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package com.sun.xml.bind.v2.runtime.property;
import java.io.IOException;
import java.lang.reflect.Modifier;
import java.lang.reflect.Type;
import java.util.HashMap;
import java.util.Map;
import javax.xml.namespace.QName;
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.core.TypeRef;
import com.sun.xml.bind.v2.model.runtime.RuntimeElementPropertyInfo;
import com.sun.xml.bind.v2.model.runtime.RuntimeTypeInfo;
import com.sun.xml.bind.v2.model.runtime.RuntimeTypeRef;
import com.sun.xml.bind.v2.runtime.JAXBContextImpl;
import com.sun.xml.bind.v2.runtime.JaxBeanInfo;
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.unmarshaller.ChildLoader;
import com.sun.xml.bind.v2.runtime.unmarshaller.DefaultValueLoaderDecorator;
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 javax.xml.bind.JAXBElement;
import org.xml.sax.SAXException;
/**
* @author Kohsuke Kawaguchi ([email protected])
*/
final class SingleElementNodeProperty extends PropertyImpl {
private final Accessor acc;
private final boolean nillable;
private final QName[] acceptedElements;
private final Map typeNames = new HashMap();
private RuntimeElementPropertyInfo prop;
/**
* The tag name used to produce xsi:nil. The first one in the list.
*/
private final Name nullTagName;
public SingleElementNodeProperty(JAXBContextImpl context, RuntimeElementPropertyInfo prop) {
super(context,prop);
acc = prop.getAccessor().optimize(context);
this.prop = prop;
QName nt = null;
boolean nil = false;
acceptedElements = new QName[prop.getTypes().size()];
for( int i=0; i e : typeNames.entrySet()) {
if(e.getKey().isAssignableFrom(vtype)) {
tt = e.getValue();
break;
}
}
}
boolean addNilDecl = (o instanceof JAXBElement) && ((JAXBElement)o).isNil();
if(tt==null) {
// actually this is an error, because the actual type was not a sub-type
// of any of the types specified in the annotations,
// but for the purpose of experimenting with simple type substitution,
// it's convenient to marshal this anyway (for example so that classes
// generated from simple types like String can be marshalled as expected.)
w.startElement(typeNames.values().iterator().next().tagName,null);
w.childAsXsiType(v,fieldName,w.grammar.getBeanInfo(Object.class), addNilDecl && nillable);
} else {
w.startElement(tt.tagName,null);
w.childAsXsiType(v,fieldName,tt.beanInfo, addNilDecl && nillable);
}
w.endElement();
} else if (nillable) {
w.startElement(nullTagName,null);
w.writeXsiNilTrue();
w.endElement();
}
}
public void buildChildElementUnmarshallers(UnmarshallerChain chain, QNameMap handlers) {
JAXBContextImpl context = chain.context;
for (TypeRef e : prop.getTypes()) {
JaxBeanInfo bi = context.getOrCreate((RuntimeTypeInfo) e.getTarget());
// if the expected Java type is already final, type substitution won't really work anyway.
// this also traps cases like trying to substitute xsd:long element with xsi:type='xsd:int'
Loader l = bi.getLoader(context,!Modifier.isFinal(bi.jaxbType.getModifiers()));
if(e.getDefaultValue()!=null)
l = new DefaultValueLoaderDecorator(l,e.getDefaultValue());
if(nillable || chain.context.allNillable)
l = new XsiNilLoader.Single(l,acc);
handlers.put( e.getTagName(), new ChildLoader(l,acc));
}
}
public PropertyKind getKind() {
return PropertyKind.ELEMENT;
}
@Override
public Accessor getElementPropertyAccessor(String nsUri, String localName) {
for( QName n : acceptedElements) {
if(n.getNamespaceURI().equals(nsUri) && n.getLocalPart().equals(localName))
return acc;
}
return null;
}
}
