Mercurial > dive4elements > river
comparison flys-backend/src/main/java/de/intevation/flys/importer/parsers/FlowVelocityModelParser.java @ 2828:ac13e466a55e
Added a parser for flow velocity model data and adjusted the db relation schema (missing q column).
flys-backend/trunk@4245 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Tue, 17 Apr 2012 09:37:52 +0000 |
| parents | |
| children | 5b54a648f702 |
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| 2827:85b25e74594f | 2828:ac13e466a55e |
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| 1 package de.intevation.flys.importer.parsers; | |
| 2 | |
| 3 import java.math.BigDecimal; | |
| 4 import java.text.NumberFormat; | |
| 5 import java.text.ParseException; | |
| 6 import java.util.ArrayList; | |
| 7 import java.util.List; | |
| 8 import java.util.regex.Matcher; | |
| 9 import java.util.regex.Pattern; | |
| 10 | |
| 11 import java.text.ParseException; | |
| 12 | |
| 13 import org.apache.log4j.Logger; | |
| 14 | |
| 15 import de.intevation.flys.importer.ImportFlowVelocityModel; | |
| 16 import de.intevation.flys.importer.ImportFlowVelocityModelValue; | |
| 17 | |
| 18 | |
| 19 public class FlowVelocityModelParser extends LineParser { | |
| 20 | |
| 21 private static final Logger log = | |
| 22 Logger.getLogger(FlowVelocityModelParser.class); | |
| 23 | |
| 24 private static final Pattern META_REGEX = | |
| 25 Pattern.compile(".*Rechnung (.*) \\(Pegel (.*)\\).*"); | |
| 26 | |
| 27 private static final NumberFormat nf = | |
| 28 NumberFormat.getInstance(DEFAULT_LOCALE); | |
| 29 | |
| 30 | |
| 31 private List<ImportFlowVelocityModel> models; | |
| 32 | |
| 33 private ImportFlowVelocityModel current; | |
| 34 | |
| 35 | |
| 36 public FlowVelocityModelParser() { | |
| 37 models = new ArrayList<ImportFlowVelocityModel>(); | |
| 38 } | |
| 39 | |
| 40 | |
| 41 public List<ImportFlowVelocityModel> getModels() { | |
| 42 return models; | |
| 43 } | |
| 44 | |
| 45 @Override | |
| 46 protected void reset() { | |
| 47 current = new ImportFlowVelocityModel(); | |
| 48 } | |
| 49 | |
| 50 | |
| 51 @Override | |
| 52 protected void finish() { | |
| 53 models.add(current); | |
| 54 } | |
| 55 | |
| 56 | |
| 57 @Override | |
| 58 protected void handleLine(String line) { | |
| 59 if (line.startsWith(START_META_CHAR)) { | |
| 60 handleMetaLine(stripMetaLine(line)); | |
| 61 } | |
| 62 else { | |
| 63 handleDataLine(line); | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 | |
| 68 public void handleMetaLine(String line) { | |
| 69 Matcher m = META_REGEX.matcher(line); | |
| 70 | |
| 71 if (m.matches()) { | |
| 72 String zoneStr = m.group(1); | |
| 73 String gaugeStr = m.group(2); | |
| 74 | |
| 75 log.debug("Found zone string: '" + zoneStr + "'"); | |
| 76 log.debug("Found gauge string: '" + gaugeStr + "'"); | |
| 77 | |
| 78 // TODO Do something with these information | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 | |
| 83 public void handleDataLine(String line) { | |
| 84 String[] cols = line.split(SEPERATOR_CHAR); | |
| 85 | |
| 86 if (cols.length < 5) { | |
| 87 log.warn("skip invalid data line: '" + line + "'"); | |
| 88 return; | |
| 89 } | |
| 90 | |
| 91 try { | |
| 92 double km = nf.parse(cols[0]).doubleValue(); | |
| 93 double q = nf.parse(cols[1]).doubleValue(); | |
| 94 double total = nf.parse(cols[2]).doubleValue(); | |
| 95 double main = nf.parse(cols[3]).doubleValue(); | |
| 96 double stress = nf.parse(cols[4]).doubleValue(); | |
| 97 | |
| 98 current.addValue(new ImportFlowVelocityModelValue( | |
| 99 new BigDecimal(km), | |
| 100 new BigDecimal(q), | |
| 101 new BigDecimal(total), | |
| 102 new BigDecimal(main), | |
| 103 new BigDecimal(stress) | |
| 104 )); | |
| 105 } | |
| 106 catch (ParseException pe) { | |
| 107 log.warn("Error while parsing flow velocity values.", pe); | |
| 108 } | |
| 109 } | |
| 110 } | |
| 111 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |