Mercurial > dive4elements > river
diff backend/src/main/java/org/dive4elements/river/importer/parsers/PegelGltParser.java @ 5838:5aa05a7a34b7
Rename modules to more fitting names.
author | Sascha L. Teichmann <teichmann@intevation.de> |
---|---|
date | Thu, 25 Apr 2013 15:23:37 +0200 |
parents | flys-backend/src/main/java/org/dive4elements/river/importer/parsers/PegelGltParser.java@18619c1e7c2a |
children | 4dd33b86dc61 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/backend/src/main/java/org/dive4elements/river/importer/parsers/PegelGltParser.java Thu Apr 25 15:23:37 2013 +0200 @@ -0,0 +1,102 @@ +package org.dive4elements.river.importer.parsers; + +import java.io.File; + +import java.util.List; +import java.util.ArrayList; + +import java.io.IOException; +import java.io.LineNumberReader; +import java.io.FileInputStream; +import java.io.InputStreamReader; + +import java.math.BigDecimal; + +import org.apache.log4j.Logger; + +import org.dive4elements.artifacts.common.utils.FileTools; + +import org.dive4elements.river.importer.ImportGauge; +import org.dive4elements.river.importer.ImportRange; + +public class PegelGltParser +{ + private static Logger log = Logger.getLogger(PegelGltParser.class); + + public static final String ENCODING = "ISO-8859-1"; + + public static final String KM = "km:"; + + protected List<ImportGauge> gauges; + + public PegelGltParser() { + gauges = new ArrayList<ImportGauge>(); + } + + public List<ImportGauge> getGauges() { + return gauges; + } + + public void parse(File file) throws IOException { + + File parent = file.getParentFile(); + + log.info("parsing GLT file '" + file + "'"); + LineNumberReader in = null; + try { + in = + new LineNumberReader( + new InputStreamReader( + new FileInputStream(file), ENCODING)); + + String line = null; + while ((line = in.readLine()) != null) { + if ((line = line.trim()).length() == 0) { + continue; + } + + int kmPos = line.indexOf(KM); + if (kmPos < 0) { + log.warn("GLT: no gauge found in line " + in.getLineNumber()); + continue; + } + + String gaugeName = line.substring(0, kmPos).trim(); + log.info("Found gauge '" + gaugeName + "'"); + + line = line.substring(kmPos + KM.length()).trim(); + + String [] parts = line.split("\\s+"); + if (parts.length < 4) { + log.warn("GLT: line " + in.getLineNumber() + + " has not enough columns."); + continue; + } + + BigDecimal from = new BigDecimal(parts[0].replace(",", ".")); + BigDecimal to = new BigDecimal(parts[1].replace(",", ".")); + if (from.compareTo(from) > 0) { + BigDecimal t = from; from = to; to = t; + } + ImportRange range = new ImportRange(from, to); + File staFile = FileTools.repair(new File(parent, parts[2])); + File atFile = FileTools.repair(new File(parent, parts[3])); + + if (log.isDebugEnabled()) { + log.debug("\tfrom: " + from); + log.debug("\tto: " + to); + log.debug("\tsta: " + staFile); + log.debug("\tat: " + atFile); + } + + gauges.add(new ImportGauge(range, staFile, atFile)); + } + } + finally { + if (in != null) { + in.close(); + } + } + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :