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Class StAXSource

java.lang.Object
- javax.xml.transform.stax.StAXSource

All Implemented Interfaces:: Source

public class StAXSource
extends Object
implements Source

Acts as a holder for an XML Source in the form of a StAX reader,i.e. XMLStreamReader or XMLEventReader. StAXSource can be used in all cases that accept a Source, e.g. Transformer, Validator which accept Source as input.

StAXSources are consumed during processing and are not reusable.

Since:: 1.6
See Also:: JSR 173: Streaming API for XML, XMLStreamReader, XMLEventReader

Fields

FEATURE

public static final String FEATURE

If TransformerFactory.getFeature(String name) returns true when passed this value as an argument, the Transformer supports Source input of this type.

Constructors

StAXSource

public StAXSource(XMLEventReader xmlEventReader)
           throws XMLStreamException

Creates a new instance of a StAXSource by supplying an XMLEventReader.

XMLEventReader must be a non-null reference.

XMLEventReader must be in XMLStreamConstants.START_DOCUMENT or XMLStreamConstants.START_ELEMENT state.

Parameters:: xmlEventReader - XMLEventReader used to create this StAXSource.
Throws:: XMLStreamException - If xmlEventReader access throws an Exception.; IllegalArgumentException - If xmlEventReader == null.; IllegalStateException - If xmlEventReader is not in XMLStreamConstants.START_DOCUMENT or XMLStreamConstants.START_ELEMENT state.

StAXSource

public StAXSource(XMLStreamReader xmlStreamReader)

Creates a new instance of a StAXSource by supplying an XMLStreamReader.

XMLStreamReader must be a non-null reference.

XMLStreamReader must be in XMLStreamConstants.START_DOCUMENT or XMLStreamConstants.START_ELEMENT state.

Parameters:: xmlStreamReader - XMLStreamReader used to create this StAXSource.
Throws:: IllegalArgumentException - If xmlStreamReader == null.; IllegalStateException - If xmlStreamReader is not in XMLStreamConstants.START_DOCUMENT or XMLStreamConstants.START_ELEMENT state.

Methods

getXMLEventReader

public XMLEventReader getXMLEventReader()

Get the XMLEventReader used by this StAXSource.

XMLEventReader will be null. if this StAXSource was created with a XMLStreamReader.

Returns:: XMLEventReader used by this StAXSource.

getXMLStreamReader

public XMLStreamReader getXMLStreamReader()

Get the XMLStreamReader used by this StAXSource.

XMLStreamReader will be null if this StAXSource was created with a XMLEventReader.

Returns:: XMLStreamReader used by this StAXSource.

setSystemId

public void setSystemId(String systemId)

In the context of a StAXSource, it is not appropriate to explicitly set the system identifier. The XMLStreamReader or XMLEventReader used to construct this StAXSource determines the system identifier of the XML source.

An UnsupportedOperationException is always thrown by this method.

Specified by:: setSystemId in interface Source
Parameters:: systemId - Ignored.
Throws:: UnsupportedOperationException - Is always thrown by this method.

getSystemId

public String getSystemId()

Get the system identifier used by this StAXSource.

The XMLStreamReader or XMLEventReader used to construct this StAXSource is queried to determine the system identifier of the XML source.

The system identifier may be null or an empty "" String.

Specified by:: getSystemId in interface Source
Returns:: System identifier used by this StAXSource.

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