teichmann@5844: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5844:  * Software engineering by Intevation GmbH
teichmann@5844:  *
teichmann@5992:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5844:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5992:  * documentation coming with Dive4Elements River for details.
teichmann@5844:  */
teichmann@5844: 
teichmann@5829: package org.dive4elements.river.importer.parsers;
ingo@2821: 
ingo@2821: import java.math.BigDecimal;
ingo@2821: import java.text.NumberFormat;
ingo@2821: import java.util.ArrayList;
ingo@2821: import java.util.List;
ingo@2821: import java.util.regex.Matcher;
ingo@2821: import java.util.regex.Pattern;
ingo@2821: 
ingo@2821: import org.apache.log4j.Logger;
teichmann@5829: import org.dive4elements.river.importer.ImportMorphWidth;
teichmann@5829: import org.dive4elements.river.importer.ImportMorphWidthValue;
teichmann@5829: import org.dive4elements.river.importer.ImportUnit;
mschaefer@8989: import org.dive4elements.river.importer.common.AbstractParser;
ingo@2821: 
ingo@2821: 
ingo@2821: public class MorphologicalWidthParser extends LineParser {
ingo@2821: 
ingo@2821:     private static final Logger log =
mschaefer@8989:             Logger.getLogger(MorphologicalWidthParser.class);
ingo@2821: 
tom@8856:     public static final NumberFormat nf = NumberFormat.getInstance(
mschaefer@8989:             DEFAULT_LOCALE);
ingo@2821: 
ingo@2821:     public static final Pattern META_UNIT =
mschaefer@8989:             Pattern.compile("^Einheit: \\[(.*)\\].*");
ingo@2821: 
ingo@2821:     protected List<ImportMorphWidth> morphWidths;
ingo@2821: 
ingo@2821:     protected ImportMorphWidth current;
ingo@2821: 
ingo@2821: 
ingo@2821:     public MorphologicalWidthParser() {
mschaefer@8989:         this.morphWidths = new ArrayList<>();
ingo@2821:     }
ingo@2821: 
ingo@2821: 
ingo@2821:     @Override
ingo@2821:     protected void reset() {
mschaefer@8989:         this.current = new ImportMorphWidth();
ingo@2821:     }
ingo@2821: 
ingo@2821: 
ingo@2821:     @Override
ingo@2821:     protected void finish() {
mschaefer@8989:         if (this.current != null) {
mschaefer@8989:             this.morphWidths.add(this.current);
ingo@2821:         }
ingo@2821:     }
ingo@2821: 
ingo@2821: 
ingo@2821:     @Override
mschaefer@8989:     protected void handleLine(final int lineNum, final String line) {
ingo@2821:         if (line.startsWith(START_META_CHAR)) {
ingo@2821:             handleMetaLine(stripMetaLine(line));
ingo@2821:         }
ingo@2821:         else {
ingo@2821:             handleDataLine(line);
ingo@2821:         }
ingo@2821:     }
ingo@2821: 
ingo@2821: 
mschaefer@8989:     protected void handleMetaLine(final String line) {
ingo@2821:         if (handleMetaUnit(line)) {
ingo@2821:             return;
ingo@2821:         }
ingo@2821:         else {
sascha@3662:             log.warn("MWP: Unknown meta line: '" + line + "'");
ingo@2821:         }
ingo@2821:     }
ingo@2821: 
ingo@2821: 
mschaefer@8989:     protected boolean handleMetaUnit(final String line) {
mschaefer@8989:         final Matcher m = META_UNIT.matcher(line);
ingo@2821: 
ingo@2821:         if (m.matches()) {
mschaefer@8989:             final String unit = m.group(1);
ingo@2821: 
mschaefer@8989:             this.current.setUnit(new ImportUnit(unit));
ingo@2821: 
ingo@2821:             return true;
ingo@2821:         }
ingo@2821: 
ingo@2821:         return false;
ingo@2821:     }
ingo@2821: 
ingo@2821: 
mschaefer@8989:     protected void handleDataLine(final String line) {
mschaefer@8989:         final String[] vals = line.split(SEPERATOR_CHAR);
ingo@2821: 
ingo@2821:         if (vals == null || vals.length < 2) {
sascha@3662:             log.warn("MWP: skip invalid data line: '" + line + "'");
ingo@2821:             return;
ingo@2821:         }
ingo@2821: 
ingo@2821:         try {
mschaefer@8989:             final BigDecimal km = AbstractParser.parseDecimal(vals[0]);
mschaefer@8989:             final BigDecimal width = AbstractParser.parseDecimal(vals[1]);
ingo@2821: 
mschaefer@8989:             final String desc = vals.length > 2 ? vals[2] : null;
mschaefer@8989: 
mschaefer@8989:             this.current.addValue(new ImportMorphWidthValue(
mschaefer@8989:                     km,
mschaefer@8989:                     width,
mschaefer@8989:                     desc
mschaefer@8989:                     ));
ingo@2821:         }
mschaefer@8989:         catch (final NumberFormatException pe) {
tom@5490:             log.warn("MWP: unparseable number in data row: " + line);
ingo@2821:         }
ingo@2821:     }
ingo@2821: 
ingo@2821: 
ingo@2821:     public List<ImportMorphWidth> getMorphologicalWidths() {
mschaefer@8989:         return this.morphWidths;
ingo@2821:     }
ingo@2821: }
ingo@2821: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :