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JAXB (JSR 222) Reference Implementation
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package com.sun.xml.bind.v2.runtime.property;
import java.io.IOException;
import javax.xml.bind.JAXBException;
import javax.xml.bind.annotation.DomHandler;
import javax.xml.stream.XMLStreamException;
import com.sun.xml.bind.v2.ClassFactory;
import com.sun.xml.bind.v2.model.core.PropertyKind;
import com.sun.xml.bind.v2.model.core.WildcardMode;
import com.sun.xml.bind.v2.model.runtime.RuntimeElement;
import com.sun.xml.bind.v2.model.runtime.RuntimeReferencePropertyInfo;
import com.sun.xml.bind.v2.runtime.JAXBContextImpl;
import com.sun.xml.bind.v2.runtime.JaxBeanInfo;
import com.sun.xml.bind.v2.runtime.XMLSerializer;
import com.sun.xml.bind.v2.runtime.reflect.Accessor;
import com.sun.xml.bind.v2.runtime.reflect.ListIterator;
import com.sun.xml.bind.v2.runtime.unmarshaller.ChildLoader;
import com.sun.xml.bind.v2.runtime.unmarshaller.Loader;
import com.sun.xml.bind.v2.runtime.unmarshaller.Receiver;
import com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext;
import com.sun.xml.bind.v2.runtime.unmarshaller.WildcardLoader;
import com.sun.xml.bind.v2.util.QNameMap;
import org.xml.sax.SAXException;
/**
* @author Kohsuke Kawaguchi
*/
class ArrayReferenceNodeProperty extends ArrayERProperty {
/**
* Expected element names and what class to unmarshal.
*/
private final QNameMap expectedElements = new QNameMap();
private final boolean isMixed;
private final DomHandler domHandler;
private final WildcardMode wcMode;
public ArrayReferenceNodeProperty(JAXBContextImpl p, RuntimeReferencePropertyInfo prop) {
super(p, prop, prop.getXmlName(), prop.isCollectionNillable());
for (RuntimeElement e : prop.getElements()) {
JaxBeanInfo bi = p.getOrCreate(e);
expectedElements.put( e.getElementName().getNamespaceURI(),e.getElementName().getLocalPart(), bi );
}
isMixed = prop.isMixed();
if(prop.getWildcard()!=null) {
domHandler = (DomHandler) ClassFactory.create(prop.getDOMHandler());
wcMode = prop.getWildcard();
} else {
domHandler = null;
wcMode = null;
}
}
protected final void serializeListBody(BeanT o, XMLSerializer w, ListT list) throws IOException, XMLStreamException, SAXException {
ListIterator itr = lister.iterator(list, w);
while(itr.hasNext()) {
try {
ItemT item = itr.next();
if (item != null) {
if(isMixed && item.getClass()==String.class) {
w.text((String)item,null);
} else {
JaxBeanInfo bi = w.grammar.getBeanInfo(item,true);
if(bi.jaxbType==Object.class && domHandler!=null)
// even if 'v' is a DOM node, it always derive from Object,
// so the getBeanInfo returns BeanInfo for Object
w.writeDom(item,domHandler,o,fieldName);
else
bi.serializeRoot(item,w);
}
}
} catch (JAXBException e) {
w.reportError(fieldName,e);
// recover by ignoring this item
}
}
}
public void createBodyUnmarshaller(UnmarshallerChain chain, QNameMap loaders) {
final int offset = chain.allocateOffset();
Receiver recv = new ReceiverImpl(offset);
for( QNameMap.Entry n : expectedElements.entrySet() ) {
final JaxBeanInfo beanInfo = n.getValue();
loaders.put(n.nsUri,n.localName,new ChildLoader(beanInfo.getLoader(chain.context,true),recv));
}
if(isMixed) {
// handler for processing mixed contents.
loaders.put(TEXT_HANDLER,
new ChildLoader(new MixedTextLoader(recv),null));
}
if(domHandler!=null) {
loaders.put(CATCH_ALL,
new ChildLoader(new WildcardLoader(domHandler,wcMode),recv));
}
}
private static final class MixedTextLoader extends Loader {
private final Receiver recv;
public MixedTextLoader(Receiver recv) {
super(true);
this.recv = recv;
}
public void text(UnmarshallingContext.State state, CharSequence text) throws SAXException {
if(text.length()!=0) // length 0 text is pointless
recv.receive(state,text.toString());
}
}
public PropertyKind getKind() {
return PropertyKind.REFERENCE;
}
@Override
public Accessor getElementPropertyAccessor(String nsUri, String localName) {
// TODO: unwrap JAXBElement
if(wrapperTagName!=null) {
if(wrapperTagName.equals(nsUri,localName))
return acc;
} else {
if(expectedElements.containsKey(nsUri,localName))
return acc;
}
return null;
}
}