ingo@2821: package de.intevation.flys.importer.parsers;
ingo@2821: 
ingo@2821: import java.math.BigDecimal;
ingo@2821: 
ingo@2821: import java.text.NumberFormat;
ingo@2821: import java.text.ParseException;
ingo@2821: 
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;
ingo@2821: 
ingo@2821: import de.intevation.flys.importer.ImportMorphWidth;
ingo@2821: import de.intevation.flys.importer.ImportMorphWidthValue;
ingo@2821: import de.intevation.flys.importer.ImportUnit;
ingo@2821: 
ingo@2821: 
ingo@2821: public class MorphologicalWidthParser extends LineParser {
ingo@2821: 
ingo@2821:     private static final Logger log =
ingo@2821:         Logger.getLogger(MorphologicalWidthParser.class);
ingo@2821: 
ingo@2821:     public static final NumberFormat nf = NumberFormat.getInstance(DEFAULT_LOCALE);
ingo@2821: 
ingo@2821:     public static final Pattern META_UNIT =
ingo@2821:         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() {
ingo@2821:         morphWidths = new ArrayList<ImportMorphWidth>();
ingo@2821:     }
ingo@2821: 
ingo@2821: 
ingo@2821:     @Override
ingo@2821:     protected void reset() {
ingo@2821:         current = new ImportMorphWidth();
ingo@2821:     }
ingo@2821: 
ingo@2821: 
ingo@2821:     @Override
ingo@2821:     protected void finish() {
ingo@2821:         if (current != null) {
ingo@2821:             morphWidths.add(current);
ingo@2821:         }
ingo@2821:     }
ingo@2821: 
ingo@2821: 
ingo@2821:     @Override
ingo@4193:     protected void handleLine(int lineNum, 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: 
ingo@2821:     protected void handleMetaLine(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: 
ingo@2821:     protected boolean handleMetaUnit(String line) {
ingo@2821:         Matcher m = META_UNIT.matcher(line);
ingo@2821: 
ingo@2821:         if (m.matches()) {
ingo@2821:             String unit = m.group(1);
ingo@2821: 
ingo@2821:             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: 
ingo@2821:     protected void handleDataLine(String line) {
ingo@2821:         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 {
ingo@2821:             BigDecimal km    = new BigDecimal(nf.parse(vals[0]).doubleValue());
ingo@2821:             BigDecimal width = new BigDecimal(nf.parse(vals[1]).doubleValue());
ingo@2821: 
ingo@2821:             String desc = vals.length > 2 ? vals[2] : null;
ingo@2821: 
ingo@2821:             current.addValue(new ImportMorphWidthValue(
ingo@2821:                 km,
ingo@2821:                 width,
ingo@2821:                 desc
ingo@2821:             ));
ingo@2821:         }
ingo@2821:         catch (ParseException 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() {
ingo@2821:         return morphWidths;
ingo@2821:     }
ingo@2821: }
ingo@2821: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :