Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/util/MetaAndTableJRDataSource.java @ 8854:7bbfb24e6eec
SINFO - first prototype of BArt Fließtiefen
| author | gernotbelger |
|---|---|
| date | Thu, 18 Jan 2018 18:34:41 +0100 |
| parents | |
| children | 5d5d482da3e9 |
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| 8853:8c64617a7991 | 8854:7bbfb24e6eec |
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| 1 /* Copyright (C) 2017 by Bundesanstalt für Gewässerkunde | |
| 2 * Software engineering by | |
| 3 * Björnsen Beratende Ingenieure GmbH | |
| 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 */ | |
| 10 package org.dive4elements.river.artifacts.sinfo.util; | |
| 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 */ | |
| 24 public final class MetaAndTableJRDataSource implements JRDataSource | |
| 25 { | |
| 26 private List<String[]> data = new ArrayList<>(); | |
| 27 | |
| 28 private Map<String, String> metaData = new HashMap<>(); | |
| 29 | |
| 30 private int index = -1; | |
| 31 | |
| 32 public void addData(final String[] data) { | |
| 33 this.data.add(data); | |
| 34 } | |
| 35 | |
| 36 public void addMetaData(final String key, final String value) { | |
| 37 this.metaData.put(key, value); | |
| 38 } | |
| 39 | |
| 40 @Override | |
| 41 public boolean next() throws JRException | |
| 42 { | |
| 43 index++; | |
| 44 | |
| 45 return index < data.size(); | |
| 46 } | |
| 47 | |
| 48 @Override | |
| 49 public Object getFieldValue(final JRField field) throws JRException | |
| 50 { | |
| 51 final String fieldName = field.getName(); | |
| 52 | |
| 53 if( fieldName.startsWith("meta:")) | |
| 54 return metaData.get(fieldName.substring("meta:".length())); | |
| 55 | |
| 56 if( fieldName.startsWith("data:")) | |
| 57 { | |
| 58 int column = Integer.valueOf(fieldName.substring("data:".length())); | |
| 59 return data.get(index)[column]; | |
| 60 } | |
| 61 | |
| 62 return null; | |
| 63 } | |
| 64 } |