Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/exports/WaterlevelExporter.java @ 446:c0bec245f608
Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
flys-artifacts/trunk@1938 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Tue, 17 May 2011 16:31:07 +0000 |
| parents | a7947972fdeb |
| children | 5606ba4139e0 |
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| 445:a7947972fdeb | 446:c0bec245f608 |
|---|---|
| 1 package de.intevation.flys.exports; | 1 package de.intevation.flys.exports; |
| 2 | 2 |
| 3 import java.io.IOException; | |
| 3 import java.io.OutputStream; | 4 import java.io.OutputStream; |
| 4 import java.text.NumberFormat; | 5 import java.text.NumberFormat; |
| 5 import java.util.ArrayList; | 6 import java.util.ArrayList; |
| 6 import java.util.List; | 7 import java.util.List; |
| 7 | 8 |
| 26 | 27 |
| 27 /** The logger used in this exporter.*/ | 28 /** The logger used in this exporter.*/ |
| 28 private static Logger logger = Logger.getLogger(WaterlevelExporter.class); | 29 private static Logger logger = Logger.getLogger(WaterlevelExporter.class); |
| 29 | 30 |
| 30 | 31 |
| 32 public static final String FACET_WST = "wst"; | |
| 33 | |
| 34 | |
| 31 public static final String CSV_KM_HEADER = | 35 public static final String CSV_KM_HEADER = |
| 32 "export.waterlevel.csv.header.km"; | 36 "export.waterlevel.csv.header.km"; |
| 33 | 37 |
| 34 public static final String CSV_W_HEADER = | 38 public static final String CSV_W_HEADER = |
| 35 "export.waterlevel.csv.header.w"; | 39 "export.waterlevel.csv.header.w"; |
| 50 logger.debug("WaterlevelExporter.init"); | 54 logger.debug("WaterlevelExporter.init"); |
| 51 | 55 |
| 52 super.init(request, out, context); | 56 super.init(request, out, context); |
| 53 | 57 |
| 54 this.data = new ArrayList<WQKms[]>(); | 58 this.data = new ArrayList<WQKms[]>(); |
| 59 } | |
| 60 | |
| 61 | |
| 62 @Override | |
| 63 public void generate() | |
| 64 throws IOException | |
| 65 { | |
| 66 logger.debug("WaterlevelExporter.generate"); | |
| 67 | |
| 68 if (facet != null && facet.equals(AbstractExporter.FACET_CSV)) { | |
| 69 generateCSV(); | |
| 70 } | |
| 71 else if (facet != null && facet.equals(FACET_WST)) { | |
| 72 generateWST(); | |
| 73 } | |
| 74 else { | |
| 75 throw new IOException("invalid facet for exporter"); | |
| 76 } | |
| 55 } | 77 } |
| 56 | 78 |
| 57 | 79 |
| 58 protected void addData(Artifact artifact) { | 80 protected void addData(Artifact artifact) { |
| 59 data.add(getWaterlevelData(artifact)); | 81 data.add(getWaterlevelData(artifact)); |
| 122 } | 144 } |
| 123 } | 145 } |
| 124 | 146 |
| 125 | 147 |
| 126 /** | 148 /** |
| 149 * Generates the output in WST format. | |
| 150 */ | |
| 151 protected void generateWST() | |
| 152 throws IOException | |
| 153 { | |
| 154 logger.info("WaterlevelExporter.generateWST"); | |
| 155 | |
| 156 int cols = data.get(0).length; | |
| 157 WstWriter writer = new WstWriter(cols); | |
| 158 | |
| 159 writeWSTData(writer); | |
| 160 | |
| 161 writer.write(out); | |
| 162 } | |
| 163 | |
| 164 | |
| 165 protected void writeWSTData(WstWriter writer) { | |
| 166 logger.debug("WaterlevelExporter.writeWSTData"); | |
| 167 | |
| 168 double[] result = new double[3]; | |
| 169 | |
| 170 for (WQKms[] tmp: data) { | |
| 171 for (WQKms wqkms: tmp) { | |
| 172 int size = wqkms != null ? wqkms.size() : 0; | |
| 173 | |
| 174 for (int i = 0; i < size; i++) { | |
| 175 result = wqkms.get(i, result); | |
| 176 | |
| 177 writer.add(result); | |
| 178 } | |
| 179 } | |
| 180 } | |
| 181 } | |
| 182 | |
| 183 | |
| 184 /** | |
| 127 * Returns the number formatter for kilometer values. | 185 * Returns the number formatter for kilometer values. |
| 128 * | 186 * |
| 129 * @return the number formatter for kilometer values. | 187 * @return the number formatter for kilometer values. |
| 130 */ | 188 */ |
| 131 protected NumberFormat getKmFormatter() { | 189 protected NumberFormat getKmFormatter() { |