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/*
 * Copyright (c) 1998, 2018 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:
//     Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.internal.oxm.record;

import org.eclipse.persistence.internal.oxm.ContainerValue;
import org.eclipse.persistence.internal.oxm.Reference;
import org.eclipse.persistence.internal.oxm.mappings.Mapping;

/**
 * An implementation of UnmarshalContext for handling plain old java objects that
 * are mapped to XML.
 */
public class ObjectUnmarshalContext implements UnmarshalContext {

    private static final ObjectUnmarshalContext INSTANCE = new ObjectUnmarshalContext();

    public static ObjectUnmarshalContext getInstance() {
        return INSTANCE;
    }

    public void startElement(UnmarshalRecord unmarshalRecord) {
    }

    public void characters(UnmarshalRecord unmarshalRecord) {
    }

    public void endElement(UnmarshalRecord unmarshalRecord) {
    }

    public void setAttributeValue(UnmarshalRecord unmarshalRecord, Object value, Mapping mapping) {
        mapping.setAttributeValueInObject(unmarshalRecord.getCurrentObject(), value);
    }

    public void addAttributeValue(UnmarshalRecord unmarshalRecord, ContainerValue containerValue, Object value) {
        Object collection = unmarshalRecord.getContainerInstance(containerValue);
        addAttributeValue(unmarshalRecord, containerValue, value, collection);
    }

    public void addAttributeValue(UnmarshalRecord unmarshalRecord, ContainerValue containerValue, Object value, Object collection) {
        containerValue.getContainerPolicy().addInto(value, collection, unmarshalRecord.getSession());
    }

    public void reference(Reference reference) {
    }

    public void unmappedContent(UnmarshalRecord unmarshalRecord) {
    }

}