dive4elements/river: artifacts/src/main/java/org/dive4elements/river/exports/ChartExportHelper.java annotate

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

Added metadata subtitle to all chart export.

author	gernotbelger
date	Tue, 29 May 2018 11:38:13 +0200
parents	5e38e2924c07
children	431f1c269be5

rev	line source
5863 4897a58c8746 River artifacts: Added new copyright headers. Sascha L. Teichmann <teichmann@intevation.de> parents: 5862 diff changeset	1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
4897a58c8746 River artifacts: Added new copyright headers. Sascha L. Teichmann <teichmann@intevation.de> parents: 5862 diff changeset	2 * Software engineering by Intevation GmbH
4897a58c8746 River artifacts: Added new copyright headers. Sascha L. Teichmann <teichmann@intevation.de> parents: 5862 diff changeset	3 *
5994 af13ceeba52a Removed trailing whitespace. Sascha L. Teichmann <teichmann@intevation.de> parents: 5863 diff changeset	4 * This file is Free Software under the GNU AGPL (>=v3)
5863 4897a58c8746 River artifacts: Added new copyright headers. Sascha L. Teichmann <teichmann@intevation.de> parents: 5862 diff changeset	5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
5994 af13ceeba52a Removed trailing whitespace. Sascha L. Teichmann <teichmann@intevation.de> parents: 5863 diff changeset	6 * documentation coming with Dive4Elements River for details.
5863 4897a58c8746 River artifacts: Added new copyright headers. Sascha L. Teichmann <teichmann@intevation.de> parents: 5862 diff changeset	7 */
4897a58c8746 River artifacts: Added new copyright headers. Sascha L. Teichmann <teichmann@intevation.de> parents: 5862 diff changeset	8
5831 bd047b71ab37 Repaired internal references Sascha L. Teichmann <teichmann@intevation.de> parents: 3284 diff changeset	9 package org.dive4elements.river.exports;
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	10
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	11 import com.lowagie.text.Document;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	12 import com.lowagie.text.DocumentException;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	13 import com.lowagie.text.PageSize;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	14 import com.lowagie.text.Rectangle;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	15
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	16 import com.lowagie.text.pdf.PdfContentByte;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	17 import com.lowagie.text.pdf.PdfTemplate;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	18 import com.lowagie.text.pdf.PdfWriter;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	19
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	20 import java.awt.Graphics2D;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	21 import java.awt.Transparency;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	22
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	23 import java.awt.geom.Rectangle2D;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	24
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	25 import java.io.IOException;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	26 import java.io.OutputStream;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	27 import java.io.OutputStreamWriter;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	28 import java.io.UnsupportedEncodingException;
9106 ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	29 import java.text.DateFormat;
7046 50b9959330de issue971: Bring a formatter in (a bad) place. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7045 diff changeset	30 import java.text.NumberFormat;
9106 ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	31 import java.util.Date;
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	32 import java.util.Locale;
7893 56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	33 import java.util.Map;
7046 50b9959330de issue971: Bring a formatter in (a bad) place. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7045 diff changeset	34
1036 e6aff80b59ff Added proof-of-concept collision detection for text annotations. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 714 diff changeset	35 import org.jfree.chart.ChartRenderingInfo;
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	36
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	37 import javax.imageio.ImageIO;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	38
2231 5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	39 import au.com.bytecode.opencsv.CSVWriter;
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	40
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	41 import org.apache.batik.svggen.SVGGraphics2D;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	42 import org.apache.batik.svggen.SVGGraphics2DIOException;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	43
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	44 import org.apache.log4j.Logger;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	45
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	46 import org.jfree.chart.JFreeChart;
2231 5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	47 import org.jfree.chart.plot.XYPlot;
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	48 import org.jfree.data.xy.XYDataset;
9106 ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	49 import org.dive4elements.artifacts.Artifact;
5831 bd047b71ab37 Repaired internal references Sascha L. Teichmann <teichmann@intevation.de> parents: 3284 diff changeset	50 import org.dive4elements.artifacts.CallContext;
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	51
5831 bd047b71ab37 Repaired internal references Sascha L. Teichmann <teichmann@intevation.de> parents: 3284 diff changeset	52 import org.dive4elements.artifacts.common.utils.XMLUtils;
9106 ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	53 import org.dive4elements.river.FLYS;
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	54 import org.dive4elements.river.artifacts.resources.Resources;
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	55 import org.dive4elements.river.artifacts.sinfo.util.CalculationUtils;
7893 56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	56 import org.dive4elements.river.jfree.XYMetaSeriesCollection;
7046 50b9959330de issue971: Bring a formatter in (a bad) place. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7045 diff changeset	57 import org.dive4elements.river.utils.Formatter;
50b9959330de issue971: Bring a formatter in (a bad) place. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7045 diff changeset	58
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	59
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	60 /**
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	61 * This class is a helper class which supports some methods to export charts
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	62 * into specific formats.
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	63 *
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	64 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	65 */
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	66 public class ChartExportHelper {
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	67
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	68 public static final String FORMAT_PNG = "png";
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	69
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	70 public static final String FORMAT_PDF = "pdf";
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	71
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	72 public static final String FORMAT_SVG = "svg";
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	73
2231 5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	74 public static final String FORMAT_CSV = "csv";
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	75
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	76 /**
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	77 * Constant field to define A4 as default page size.
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	78 */
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	79 public static final String DEFAULT_PAGE_SIZE = "A4";
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	80
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	81 /**
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	82 * Constant field to define UTF-8 as default encoding.
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	83 */
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	84 public static final String DEFAULT_ENCODING = "UTF-8";
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	85
2231 5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	86 /** The default separator for the CSV export. */
7045 1f6c0915a58d issue971: Use ";" as CSV separator also in ChartExportHelper, with the Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 5994 diff changeset	87 public static final char DEFAULT_CSV_SEPARATOR = ';';
2231 5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	88
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	89
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	90 /**
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	91 * Logger used for logging with log4j.
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	92 */
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	93 private static Logger log = Logger.getLogger(ChartExportHelper.class);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	94
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	95
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	96 /**
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	97 * A method to export a <code>JFreeChart</code> as image to an
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	98 * <code>OutputStream</code> with a given format, width and height.
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	99 *
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	100 * @param out OutputStream
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	101 * @param chart JFreeChart object to be exported.
3270 4ac581062c40 Fix various documentation issues. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 2231 diff changeset	102 * @param cc context, in which e.g. size is stored.
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	103 *
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	104 * @throws IOException if writing image to OutputStream failed.
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	105 */
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	106 public static void exportImage(
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	107 OutputStream out,
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	108 JFreeChart chart,
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	109 CallContext cc
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	110 )
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	111 throws IOException
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	112 {
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	113 log.info("export chart as png");
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	114
1036 e6aff80b59ff Added proof-of-concept collision detection for text annotations. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 714 diff changeset	115 ChartRenderingInfo info = new ChartRenderingInfo();
e6aff80b59ff Added proof-of-concept collision detection for text annotations. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 714 diff changeset	116
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	117 String format = (String) cc.getContextValue("chart.image.format");
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	118
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	119 int[] size = getSize(cc);
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	120
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	121 ImageIO.write(
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	122 chart.createBufferedImage(
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	123 size[0], size[1], Transparency.BITMASK, info
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	124 ),
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	125 format,
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	126 out
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	127 );
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	128 }
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	129
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	130
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	131 /**
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	132 * A method to export a <code>JFreeChart</code> as SVG to an
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	133 * <code>OutputStream</code>.
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	134 *
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	135 * @param out OutputStream
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	136 * @param chart JFreeChart to be exported
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	137 * @param context The CallContext object that contains extra chart
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	138 * parameters.
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	139 */
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	140 public static void exportSVG(
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	141 OutputStream out,
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	142 JFreeChart chart,
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	143 CallContext context
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	144 ) {
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	145 String encoding = (String) context.getContextValue("chart.encoding");
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	146
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	147 log.info("export chart as svg");
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	148
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	149 if (encoding == null)
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	150 encoding = DEFAULT_ENCODING;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	151
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	152 org.w3c.dom.Document document = XMLUtils.newDocument();
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	153 SVGGraphics2D graphics = new SVGGraphics2D(document);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	154
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	155 int[] size = getSize(context);
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	156
2160 8428de5846e8 Employ ChartRenderingInfo when creating svg/pdf exports. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 1735 diff changeset	157 ChartRenderingInfo info = new ChartRenderingInfo();
8428de5846e8 Employ ChartRenderingInfo when creating svg/pdf exports. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 1735 diff changeset	158
8856 5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 8702 diff changeset	159 chart.draw(
5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 8702 diff changeset	160 graphics,
5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 8702 diff changeset	161 new Rectangle2D.Double(0.0D, 0.0D,size[0],size[1]),
5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 8702 diff changeset	162 info);
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	163
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	164 try {
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	165 graphics.stream(new OutputStreamWriter(out, encoding));
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	166 }
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	167 catch (SVGGraphics2DIOException svge) {
8856 5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 8702 diff changeset	168 log.error(
5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 8702 diff changeset	169 "Error while writing svg export to output stream.", svge);
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	170 }
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	171 catch (UnsupportedEncodingException uee) {
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	172 log.error("Unsupported encoding: " + encoding, uee);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	173 }
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	174 }
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	175
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	176
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	177 /**
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	178 * A method to export a <code>JFreeChart</code> as PDF to an
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	179 * <code>OutputStream</code>.
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	180 *
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	181 * @param out OutputStream
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	182 * @param chart JFreeChart
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	183 */
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	184 public static void exportPDF(
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	185 OutputStream out,
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	186 JFreeChart chart,
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	187 CallContext cc
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	188 ) {
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	189 log.info("export chart as pdf.");
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	190
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	191 String pageFormat = (String) cc.getContextValue("chart.page.format");
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	192
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	193 if (pageFormat == null)
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	194 pageFormat = DEFAULT_PAGE_SIZE;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	195
3270 4ac581062c40 Fix various documentation issues. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 2231 diff changeset	196 // Max size of the chart.
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	197 Rectangle page = PageSize.getRectangle(pageFormat);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	198 float pageWidth = page.getWidth();
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	199 float pageHeight = page.getHeight();
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	200
3270 4ac581062c40 Fix various documentation issues. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 2231 diff changeset	201 // The chart width.
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	202 int[] size = getSize(cc);
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	203
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	204 boolean landscape = size[0] > size[1];
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	205
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	206 float width = 0;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	207 float height = 0;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	208 if (landscape) {
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	209 width = pageHeight;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	210 height = pageWidth;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	211 }
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	212 else {
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	213 width = pageWidth;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	214 height = pageHeight;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	215 }
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	216
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	217 float marginLeft = (Float) cc.getContextValue(
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	218 "chart.marginLeft");
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	219
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	220 float marginRight = (Float) cc.getContextValue(
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	221 "chart.marginRight");
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	222
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	223 float marginTop = (Float) cc.getContextValue(
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	224 "chart.marginTop");
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	225
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	226 float marginBottom = (Float) cc.getContextValue(
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	227 "chart.marginBottom");
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	228
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	229 float spaceX = width - marginLeft - marginRight;
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	230 if (size[0] > spaceX) {
8856 5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 8702 diff changeset	231 log.warn(
5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 8702 diff changeset	232 "Width of the chart is too big for pdf -> resize it now.");
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	233 double ratio = ((double)spaceX) / size[0];
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	234 size[0] *= ratio;
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	235 size[1] *= ratio;
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	236 log.debug("Resized chart to " + size[0] + "x" + size[1]);
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	237 }
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	238
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	239 float spaceY = height - marginTop - marginBottom;
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	240 if (size[1] > spaceY) {
8856 5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 8702 diff changeset	241 log.warn(
5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 8702 diff changeset	242 "Height of the chart is too big for pdf -> resize it now.");
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	243 double ratio = ((double)spaceY) / size[1];
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	244 size[0] *= ratio;
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	245 size[1] *= ratio;
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	246 log.debug("Resized chart to " + size[0] + "x" + size[1]);
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	247 }
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	248
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	249 Document document = null;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	250 if (landscape) {
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	251 document = new Document(page.rotate());
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	252 log.debug("Create landscape pdf.");
7700 9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	253 } else {
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	254 document = new Document(page);
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	255 }
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	256
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	257 try {
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	258 PdfWriter writer = PdfWriter.getInstance(document, out);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	259
8856 5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 8702 diff changeset	260 document.addSubject(
5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 8702 diff changeset	261 chart.getTitle() != null ? chart.getTitle().getText() : "");
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	262 document.addCreationDate();
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	263 document.open();
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	264
7700 9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	265 try {
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	266 PdfContentByte content = writer.getDirectContent();
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	267
7700 9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	268 PdfTemplate template = content.createTemplate(width, height);
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	269 Graphics2D graphics = template.createGraphics(width, height);
2160 8428de5846e8 Employ ChartRenderingInfo when creating svg/pdf exports. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 1735 diff changeset	270
7700 9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	271 double[] origin = getCenteredAnchor(
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	272 marginLeft, marginRight, marginBottom, marginTop,
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	273 width, height,
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	274 size[0], size[1]);
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	275
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	276 Rectangle2D area = new Rectangle2D.Double(
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	277 origin[0], origin[1], size[0], size[1]);
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	278
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	279 ChartRenderingInfo info = new ChartRenderingInfo();
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	280
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	281 chart.draw(graphics, area, info);
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	282 graphics.dispose();
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	283 content.addTemplate(template, 0f, 0f);
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	284 }
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	285 finally {
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	286 document.close();
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	287 }
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles Andre Heinecke <aheinecke@intevation.de> parents: 7688 diff changeset	288 } catch (DocumentException de) {
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	289 log.error("Error while exporting chart to pdf.", de);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	290 }
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	291 }
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	292
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	293
2231 5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	294 /**
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	295 * A method to export a CSV file to an
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	296 * <code>OutputStream</code>.
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	297 *
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	298 * @param out OutputStream
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	299 * @param chart JFreeChart containing the data.
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	300 * @param context The CallContext object that contains extra parameters.
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	301 */
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	302 public static void exportCSV(
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	303 OutputStream out,
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	304 JFreeChart chart,
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	305 CallContext context)
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	306 {
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	307 log.debug("export chart as CSV");
9106 ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	308
2231 5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	309 try {
9106 ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	310 // FIXME: decide: to BOM or not to BOM
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	311 // final byte[] BOM = new byte[] {(byte)0xEF, (byte)0xBB, (byte)0xBF};
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	312 // out.write(BOM);
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	313
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	314 final CSVWriter writer = new CSVWriter(
2231 5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	315 new OutputStreamWriter(
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	316 out,
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	317 DEFAULT_ENCODING),
7688 9509359c8db8 (issue1632) Use DOS line endings Andre Heinecke <aheinecke@intevation.de> parents: 7607 diff changeset	318 DEFAULT_CSV_SEPARATOR, '"', '\\', "\r\n");
9106 ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	319
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	320 NumberFormat format = Formatter.getCSVFormatter(context);
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	321
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	322 XYPlot plot = chart.getXYPlot();
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	323 int count = plot.getDatasetCount();
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	324 for (int i = 0; i < count; i++) {
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	325 XYDataset data = plot.getDataset(i);
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	326 int scount = data.getSeriesCount();
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	327 for (int j = 0; j < scount; j++) {
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	328 Comparable seriesKey = data.getSeriesKey(j);
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	329 log.debug("series key: " + seriesKey.toString());
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	330 Map<String, String> metaData = null;
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	331 if (data instanceof XYMetaSeriesCollection) {
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	332 metaData = ((XYMetaSeriesCollection) data).getMetaData();
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	333 }
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	334 writeCSVHeader(writer, seriesKey.toString(), metaData);
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	335 writeCSVData(writer, data, format);
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	336 }
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	337 }
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	338 writer.close();
2231 5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	339 }
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	340 catch(UnsupportedEncodingException uee) {
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	341 log.warn("Wrong encoding for CSV export.");
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	342 return;
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	343 }
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	344 catch(IOException ioe) {
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	345 log.error("Writing CSV export failed!");
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	346 }
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	347 }
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	348
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	349
7893 56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	350 protected static void writeCSVHeader(
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	351 CSVWriter writer,
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	352 String key,
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	353 Map<String, String> metaData)
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	354 {
2231 5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	355 writer.writeNext(new String[] {"#"});
7893 56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	356 if (metaData != null) {
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	357 writer.writeNext(new String[] {"# " + key});
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	358 for (Map.Entry<String, String> entry: metaData.entrySet()) {
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	359 if (entry.getKey().equals("X") \|\| entry.getKey().equals("Y")) {
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	360 continue;
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	361 }
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	362 writer.writeNext(new String[]
7992 03fc4cdb793c Separate meta data key and value by ':'. Raimund Renkert <rrenkert@intevation.de> parents: 7893 diff changeset	363 {"# " + entry.getKey() + ": " + entry.getValue()});
7893 56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	364 }
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	365 writer.writeNext(new String[] {"#"});
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	366 writer.writeNext(new String[] {
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	367 metaData.get("X") != null ? metaData.get("X") : "X",
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	368 metaData.get("Y") != null ? metaData.get("Y") : "Y"});
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	369 }
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	370 else {
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	371 writer.writeNext(new String[] {"# " + key});
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	372 writer.writeNext(new String[] {"#"});
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	373 writer.writeNext(new String[] {"X", "Y"});
56e7e6c18c26 Use the metadata to write csv header when exporting a chart. Raimund Renkert <rrenkert@intevation.de> parents: 7700 diff changeset	374 }
2231 5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	375 }
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	376
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	377
7047 b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7046 diff changeset	378 /** Get x/y data from axis set and write it, on pair per line. */
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7046 diff changeset	379 protected static void writeCSVData(
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7046 diff changeset	380 CSVWriter writer, XYDataset data, NumberFormat format) {
2231 5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	381 int series = data.getSeriesCount();
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	382 for (int i = 0; i < series; i++) {
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	383 int items = data.getItemCount(i);
7607 ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	384 double lastX = java.lang.Double.MAX_VALUE;
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	385 double lastY = java.lang.Double.MAX_VALUE;
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	386
2231 5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	387 for (int j = 0; j < items; j++) {
7607 ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	388 Number x = data.getX(i, j);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	389 Number y = data.getY(i, j);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	390 double xVal = data.getXValue(i, j);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	391 double yVal = data.getYValue(i, j);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	392
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	393 if (lastX == xVal && lastY == yVal) {
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	394 // comparing equality is ok here as we want
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	395 // to find data duplicates like they are added
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	396 // for example by the StyledSeriesBuilder in
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	397 // addStepPointsKmQ
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	398 log.debug("removing duplicate point in series");
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	399 continue;
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	400 }
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	401 lastX = xVal;
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	402 lastY = yVal;
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	403
7094 99527ef3f151 Minor refactoring for 1493. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7047 diff changeset	404 String xString;
99527ef3f151 Minor refactoring for 1493. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7047 diff changeset	405 String yString;
7151 491b645123b6 issue1493: Also transform NaN X values to empty string. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7095 diff changeset	406
7046 50b9959330de issue971: Bring a formatter in (a bad) place. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7045 diff changeset	407 try {
7607 ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	408 xString = java.lang.Double.isNaN(xVal)
7151 491b645123b6 issue1493: Also transform NaN X values to empty string. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7095 diff changeset	409 ? ""
7607 ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	410 : format.format(x);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	411 yString = java.lang.Double.isNaN(yVal)
7095 bdadffad35b1 issue1493: Don't let NaNs slip through csv export. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7094 diff changeset	412 ? ""
7607 ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	413 : format.format(y);
7046 50b9959330de issue971: Bring a formatter in (a bad) place. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7045 diff changeset	414 }
50b9959330de issue971: Bring a formatter in (a bad) place. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7045 diff changeset	415 catch (NumberFormatException nfe) {
7607 ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	416 xString = x.toString();
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export Andre Heinecke <aheinecke@intevation.de> parents: 7151 diff changeset	417 yString = y.toString();
7046 50b9959330de issue971: Bring a formatter in (a bad) place. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7045 diff changeset	418 }
7094 99527ef3f151 Minor refactoring for 1493. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7047 diff changeset	419 writer.writeNext(new String[] {
99527ef3f151 Minor refactoring for 1493. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7047 diff changeset	420 xString,
99527ef3f151 Minor refactoring for 1493. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 7047 diff changeset	421 yString});
2231 5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	422 }
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	423 }
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	424 }
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	425
5648b5b34ae2 Issue 466. Raimund Renkert <raimund.renkert@intevation.de> parents: 2160 diff changeset	426
1735 5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	427 public static int[] getSize(CallContext cc) {
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	428 int[] size = new int[2];
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	429
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	430 size[0] = (Integer) cc.getContextValue("chart.width");
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	431 size[1] = (Integer) cc.getContextValue("chart.height");
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	432
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	433 return size;
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	434 }
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	435
5966a20fc72c Enabled support for PDF and SVG chart exports. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 1036 diff changeset	436
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	437 /**
8856 5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 8702 diff changeset	438 * Returns the anchor of the chart so that the chart is centered
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	439 * according to the given parameters.
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	440 *
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	441 * @param mLeft Left margin
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	442 * @param mRight Right margin
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	443 * @param mBottom Bottom margin
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	444 * @param mTop Top margin
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	445 * @param width The complete width of the drawing area.
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	446 * @param height The complete height of the drawing area.
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	447 * @param chartWidth The width of the chart.
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	448 * @param chartHeight The height of the chart.
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	449 *
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	450 * @return an array that contains the anchor for a chart with the given
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	451 * parameters. The first value is the x point, the second value is the y
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	452 * point.
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	453 */
9106 ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	454 private static double[] getCenteredAnchor(
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	455 double mLeft, double mRight, double mBottom, double mTop,
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	456 double width, double height,
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	457 double chartWidth, double chartHeight
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	458 ) {
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	459 if (log.isDebugEnabled()) {
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	460 log.debug("Calculate centered origin...");
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	461 log.debug("-> PDF width : " + width);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	462 log.debug("-> PDF height : " + height);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	463 log.debug("-> Chart width : " + chartWidth);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	464 log.debug("-> Chart height : " + chartHeight);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	465 log.debug("-> margin left : " + mLeft);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	466 log.debug("-> margin right : " + mRight);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	467 log.debug("-> margin bottom: " + mBottom);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	468 log.debug("-> margin top : " + mTop);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	469 }
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	470
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	471 double[] origin = new double[2];
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	472
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	473 double centerX = width / 2;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	474 double centerY = height / 2;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	475
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	476 origin[0] = centerX - chartWidth / 2;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	477 origin[1] = centerY - chartHeight / 2;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	478
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	479 origin[0] = origin[0] >= mLeft ? origin[0] : mLeft;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	480 origin[1] = origin[1] >= mTop ? origin[1] : mTop;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	481
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	482 if (log.isDebugEnabled()) {
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	483 log.debug("==> centered left origin: " + origin[0]);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	484 log.debug("==> centered top origin: " + origin[1]);
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	485 }
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	486
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	487 return origin;
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	488 }
9106 ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	489
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	490
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	491 public static String createMetadataSubtitle(Artifact artifact, final CallContext context, final String riverName) {
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	492
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	493 final String version = FLYS.VERSION;
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	494 final String user = CalculationUtils.findArtifactUser(context, artifact);
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	495 final Locale locale = Resources.getLocale(context.getMeta());
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	496 final DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale);
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	497 final String dateText = df.format(new Date());
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	498
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	499 return Resources.getMsg(context.getMeta(), "chart.subtitle.metadata", "default", version, user, dateText, riverName);
ffd4e2b0381c Added metadata subtitle to all chart export. gernotbelger parents: 8856 diff changeset	500 }
152 956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	501 }
956445dd601d Added a helper class to export charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	502 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :

Mercurial > dive4elements > river

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