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package javax.xml.bind;

import org.xml.sax.ContentHandler;

/**
 * Unmarshaller implemented as SAX ContentHandler.
 * 
 * 

* Applications can use this interface to use their JAXB provider as a component * in an XML pipeline. For example: * *

 *       JAXBContext context = JAXBContext.newInstance( "org.acme.foo" );
 *
 *       Unmarshaller unmarshaller = context.createUnmarshaller();
 * 
 *       UnmarshallerHandler unmarshallerHandler = unmarshaller.getUnmarshallerHandler();
 *
 *       SAXParserFactory spf = SAXParserFactory.newInstance();
 *       spf.setNamespaceAware( true );
 * 
 *       XMLReader xmlReader = spf.newSAXParser().getXMLReader();
 *       xmlReader.setContentHandler( unmarshallerHandler );
 *       xmlReader.parse(new InputSource( new FileInputStream( XML_FILE ) ) );
 *
 *       MyObject myObject= (MyObject)unmarshallerHandler.getResult();                          
 * 
* *

* This interface is reusable: even if the user fails to unmarshal * an object, s/he can still start a new round of unmarshalling. * * @author

  • Kohsuke KAWAGUCHI, Sun Microsystems, Inc.
* @see Unmarshaller#getUnmarshallerHandler() * @since 1.6, JAXB 1.0 */ public interface UnmarshallerHandler extends ContentHandler { /** * Obtains the unmarshalled result. * * This method can be called only after this handler * receives the endDocument SAX event. * * @exception IllegalStateException * if this method is called before this handler * receives the endDocument event. * * @exception JAXBException * if there is any unmarshalling error. * Note that the implementation is allowed to throw SAXException * during the parsing when it finds an error. * * @return * always return a non-null valid object which was unmarshalled. */ Object getResult() throws JAXBException, IllegalStateException; }




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