org.openlmis.fulfillment.util.CustomSortDeserializer.java Source code

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Here is the source code for org.openlmis.fulfillment.util.CustomSortDeserializer.java

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/*
 * This program is part of the OpenLMIS logistics management information system platform software.
 * Copyright  2017 VillageReach
 *
 * This program is free software: you can redistribute it and/or modify it under the terms
 * of the GNU Affero General Public License as published by the Free Software Foundation, either
 * version 3 of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details. You should have received a copy of
 * the GNU Affero General Public License along with this program. If not, see
 * http://www.gnu.org/licenses. For additional information contact info@OpenLMIS.org.
 */

package org.openlmis.fulfillment.util;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ArrayNode;
import java.io.IOException;
import org.springframework.data.domain.Sort;

public class CustomSortDeserializer extends JsonDeserializer<Sort> {

    @Override
    public Sort deserialize(JsonParser parser, DeserializationContext context) throws IOException {
        ArrayNode node = parser.getCodec().readTree(parser);
        Sort.Order[] orders = new Sort.Order[node.size()];
        int index = 0;
        for (JsonNode obj : node) {
            orders[index] = new Sort.Order(Sort.Direction.valueOf(obj.get("direction").asText()),
                    obj.get("property").asText());
            index++;
        }
        return new Sort(orders);
    }
}