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

import javax.activation.MimeType;

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

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

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

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

/**

 * Factory methods to create a new {@link TypeUse} from an existing one.

 *

 * @author Kohsuke Kawaguchi

 */

public final class TypeUseFactory {

    private TypeUseFactory() {}

    public static TypeUse makeID( TypeUse t, ID id ) {

        if(t.idUse()!=ID.NONE)

            // I don't think we let users tweak the idness, so

            // this error must indicate an inconsistency within the RI/spec.

            throw new IllegalStateException();

        return new TypeUseImpl( t.getInfo(), t.isCollection(), id, t.getExpectedMimeType(), t.getAdapterUse() );

    }

    public static TypeUse makeMimeTyped( TypeUse t, MimeType mt ) {

        if(t.getExpectedMimeType()!=null)

            // I don't think we let users tweak the idness, so

            // this error must indicate an inconsistency within the RI/spec.

            throw new IllegalStateException();

        return new TypeUseImpl( t.getInfo(), t.isCollection(), t.idUse(), mt, t.getAdapterUse() );

    }

    public static TypeUse makeCollection( TypeUse t ) {

        if(t.isCollection())    return t;

        CAdapter au = t.getAdapterUse();

        if(au!=null && !au.isWhitespaceAdapter()) {

            // we can't process this right now.

            // for now bind to a weaker type

            TODO.checkSpec();

            return CBuiltinLeafInfo.STRING_LIST;

        }

        return new TypeUseImpl( t.getInfo(), true, t.idUse(), t.getExpectedMimeType(), null );

    }

    public static TypeUse adapt(TypeUse t, CAdapter adapter) {

        assert t.getAdapterUse()==null;    // TODO: we don't know how to handle double adapters yet.

        return new TypeUseImpl(t.getInfo(),t.isCollection(),t.idUse(),t.getExpectedMimeType(),adapter);

    }

    /**

     * Creates a new adapter {@link TypeUse} by using the existing {@link Adapter} class.

     */

    public static TypeUse adapt( TypeUse t, Class<? extends XmlAdapter> adapter, boolean copy ) {

        return adapt( t, new CAdapter(adapter,copy) );

    }

}