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java.lang.Object net.sf.saxon.event.SequenceReceiver net.sf.saxon.query.SequenceWrapper
public class SequenceWrapper
This class can be used in a push pipeline: it accepts any sequence as input, and generates a document in which the items of the sequence are wrapped by elements containing information about the types of the items in the input sequence.
Field Summary | |
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static String |
RESULT_NS
|
Fields inherited from class net.sf.saxon.event.SequenceReceiver |
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pipelineConfiguration, previousAtomic, systemId |
Fields inherited from interface javax.xml.transform.Result |
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PI_DISABLE_OUTPUT_ESCAPING, PI_ENABLE_OUTPUT_ESCAPING |
Constructor Summary | |
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SequenceWrapper(Receiver destination)
Create a sequence wrapper. |
Method Summary | |
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void |
append(Item item,
int locationId,
int copyNamespaces)
Output an item (atomic value or node) to the sequence |
void |
attribute(NodeName attName,
SimpleType typeCode,
CharSequence value,
int locationId,
int properties)
Notify an attribute. |
void |
characters(CharSequence chars,
int locationId,
int properties)
Character data |
void |
close()
Notify the end of the event stream |
void |
comment(CharSequence chars,
int locationId,
int properties)
Output a comment |
void |
endDocument()
Notify the end of a document node |
void |
endElement()
End of element |
void |
namespace(NamespaceBinding namespaceBinding,
int properties)
Notify a namespace. |
void |
open()
Start the output process |
void |
processingInstruction(String target,
CharSequence data,
int locationId,
int properties)
Processing Instruction |
void |
startContent()
Notify the start of the content, that is, the completion of all attributes and namespaces. |
void |
startDocument(int properties)
Start of a document node. |
void |
startElement(NodeName nameCode,
SchemaType typeCode,
int locationId,
int properties)
Notify the start of an element |
boolean |
usesTypeAnnotations()
Ask whether this Receiver (or the downstream pipeline) makes any use of the type annotations supplied on element and attribute events |
Methods inherited from class net.sf.saxon.event.SequenceReceiver |
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append, getConfiguration, getNamePool, getPipelineConfiguration, getSystemId, setPipelineConfiguration, setSystemId, setUnparsedEntity |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final String RESULT_NS
Constructor Detail |
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public SequenceWrapper(Receiver destination)
destination
- the sequence being wrappedMethod Detail |
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public void open() throws XPathException
SequenceReceiver
open
in interface Receiver
open
in class SequenceReceiver
XPathException
- if an error occurspublic void startDocument(int properties) throws XPathException
properties
- bit-significant integer indicating properties of the document node.
The definitions of the bits are in class ReceiverOptions
XPathException
- if an error occurspublic void endDocument() throws XPathException
XPathException
- if an error occurspublic void startElement(NodeName nameCode, SchemaType typeCode, int locationId, int properties) throws XPathException
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.properties
- properties of the element nodelocationId
- an integer which can be interpreted using a LocationProvider
to return
information such as line number and system ID. If no location information is available,
the value zero is supplied.
XPathException
- if an error occurspublic void endElement() throws XPathException
XPathException
- if an error occurspublic void attribute(NodeName attName, SimpleType typeCode, CharSequence value, int locationId, int properties) throws XPathException
attName
- The name of the attribute, as held in the name pooltypeCode
- The type of the attribute, as held in the name poolproperties
- Bit significant value. The following bits are defined:
value
- the string value of the attributelocationId
- an integer which can be interpreted using a LocationProvider
to return
information such as line number and system ID. If no location information is available,
the value zero is supplied.
IllegalStateException:
- attempt to output an attribute when there is no open element
start tag
XPathException
- if an error occurspublic void namespace(NamespaceBinding namespaceBinding, int properties) throws XPathException
namespaceBinding
- properties
- The most important property is REJECT_DUPLICATES. If this property is set, the
namespace declaration will be rejected if it conflicts with a previous declaration of the same
prefix. If the property is not set, the namespace declaration will be ignored if it conflicts
with a previous declaration. This reflects the fact that when copying a tree, namespaces for child
elements are emitted before the namespaces of their parent element. Unfortunately this conflicts
with the XSLT rule for complex content construction, where the recovery action in the event of
conflicts is to take the namespace that comes last. XSLT therefore doesn't recover from this error:
IllegalStateException:
- attempt to output a namespace when there is no open element
start tag
XPathException
- if an error occurspublic void characters(CharSequence chars, int locationId, int properties) throws XPathException
chars
- The characterslocationId
- an integer which can be interpreted using a LocationProvider
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:
XPathException
- if an error occurspublic void comment(CharSequence chars, int locationId, int properties) throws XPathException
chars
- The content of the commentlocationId
- an integer which can be interpreted using a LocationProvider
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.
XPathException
- if an error occurspublic void processingInstruction(String target, CharSequence data, int locationId, int properties) throws XPathException
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 a LocationProvider
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.
XPathException
- if an error occurspublic void append(Item item, int locationId, int copyNamespaces) throws XPathException
append
in class SequenceReceiver
item
- the item to be appendedlocationId
- the location of the calling instruction, for diagnosticscopyNamespaces
- if the item is an element node, this indicates whether its namespaces
need to be copied. Values are NodeInfo.ALL_NAMESPACES
,
NodeInfo.LOCAL_NAMESPACES
, NodeInfo.NO_NAMESPACES
XPathException
- if the operation failspublic void startContent() throws XPathException
XPathException
- if an error occurspublic void close() throws XPathException
XPathException
- if an error occurspublic boolean usesTypeAnnotations()
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