningless here, such nodes will never be passed to a
LSSerializerFilter
.
SHOW_ATTRIBUTE
constant indicates that the
Attr
nodes are shown and passed to the filter.
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