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package com.sun.xml.bind.v2.model.core;
import javax.xml.bind.annotation.adapters.XmlAdapter;
import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
import com.sun.xml.bind.v2.model.annotation.AnnotationReader;
import com.sun.xml.bind.v2.model.nav.Navigator;
/**
* {@link Adapter} that wraps {@link XmlJavaTypeAdapter}.
*
* @author Kohsuke Kawaguchi
*/
public class Adapter<TypeT,ClassDeclT> {
/**
* The adapter class. Always non-null.
*
* A class that derives from {@link javax.xml.bind.annotation.adapters.XmlAdapter}.
*/
public final ClassDeclT adapterType;
/**
* The type that the JAXB can handle natively.
* The {@code Default} parameter of {@code XmlAdapter<Default,Custom>}.
*
* Always non-null.
*/
public final TypeT defaultType;
/**
* The type that is stored in memory.
* The {@code Custom} parameter of {@code XmlAdapter<Default,Custom>}.
*/
public final TypeT customType;
public Adapter(
XmlJavaTypeAdapter spec,
AnnotationReader<TypeT,ClassDeclT,?,?> reader,
Navigator<TypeT,ClassDeclT,?,?> nav) {
this( nav.asDecl(reader.getClassValue(spec,"value")), nav );
}
public Adapter(ClassDeclT adapterType,Navigator<TypeT,ClassDeclT,?,?> nav) {
this.adapterType = adapterType;
TypeT baseClass = nav.getBaseClass(nav.use(adapterType), nav.asDecl(XmlAdapter.class));
// because the parameterization of XmlJavaTypeAdapter requires that the class derives from XmlAdapter.
assert baseClass!=null;
if(nav.isParameterizedType(baseClass))
defaultType = nav.getTypeArgument(baseClass,0);
else
defaultType = nav.ref(Object.class);
if(nav.isParameterizedType(baseClass))
customType = nav.getTypeArgument(baseClass,1);
else
customType = nav.ref(Object.class);
}
}