Mercurial > dive4elements > river
diff flys-backend/src/main/java/de/intevation/flys/importer/parsers/FlowVelocityMeasurementParser.java @ 2832:ac5bd90697c1
Added new parser for flow velocity measurements and fixed some smaller bugs while importing flow velocity data.
flys-backend/trunk@4250 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Tue, 17 Apr 2012 13:00:04 +0000 |
parents | |
children | ed13816047b3 |
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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/FlowVelocityMeasurementParser.java Tue Apr 17 13:00:04 2012 +0000 @@ -0,0 +1,105 @@ +package de.intevation.flys.importer.parsers; + +import java.math.BigDecimal; +import java.text.DateFormat; +import java.text.NumberFormat; +import java.text.ParseException; +import java.text.SimpleDateFormat; +import java.util.ArrayList; +import java.util.List; + +import java.text.ParseException; + +import org.apache.log4j.Logger; + +import de.intevation.flys.importer.ImportFlowVelocityMeasurement; +import de.intevation.flys.importer.ImportFlowVelocityMeasurementValue; + + +public class FlowVelocityMeasurementParser extends LineParser { + + private static final Logger log = + Logger.getLogger(FlowVelocityMeasurementParser.class); + + private static final NumberFormat nf = + NumberFormat.getInstance(DEFAULT_LOCALE); + + private static final DateFormat df = + new SimpleDateFormat("dd.MM.yyyy HH:mm:ss"); + + + private List<ImportFlowVelocityMeasurement> measurements; + + private ImportFlowVelocityMeasurement current; + + + public FlowVelocityMeasurementParser() { + measurements = new ArrayList<ImportFlowVelocityMeasurement>(); + } + + + public List<ImportFlowVelocityMeasurement> getMeasurements() { + return measurements; + } + + @Override + protected void reset() { + current = new ImportFlowVelocityMeasurement(); + } + + + @Override + protected void finish() { + measurements.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) { + line = line.replace(";", ""); + current.setDescription(line); + } + + + public void handleDataLine(String line) { + String[] cols = line.split(SEPERATOR_CHAR); + + if (cols.length < 8) { + log.warn("skip invalid data line: '" + line + "'"); + return; + } + + try { + double km = nf.parse(cols[1]).doubleValue(); + double w = nf.parse(cols[5]).doubleValue(); + double q = nf.parse(cols[6]).doubleValue(); + double v = nf.parse(cols[7]).doubleValue(); + + String timestr = cols[3] + " " + cols[4]; + String description = cols.length > 8 ? cols[8] : null; + + current.addValue(new ImportFlowVelocityMeasurementValue( + df.parse(timestr), + new BigDecimal(km), + new BigDecimal(w), + new BigDecimal(q), + new BigDecimal(v), + description + )); + } + 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 :