annotate artifacts/src/main/java/org/dive4elements/river/artifacts/services/BedloadKMChartService.java @ 8566:fe7e9da6312a

(issue1797) Move close into session release and guard it. To avoid leaking open and Held sessions we centrally close the session in the SessionHolder on release. This also removes some duplicated code in SedDBSessionHolder
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 24 Feb 2015 17:16:14 +0100
parents af13ceeba52a
children 5e38e2924c07
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.artifacts.services;
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10
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11 import java.awt.Color;
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12 import java.awt.Dimension;
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13 import java.awt.Transparency;
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14 import java.awt.image.BufferedImage;
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15 import java.io.ByteArrayOutputStream;
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16 import java.io.IOException;
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17 import java.util.Date;
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18 import java.util.List;
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19
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20 import javax.imageio.ImageIO;
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21
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22 import org.apache.log4j.Logger;
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23 import org.jfree.chart.ChartFactory;
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24 import org.jfree.chart.JFreeChart;
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25 import org.jfree.chart.axis.DateAxis;
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26 import org.jfree.chart.plot.PlotOrientation;
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27 import org.jfree.chart.plot.XYPlot;
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28 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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29 import org.jfree.data.xy.XYSeries;
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30 import org.jfree.data.xy.XYSeriesCollection;
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31 import org.w3c.dom.Document;
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32 import org.w3c.dom.Element;
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33 import org.w3c.dom.NodeList;
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34
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35 import org.dive4elements.artifactdatabase.DefaultService;
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36 import org.dive4elements.artifacts.CallMeta;
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37 import org.dive4elements.artifacts.GlobalContext;
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38 import org.dive4elements.artifacts.Service;
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39 import org.dive4elements.river.artifacts.model.minfo.BedloadOverview;
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40 import org.dive4elements.river.artifacts.model.minfo.BedloadOverviewFactory;
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41 import org.dive4elements.river.artifacts.resources.Resources;
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42 import org.dive4elements.river.backend.SedDBSessionHolder;
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43 import org.dive4elements.river.utils.KMIndex;
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44
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45 public class BedloadKMChartService extends DefaultService {
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46
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47 private static final long serialVersionUID = 4156704841305086495L;
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48
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49 private static final Logger log =
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50 Logger.getLogger(BedloadKMChartService.class);
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51
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52 public static final int DEFAULT_WIDTH = 240;
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53 public static final int DEFAULT_HEIGHT = 180;
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54
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55 public static final String I18N_CHART_LABEL =
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56 "bedload.km.chart.label";
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57
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58 public static final String DEFAULT_CHART_LABEL =
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59 "Measuring Points";
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60
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61 public static final String I18N_CHART_TITLE =
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62 "bedload.km.chart.title";
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63
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64 public static final String DEFAULT_CHART_TITLE =
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65 "Measuring points";
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66
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67 public static final String I18N_KM_AXIS =
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68 "bedload.km.chart.km.axis";
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69
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70 public static final String DEFAULT_KM_AXIS =
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71 "km";
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72
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73 public static final String I18N_DATE_AXIS =
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74 "bedload.km.chart.date.axis";
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75
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76 public static final String DEFAULT_DATE_AXIS =
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77 "Date";
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78
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79 public static final String DEFAULT_FORMAT = "png";
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80
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81 // TODO: Load fancy image from resources.
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82 public static final byte [] EMPTY = {
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83 (byte)0x89, (byte)0x50, (byte)0x4e, (byte)0x47,
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84 (byte)0x0d, (byte)0x0a, (byte)0x1a, (byte)0x0a,
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85 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x0d,
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86 (byte)0x49, (byte)0x48, (byte)0x44, (byte)0x52,
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87 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01,
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88 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01,
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89 (byte)0x08, (byte)0x00, (byte)0x00, (byte)0x00,
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90 (byte)0x00, (byte)0x3a, (byte)0x7e, (byte)0x9b,
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91 (byte)0x55, (byte)0x00, (byte)0x00, (byte)0x00,
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92 (byte)0x01, (byte)0x73, (byte)0x52, (byte)0x47,
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93 (byte)0x42, (byte)0x00, (byte)0xae, (byte)0xce,
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94 (byte)0x1c, (byte)0xe9, (byte)0x00, (byte)0x00,
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95 (byte)0x00, (byte)0x09, (byte)0x70, (byte)0x48,
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96 (byte)0x59, (byte)0x73, (byte)0x00, (byte)0x00,
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97 (byte)0x0b, (byte)0x13, (byte)0x00, (byte)0x00,
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98 (byte)0x0b, (byte)0x13, (byte)0x01, (byte)0x00,
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99 (byte)0x9a, (byte)0x9c, (byte)0x18, (byte)0x00,
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101 (byte)0x49, (byte)0x4d, (byte)0x45, (byte)0x07,
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103 (byte)0x30, (byte)0x15, (byte)0x7d, (byte)0x77,
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104 (byte)0x36, (byte)0x0b, (byte)0x00, (byte)0x00,
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105 (byte)0x00, (byte)0x08, (byte)0x74, (byte)0x45,
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106 (byte)0x58, (byte)0x74, (byte)0x43, (byte)0x6f,
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107 (byte)0x6d, (byte)0x6d, (byte)0x65, (byte)0x6e,
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108 (byte)0x74, (byte)0x00, (byte)0xf6, (byte)0xcc,
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109 (byte)0x96, (byte)0xbf, (byte)0x00, (byte)0x00,
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110 (byte)0x00, (byte)0x0a, (byte)0x49, (byte)0x44,
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111 (byte)0x41, (byte)0x54, (byte)0x08, (byte)0xd7,
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112 (byte)0x63, (byte)0xf8, (byte)0x0f, (byte)0x00,
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113 (byte)0x01, (byte)0x01, (byte)0x01, (byte)0x00,
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114 (byte)0x1b, (byte)0xb6, (byte)0xee, (byte)0x56,
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115 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
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116 (byte)0x49, (byte)0x45, (byte)0x4e, (byte)0x44,
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117 (byte)0xae, (byte)0x42, (byte)0x60, (byte)0x82
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118 };
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
119
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
120 private static final Output empty() {
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
121 return new Output(EMPTY, "image/png");
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
122 }
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
123
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
124 @Override
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
125 public Service.Output process(
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
126 Document data,
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
127 GlobalContext globalContext,
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
128 CallMeta callMeta
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
129 ) {
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
130 log.debug("SQKMChartService.process");
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
131
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
132 SedDBSessionHolder.acquire();
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
133 try {
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
134 return doProcess(data, globalContext, callMeta);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
135 }
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
136 finally {
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
137 SedDBSessionHolder.release();
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
138 }
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
139 }
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
140
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
141 protected Service.Output doProcess(
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
142 Document input,
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
143 GlobalContext globalContext,
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
144 CallMeta callMeta
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
145 ) {
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
146 String river = getRiverName(input);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
147 Dimension extent = getExtent(input);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
148 String format = getFormat(input);
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
149
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
150 if (river == null) {
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
151 log.warn("River invalid.");
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
152 return empty();
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
153 }
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
154
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
155 BedloadOverview overview = BedloadOverviewFactory.getOverview(river);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
156
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
157 if (overview == null) {
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
158 log.warn("No overview found for river '" + river + "'");
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
159 return empty();
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
160 }
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
161
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
162 KMIndex<List<Date>> entries = overview.filter(BedloadOverview.ACCEPT);
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
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163
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
164 JFreeChart chart = createChart(entries, river, callMeta);
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
165
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
166 return encode(chart, extent, format);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
167 }
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
168
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
169 protected static Output encode(
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
170 JFreeChart chart,
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
171 Dimension extent,
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
172 String format
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
173 ) {
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
174 BufferedImage image = chart.createBufferedImage(
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
175 extent.width, extent.height,
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
176 Transparency.BITMASK,
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
177 null);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
178
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
179 ByteArrayOutputStream out = new ByteArrayOutputStream();
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
180
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
181 try {
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
182 ImageIO.write(image, format, out);
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
183 }
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
184 catch (IOException ioe) {
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
185 log.warn("writing image failed", ioe);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
186 return empty();
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
187 }
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
188
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
189 return new Output(out.toByteArray(), "image/" + format);
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
190 }
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
191
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
192 protected static JFreeChart createChart(
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
193 KMIndex<List<Date>> entries,
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
194 String river,
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
195 CallMeta callMeta
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
196 ) {
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
197
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
198 XYSeriesCollection dataset = new XYSeriesCollection();
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
199 String key = Resources.format(
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
200 callMeta, I18N_CHART_LABEL, DEFAULT_CHART_LABEL, river);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
201
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
202 XYSeries series = new XYSeries(key);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
203 for (KMIndex.Entry<List<Date>> e: entries) {
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
204 double km = e.getKm();
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
205 List<Date> ds = e.getValue();
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
206 for (Date d: ds) {
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
207 series.add(km, d.getTime());
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
208 }
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
209 }
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
210
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
211 dataset.addSeries(series);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
212 String title = Resources.format(
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
213 callMeta, I18N_CHART_TITLE, DEFAULT_CHART_TITLE, river);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
214
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
215 String kmAxis = Resources.getMsg(
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
216 callMeta, I18N_KM_AXIS, DEFAULT_KM_AXIS);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
217
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
218 String dateAxis = Resources.getMsg(
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
219 callMeta, I18N_DATE_AXIS, DEFAULT_DATE_AXIS);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
220
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
221 JFreeChart chart = ChartFactory.createXYLineChart(
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
222 title,
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
223 kmAxis,
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
224 dateAxis,
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
225 null,
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
226 PlotOrientation.VERTICAL,
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
227 true,
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
228 true,
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
229 false);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
230
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
231 XYPlot plot = (XYPlot)chart.getPlot();
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
232
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
233 DateAxis dA = new DateAxis();
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
234 plot.setRangeAxis(dA);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
235 plot.setDataset(0, dataset);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
236
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
237 chart.setBackgroundPaint(Color.white);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
238 plot.setBackgroundPaint(Color.white);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
239 plot.setDomainGridlinePaint(Color.gray);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
240 plot.setRangeGridlinePaint(Color.gray);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
241 plot.setDomainGridlinesVisible(true);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
242 plot.setRangeGridlinesVisible(true);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
243 XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) plot.getRenderer();
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
244
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
245 renderer.setSeriesPaint(0, Color.gray);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
246 renderer.setSeriesLinesVisible(0, false);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
247 renderer.setSeriesShapesVisible(0, true);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
248 renderer.setDrawOutlines(true);
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
249 return chart;
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
250 }
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
251
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
252
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
253 protected static String getRiverName(Document input) {
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
254 NodeList rivers = input.getElementsByTagName("river");
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255
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256 if (rivers.getLength() == 0) {
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257 return null;
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258 }
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259
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260 String river = ((Element)rivers.item(0)).getAttribute("name");
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261
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262 return river.length() > 0 ? river : null;
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263 }
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264
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265 protected static Dimension getExtent(Document input) {
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266
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267 int width = DEFAULT_WIDTH;
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268 int height = DEFAULT_HEIGHT;
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269
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270 NodeList extents = input.getElementsByTagName("extent");
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271
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272 if (extents.getLength() > 0) {
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273 Element element = (Element)extents.item(0);
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274 String w = element.getAttribute("width");
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275 String h = element.getAttribute("height");
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276
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277 try {
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278 width = Math.max(1, Integer.parseInt(w));
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279 }
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280 catch (NumberFormatException nfe) {
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281 log.warn("width '" + w + "' is not a valid.");
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282 }
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283
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284 try {
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285 height = Math.max(1, Integer.parseInt(h));
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286 }
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287 catch (NumberFormatException nfe) {
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288 log.warn("height '" + h + "' is not a valid");
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289 }
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290 }
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291
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292 return new Dimension(width, height);
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293 }
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294
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295 protected static String getFormat(Document input) {
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296 String format = DEFAULT_FORMAT;
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297
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298 NodeList formats = input.getElementsByTagName("format");
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299
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300 if (formats.getLength() > 0) {
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301 String type = ((Element)formats.item(0)).getAttribute("type");
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302 if (type.length() > 0) {
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303 format = type;
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304 }
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305 }
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306
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307 return format;
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308 }
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309 }

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