if (cacheReadEnable) {
final Query q = ds.find(Cache.class);
q.filter("cacheKey", cacheKey).filter("servletName", this.getClass().getName());
final Cache c = (Cache) q.get();
if (c == null) {
log.info("cacheKey:" + cacheKey + " on servletName: " + this.getClass().getName() + " not found");
}
if (c != null) {
final GridFSDBFile imageForOutput = MongoConnectionHelper.getGridFS().findOne(new ObjectId(c.getGridId()));
if (imageForOutput != null) {
ds.save(c);
try {
response.setHeader("Content-Length", "" + imageForOutput.getLength());
response.setHeader("Content-Disposition", "inline; filename=\"" + imageForOutput.getFilename() + "\"");
final OutputStream out = response.getOutputStream();
final InputStream in = imageForOutput.getInputStream();
final byte[] content = new byte[(int) imageForOutput.getLength()];
in.read(content);
out.write(content);
in.close();
out.close();
return;
} catch (Exception e) {
log.error(e);
}
} else {
log.error("file not in db");
}
}
}
final String formatIn = getFormatIn(period);
final String formatOut = getFormatOut(period);
final Query q = ds.createQuery(MapReduceMinMax.class).disableValidation();
final Date dFrom = DateTimeUtil.getDate("yyyy-MM-dd hh:mm:ss", from);
final Date dTo = DateTimeUtil.getDate("yyyy-MM-dd hh:mm:ss", to);
final List<Date> datesIn = getRangeDate(dFrom, dTo);
final HashSet<String> datesInString = new HashSet<String>();
for (Date d : datesIn) {
datesInString.add(DateTimeUtil.dateFormat(formatIn, d));
}
if (datesIn != null && !datesIn.isEmpty()) {
q.filter("_id in", datesInString);
}
q.order("_id");
final List<MapReduceMinMax> mapReduceResult = q.asList();
final TimeSeries serieMin = new TimeSeries("Min");
final TimeSeries serieMax = new TimeSeries("Max");
for (MapReduceMinMax m : mapReduceResult) {
try {
final Date tmpDate = DateTimeUtil.getDate(formatIn, m.getId().toString());
if (tmpDate == null) {
continue;
}
final Millisecond t = new Millisecond(tmpDate);
ChartEnumMinMaxHelper chartEnum = ChartEnumMinMaxHelper.getByFieldAndType(field, "min");
Method method = m.getClass().getMethod(chartEnum.getMethod());
Number n = (Number) method.invoke(m);
serieMin.add(t, n);
chartEnum = ChartEnumMinMaxHelper.getByFieldAndType(field, "max");
method = m.getClass().getMethod(chartEnum.getMethod());
n = (Number) method.invoke(m);
serieMax.add(t, n);
} catch (IllegalAccessException ex) {
log.error(ex);
} catch (IllegalArgumentException ex) {
log.error(ex);
} catch (InvocationTargetException ex) {
log.error(ex);
} catch (NoSuchMethodException ex) {
log.error(ex);
} catch (SecurityException ex) {
log.error(ex);
}
}
final ChartEnumMinMaxHelper chartData = ChartEnumMinMaxHelper.getByFieldAndType(field, "min");
final TimeSeriesCollection dataset = new TimeSeriesCollection();
dataset.addSeries(serieMin);
dataset.addSeries(serieMax);
final JFreeChart chart = ChartFactory.createTimeSeriesChart("Max/Min", "", chartData.getUm(), dataset, true, false, false);
final XYPlot plot = (XYPlot) chart.getPlot();
final DateAxis axis = (DateAxis) plot.getDomainAxis();
axis.setDateFormatOverride(new SimpleDateFormat(formatOut));
axis.setVerticalTickLabels(true);
if (field.toUpperCase().indexOf("PRESSURE") != -1) {
plot.getRangeAxis().setRange(chartPressureMin, chartPressureMax);
}
final File f = File.createTempFile("mbmeteo", ".jpg");
ChartUtilities.saveChartAsJPEG(f, chart, dimx, dimy);
try {
if (cacheWriteEnable) {
final GridFSInputFile gfsFile = MongoConnectionHelper.getGridFS().createFile(f);
gfsFile.setFilename(f.getName());
gfsFile.save();
final Cache c = new Cache();
c.setServletName(this.getClass().getName());
c.setCacheKey(cacheKey);
c.setGridId(gfsFile.getId().toString());
ds.save(c);
}