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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

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package com.sun.xml.internal.bind.v2.model.core;

import javax.xml.bind.annotation.adapters.XmlAdapter;

import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;

import com.sun.xml.internal.bind.v2.model.annotation.AnnotationReader;

import com.sun.xml.internal.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.

     *

     * Always non-null.

     */

    public final TypeT defaultType;

    /**

     * The type that is stored in memory.

     */

    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);

    }

}