/*
 * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.yangtools.yang.data.util;

import java.io.IOException;
import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamAttributeWriter;
import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;

/**
 * Utility class used for tracking parser state as needed by a StAX-like parser.
 * This class is to be used only by respective XML and JSON parsers in yang-data-codec-xml and yang-data-codec-gson.
 *
 * <p>
 * Represents a YANG container node.
 */
public class ContainerNodeDataWithSchema extends CompositeNodeDataWithSchema<ContainerSchemaNode> {

    public ContainerNodeDataWithSchema(final ContainerSchemaNode schema) {
        super(schema);
    }

    @Override
    public void write(final NormalizedNodeStreamWriter writer) throws IOException {
        writer.nextDataSchemaNode(getSchema());

        if (writer instanceof NormalizedNodeStreamAttributeWriter && getAttributes() != null) {
            ((NormalizedNodeStreamAttributeWriter) writer).startContainerNode(provideNodeIdentifier(), childSizeHint(),
                    getAttributes());
        } else {
            writer.startContainerNode(provideNodeIdentifier(), childSizeHint());
        }

        super.write(writer);
        writer.endNode();
    }
}