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package com.sun.xml.bind.v2.model.impl;
import java.util.Arrays;
import java.util.Collection;
import java.util.Map;
import javax.xml.bind.annotation.XmlElementWrapper;
import javax.xml.namespace.QName;
import com.sun.xml.bind.v2.model.core.MapPropertyInfo;
import com.sun.xml.bind.v2.model.core.NonElement;
import com.sun.xml.bind.v2.model.core.PropertyKind;
import com.sun.xml.bind.v2.model.core.TypeInfo;
/**
* @author Kohsuke Kawaguchi
*/
class MapPropertyInfoImpl<T,C,F,M> extends PropertyInfoImpl<T,C,F,M> implements MapPropertyInfo<T,C> {
private final QName xmlName;
private boolean nil;
private final T keyType;
private final T valueType;
// laziy computed to handle cyclic references
private NonElement<T,C> keyTypeInfo;
private NonElement<T,C> valueTypeInfo;
public MapPropertyInfoImpl(ClassInfoImpl<T,C,F,M> ci, PropertySeed<T,C,F,M> seed) {
super(ci, seed);
XmlElementWrapper xe = seed.readAnnotation(XmlElementWrapper.class);
xmlName = calcXmlName(xe);
nil = xe!=null && xe.nillable();
T raw = getRawType();
T bt = nav().getBaseClass(raw, nav().asDecl(Map.class) );
assert bt!=null; // Map property is only for Maps
if(nav().isParameterizedType(bt)) {
keyType = nav().getTypeArgument(bt,0);
valueType = nav().getTypeArgument(bt,1);
} else {
keyType = valueType = nav().ref(Object.class);
}
}
public Collection<? extends TypeInfo<T,C>> ref() {
return Arrays.asList(getKeyType(),getValueType());
}
public final PropertyKind kind() {
return PropertyKind.MAP;
}
public QName getXmlName() {
return xmlName;
}
public boolean isCollectionNillable() {
return nil;
}
public NonElement<T,C> getKeyType() {
if(keyTypeInfo==null)
keyTypeInfo = getTarget(keyType);
return keyTypeInfo;
}
public NonElement<T,C> getValueType() {
if(valueTypeInfo==null)
valueTypeInfo = getTarget(valueType);
return valueTypeInfo;
}
public NonElement<T,C> getTarget(T type) {
assert parent.builder!=null : "this method must be called during the build stage";
return parent.builder.getTypeInfo(type,this);
}
}