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StAX2SAXAdapter
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org.apache.tuscany.sca.databinding.xml</FONT>
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Class StAX2SAXAdapter</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.tuscany.sca.databinding.xml.StAX2SAXAdapter</B>
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<DT><PRE>public class <B>StAX2SAXAdapter</B><DT>extends java.lang.Object</DL>
</PRE>
<P>
Adapter that converts from StAX to SAX event streams. Currently the following
SAX events are not generated:
<ul>
<li>ignorableWhitespace</li>
<li>skippedEntity</li>
<ul>
Also the following StAX events are not mapped:
<ul>
<li>CDATA</li>
<li>COMMENT</li>
<li>DTD</li>
<li>ENTITY_DECLARATION</li>
<li>ENTITY_REFERENCE</li>
<li>NOTATION_DECLARATION</li>
<li>SPACE</li>
</ul>
StAX ATTRIBUTE events are ignored but the equivalent attributes (derived from
the START_ELEMENT event) are supplied in the SAX startElement event's
Attributes parameter. If the adaptor is configured to pass namespace prefixes
then namespace information will also be included in the Attributes; StAX
NAMESPACE events are ignored. <p/> Another issue is namespace processing. If
the reader is positioned at a sub-node, we cannot capture all the in-scope
namespace bindings. Therefore we cannot re-create a proper SAX event stream
from a StAX parser. <p/> For example <p/> <a:root xmlns:a="foo"
xmlns:b="bar"><b:sub>a:foo</b:sub></a:root> <p/> And if
you are handed a parser at <b:sub>, then your SAX events should look
like: <p/> <b:sub xmlns:a="foo" xmlns:b="bar">a:foo</b:sub> <p/>
not: <p/> <b:sub>a:foo</b:sub> <p/> <p/> Proposal: we change the
receiver of SAX events (SDOXMLResourceImpl) so that it uses NamespaceContext
to resolve prefix (as opposed to record start/endPrefixMappings and use it
for resolution.)
<P>
<P>
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<TD><CODE><B><A HREF="../../../../../../org/apache/tuscany/sca/databinding/xml/StAX2SAXAdapter.html#StAX2SAXAdapter(boolean)">StAX2SAXAdapter</A></B>(boolean namespacePrefixes)</CODE>
<BR>
Construct a new StAX to SAX adapter that will convert a StAX event stream
into a SAX event stream.</TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/tuscany/sca/databinding/xml/StAX2SAXAdapter.html#parse(javax.xml.stream.XMLStreamReader, org.xml.sax.ContentHandler)">parse</A></B>(javax.xml.stream.XMLStreamReader reader,
org.xml.sax.ContentHandler handler)</CODE>
<BR>
Pull events from the StAX stream and dispatch to the SAX ContentHandler.</TD>
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<A NAME="StAX2SAXAdapter(boolean)"><!-- --></A><H3>
StAX2SAXAdapter</H3>
<PRE>
public <B>StAX2SAXAdapter</B>(boolean namespacePrefixes)</PRE>
<DL>
<DD>Construct a new StAX to SAX adapter that will convert a StAX event stream
into a SAX event stream.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>namespacePrefixes</CODE> - whether xmlns attributes should be included in
startElement events;</DL>
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<A NAME="parse(javax.xml.stream.XMLStreamReader, org.xml.sax.ContentHandler)"><!-- --></A><H3>
parse</H3>
<PRE>
public void <B>parse</B>(javax.xml.stream.XMLStreamReader reader,
org.xml.sax.ContentHandler handler)
throws javax.xml.stream.XMLStreamException,
org.xml.sax.SAXException</PRE>
<DL>
<DD>Pull events from the StAX stream and dispatch to the SAX ContentHandler.
The StAX stream would typically be located on a START_DOCUMENT or
START_ELEMENT event and when this method returns it will be located on
the associated END_DOCUMENT or END_ELEMENT event. Behaviour with other
start events is undefined.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>reader</CODE> - StAX event source to read<DD><CODE>handler</CODE> - SAX ContentHandler for processing events
<DT><B>Throws:</B>
<DD><CODE>javax.xml.stream.XMLStreamException</CODE> - if there was a problem reading the stream
<DD><CODE>org.xml.sax.SAXException</CODE> - passed through from the ContentHandler</DL>
</DD>
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