/**
* Performs the export.
*
* @param context the page context
* @param i18n the internationalization package to use.
*/
public void doExport(PageContext context, I18n i18n) {
String filterId = new TopTotalEnqueuesFilter().getFilterId();
RunningJobsInfoDAO dao = RunningJobsInfoDAO.getInstance();
InMemoryFrontierReport report = dao.getFrontierReport(jobId, filterId);
HttpServletResponse resp = (HttpServletResponse) context.getResponse();
resp.setHeader("Content-Type", "text/plain");
resp.setHeader(
"Content-Disposition",
"Attachment; filename=" + filterId + "-" + report.getJobName() + ".csv");
PrintWriter pw;
try {
pw = new PrintWriter(resp.getOutputStream());
} catch (IOException e) {
HTMLUtils.forwardWithErrorMessage(
context, i18n, e, "errorMsg;running.job.details.frontier.exportAsCsv");
throw new ForwardedToErrorPage("Error in frontier report CSV export", e);
}
FrontierReportCsvExport.outputAsCsv(report, pw, ";");
pw.close();
}
@Override
public void run() {
synchronized (gen) {
gen.chartFile = null;
}
long jobId = gen.jobId;
StartedJobInfo[] fullHistory = RunningJobsInfoDAO.getInstance().getFullJobHistory(jobId);
LinkedList<Double> timeValues = new LinkedList<Double>();
LinkedList<Double> progressValues = new LinkedList<Double>();
LinkedList<Double> urlValues = new LinkedList<Double>();
for (StartedJobInfo sji : fullHistory) {
timeValues.add((double) sji.getElapsedSeconds());
progressValues.add(sji.getProgress());
urlValues.add((double) sji.getQueuedFilesCount());
}
// Refresh the history png image for the job.
File pngFile = new File(gen.outputFolder, jobId + "-history.png");
File newPngFile;
try {
newPngFile =
File.createTempFile(jobId + "-history", "." + System.currentTimeMillis() + ".png");
} catch (IOException e) {
LOG.warn("Failed to create temp PNG file for job " + jobId);
return;
}
long startTime = System.currentTimeMillis();
gen.generatePngChart(
newPngFile,
CHART_RESOLUTION[0],
CHART_RESOLUTION[1],
null, // no chart title
I18N.getString(gen.locale, "running.job.details.chart.legend.crawlTime"),
new String[] {
I18N.getString(gen.locale, "running.job.details.chart.legend.progress"),
I18N.getString(gen.locale, "running.job.details.chart.legend.queuedUris")
},
NumberUtils.toPrimitiveArray(timeValues),
new double[][] {new double[] {0, 100}, null},
new double[][] {
NumberUtils.toPrimitiveArray(progressValues), NumberUtils.toPrimitiveArray(urlValues)
},
new Color[] {Color.blue, Color.green.darker()},
new String[] {"%", ""},
false,
Color.lightGray.brighter().brighter());
long genTime = System.currentTimeMillis() - startTime;
LOG.info(
"Generated history chart for job "
+ jobId
+ " in "
+ (genTime < TimeUtils.SECOND_IN_MILLIS
? genTime + " ms"
: StringUtils.formatDuration(genTime / TimeUtils.SECOND_IN_MILLIS))
+ ".");
synchronized (gen) {
// Overwrite old file, then delete temp file
try {
FileUtils.copyFile(newPngFile, pngFile);
FileUtils.remove(newPngFile);
} catch (IOFailure iof) {
LOG.error("IOFailure while copying PNG file", iof);
}
gen.chartFile = pngFile;
}
}
