/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Modifications Copyright (c) 2019 Samsung
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */

package org.onap.so.openstack.mappers;

import java.util.HashMap;
import java.util.Map;
import javax.xml.bind.annotation.adapters.XmlAdapter;
import org.w3c.dom.Element;

public class MapAdapter extends XmlAdapter<MapEntry, Map<String, Object>> {

    @Override
    public MapEntry marshal(Map<String, Object> v) throws Exception {

        if (v == null || v.isEmpty()) {
            return null;
        }

        MapEntry map = new MapEntry();

        for (Map.Entry<String, Object> entry : v.entrySet()) {
            map.addEntry(entry.getKey(), entry.getValue());
        }

        return map;
    }

    @Override
    public Map<String, Object> unmarshal(MapEntry v) throws Exception {
        if (v == null) {
            return null;
        }

        Map<String, Object> map = new HashMap<>(v.getEntry().size());

        for (MapElements entry : v.getEntry()) {
            if (entry.value instanceof Element) {
                map.put(entry.key, ((Element) entry.value).getTextContent());
            } else {
                map.put(entry.key, entry.value);
            }
        }

        return map;
    }
}