Package net.sf.saxon.event
Class IDFilter
java.lang.Object
net.sf.saxon.event.SequenceReceiver
net.sf.saxon.event.ProxyReceiver
net.sf.saxon.event.StartTagBuffer
net.sf.saxon.event.IDFilter
- All Implemented Interfaces:
Result
,Receiver
,NamespaceResolver
IDFilter is a ProxyReceiver that extracts the subtree of a document rooted at the
element with a given ID value. Namespace declarations outside this subtree are
treated as if they were present on the identified element.
-
Field Summary
Fields inherited from class net.sf.saxon.event.StartTagBuffer
bufferedAttributes, elementLocationId, elementNameCode, elementProperties, elementTypeCode
Fields inherited from class net.sf.saxon.event.ProxyReceiver
nextReceiver
Fields inherited from class net.sf.saxon.event.SequenceReceiver
pipelineConfiguration, previousAtomic, systemId
Fields inherited from interface javax.xml.transform.Result
PI_DISABLE_OUTPUT_ESCAPING, PI_ENABLE_OUTPUT_ESCAPING
-
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoid
attribute
(int nameCode, int typeCode, CharSequence value, int locationId, int properties) Notify an attribute.void
characters
(CharSequence chars, int locationId, int properties) Character datavoid
comment
(CharSequence chars, int locationId, int properties) Output a commentprotected void
void
endElement:void
processingInstruction
(String target, CharSequence data, int locationId, int properties) Processing Instructionvoid
startContent: Test if a matching ID attribute was found; if so, start outputting.void
startElement
(int nameCode, int typeCode, int locationId, int properties) startElementMethods inherited from class net.sf.saxon.event.StartTagBuffer
declareAllNamespaces, getAttribute, getElementNameCode, getURICode, getURIForPrefix, hasAttributes, iteratePrefixes, namespace, setPipelineConfiguration, undeclareNamespacesForElement
Methods inherited from class net.sf.saxon.event.ProxyReceiver
close, endDocument, getConfiguration, getDocumentLocator, getNamePool, getUnderlyingReceiver, open, setSystemId, setUnderlyingReceiver, setUnparsedEntity, startDocument
Methods inherited from class net.sf.saxon.event.SequenceReceiver
append, getPipelineConfiguration, getSystemId
-
Constructor Details
-
IDFilter
-
-
Method Details
-
startElement
public void startElement(int nameCode, int typeCode, int locationId, int properties) throws XPathException startElement- Specified by:
startElement
in interfaceReceiver
- Overrides:
startElement
in classStartTagBuffer
- Parameters:
nameCode
- integer code identifying the name of the element within the name pool.typeCode
- integer code identifying the element's type within the name pool.locationId
- an integer which can be interpreted using aLocationProvider
to return information such as line number and system ID. If no location information is available, the value zero is supplied.properties
- properties of the element node- Throws:
XPathException
-
attribute
public void attribute(int nameCode, int typeCode, CharSequence value, int locationId, int properties) throws XPathException Notify an attribute. Attributes are notified after the startElement event, and before any children. Namespaces and attributes may be intermingled.- Specified by:
attribute
in interfaceReceiver
- Overrides:
attribute
in classStartTagBuffer
- Parameters:
nameCode
- The name of the attribute, as held in the name pooltypeCode
- The type of the attribute, as held in the name poollocationId
- an integer which can be interpreted using aLocationProvider
to return information such as line number and system ID. If no location information is available, the value zero is supplied.properties
- Bit significant value. The following bits are defined:- DISABLE_ESCAPING
- Disable escaping for this attribute
- NO_SPECIAL_CHARACTERS
- Attribute value contains no special characters
- Throws:
XPathException
-
startContent
startContent: Test if a matching ID attribute was found; if so, start outputting.- Specified by:
startContent
in interfaceReceiver
- Overrides:
startContent
in classStartTagBuffer
- Throws:
XPathException
-
declareNamespacesForStartElement
- Overrides:
declareNamespacesForStartElement
in classStartTagBuffer
- Throws:
XPathException
-
endElement
endElement:- Specified by:
endElement
in interfaceReceiver
- Overrides:
endElement
in classStartTagBuffer
- Throws:
XPathException
-
characters
Character data- Specified by:
characters
in interfaceReceiver
- Overrides:
characters
in classProxyReceiver
- Parameters:
chars
- The characterslocationId
- an integer which can be interpreted using aLocationProvider
to return information such as line number and system ID. If no location information is available, the value zero is supplied.properties
- Bit significant value. The following bits are defined:- DISABLE_ESCAPING
- Disable escaping for this text node
- USE_CDATA
- Output as a CDATA section
- NO_SPECIAL_CHARACTERS
- Value contains no special characters
- WHITESPACE
- Text is all whitespace
- Throws:
XPathException
-
processingInstruction
public void processingInstruction(String target, CharSequence data, int locationId, int properties) throws XPathException Processing Instruction- Specified by:
processingInstruction
in interfaceReceiver
- Overrides:
processingInstruction
in classProxyReceiver
- Parameters:
target
- The PI name. This must be a legal name (it will not be checked).data
- The data portion of the processing instructionlocationId
- an integer which can be interpreted using aLocationProvider
to return information such as line number and system ID. If no location information is available, the value zero is supplied.properties
- Additional information about the PI. The following bits are defined:- CHECKED
- Data is known to be legal (e.g. doesn't contain "?>")
- Throws:
XPathException
-
comment
Output a comment- Specified by:
comment
in interfaceReceiver
- Overrides:
comment
in classProxyReceiver
- Parameters:
chars
- The content of the commentlocationId
- an integer which can be interpreted using aLocationProvider
to return information such as line number and system ID. If no location information is available, the value zero is supplied.properties
- Additional information about the comment. The following bits are defined:- CHECKED
- Comment is known to be legal (e.g. doesn't contain "--")
- Throws:
XPathException
-