Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/common/MetaAndTableJRDataSource.java @ 9150:23945061daec
gigantic refactoring: exporter, result, results
to support multiple jaspers -> collisions
author | gernotbelger |
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date | Thu, 14 Jun 2018 16:56:31 +0200 |
parents | e6b63b2b41b9 |
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rev | line source |
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8854 | 1 /* Copyright (C) 2017 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by |
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3 * Björnsen Beratende Ingenieure GmbH |
8854 | 4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt |
5 * | |
6 * This file is Free Software under the GNU AGPL (>=v3) | |
7 * and comes with ABSOLUTELY NO WARRANTY! Check out the | |
8 * documentation coming with Dive4Elements River for details. | |
9 */ | |
9005 | 10 package org.dive4elements.river.artifacts.common; |
8854 | 11 |
12 import java.util.ArrayList; | |
13 import java.util.HashMap; | |
14 import java.util.List; | |
15 import java.util.Map; | |
16 | |
17 import net.sf.jasperreports.engine.JRDataSource; | |
18 import net.sf.jasperreports.engine.JRException; | |
19 import net.sf.jasperreports.engine.JRField; | |
20 | |
21 /** | |
22 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> | |
23 */ | |
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24 public final class MetaAndTableJRDataSource implements JRDataSource { |
8854 | 25 |
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26 private final List<String[]> data = new ArrayList<>(); |
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27 |
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28 private final Map<String, Object> metaData = new HashMap<>(); |
8854 | 29 |
30 private int index = -1; | |
31 | |
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32 public void addData(final String[] row) { |
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33 this.data.add(row); |
8854 | 34 } |
35 | |
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36 public void addMetaData(final String key, final Object value) { |
8854 | 37 this.metaData.put(key, value); |
38 } | |
39 | |
40 @Override | |
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41 public boolean next() throws JRException { |
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42 this.index++; |
8854 | 43 |
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44 return this.index < this.data.size(); |
8854 | 45 } |
46 | |
47 @Override | |
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48 public Object getFieldValue(final JRField field) throws JRException { |
8854 | 49 final String fieldName = field.getName(); |
50 | |
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51 if (fieldName.startsWith("meta:")) |
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52 return this.metaData.get(fieldName.substring("meta:".length())); |
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53 |
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54 if (fieldName.startsWith("data:")) { |
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55 final int column = Integer.valueOf(fieldName.substring("data:".length())); |
9145 | 56 if (column >= this.data.get(this.index).length) |
57 return null; | |
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58 return this.data.get(this.index)[column]; |
8854 | 59 } |
60 return null; | |
61 } | |
9005 | 62 |
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63 public JRDataSource withPagePageOffsets(final Integer startpageoffset, final Integer totalpages) { |
9005 | 64 |
65 final MetaAndTableJRDataSource newSource = new MetaAndTableJRDataSource(); | |
66 newSource.data.addAll(this.data); | |
67 newSource.metaData.putAll(this.metaData); | |
68 | |
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69 newSource.addMetaData("startpageoffset", startpageoffset); |
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70 newSource.addMetaData("totalpages", totalpages); |
9005 | 71 |
72 return newSource; | |
73 } | |
8854 | 74 } |