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package com.sun.xml.bind.v2.runtime.property;
import java.io.IOException;
import javax.xml.stream.XMLStreamException;
import com.sun.xml.bind.api.AccessorException;
import com.sun.xml.bind.v2.model.core.PropertyKind;
import com.sun.xml.bind.v2.model.runtime.RuntimeElementPropertyInfo;
import com.sun.xml.bind.v2.model.runtime.RuntimeTypeRef;
import com.sun.xml.bind.v2.runtime.JAXBContextImpl;
import com.sun.xml.bind.v2.runtime.Name;
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.TransducedAccessor;
import com.sun.xml.bind.v2.runtime.unmarshaller.ChildLoader;
import com.sun.xml.bind.v2.runtime.unmarshaller.DefaultValueLoaderDecorator;
import com.sun.xml.bind.v2.runtime.unmarshaller.LeafPropertyLoader;
import com.sun.xml.bind.v2.runtime.unmarshaller.Loader;
import com.sun.xml.bind.v2.runtime.unmarshaller.XsiNilLoader;
import com.sun.xml.bind.v2.util.QNameMap;
import org.xml.sax.SAXException;
/**
* {@link Property} that contains a leaf value.
*
* @author Kohsuke Kawaguchi (kk@kohsuke.org)
*/
final class SingleElementLeafProperty<BeanT> extends PropertyImpl<BeanT> {
private final Name tagName;
private final boolean nillable;
private final Accessor acc;
private final String defaultValue;
private final TransducedAccessor<BeanT> xacc;
public SingleElementLeafProperty(JAXBContextImpl context, RuntimeElementPropertyInfo prop) {
super(context,prop);
RuntimeTypeRef ref = prop.getTypes().get(0);
tagName = context.nameBuilder.createElementName(ref.getTagName());
assert tagName!=null;
nillable = ref.isNillable();
defaultValue = ref.getDefaultValue();
this.acc = prop.getAccessor().optimize(context);
xacc = TransducedAccessor.get(context,ref);
assert xacc!=null;
}
public void reset(BeanT o) throws AccessorException {
acc.set(o,null);
}
public String getIdValue(BeanT bean) throws AccessorException, SAXException {
return xacc.print(bean).toString();
}
public void serializeBody(BeanT o, XMLSerializer w, Object outerPeer) throws SAXException, AccessorException, IOException, XMLStreamException {
boolean hasValue = xacc.hasValue(o);
if(hasValue) {
xacc.writeLeafElement(w, tagName, o, fieldName);
} else
if(nillable) {
w.startElement(tagName,null);
w.writeXsiNilTrue();
w.endElement();
}
}
public void buildChildElementUnmarshallers(UnmarshallerChain chain, QNameMap<ChildLoader> handlers) {
Loader l = new LeafPropertyLoader(xacc);
if(defaultValue!=null)
l = new DefaultValueLoaderDecorator(l,defaultValue);
if(nillable || chain.context.allNillable)
l = new XsiNilLoader.Single(l,acc);
handlers.put(tagName,new ChildLoader(l,null));
}
public PropertyKind getKind() {
return PropertyKind.ELEMENT;
}
@Override
public Accessor getElementPropertyAccessor(String nsUri, String localName) {
if(tagName.equals(nsUri,localName))
return acc;
else
return null;
}
}