Mercurial > dive4elements > river
diff 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> |
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date | Tue, 17 Apr 2012 09:37:52 +0000 |
parents | |
children | 5b54a648f702 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-backend/src/main/java/de/intevation/flys/importer/parsers/FlowVelocityModelParser.java Tue Apr 17 09:37:52 2012 +0000 @@ -0,0 +1,111 @@ +package de.intevation.flys.importer.parsers; + +import java.math.BigDecimal; +import java.text.NumberFormat; +import java.text.ParseException; +import java.util.ArrayList; +import java.util.List; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +import java.text.ParseException; + +import org.apache.log4j.Logger; + +import de.intevation.flys.importer.ImportFlowVelocityModel; +import de.intevation.flys.importer.ImportFlowVelocityModelValue; + + +public class FlowVelocityModelParser extends LineParser { + + private static final Logger log = + Logger.getLogger(FlowVelocityModelParser.class); + + private static final Pattern META_REGEX = + Pattern.compile(".*Rechnung (.*) \\(Pegel (.*)\\).*"); + + private static final NumberFormat nf = + NumberFormat.getInstance(DEFAULT_LOCALE); + + + private List<ImportFlowVelocityModel> models; + + private ImportFlowVelocityModel current; + + + public FlowVelocityModelParser() { + models = new ArrayList<ImportFlowVelocityModel>(); + } + + + public List<ImportFlowVelocityModel> getModels() { + return models; + } + + @Override + protected void reset() { + current = new ImportFlowVelocityModel(); + } + + + @Override + protected void finish() { + models.add(current); + } + + + @Override + protected void handleLine(String line) { + if (line.startsWith(START_META_CHAR)) { + handleMetaLine(stripMetaLine(line)); + } + else { + handleDataLine(line); + } + } + + + public void handleMetaLine(String line) { + Matcher m = META_REGEX.matcher(line); + + if (m.matches()) { + String zoneStr = m.group(1); + String gaugeStr = m.group(2); + + log.debug("Found zone string: '" + zoneStr + "'"); + log.debug("Found gauge string: '" + gaugeStr + "'"); + + // TODO Do something with these information + } + } + + + public void handleDataLine(String line) { + String[] cols = line.split(SEPERATOR_CHAR); + + if (cols.length < 5) { + log.warn("skip invalid data line: '" + line + "'"); + return; + } + + try { + double km = nf.parse(cols[0]).doubleValue(); + double q = nf.parse(cols[1]).doubleValue(); + double total = nf.parse(cols[2]).doubleValue(); + double main = nf.parse(cols[3]).doubleValue(); + double stress = nf.parse(cols[4]).doubleValue(); + + current.addValue(new ImportFlowVelocityModelValue( + new BigDecimal(km), + new BigDecimal(q), + new BigDecimal(total), + new BigDecimal(main), + new BigDecimal(stress) + )); + } + catch (ParseException pe) { + log.warn("Error while parsing flow velocity values.", pe); + } + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :