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import java.io.*;
import javax.xml.bind.*;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import static javax.xml.XMLConstants.W3C_XML_SCHEMA_NS_URI;
import org.xml.sax.SAXException;
// import java content classes generated by binding compiler
import primer.myPo.*;
/*
* $Id: Main.java,v 1.1 2007-12-05 00:49:48 kohsuke Exp $
*/
public class Main {
// This sample application demonstrates how to modify a java content
// tree and marshal it back to a xml data. This example demonstrates
// customiation within the schema file, po.xsd, and the impact that these
// customizations have on the schema derived Java representation.
/*
XML --> Unmarshal -->Serialize
| |
?= |
| v
XML <-- Marshal <--Deserialize
*/
public static void main( String[] args ) {
final String INPUT_XML_FILE="poInput.xml";
final String SERIALIZE_FILE="po.ser";
final String DESERIALIZED_XML="poMarshalled.xml";
SchemaFactory sf = SchemaFactory.newInstance(W3C_XML_SCHEMA_NS_URI);
try {
Schema schema = sf.newSchema(new File("po.xsd"));
JAXBContext jc = JAXBContext.newInstance("primer.myPo");
Unmarshaller unmarshaller = jc.createUnmarshaller();
unmarshaller.setSchema(schema);
Marshaller marshaller = jc.createMarshaller();
marshaller.setSchema(schema);
marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT ,
new Boolean(true));
System.out.println( "unmarshalling from \"" + INPUT_XML_FILE + "\"..." );
Object po = unmarshaller.unmarshal(new File(INPUT_XML_FILE));
PurchaseOrderType pot = (PurchaseOrderType)((JAXBElement)po).getValue();
System.out.println("Demo superclass override of toString() method for all schema-derived JAXB classes purchaseOrderType.toString()=" + pot.toString());
System.out.println( "serializing content tree to \"" + SERIALIZE_FILE + "\"..." );
FileOutputStream out = new FileOutputStream(SERIALIZE_FILE);
ObjectOutputStream objOut = new ObjectOutputStream(out);
objOut.writeObject(po);
objOut.flush();
out.close();
System.out.println( "deserializing content tree from \"" + SERIALIZE_FILE + "\"..." );
FileInputStream in = new FileInputStream(SERIALIZE_FILE);
ObjectInputStream objIn = new ObjectInputStream(in);
po=objIn.readObject();
System.out.println( "marshalling to \"" + DESERIALIZED_XML + "\"..." );
FileOutputStream mout =
new FileOutputStream(DESERIALIZED_XML);
marshaller.marshal(po, mout);
in.close();
mout.close();
System.out.println( "test complete." );
} catch( JAXBException je ) {
je.printStackTrace();
} catch( SAXException se ) {
se.printStackTrace();
} catch( IOException ioe ) {
ioe.printStackTrace();
} catch ( ClassNotFoundException cnfe) {
cnfe.printStackTrace();
}
}
}