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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.util.QNameMap;
import com.sun.xml.bind.v2.model.core.ElementPropertyInfo;
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.Transducer;
import com.sun.xml.bind.v2.runtime.XMLSerializer;
import com.sun.xml.bind.v2.runtime.reflect.ListTransducedAccessorImpl;
import com.sun.xml.bind.v2.runtime.reflect.TransducedAccessor;
import com.sun.xml.bind.v2.runtime.reflect.Accessor;
import com.sun.xml.bind.v2.runtime.unmarshaller.ChildLoader;
import com.sun.xml.bind.v2.runtime.unmarshaller.LeafPropertyLoader;
import org.xml.sax.SAXException;
/**
* {@link Property} implementation for {@link ElementPropertyInfo} whose
* {@link ElementPropertyInfo#isValueList()} is true.
*
* @author Kohsuke Kawaguchi
*/
final class ListElementProperty<BeanT,ListT,ItemT> extends ArrayProperty<BeanT,ListT,ItemT> {
private final Name tagName;
/**
* Converts all the values to a list and back.
*/
private final TransducedAccessor<BeanT> xacc;
public ListElementProperty(JAXBContextImpl grammar, RuntimeElementPropertyInfo prop) {
super(grammar, prop);
assert prop.isValueList();
assert prop.getTypes().size()==1; // required by the contract of isValueList
RuntimeTypeRef ref = prop.getTypes().get(0);
tagName = grammar.nameBuilder.createElementName(ref.getTagName());
// transducer for each item
Transducer xducer = ref.getTransducer();
// transduced accessor for the whole thing
xacc = new ListTransducedAccessorImpl(xducer,acc,lister);
}
public PropertyKind getKind() {
return PropertyKind.ELEMENT;
}
public void buildChildElementUnmarshallers(UnmarshallerChain chain, QNameMap<ChildLoader> handlers) {
handlers.put(tagName, new ChildLoader(new LeafPropertyLoader(xacc),null));
}
@Override
public void serializeBody(BeanT o, XMLSerializer w, Object outerPeer) throws SAXException, AccessorException, IOException, XMLStreamException {
ListT list = acc.get(o);
if(list!=null) {
if(xacc.useNamespace()) {
w.startElement(tagName,null);
xacc.declareNamespace(o,w);
w.endNamespaceDecls(list);
w.endAttributes();
xacc.writeText(w,o,fieldName);
w.endElement();
} else {
xacc.writeLeafElement(w, tagName, o, fieldName);
}
}
}
@Override
public Accessor getElementPropertyAccessor(String nsUri, String localName) {
if(tagName!=null) {
if(tagName.equals(nsUri,localName))
return acc;
}
return null;
}
}