org.lieuofs.util.dao.FichierOFSTxtDao.java Source code

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Here is the source code for org.lieuofs.util.dao.FichierOFSTxtDao.java

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/**
 * This file is part of LieuOFS.
 *
 * LieuOFS is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License.
 *
 * LieuOFS 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with LieuOFS.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.lieuofs.util.dao;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;

import javax.annotation.PostConstruct;

import org.lieuofs.Mutable;
import org.lieuofs.TypeMutation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.Resource;
import org.springframework.dao.TypeMismatchDataAccessException;
import org.springframework.util.StringUtils;

/**
 * @author <a href="mailto:patrick.giroud@etat.ge.ch">Patrick Giroud</a>
 *
 */
public abstract class FichierOFSTxtDao {

    /**************************************************/
    /****************** Attributs *********************/
    /**************************************************/

    final Logger logger = LoggerFactory.getLogger(FichierOFSTxtDao.class);
    private Resource fichier;
    private String charsetName;
    private DateFormat dateFmt;

    /**************************************************/
    /**************** Constructeurs *******************/
    /**************************************************/

    public FichierOFSTxtDao() {
        super();
        dateFmt = new SimpleDateFormat("dd.MM.yyyy");
        dateFmt.setTimeZone(TimeZone.getTimeZone("Europe/Zurich"));
    }

    /**************************************************/
    /******* Accesseurs / Mutateurs *******************/
    /**************************************************/

    public void setFichier(Resource fichier) {
        this.fichier = fichier;
    }

    public void setCharsetName(String charsetName) {
        this.charsetName = charsetName;
    }

    /**
    * @return the dateFmt
    */
    protected DateFormat getDateFmt() {
        return dateFmt;
    }

    /**************************************************/
    /******************* Mthodes *********************/
    /**************************************************/

    protected abstract void traiterLigneFichier(String... tokens) throws ParseException;

    @PostConstruct
    public void chargerResource() throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(fichier.getInputStream(), charsetName));
        int numLigne = 1;
        String ligne = reader.readLine();
        while (null != ligne) {
            try {
                traiterLigneFichier(ligne.split("\t"));
            } catch (ParseException pe) {
                throw new TypeMismatchDataAccessException(
                        "Erreur de lecture dans la ressource " + fichier.getFilename() + "  la ligne " + numLigne,
                        pe);
            } catch (NumberFormatException nfe) {
                throw new TypeMismatchDataAccessException(
                        "Erreur de lecture dans la ressource " + fichier.getFilename() + "  la ligne " + numLigne,
                        nfe);
            }
            ligne = reader.readLine();
            numLigne++;
        }
        reader.close();
    }

    protected Mutable creerMutation(String numero, String typeMutation, String date, boolean radiation)
            throws ParseException {
        if (!StringUtils.hasText(numero) || !StringUtils.hasText(typeMutation) || !StringUtils.hasText(date))
            return null;
        Integer num = Integer.decode(numero);
        TypeMutation type = TypeMutation.getParId(Long.decode(typeMutation));
        Date dtSuisse = getDateFmt().parse(date);
        Date dateMutation = radiation ? DateUtil.derniereMillisecondeDeLaJournee(dtSuisse)
                : DateUtil.premierMillisecondeDeLaJournee(dtSuisse);
        return creerMutation(num, type, dateMutation);
    }

    private Mutable creerMutation(Integer numero, TypeMutation typeMutation, Date date) {
        Mutation mutation = new Mutation();
        mutation.setNumero(numero);
        mutation.setMode(typeMutation);
        mutation.setDate(date);
        return mutation;
    }

    private class Mutation implements Mutable {

        int numero;
        TypeMutation mode;
        Date date;

        /**
         * @return the numero
         */
        public int getNumero() {
            return numero;
        }

        /**
         * @param numero the numero to set
         */
        public void setNumero(int numero) {
            this.numero = numero;
        }

        /**
         * @return the date
         */
        public Date getDate() {
            return date;
        }

        /**
         * @param date the date to set
         */
        public void setDate(Date date) {
            this.date = date;
        }

        @Override
        public TypeMutation getMode() {
            return mode;
        }

        /**
         * @param mode the mode to set
         */
        public void setMode(TypeMutation mode) {
            this.mode = mode;
        }

    }

}