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 * published by the Free Software Foundation.  Oracle designates this

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

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 * 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

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package com.sun.xml.internal.bind.v2.runtime.reflect;

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

import com.sun.xml.internal.bind.api.AccessorException;

import com.sun.xml.internal.bind.v2.ClassFactory;

import com.sun.xml.internal.bind.v2.model.core.Adapter;

import com.sun.xml.internal.bind.v2.runtime.Coordinator;

/**

 * {@link Accessor} that adapts the value by using {@link Adapter}.

 *

 * @see Accessor#adapt

 * @author Kohsuke Kawaguchi

 */

final class AdaptedAccessor<BeanT,InMemValueT,OnWireValueT> extends Accessor<BeanT,OnWireValueT> {

    private final Accessor<BeanT,InMemValueT> core;

    private final Class<? extends XmlAdapter<OnWireValueT,InMemValueT>> adapter;

    /*pacakge*/ AdaptedAccessor(Class<OnWireValueT> targetType, Accessor<BeanT, InMemValueT> extThis, Class<? extends XmlAdapter<OnWireValueT, InMemValueT>> adapter) {

        super(targetType);

        this.core = extThis;

        this.adapter = adapter;

    }

    @Override

    public boolean isAdapted() {

        return true;

    }

    public OnWireValueT get(BeanT bean) throws AccessorException {

        InMemValueT v = core.get(bean);

        XmlAdapter<OnWireValueT,InMemValueT> a = getAdapter();

        try {

            return a.marshal(v);

        } catch (Exception e) {

            throw new AccessorException(e);

        }

    }

    public void set(BeanT bean, OnWireValueT o) throws AccessorException {

        XmlAdapter<OnWireValueT, InMemValueT> a = getAdapter();

        try {

            core.set(bean, (o == null ? null : a.unmarshal(o)));

        } catch (Exception e) {

            throw new AccessorException(e);

        }

    }

    public Object getUnadapted(BeanT bean) throws AccessorException {

        return core.getUnadapted(bean);

    }

    public void setUnadapted(BeanT bean, Object value) throws AccessorException {

        core.setUnadapted(bean,value);

    }

    /**

     * Sometimes Adapters are used directly by JAX-WS outside any

     * {@link Coordinator}. Use this lazily-created cached

     * {@link XmlAdapter} in such cases.

     */

    private XmlAdapter<OnWireValueT, InMemValueT> staticAdapter;

    private XmlAdapter<OnWireValueT, InMemValueT> getAdapter() {

        Coordinator coordinator = Coordinator._getInstance();

        if(coordinator!=null)

            return coordinator.getAdapter(adapter);

        else {

            synchronized(this) {

                if(staticAdapter==null)

                    staticAdapter = ClassFactory.create(adapter);

            }

            return staticAdapter;

        }

    }

}