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 * published by the Free Software Foundation.  Oracle designates this

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

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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

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 * accompanied this code).

 *

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

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package com.sun.tools.internal.xjc.model;

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

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

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

import com.sun.codemodel.internal.JClass;

import com.sun.tools.internal.xjc.model.nav.EagerNClass;

import com.sun.tools.internal.xjc.model.nav.NClass;

import com.sun.tools.internal.xjc.model.nav.NType;

import com.sun.tools.internal.xjc.model.nav.NavigatorImpl;

import com.sun.tools.internal.xjc.outline.Aspect;

import com.sun.tools.internal.xjc.outline.Outline;

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

/**

 * Extended {@link Adapter} for use within XJC.

 *

 * @author Kohsuke Kawaguchi

 */

public final class CAdapter extends Adapter<NType,NClass> {

    /**

     * If non-null, the same as {@link #adapterType} but more conveniently typed.

     */

    private JClass adapterClass1;

    /**

     * If non-null, the same as {@link #adapterType} but more conveniently typed.

     */

    private Class<? extends XmlAdapter> adapterClass2;

    /**

     * When the adapter class is statically known to us.

     *

     * @param copy

     *      true to copy the adapter class into the user package,

     *      or otherwise just refer to the class specified via the

     *      adapter parameter.

     */

    public CAdapter(Class<? extends XmlAdapter> adapter, boolean copy) {

        super(getRef(adapter,copy),NavigatorImpl.theInstance);

        this.adapterClass1 = null;

        this.adapterClass2 = adapter;

    }

    static NClass getRef( final Class<? extends XmlAdapter> adapter, boolean copy ) {

        if(copy) {

            // TODO: this is a hack. the code generation should be defered until

            // the backend. (right now constant generation happens in the front-end)

            return new EagerNClass(adapter) {

                @Override

                public JClass toType(Outline o, Aspect aspect) {

                    return o.addRuntime(adapter);

                }

                public String fullName() {

                    // TODO: implement this method later

                    throw new UnsupportedOperationException();

                }

            };

        } else {

            return NavigatorImpl.theInstance.ref(adapter);

        }

    }

    public CAdapter(JClass adapter) {

        super( NavigatorImpl.theInstance.ref(adapter), NavigatorImpl.theInstance);

        this.adapterClass1 = adapter;

        this.adapterClass2 = null;

    }

    public JClass getAdapterClass(Outline o) {

        if(adapterClass1==null)

            adapterClass1 = o.getCodeModel().ref(adapterClass2);

        return adapterType.toType(o, Aspect.EXPOSED);

    }

    /**

     * Returns true if the adapter is for whitespace normalization.

     * Such an adapter can be ignored when producing a list.

     */

    public boolean isWhitespaceAdapter() {

        return adapterClass2==CollapsedStringAdapter.class || adapterClass2==NormalizedStringAdapter.class;

    }

    /**

     * Returns the adapter class if the adapter type is statically known to XJC.

     * <p>

     * This method is mostly for enabling certain optimized code generation.

     */

    public Class<? extends XmlAdapter> getAdapterIfKnown() {

        return adapterClass2;

    }

}