Examples with ExportPointInfo com.serotonin.m2m2.vo.export.ExportPointInfo used on opensource projects

Example 6 with ExportPointInfo

use of com.serotonin.m2m2.vo.export.ExportPointInfo in project ma-core-public by infiniteautomation.

the class ChartExportServlet method exportCsv.

/**
 * Do the export as a CSV File
 * @param response
 * @param from
 * @param to
 * @param def
 * @param user
 * @throws IOException
 */
private void exportCsv(HttpServletRequest request, HttpServletResponse response, long from, long to, DataExportDefinition def, User user) throws IOException {
    DataPointDao dataPointDao = DataPointDao.instance;
    PointValueDao pointValueDao = Common.databaseProxy.newPointValueDao();
    // Stream the content.
    response.setContentType("text/csv");
    final Translations translations = Common.getTranslations();
    final ExportCsvStreamer exportCreator = new ExportCsvStreamer(request.getServerName(), request.getLocalPort(), response.getWriter(), translations);
    final ExportDataValue edv = new ExportDataValue();
    MappedRowCallback<PointValueTime> callback = new MappedRowCallback<PointValueTime>() {

        @Override
        public void row(PointValueTime pvt, int rowIndex) {
            edv.setValue(pvt.getValue());
            edv.setTime(pvt.getTime());
            if (pvt instanceof AnnotatedPointValueTime)
                edv.setAnnotation(((AnnotatedPointValueTime) pvt).getSourceMessage());
            else
                edv.setAnnotation(null);
            exportCreator.pointData(edv);
        }
    };
    for (int pointId : def.getPointIds()) {
        DataPointVO dp = dataPointDao.getDataPoint(pointId, false);
        if (Permissions.hasDataPointReadPermission(user, dp)) {
            ExportPointInfo pointInfo = new ExportPointInfo();
            pointInfo.setXid(dp.getXid());
            pointInfo.setPointName(dp.getName());
            pointInfo.setDeviceName(dp.getDeviceName());
            pointInfo.setTextRenderer(dp.getTextRenderer());
            pointInfo.setDataPointId(pointId);
            exportCreator.startPoint(pointInfo);
            pointValueDao.getPointValuesBetween(pointId, from, to, callback);
        }
    }
    exportCreator.done();
}