package org.sigmah.server.servlet.exporter;
/*
* #%L
* Sigmah
* %%
* Copyright (C) 2010 - 2016 URD
* %%
* 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.OutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.Map;
import javax.persistence.EntityManager;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import com.google.inject.Injector;
import org.sigmah.client.page.RequestParameter;
import org.sigmah.server.dao.impl.GlobalContactExportSettingsHibernateDAO;
import org.sigmah.server.domain.export.GlobalContactExportSettings;
import org.sigmah.server.servlet.base.ServletExecutionContext;
import org.sigmah.server.servlet.exporter.base.Exporter;
import org.sigmah.server.servlet.exporter.data.GlobalExportData;
import org.sigmah.server.servlet.exporter.data.GlobalExportDataContactProvider;
import org.sigmah.server.servlet.exporter.data.cells.ExportDataCell;
import org.sigmah.server.servlet.exporter.template.ExportTemplate;
import org.sigmah.server.servlet.exporter.template.GlobalExportCalcTemplate;
import org.sigmah.server.servlet.exporter.template.GlobalExportExcelTemplate;
import org.sigmah.shared.util.ExportUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class GlobalContactExportExporter extends Exporter {
/**
* Logger.
*/
private static final Logger LOG = LoggerFactory.getLogger(GlobalContactExportExporter.class);
public GlobalContactExportExporter(final Injector injector, final HttpServletRequest req, ServletExecutionContext context) throws Exception {
super(injector, req, context);
}
@Override
public String getFileName() {
SimpleDateFormat format = new SimpleDateFormat("yyyyMMddHHmmss");
return localize("contactsGlobalExportPrefix") + "_" + format.format(new Date()) + getExtention();
}
@Override
public void export(OutputStream output) throws Exception {
try {
final GlobalExportData data = prepareData();
ExportTemplate template = null;
switch (exportFormat) {
case XLS: {
template = new GlobalExportExcelTemplate(data);
}
break;
case ODS: {
template = new GlobalExportCalcTemplate(data);
}
break;
default:
LOG.error("[export] The export format '" + exportFormat + "' is unknown.");
throw new ServletException("The export format '" + exportFormat + "' is unknown.");
}
template.write(output);
} catch (Throwable e) {
LOG.error("[export] Error during the workbook writing.", e);
throw new Exception("Error during the workbook writing.");
}
}
@Override
public String getExtention() {
try {
Integer organizationId = Integer.parseInt(requireParameter(RequestParameter.ID));
// data format
final GlobalContactExportSettingsHibernateDAO exportSettingDao = injector.getInstance(GlobalContactExportSettingsHibernateDAO.class);
final GlobalContactExportSettings settings = exportSettingDao.getGlobalExportSettingsByOrganization(organizationId);
exportFormat = settings.getExportFormat();
if (exportFormat == null)
exportFormat = settings.getDefaultOrganizationExportFormat();
} catch (Exception e) {
LOG.error("[export] Error during the workbook writing.", e);
}
return super.getExtention();
}
private GlobalExportData prepareData() throws Exception {
Map<String, List<ExportDataCell[]>> exportData = null;
final GlobalExportDataContactProvider dataProvider = injector.getInstance(GlobalExportDataContactProvider.class);
final EntityManager em = injector.getInstance(EntityManager.class);
Integer organizationId = Integer.parseInt(requireParameter(RequestParameter.ID));
// data version
final String versionStr = requireParameter(RequestParameter.VERSION);
final ExportUtils.ExportDataVersion version = ExportUtils.ExportDataVersion.valueOfOrNull(versionStr);
switch (version) {
case LIVE_DATA: {
try {
exportData = dataProvider.generateGlobalExportData(organizationId, em, getI18ntranslator(), getLanguage(), getContext());
} catch (Exception e) {
LOG.error("[export] Failed to generate global export data.", e);
throw new Exception("Failed to generate global export data.");
}
}
break;
case BACKED_UP_DATA: {
Integer globalExportId = Integer.parseInt(requireParameter(RequestParameter.GLOBAL_EXPORT_ID));
exportData = dataProvider.getBackedupGlobalExportData(em, globalExportId);
}
break;
}
return new GlobalExportData(exportData);
}
}