SAX Serializer

> it's very great that you've incorporated the SAXSerializer. But you've > overdone it a bit. The setItem() method and the parse() methods are > required. I've written a JUnit-Test to demonstrate the application of the > SAXSerializer with JAXB.

> In line 49 there should be the method setItem, which you have removed. The > JAXB unmarshaller is going to invoke parse(String) which now throws an > exception with an 'unimplemented' note. > > So please re-enable the parse()-methods and re-introduce the > setItem()-method. > > package basex.test.sax; > > import java.io.File; > > import javax.xml.bind.JAXBContext; > import javax.xml.transform.Source; > import javax.xml.transform.sax.SAXSource; > > import junit.framework.Assert; > > import org.basex.core.Context; > import org.basex.core.cmd.CreateDB; > import org.basex.io.serial.SAXSerializer; > import org.basex.io.serial.Serializer; > import org.basex.query.QueryProcessor; > import org.basex.query.value.item.Item; > import org.junit.Test; > > public class SAXSerializerTest > { > @Test > public void unmarshallJAXBObjectWithSAXSerializer() throws Exception > { > File temp = getTemp(); > JAXBContext jaxbContext = > JAXBContext.newInstance(DomainObject.class); > > // create XML > File input = new File(temp, "input.xml"); > jaxbContext.createMarshaller().marshal(new > DomainObject("Object1", 42), input); > > // create DB > System.setProperty("org.basex.path", > temp.getAbsolutePath()); > Context context = new Context(); > new CreateDB("test1", > input.getAbsolutePath()).execute(context); > > // get object from DB > QueryProcessor queryProcessor = new > QueryProcessor("//domain-object[@name='Object1']", context); > Item item1 = queryProcessor.iter().next(); > > // write out to see that item is here > Serializer serializer1 = > queryProcessor.getSerializer(System.out); > serializer1.serialize(item1); > serializer1.close(); > > SAXSerializer saxSerializer = new SAXSerializer(); > SAXSource saxSource = new SAXSource(saxSerializer, null); > > // this is needed!!! > saxSerializer.setItem(item1); > DomainObject domainObject1 = > jaxbContext.createUnmarshaller().unmarshal(saxSource, > DomainObject.class).getValue(); > > queryProcessor.close(); > > Assert.assertEquals(42, domainObject1.getValue()); > } > > private File getTemp() > { > File temp = new File("d:/temp/basex"); > //System.getProperty("java.io.tmpdir"); > temp.mkdirs(); > return temp; > } > } > > The code is attached to this mail. > > > _______________________________________________ > BaseX-Talk mailing list > BaseX-Talk at mailman.uni-konstanz.de > https://mailman.uni-konstanz.de/mailman/listinfo/basex-talk >

On Wed, Feb 6, 2013 at 1:46 PM, <Michael.Hedenus-EXT at continental-corporation.com> wrote: > Dear Christian, > > thanx! That's fine for me. I wondered how expensive it might be to > instantiate a Serializer. > > One problem remains: In SAXSerializer line 253 the initializiation of Attr > is missing. This leads to NPE. Fix: > > private Atts decls = new Atts(); > > If there are more problems I'll be happy to report them to you :D > > > Mit freundlichen Grüßen/Best regards > Dr. Michael Hedenus > Software Developer > Powertrain Engine Systems CSW ETV RGB T2 > PIXEL GmbH > Im Gewerbepark C15, 93059 Regensburg, Germany > > Telefon/Phone: +49 941 790-6362 > Telefax: +49 941 79013-90771 > E-Mail: michael.hedenus-ext at continental-corporation.com > www.continental-corporation.com > ______________________________________________________________________ > Continental Automotive GmbH, Siemensstr. 12, 93055 Regensburg, Germany > Geschäftsführer/Managing Directors: Helmut Matschi, Gérard Cordonnier, > Harald Stuhlmann > Sitz der Gesellschaft/Registered office: Hannover > Registergericht/Commercial registry: Hannover, HRB 59424, USt-Id. Nr. > DE814950663 > _______________________________________________________________________ > Proprietary and confidential. Distribution only by express authority of > Continental AG or its > subsidiaries. > > _______________________________________________ > BaseX-Talk mailing list > BaseX-Talk at mailman.uni-konstanz.de > https://mailman.uni-konstanz.de/mailman/listinfo/basex-talk >