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

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * 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,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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package com.sun.tools.internal.xjc.api.impl.s2j;

import javax.xml.bind.JAXBElement;

import javax.xml.namespace.QName;

import com.sun.codemodel.internal.JType;

import com.sun.codemodel.internal.JBlock;

import com.sun.codemodel.internal.JVar;

import com.sun.codemodel.internal.JConditional;

import com.sun.codemodel.internal.JExpr;

import com.sun.codemodel.internal.JExpression;

import com.sun.codemodel.internal.JCodeModel;

import com.sun.codemodel.internal.JInvocation;

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

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

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

import com.sun.tools.internal.xjc.model.CElementInfo;

/**

 * {@link ElementAdapter} that works with a single {@link JAXBElement}.

 *

 * @author Kohsuke Kawaguchi

 */

final class ElementSingleAdapter extends ElementAdapter {

    public ElementSingleAdapter(FieldOutline core, CElementInfo ei) {

        super(core, ei);

    }

    public JType getRawType() {

        return ei.getContentInMemoryType().toType(outline(), Aspect.EXPOSED);

    }

    public FieldAccessor create(JExpression targetObject) {

        return new FieldAccessorImpl(targetObject);

    }

    final class FieldAccessorImpl extends ElementAdapter.FieldAccessorImpl {

        public FieldAccessorImpl(JExpression target) {

            super(target);

        }

        public void toRawValue(JBlock block, JVar $var) {

            // [RESULT]

            // if([core.hasSetValue])

            //   $var = [core.toRawValue].getValue();

            // else

            //   $var = null;

            JConditional cond = block._if(acc.hasSetValue());

            JVar $v = cond._then().decl(core.getRawType(), "v" + hashCode());// TODO: unique value control

            acc.toRawValue(cond._then(),$v);

            cond._then().assign($var,$v.invoke("getValue"));

            cond._else().assign($var, JExpr._null());

        }

        public void fromRawValue(JBlock block, String uniqueName, JExpression $var) {

            // [RESULT]

            // [core.fromRawValue](new JAXBElement(tagName, TYPE, $var));

            acc.fromRawValue(block,uniqueName, createJAXBElement($var));

        }

    }

}