ExportExcelUtil.java

package nc.noumea.mairie.organigramme.utils;

/*
 * #%L
 * Logiciel de Gestion des Organigrammes de la Ville de Nouméa
 * $Id:$
 * $HeadURL:$
 * %%
 * Copyright (C) 2015 Mairie de Nouméa
 * %%
 * This program 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, 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #L%
 */

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Date;

import nc.noumea.mairie.organigramme.core.utility.DateUtil;
import nc.noumea.mairie.organigramme.core.ws.ISirhWSConsumer;
import nc.noumea.mairie.organigramme.dto.EntiteDto;
import nc.noumea.mairie.organigramme.dto.FichePosteDto;
import nc.noumea.mairie.organigramme.enums.StatutFichePoste;

import org.apache.commons.io.IOUtils;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.zkoss.bind.annotation.GlobalCommand;
import org.zkoss.zul.Filedownload;

public class ExportExcelUtil {

	private static final int NUM_COL_SIGLE = 0;
	private static final int NUM_COL_NUMERO = 1;
	private static final int NUM_COL_TITRE = 2;
	private static final int NUM_COL_STATUT = 3;
	private static final int NUM_COL_CATEGORIE = 4;
	private static final int NUM_COL_AGENT = 5;
	private static final int NUM_COL_REGLEMENTAIRE = 6;
	private static final int NUM_COL_COMMENTAIRE = 7;

	@GlobalCommand
	public static void genereExportExcel(EntiteDto entiteDto, boolean afficheFdpInactive, ISirhWSConsumer sirhWSConsumer) throws IOException {
		Workbook wb = new HSSFWorkbook();
		Sheet feuillePrincipale = wb.createSheet("Fiches de postes");
		creerEntete(feuillePrincipale);

		String listIdStatutFDP = StatutFichePoste.getListIdStatutActif();

		if (afficheFdpInactive) {
			listIdStatutFDP += "," + StatutFichePoste.INACTIVE.getId();
		}

		int numeroLigne = 1;
		for (FichePosteDto fichePosteDto : sirhWSConsumer.getFichePosteByIdEntite(entiteDto.getIdEntite(), listIdStatutFDP, true)) {
			Row row = feuillePrincipale.createRow((short) numeroLigne);
			row.createCell(NUM_COL_SIGLE).setCellValue(fichePosteDto.getSigle());
			row.createCell(NUM_COL_NUMERO).setCellValue(fichePosteDto.getNumero());
			row.createCell(NUM_COL_TITRE).setCellValue(fichePosteDto.getTitre());
			row.createCell(NUM_COL_STATUT).setCellValue(fichePosteDto.getStatutFDP());
			row.createCell(NUM_COL_CATEGORIE).setCellValue(fichePosteDto.getLibelleGradeCategorie());
			row.createCell(NUM_COL_AGENT).setCellValue(fichePosteDto.getAgent());
			row.createCell(NUM_COL_REGLEMENTAIRE).setCellValue(fichePosteDto.getReglementaire());
			row.createCell(NUM_COL_COMMENTAIRE).setCellValue(fichePosteDto.getCommentaire());

			numeroLigne++;
		}

		// Aucolumns
		for (int i = NUM_COL_SIGLE; i <= NUM_COL_COMMENTAIRE; i++) {
			feuillePrincipale.autoSizeColumn(i);
		}

		File tempFile = File.createTempFile("tempFile", ".xls");
		FileOutputStream fileStream = new FileOutputStream(tempFile);
		wb.write(fileStream);
		FileInputStream fileInputStream = new FileInputStream(tempFile);

		// Création et sauvegarde du fichier
		String nomFichier = "Organigramme - Impression Fiche Poste - " + entiteDto.getSigle() + "-" + DateUtil.formatDateForFile(new Date()) + ".xls";
		Filedownload.save(IOUtils.toByteArray(fileInputStream), null, nomFichier);
	}

	private static void creerEntete(Sheet sheet) {
		Row rowEntete = sheet.createRow((short) 0);
		rowEntete.createCell(NUM_COL_SIGLE).setCellValue("Sigle");
		rowEntete.createCell(NUM_COL_NUMERO).setCellValue("Numéro");
		rowEntete.createCell(NUM_COL_TITRE).setCellValue("Titre");
		rowEntete.createCell(NUM_COL_STATUT).setCellValue("Statut");
		rowEntete.createCell(NUM_COL_CATEGORIE).setCellValue("Catégorie");
		rowEntete.createCell(NUM_COL_AGENT).setCellValue("Agent");
		rowEntete.createCell(NUM_COL_REGLEMENTAIRE).setCellValue("Réglementaire");
		rowEntete.createCell(NUM_COL_COMMENTAIRE).setCellValue("Commentaire");
	}
}