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/*
 * Copyright 2012 AMG.lab, a Bull Group Company
 * 
 * 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.
 */
package org.xlcloud.service.heat.parsers;

import org.json.JSONException;
import org.json.JSONObject;

import org.xlcloud.service.heat.template.Mappings;

/**
 * Implementation of {@link JSONParser} for {@link Mappings}
 * @author Konrad Król, AMG.net
 */
public class MappingsParser implements JSONParser {

    /** {@inheritDoc} */
    @Override
    public Mappings fromJSON(JSONObject json) throws JSONException {
        Mappings mappings = new Mappings();
        mappings.setMappings(json);
        return mappings;
    }

    /** {@inheritDoc} */
    @Override
    public JSONObject fromPojo(Mappings pojo) throws JSONException {
        if (!pojo.getMappings().keys().hasNext()) {
            return null;
        }
        return pojo.getMappings();
    }

}