package org.uengine.components.serializers;
import org.uengine.kernel.GlobalContext;
import org.uengine.kernel.Serializer;
import java.io.*;
import org.apache.axis.encoding.*;
import org.apache.axis.description.TypeDesc;
import org.apache.axis.*;
import org.xml.sax.*;
import javax.xml.parsers.*;
import javax.xml.namespace.*;
import java.util.Hashtable;
import org.xml.sax.helpers.DefaultHandler;
/**
* @author Jinyoung Jang
*/
public class CastorSerializer implements org.uengine.kernel.Serializer{
public boolean isSerializable(Class srcCls){
try{
return (srcCls.getMethod("getTypeDesc", new Class[]{}) != null);
}catch(Exception e){
return false;
}
}
public void serialize(Object sourceObj, OutputStream os, Hashtable extendedContext) throws Exception{
try{
final ClassLoader urlClassLoader = GlobalContext.getComponentClassLoader();
/* this will replace the default system class loader with the new custom classloader, so that XMLEncoder will use the new custom classloader to lookup a class */
Thread.currentThread().setContextClassLoader(urlClassLoader);
} catch (Exception e) {
System.out.println("can't replace classloader");
}
try{
TypeDesc desc = (TypeDesc)sourceObj.getClass().getMethod("getTypeDesc", new Class[]{}).invoke(sourceObj, new Object[]{});
QName xmlType = desc.getXmlType();
//
//xmlType = (QName)extendedContext.get("qName");
//
xmlType = new QName("http://" + sourceObj.getClass().getName(), org.uengine.util.UEngineUtil.getClassNameOnly(sourceObj.getClass()) );
// xmlType = new QName(Constants.URI_SOAP11_ENV, Constants.ELEM_ENVELOPE );
org.apache.axis.encoding.Serializer ser =
(org.apache.axis.encoding.Serializer)
sourceObj.getClass().getMethod("getSerializer", new Class[]{String.class, Class.class, QName.class})
.invoke(sourceObj, new Object[]{"", sourceObj.getClass(), xmlType});
//Writer w = new OutputStreamWriter(os);
StringWriter w = new StringWriter();
SerializationContext context = new SerializationContextImpl(w){
public MessageContext getMessageContext(){
return new MessageContext(null){
public String getEncodingStyle(){
return "";
}
};
}
};
ser.serialize(xmlType, (org.xml.sax.Attributes)null, sourceObj, context);
//System.out.println(w);
//w.write("SdfasdfsadfA");
BufferedOutputStream bao = new BufferedOutputStream(os);
bao.write(w.toString().getBytes());
bao.flush();
bao.close();
}catch(Exception e){
e.printStackTrace();
}
}
public Object deserialize(InputStream is, Hashtable extendedContext) throws Exception{
//getting deserializer
Class targetCls = (Class)extendedContext.get("targetClass");
Object objectOfTargetCls = targetCls.newInstance();
TypeDesc desc = (TypeDesc)objectOfTargetCls.getClass().getMethod("getTypeDesc", new Class[]{}).invoke(objectOfTargetCls, new Object[]{});
final QName xmlType;// = desc.getXmlType();
xmlType = new QName("http://" + objectOfTargetCls.getClass().getName(), org.uengine.util.UEngineUtil.getClassNameOnly(objectOfTargetCls.getClass()) );
Deserializer dser =
(Deserializer)objectOfTargetCls.getClass().getMethod("getDeserializer", new Class[]{String.class, Class.class, QName.class})
.invoke(objectOfTargetCls, new Object[]{"", objectOfTargetCls.getClass(), xmlType});
//end
/* DeserializationContext context = new DeserializationContextImpl(
new org.xml.sax.InputSource(is),
new MessageContext(null){
public String getEncodingStyle(){
return xmlType.getNamespaceURI();
}
},
//Message.RESPONSE
"PurchaseOrder"
);
context.parse();
boolean oldVal = context.isDoneParsing();
((DeserializationContextImpl)context).deserializing(true);
context.pushElementHandler(new EnvelopeHandler((SOAPHandler)dser));
context.getRecorder().replay(0, -1, (org.xml.sax.ContentHandler)context);
((DeserializationContextImpl)context).deserializing(oldVal);
return dser.getValue();
*/
SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setValidating(false);
try {
// Set up output stream
//out = new OutputStreamWriter (System.out, "UTF8");
System.out.println("deser = " + dser);
// Parse the input
SAXParser saxParser = factory.newSAXParser();
saxParser.parse( is, (DefaultHandler)dser );
} catch (SAXParseException spe) {
// Error generated by the parser
System.out.println ("\n** Parsing error"
+ ", line " + spe.getLineNumber ()
+ ", uri " + spe.getSystemId ());
System.out.println(" " + spe.getMessage() );
// Use the contained exception, if any
Exception x = spe;
if (spe.getException() != null)
x = spe.getException();
x.printStackTrace();
} catch (SAXException sxe) {
// Error generated by this application
// (or a parser-initialization error)
Exception x = sxe;
if (sxe.getException() != null)
x = sxe.getException();
x.printStackTrace();
} catch (ParserConfigurationException pce) {
// Parser with specified options can't be built
pce.printStackTrace();
} catch (IOException ioe) {
// I/O error
ioe.printStackTrace();
}
return dser.getValue();
}
}