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java.lang.Object | +--net.sf.saxon.event.ProxyReceiver | +--net.sf.saxon.event.SequenceChecker
This is a receiver that can be inserted into a pipeline to do type checking of the nodes and/or atomic values produced by a content constructor, as they are written. It is used, for example, when xsl:sequence has an "as" attribute to indicate the required type, or to enforce the "as" attribute on xsl:template.
This filter also atomizes any nodes in the sequence if the required item type is atomic.
Field Summary |
Fields inherited from class net.sf.saxon.event.ProxyReceiver |
baseReceiver, namePool, systemId |
Fields inherited from interface javax.xml.transform.Result |
PI_DISABLE_OUTPUT_ESCAPING, PI_ENABLE_OUTPUT_ESCAPING |
Constructor Summary | |
SequenceChecker()
|
Method Summary | |
void |
append(Item item)
Output an item (atomic value or node) to the sequence |
void |
attribute(int nameCode,
int typeCode,
java.lang.CharSequence value,
int properties)
Notify an attribute. |
void |
characters(java.lang.CharSequence chars,
int properties)
Notify character data. |
void |
comment(java.lang.CharSequence chars,
int properties)
Notify a comment. |
void |
endElement()
Notify the end of an element. |
void |
finalCheck()
|
void |
namespace(int namespaceCode,
int properties)
Notify a namespace. |
void |
processingInstruction(java.lang.String target,
java.lang.CharSequence data,
int properties)
Output a processing instruction |
void |
setRequiredType(SequenceType type)
|
void |
startElement(int nameCode,
int typeCode,
int properties)
Notify the start of an element |
Methods inherited from class net.sf.saxon.event.ProxyReceiver |
endDocument, getNamePool, getSystemId, getUnderlyingReceiver, setDocumentLocator, setNamePool, setSystemId, setUnderlyingReceiver, setUnparsedEntity, startContent, startDocument |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface net.sf.saxon.event.Receiver |
endDocument, getNamePool, setDocumentLocator, setNamePool, setSystemId, setUnparsedEntity, startContent, startDocument |
Methods inherited from interface javax.xml.transform.Result |
getSystemId |
Constructor Detail |
public SequenceChecker()
Method Detail |
public void setRequiredType(SequenceType type)
public void startElement(int nameCode, int typeCode, int properties) throws javax.xml.transform.TransformerException
Receiver
startElement
in interface Receiver
startElement
in class ProxyReceiver
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.
javax.xml.transform.TransformerException
public void namespace(int namespaceCode, int properties) throws javax.xml.transform.TransformerException
Receiver
namespace
in interface Receiver
namespace
in class ProxyReceiver
namespaceCode
- an integer: the top half is a prefix code, the bottom half a URI code.
These may be translated into an actual prefix and URI using the name pool. A prefix code of
zero represents the empty prefix (that is, the default namespace). A URI code of zero represents
a URI of "", that is, a namespace undeclaration.
javax.xml.transform.TransformerException
public void attribute(int nameCode, int typeCode, java.lang.CharSequence value, int properties) throws javax.xml.transform.TransformerException
Receiver
attribute
in interface Receiver
attribute
in class ProxyReceiver
nameCode
- 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:
javax.xml.transform.TransformerException
public void endElement() throws javax.xml.transform.TransformerException
Receiver
endElement
in interface Receiver
endElement
in class ProxyReceiver
javax.xml.transform.TransformerException
public void characters(java.lang.CharSequence chars, int properties) throws javax.xml.transform.TransformerException
Receiver
characters
in interface Receiver
characters
in class ProxyReceiver
chars
- The charactersproperties
- Bit significant value. The following bits are defined:
javax.xml.transform.TransformerException
public void processingInstruction(java.lang.String target, java.lang.CharSequence data, int properties) throws javax.xml.transform.TransformerException
Receiver
processingInstruction
in interface Receiver
processingInstruction
in class ProxyReceiver
target
- The PI name. This must be a legal name (it will not be checked).data
- The data portion of the processing instructionproperties
- Additional information about the PI. The following bits are
defined:
javax.xml.transform.TransformerException
public void comment(java.lang.CharSequence chars, int properties) throws javax.xml.transform.TransformerException
Receiver
comment
in interface Receiver
comment
in class ProxyReceiver
chars
- The content of the commentproperties
- Additional information about the comment. The following bits are
defined:
javax.xml.transform.TransformerException
public void append(Item item) throws javax.xml.transform.TransformerException
SequenceReceiver
append
in interface SequenceReceiver
javax.xml.transform.TransformerException
public void finalCheck() throws javax.xml.transform.TransformerException
javax.xml.transform.TransformerException
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