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/**
 * ============LICENSE_START=======================================================
 * org.onap.aai
 * ================================================================================
 * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
 * Copyright © 2017-2018 Amdocs
 * ================================================================================
 * 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.aai.sa.searchdbabstraction.searchapi;

import com.fasterxml.jackson.annotation.JsonProperty;

/**
 * This class represents the ranges specification in an date_range statement.
 * <p>
 * The expected JSON structure for a ranges is as follows:
 * <p>
 *
 * <pre>
 * {
 *  "from": <from-date>
 * }
 * </pre>
 * <p>
 * or
 * <p>
 *
 * <pre>
 * {
 *  "to": <to-date>
 * }
 * </pre>
 * <p>
 * or
 * <p>
 *
 * <pre>
 * {
 *  "from": <from-date>,
 *  "to": <to-date>
 * }
 * </pre>
 *
 * @author sye
 */
public class DateRange {

    @JsonProperty("from")
    private String fromDate;

    @JsonProperty("to")
    private String toDate;

    public String getFromDate() {
        return fromDate;
    }

    public void setFromDate(String fromDate) {
        this.fromDate = fromDate;
    }

    public String getToDate() {
        return toDate;
    }

    public void setToDate(String toDate) {
        this.toDate = toDate;
    }

    public String toElasticSearch() {
        StringBuilder sb = new StringBuilder();

        sb.append("{");

        if (fromDate != null) {
            sb.append("\"from\": \"");
            sb.append(fromDate);
            sb.append("\"");
        }

        if (toDate != null) {
            if (fromDate != null) {
                sb.append(", \"to\": \"");
                sb.append(toDate);
                sb.append("\"");
            } else {
                sb.append("\"to\": \"");
                sb.append(toDate);
                sb.append("\"");
            }
        }

        sb.append("}");

        return sb.toString();
    }

    @Override
    public String toString() {
        return "{from: " + fromDate + ", to: " + toDate + "}";
    }

}