Mercurial > dive4elements > river
view backend/src/main/java/org/dive4elements/river/importer/parsers/SedimentLoadParser.java @ 9650:a2a42a6bac6b
Importer (s/u-info) extensions:
outer try/catch for parse and log of line no,
catching parsing exception if not enough value fields,
parsing error and warning log messages with line number,
detecting and rejecting duplicate data series,
better differentiation between error and warning log messages
author | mschaefer |
---|---|
date | Mon, 23 Mar 2020 14:57:03 +0100 |
parents | 8fbc0649da13 |
children | 0a5239a1e46e |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.importer.parsers; import java.text.ParseException; import java.util.ArrayList; import java.util.List; import org.apache.log4j.Logger; import org.dive4elements.river.importer.ImporterSession; import org.dive4elements.river.importer.ImportSedimentLoad; import org.dive4elements.river.importer.ImportSedimentLoadValue; import org.dive4elements.river.model.River; import org.dive4elements.river.model.MeasurementStation; /** Parses sediment load longitudinal section files. */ public class SedimentLoadParser extends AbstractSedimentLoadParser { private static final Logger log = Logger.getLogger(SedimentLoadParser.class); public static final String GRAINFRACTION_NAME_SUSP = "suspended_sediment"; public static final String GRAINFRACTION_NAME_TOTAL = "total"; protected List<ImportSedimentLoad> sedimentLoads; protected ImportSedimentLoad[] current; protected River river; public SedimentLoadParser() { sedimentLoads = new ArrayList<ImportSedimentLoad>(); } public SedimentLoadParser(River river) { sedimentLoads = new ArrayList<ImportSedimentLoad>(); this.river = river; } @Override protected void reset() { current = null; grainFraction = null; } @Override protected void finish() { if (current != null) { for (ImportSedimentLoad isy: current) { sedimentLoads.add(isy); } } description = null; } @Override protected void handleMetaLine(String line) throws LineParserException { if (handleMetaFraction(line)) { return; } if (handleMetaFractionName(line)) { return; } if (handleMetaSQTimeInterval(line)) { return; } if (handleColumnNames(line)) { return; } log.warn("ASLP: Unknown meta line: '" + line + "'"); } private void initializeSedimentLoadValues(String[] vals, MeasurementStation m) throws ParseException { for (int i = 1, n = columnNames.length-1; i < n; i++) { String curVal = vals[i]; if (curVal != null && curVal.length() > 0) { current[i-1].addValue(new ImportSedimentLoadValue( m, nf.parse(curVal).doubleValue() )); } } } @Override protected void handleDataLine(String line) { String[] vals = line.split(SEPERATOR_CHAR); if (vals == null || vals.length < columnNames.length-1) { log.warn("SLP: skip invalid data line: '" + line + "'"); return; } try { Double km = nf.parse(vals[0]).doubleValue(); List<MeasurementStation> ms = ImporterSession.getInstance().getMeasurementStations( river, km); String gfn = grainFraction.getPeer().getName(); if (ms != null && !ms.isEmpty()) { // Check for measurement station at km fitting grain fraction for (MeasurementStation m : ms) { if (gfn.equals(GRAINFRACTION_NAME_TOTAL)) { // total load can be at any station type initializeSedimentLoadValues(vals, m); return; } if (gfn.equals(GRAINFRACTION_NAME_SUSP) && m.getMeasurementType().equals( MeasurementStation.MEASUREMENT_TYPE_SUSP)) { // susp. sediment can only be at respective stations initializeSedimentLoadValues(vals, m); return; } if (!gfn.equals(GRAINFRACTION_NAME_SUSP) && m.getMeasurementType().equals( MeasurementStation.MEASUREMENT_TYPE_BEDLOAD)) { /** anything but total load and susp. sediment can only be at bed load measurement stations */ initializeSedimentLoadValues(vals, m); return; } } log.error("SLP: No measurement station at km " + km + " fitting grain fraction " + gfn + " on river " + river.getName()); return; } else { log.error("SLP: No measurement station at km " + km + " on river " + river.getName()); return; } } catch (ParseException pe) { log.warn("SLP: unparseable number in data row '" + line + "':", pe); } } @Override protected void initializeSedimentLoads() { // skip first column (Fluss-km) and last column (Hinweise) current = new ImportSedimentLoad[columnNames.length-2]; Integer kind; if (inputFile.getAbsolutePath().contains("amtliche Epochen")) { kind = new Integer(1); } else { kind = new Integer(0); } for (int i = 0, n = columnNames.length; i < n-2; i++) { current[i] = new ImportSedimentLoad( grainFraction, getTimeInterval(columnNames[i+1]), sqTimeInterval, description, kind); } } public List<ImportSedimentLoad> getSedimentLoads() { return sedimentLoads; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :