RulesManagerParser.java

/*******************************************************************************
 * Copyright French Prime minister Office/SGMAP/DINSIC/Vitam Program (2015-2019)
 *
 * contact.vitam@culture.gouv.fr
 *
 * This software is a computer program whose purpose is to implement a digital archiving back-office system managing
 * high volumetry securely and efficiently.
 *
 * This software is governed by the CeCILL 2.1 license under French law and abiding by the rules of distribution of free
 * software. You can use, modify and/ or redistribute the software under the terms of the CeCILL 2.1 license as
 * circulated by CEA, CNRS and INRIA at the following URL "http://www.cecill.info".
 *
 * As a counterpart to the access to the source code and rights to copy, modify and redistribute granted by the license,
 * users are provided only with a limited warranty and the software's author, the holder of the economic rights, and the
 * successive licensors have only limited liability.
 *
 * In this respect, the user's attention is drawn to the risks associated with loading, using, modifying and/or
 * developing or reproducing the software by the user in light of its specific status of free software, that may mean
 * that it is complicated to manipulate, and that also therefore means that it is reserved for developers and
 * experienced professionals having in-depth computer knowledge. Users are therefore encouraged to load and test the
 * software's suitability as regards their requirements in conditions enabling the security of their systems and/or data
 * to be ensured and, more generally, to use and operate it in the same conditions as regards security.
 *
 * The fact that you are presently reading this means that you have had knowledge of the CeCILL 2.1 license and that you
 * accept its terms.
 *******************************************************************************/
package fr.gouv.vitam.functional.administration.rules.core;

import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.Map;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.MappingIterator;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.fasterxml.jackson.dataformat.csv.CsvMapper;
import com.fasterxml.jackson.dataformat.csv.CsvSchema;

import fr.gouv.vitam.common.exception.InvalidParseOperationException;
import fr.gouv.vitam.common.json.JsonHandler;

/**
 * RulesManagerParser Manage the parse of a CSV file
 *
 */

public class RulesManagerParser {

    /**
     * RulesManagerParser Constructor
     */
    RulesManagerParser() {

    }

    /**
     * readObjectsFromCsvWriteAsArrayNode : read objects from a csv file and write it as array node
     *
     * @param fileToParse
     * @return ArrayNode
     * @throws IOException
     * @throws InvalidParseOperationException
     */
    public static ArrayNode readObjectsFromCsvWriteAsArrayNode(File fileToParse) throws IOException,
        InvalidParseOperationException {
        SimpleDateFormat formater = null;
        final Date aujourdhui = new Date();
        final CsvSchema bootstrap = CsvSchema.emptySchema().withHeader();
        final CsvMapper csvMapper = new CsvMapper();
        final MappingIterator<Map<?, ?>> mappingIterator =
            csvMapper.readerFor(Map.class).with(bootstrap).readValues(fileToParse);
        final ArrayNode arrayNode = JsonHandler.createArrayNode();
        final List<Map<?, ?>> data = mappingIterator.readAll();
        for (final Map<?, ?> c : data) {
            final JsonNode node = JsonHandler.toJsonNode(c);
            final ObjectNode result = (ObjectNode) node;
            formater = new SimpleDateFormat("yyyy-MM-dd");
            result.put("CreationDate", formater.format(aujourdhui).toString());
            result.put("UpdateDate", formater.format(aujourdhui).toString());
            arrayNode.add(result);
        }
        return arrayNode;
    }
}