org.eclipse.persistence.internal.oxm.ChoiceUnmarshalContext Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of eclipselink Show documentation
EclipseLink build based upon Git transaction f2b9fc5
There is a newer version: 5.0.0-B03
/*
 * Copyright (c) 1998, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     bdoughan - August 7/2009 - 2.0 - Initial implementation
package org.eclipse.persistence.internal.oxm;

import jakarta.xml.bind.JAXBElement;

import org.eclipse.persistence.internal.oxm.mappings.Mapping;
import org.eclipse.persistence.internal.oxm.mappings.XMLConverterMapping;
import org.eclipse.persistence.internal.oxm.record.UnmarshalContext;
import org.eclipse.persistence.internal.oxm.record.UnmarshalRecord;

/**
 * Allow the unmarshal context to be wrapped.  This is necessary so that choice
 * mappings with a converter can convert the result of the nested mapping.
 */
public class ChoiceUnmarshalContext implements UnmarshalContext {

    private UnmarshalContext unmarshalContext;
    private XMLConverterMapping converter;

    public ChoiceUnmarshalContext(UnmarshalContext unmarshalContext, XMLConverterMapping converter) {
        this.unmarshalContext = unmarshalContext;
        this.converter = converter;
    }

    @Override
    public void addAttributeValue(UnmarshalRecord unmarshalRecord, ContainerValue containerValue, Object value) {
        this.unmarshalContext.addAttributeValue(unmarshalRecord, containerValue, getValue(value, unmarshalRecord));
    }

    @Override
    public void addAttributeValue(UnmarshalRecord unmarshalRecord, ContainerValue containerValue, Object value, Object collection) {
        this.unmarshalContext.addAttributeValue(unmarshalRecord, containerValue, getValue(value, unmarshalRecord), collection);
    }

    @Override
    public void characters(UnmarshalRecord unmarshalRecord) {
        unmarshalContext.characters(unmarshalRecord);
    }

    @Override
    public void endElement(UnmarshalRecord unmarshalRecord) {
        unmarshalContext.endElement(unmarshalRecord);
    }

    @Override
    public void reference(Reference reference) {
        unmarshalContext.reference(reference);
    }

    @Override
    public void setAttributeValue(UnmarshalRecord unmarshalRecord, Object value, Mapping mapping) {
        unmarshalContext.setAttributeValue(unmarshalRecord, getValue(value, unmarshalRecord), mapping);
    }

    @Override
    public void startElement(UnmarshalRecord unmarshalRecord) {
        unmarshalContext.startElement(unmarshalRecord);
    }

    @Override
    public void unmappedContent(UnmarshalRecord unmarshalRecord) {
        unmarshalContext.unmappedContent(unmarshalRecord);
    }

    protected Object getValue(Object value, UnmarshalRecord unmarshalRecord) {
        Object converted = converter.convertDataValueToObjectValue(value, unmarshalRecord.getSession(), unmarshalRecord.getUnmarshaller());
        if (converted instanceof JAXBElement) {
            ((JAXBElement)converted).setNil(unmarshalRecord.isNil());
        }
        return converted;
    }

}