Mercurial > dive4elements > river

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

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(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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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Sascha L. Teichmann <teichmann@intevation.de>
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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 org.dive4elements.artifactdatabase.DefaultService;
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12
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13 import org.dive4elements.artifacts.CallMeta;
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14 import org.dive4elements.artifacts.GlobalContext;
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15 import org.dive4elements.artifacts.Service;
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16
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17 import org.dive4elements.river.artifacts.model.SQOverview;
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18 import org.dive4elements.river.artifacts.model.SQOverviewFactory;
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19
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20 import org.dive4elements.river.artifacts.resources.Resources;
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21
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22 import org.dive4elements.river.backend.SedDBSessionHolder;
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23
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24 import org.dive4elements.river.utils.KMIndex;
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25
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26 import java.awt.Color;
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27 import java.awt.Dimension;
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28 import java.awt.Transparency;
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29
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30 import java.awt.image.BufferedImage;
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31
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32 import java.io.ByteArrayOutputStream;
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33 import java.io.IOException;
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34
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35 import java.util.Date;
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36 import java.util.List;
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37
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38 import javax.imageio.ImageIO;
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39
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40 import org.apache.log4j.Logger;
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41
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42 import org.jfree.chart.ChartFactory;
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43 import org.jfree.chart.JFreeChart;
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44
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45 import org.jfree.chart.axis.DateAxis;
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46
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47 import org.jfree.chart.plot.PlotOrientation;
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48 import org.jfree.chart.plot.XYPlot;
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49
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50 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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51
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52 import org.jfree.data.xy.XYSeries;
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53 import org.jfree.data.xy.XYSeriesCollection;
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54
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55 import org.w3c.dom.Document;
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56 import org.w3c.dom.Element;
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57 import org.w3c.dom.NodeList;
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58
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59 public class SQKMChartService
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60 extends DefaultService {
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61
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62 private static final Logger log =
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63 Logger.getLogger(SQKMChartService.class);
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64
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65 public static final int DEFAULT_WIDTH = 240;
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66 public static final int DEFAULT_HEIGHT = 180;
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67
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68 public static final String I18N_CHART_LABEL =
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69 "sq.km.chart.label";
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70
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71 public static final String DEFAULT_CHART_LABEL =
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72 "Measuring Points";
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73
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74 public static final String I18N_CHART_TITLE =
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75 "sq.km.chart.title";
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76
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77 public static final String DEFAULT_CHART_TITLE =
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78 "Measuring points";
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79
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80 public static final String I18N_KM_AXIS =
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81 "sq.km.chart.km.axis";
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82
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83 public static final String DEFAULT_KM_AXIS =
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84 "km";
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85
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86 public static final String I18N_DATE_AXIS =
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87 "sq.km.chart.date.axis";
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88
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89 public static final String DEFAULT_DATE_AXIS =
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90 "Date";
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91
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92 public static final String DEFAULT_FORMAT = "png";
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93
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94 // TODO: Load fancy image from resources.
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95 public static final byte [] EMPTY = {
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96 (byte)0x89, (byte)0x50, (byte)0x4e, (byte)0x47,
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97 (byte)0x0d, (byte)0x0a, (byte)0x1a, (byte)0x0a,
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98 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x0d,
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99 (byte)0x49, (byte)0x48, (byte)0x44, (byte)0x52,
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100 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01,
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101 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01,
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102 (byte)0x08, (byte)0x00, (byte)0x00, (byte)0x00,
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103 (byte)0x00, (byte)0x3a, (byte)0x7e, (byte)0x9b,
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104 (byte)0x55, (byte)0x00, (byte)0x00, (byte)0x00,
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105 (byte)0x01, (byte)0x73, (byte)0x52, (byte)0x47,
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106 (byte)0x42, (byte)0x00, (byte)0xae, (byte)0xce,
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107 (byte)0x1c, (byte)0xe9, (byte)0x00, (byte)0x00,
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108 (byte)0x00, (byte)0x09, (byte)0x70, (byte)0x48,
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109 (byte)0x59, (byte)0x73, (byte)0x00, (byte)0x00,
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110 (byte)0x0b, (byte)0x13, (byte)0x00, (byte)0x00,
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111 (byte)0x0b, (byte)0x13, (byte)0x01, (byte)0x00,
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112 (byte)0x9a, (byte)0x9c, (byte)0x18, (byte)0x00,
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113 (byte)0x00, (byte)0x00, (byte)0x07, (byte)0x74,
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114 (byte)0x49, (byte)0x4d, (byte)0x45, (byte)0x07,
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115 (byte)0xdc, (byte)0x04, (byte)0x04, (byte)0x10,
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116 (byte)0x30, (byte)0x15, (byte)0x7d, (byte)0x77,
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117 (byte)0x36, (byte)0x0b, (byte)0x00, (byte)0x00,
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118 (byte)0x00, (byte)0x08, (byte)0x74, (byte)0x45,
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119 (byte)0x58, (byte)0x74, (byte)0x43, (byte)0x6f,
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120 (byte)0x6d, (byte)0x6d, (byte)0x65, (byte)0x6e,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
121 (byte)0x74, (byte)0x00, (byte)0xf6, (byte)0xcc,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
122 (byte)0x96, (byte)0xbf, (byte)0x00, (byte)0x00,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
123 (byte)0x00, (byte)0x0a, (byte)0x49, (byte)0x44,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
124 (byte)0x41, (byte)0x54, (byte)0x08, (byte)0xd7,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
125 (byte)0x63, (byte)0xf8, (byte)0x0f, (byte)0x00,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
126 (byte)0x01, (byte)0x01, (byte)0x01, (byte)0x00,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
127 (byte)0x1b, (byte)0xb6, (byte)0xee, (byte)0x56,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
128 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
129 (byte)0x49, (byte)0x45, (byte)0x4e, (byte)0x44,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
130 (byte)0xae, (byte)0x42, (byte)0x60, (byte)0x82
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
131 };
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
132
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
133 private static final Output empty() {
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
134 return new Output(EMPTY, "image/png");
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
135 }
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
136
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
137 @Override
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
138 public Service.Output process(
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
139 Document data,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
140 GlobalContext globalContext,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
141 CallMeta callMeta
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
142 ) {
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
143 log.debug("SQKMChartService.process");
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
144
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
145 SedDBSessionHolder.acquire();
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
146 try {
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
147 return doProcess(data, globalContext, callMeta);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
148 }
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
149 finally {
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
150 SedDBSessionHolder.release();
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
151 }
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
152 }
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
153
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
154 protected Service.Output doProcess(
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
155 Document input,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
156 GlobalContext globalContext,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
157 CallMeta callMeta
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
158 ) {
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
159 String river = getRiverName(input);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
160 Dimension extent = getExtent(input);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
161 String format = getFormat(input);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
162
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
163 if (river == null) {
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
164 log.warn("River invalid.");
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
165 return empty();
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
166 }
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
167
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
168 SQOverview overview = SQOverviewFactory.getOverview(river);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
169
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
170 if (overview == null) {
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
171 log.warn("No overview found for river '" + river + "'");
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
172 return empty();
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
173 }
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
174
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
175 KMIndex<List<Date>> entries = overview.filter(SQOverview.ACCEPT);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
176
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
177 JFreeChart chart = createChart(entries, river, callMeta);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
178
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
179 return encode(chart, extent, format);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
180 }
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
181
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
182 protected static Output encode(
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
183 JFreeChart chart,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
184 Dimension extent,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
185 String format
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
186 ) {
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
187 BufferedImage image = chart.createBufferedImage(
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
188 extent.width, extent.height,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
189 Transparency.BITMASK,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
190 null);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
191
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
192 ByteArrayOutputStream out = new ByteArrayOutputStream();
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
193
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
194 try {
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
195 ImageIO.write(image, format, out);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
196 }
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
197 catch (IOException ioe) {
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
198 log.warn("writing image failed", ioe);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
199 return empty();
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
200 }
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
201
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
202 return new Output(out.toByteArray(), "image/" + format);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
203 }
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
204
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
205 protected static JFreeChart createChart(
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
206 KMIndex<List<Date>> entries,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
207 String river,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
208 CallMeta callMeta
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
209 ) {
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
210
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
211 XYSeriesCollection dataset = new XYSeriesCollection();
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
212 String key = Resources.format(
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
213 callMeta, I18N_CHART_LABEL, DEFAULT_CHART_LABEL, river);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
214
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
215 XYSeries series = new XYSeries(key);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
216 for (KMIndex.Entry<List<Date>> e: entries) {
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
217 double km = e.getKm();
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
218 List<Date> ds = e.getValue();
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
219 for (Date d: ds) {
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
220 series.add(km, d.getTime());
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
221 }
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
222 }
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
223
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
224 dataset.addSeries(series);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
225 String title = Resources.format(
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
226 callMeta, I18N_CHART_TITLE, DEFAULT_CHART_TITLE, river);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
227
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
228 String kmAxis = Resources.getMsg(
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
229 callMeta, I18N_KM_AXIS, DEFAULT_KM_AXIS);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
230
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
231 String dateAxis = Resources.getMsg(
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
232 callMeta, I18N_DATE_AXIS, DEFAULT_DATE_AXIS);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
233
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
234 JFreeChart chart = ChartFactory.createXYLineChart(
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
235 title,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
236 kmAxis,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
237 dateAxis,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
238 null,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
239 PlotOrientation.VERTICAL,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
240 true,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
241 true,
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
242 false);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
243
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
244 XYPlot plot = (XYPlot)chart.getPlot();
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
245
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
246 DateAxis dA = new DateAxis();
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
247 plot.setRangeAxis(dA);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
248 plot.setDataset(0, dataset);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
249
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
250 chart.setBackgroundPaint(Color.white);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
251 plot.setBackgroundPaint(Color.white);
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
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252 plot.setDomainGridlinePaint(Color.gray);
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253 plot.setRangeGridlinePaint(Color.gray);
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254 plot.setDomainGridlinesVisible(true);
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255 plot.setRangeGridlinesVisible(true);
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256 XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) plot.getRenderer();
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257
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258 renderer.setSeriesPaint(0, Color.gray);
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259 renderer.setSeriesLinesVisible(0, false);
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260 renderer.setSeriesShapesVisible(0, true);
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261 renderer.setDrawOutlines(true);
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262 return chart;
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263 }
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264
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265
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266 protected static String getRiverName(Document input) {
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267 NodeList rivers = input.getElementsByTagName("river");
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268
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269 if (rivers.getLength() == 0) {
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270 return null;
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271 }
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272
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273 String river = ((Element)rivers.item(0)).getAttribute("name");
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274
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275 return river.length() > 0 ? river : null;
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276 }
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277
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278 protected static Dimension getExtent(Document input) {
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279
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280 int width = DEFAULT_WIDTH;
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281 int height = DEFAULT_HEIGHT;
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282
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283 NodeList extents = input.getElementsByTagName("extent");
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284
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285 if (extents.getLength() > 0) {
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286 Element element = (Element)extents.item(0);
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287 String w = element.getAttribute("width");
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288 String h = element.getAttribute("height");
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289
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290 try {
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291 width = Math.max(1, Integer.parseInt(w));
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292 }
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293 catch (NumberFormatException nfe) {
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294 log.warn("width '" + w + "' is not a valid.");
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295 }
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296
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297 try {
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298 height = Math.max(1, Integer.parseInt(h));
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299 }
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diff changeset
300 catch (NumberFormatException nfe) {
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diff changeset
301 log.warn("height '" + h + "' is not a valid");
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302 }
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diff changeset
303 }
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304
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305 return new Dimension(width, height);
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306 }
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307
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308 protected static String getFormat(Document input) {
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309 String format = DEFAULT_FORMAT;
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310
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311 NodeList formats = input.getElementsByTagName("format");
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312
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313 if (formats.getLength() > 0) {
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314 String type = ((Element)formats.item(0)).getAttribute("type");
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diff changeset
315 if (type.length() > 0) {
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diff changeset
316 format = type;
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diff changeset
317 }
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diff changeset
318 }
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diff changeset
319
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diff changeset
320 return format;
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
321 }
43e42315ce22 Added service for an overview chart of measuring points in sq relation.
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parents:
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322 }
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323 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org