Mercurial > dive4elements > river

comparison artifacts/src/main/java/org/dive4elements/river/exports/ChartExportHelper.java @ 9106:ffd4e2b0381c

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Added metadata subtitle to all chart export.
author gernotbelger
date Tue, 29 May 2018 11:38:13 +0200
parents 5e38e2924c07
children 431f1c269be5
comparison
equal deleted inserted replaced
9105:ae3565385e6a 9106:ffd4e2b0381c
24 24
25 import java.io.IOException; 25 import java.io.IOException;
26 import java.io.OutputStream; 26 import java.io.OutputStream;
27 import java.io.OutputStreamWriter; 27 import java.io.OutputStreamWriter;
28 import java.io.UnsupportedEncodingException; 28 import java.io.UnsupportedEncodingException;
29 29 import java.text.DateFormat;
30 import java.text.NumberFormat; 30 import java.text.NumberFormat;
31 import java.util.Date;
32 import java.util.Locale;
31 import java.util.Map; 33 import java.util.Map;
32 34
33 import org.jfree.chart.ChartRenderingInfo; 35 import org.jfree.chart.ChartRenderingInfo;
34 36
35 import javax.imageio.ImageIO; 37 import javax.imageio.ImageIO;
42 import org.apache.log4j.Logger; 44 import org.apache.log4j.Logger;
43 45
44 import org.jfree.chart.JFreeChart; 46 import org.jfree.chart.JFreeChart;
45 import org.jfree.chart.plot.XYPlot; 47 import org.jfree.chart.plot.XYPlot;
46 import org.jfree.data.xy.XYDataset; 48 import org.jfree.data.xy.XYDataset;
47 49 import org.dive4elements.artifacts.Artifact;
48 import org.dive4elements.artifacts.CallContext; 50 import org.dive4elements.artifacts.CallContext;
49 51
50 import org.dive4elements.artifacts.common.utils.XMLUtils; 52 import org.dive4elements.artifacts.common.utils.XMLUtils;
51 53 import org.dive4elements.river.FLYS;
54 import org.dive4elements.river.artifacts.resources.Resources;
55 import org.dive4elements.river.artifacts.sinfo.util.CalculationUtils;
52 import org.dive4elements.river.jfree.XYMetaSeriesCollection; 56 import org.dive4elements.river.jfree.XYMetaSeriesCollection;
53 import org.dive4elements.river.utils.Formatter; 57 import org.dive4elements.river.utils.Formatter;
54 58
55 59
56 /** 60 /**
299 OutputStream out, 303 OutputStream out,
300 JFreeChart chart, 304 JFreeChart chart,
301 CallContext context) 305 CallContext context)
302 { 306 {
303 log.debug("export chart as CSV"); 307 log.debug("export chart as CSV");
304 CSVWriter writer = null; 308
305 try { 309 try {
306 writer = new CSVWriter( 310 // FIXME: decide: to BOM or not to BOM
311 // final byte[] BOM = new byte[] {(byte)0xEF, (byte)0xBB, (byte)0xBF};
312 // out.write(BOM);
313
314 final CSVWriter writer = new CSVWriter(
307 new OutputStreamWriter( 315 new OutputStreamWriter(
308 out, 316 out,
309 DEFAULT_ENCODING), 317 DEFAULT_ENCODING),
310 DEFAULT_CSV_SEPARATOR, '"', '\\', "\r\n"); 318 DEFAULT_CSV_SEPARATOR, '"', '\\', "\r\n");
319
320 NumberFormat format = Formatter.getCSVFormatter(context);
321
322 XYPlot plot = chart.getXYPlot();
323 int count = plot.getDatasetCount();
324 for (int i = 0; i < count; i++) {
325 XYDataset data = plot.getDataset(i);
326 int scount = data.getSeriesCount();
327 for (int j = 0; j < scount; j++) {
328 Comparable seriesKey = data.getSeriesKey(j);
329 log.debug("series key: " + seriesKey.toString());
330 Map<String, String> metaData = null;
331 if (data instanceof XYMetaSeriesCollection) {
332 metaData = ((XYMetaSeriesCollection) data).getMetaData();
333 }
334 writeCSVHeader(writer, seriesKey.toString(), metaData);
335 writeCSVData(writer, data, format);
336 }
337 }
338 writer.close();
311 } 339 }
312 catch(UnsupportedEncodingException uee) { 340 catch(UnsupportedEncodingException uee) {
313 log.warn("Wrong encoding for CSV export."); 341 log.warn("Wrong encoding for CSV export.");
314 return; 342 return;
315 }
316
317 NumberFormat format = Formatter.getCSVFormatter(context);
318
319 XYPlot plot = chart.getXYPlot();
320 int count = plot.getDatasetCount();
321 for (int i = 0; i < count; i++) {
322 XYDataset data = plot.getDataset(i);
323 int scount = data.getSeriesCount();
324 for (int j = 0; j < scount; j++) {
325 Comparable seriesKey = data.getSeriesKey(j);
326 log.debug("series key: " + seriesKey.toString());
327 Map<String, String> metaData = null;
328 if (data instanceof XYMetaSeriesCollection) {
329 metaData = ((XYMetaSeriesCollection) data).getMetaData();
330 }
331 writeCSVHeader(writer, seriesKey.toString(), metaData);
332 writeCSVData(writer, data, format);
333 }
334 }
335 try {
336 writer.close();
337 } 343 }
338 catch(IOException ioe) { 344 catch(IOException ioe) {
339 log.error("Writing CSV export failed!"); 345 log.error("Writing CSV export failed!");
340 } 346 }
341 } 347 }
443 * 449 *
444 * @return an array that contains the anchor for a chart with the given 450 * @return an array that contains the anchor for a chart with the given
445 * parameters. The first value is the x point, the second value is the y 451 * parameters. The first value is the x point, the second value is the y
446 * point. 452 * point.
447 */ 453 */
448 public static double[] getCenteredAnchor( 454 private static double[] getCenteredAnchor(
449 double mLeft, double mRight, double mBottom, double mTop, 455 double mLeft, double mRight, double mBottom, double mTop,
450 double width, double height, 456 double width, double height,
451 double chartWidth, double chartHeight 457 double chartWidth, double chartHeight
452 ) { 458 ) {
453 if (log.isDebugEnabled()) { 459 if (log.isDebugEnabled()) {
478 log.debug("==> centered top origin: " + origin[1]); 484 log.debug("==> centered top origin: " + origin[1]);
479 } 485 }
480 486
481 return origin; 487 return origin;
482 } 488 }
489
490
491 public static String createMetadataSubtitle(Artifact artifact, final CallContext context, final String riverName) {
492
493 final String version = FLYS.VERSION;
494 final String user = CalculationUtils.findArtifactUser(context, artifact);
495 final Locale locale = Resources.getLocale(context.getMeta());
496 final DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale);
497 final String dateText = df.format(new Date());
498
499 return Resources.getMsg(context.getMeta(), "chart.subtitle.metadata", "default", version, user, dateText, riverName);
500 }
483 } 501 }
484 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : 502 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
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