Mercurial > dive4elements > river
diff backend/src/main/java/org/dive4elements/river/importer/parsers/BundesWasserStrassenParser.java @ 7730:e1b831fe435a slt-simplify-cross-sections
Merged default into slt-simplify-cross-sections branch and updated package and class names.
author | Tom Gottfried <tom@intevation.de> |
---|---|
date | Mon, 20 Jan 2014 14:04:20 +0100 |
parents | 4c3ccf2b0304 |
children | 9d2e69f971f5 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/backend/src/main/java/org/dive4elements/river/importer/parsers/BundesWasserStrassenParser.java Mon Jan 20 14:04:20 2014 +0100 @@ -0,0 +1,84 @@ +/* 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.util.HashMap; + +import org.apache.log4j.Logger; + +/** Parse CSV file that contains official numbers for rivers. */ +public class BundesWasserStrassenParser extends LineParser { + + /** Private logger. */ + private static final Logger logger = + Logger.getLogger(BundesWasserStrassenParser.class); + + /** Map from rivernames to Official numbers. */ + private HashMap<String,Long> numberMap; + + + public BundesWasserStrassenParser() { + numberMap = new HashMap<String,Long>(); + } + + + /** No need to reset. */ + @Override + protected void reset() { + } + + + /** No action needed on eof. */ + @Override + protected void finish() { + } + + + /** Handle a line of the bwastr-id file. */ + @Override + protected void handleLine(int lineNum, String line) { + String[] vals = line.split(","); + // Try both "," and ";" as separator. + if (vals.length != 2) { + vals = line.split(";"); + if (vals.length != 2) { + logger.warn("Invalid bwastr-id line:\n" + line); + return; + } + } + try { + String name = unwrap(vals[0].toLowerCase()); + String numberStr = unwrap(vals[1]); + Long number = Long.valueOf(numberStr); + numberMap.put(name, number); + } + catch (NumberFormatException e) { + logger.warn("Invalid number in bwastr-id line:\n" + line); + } + } + + + /** Get river -> official number mapping. */ + public HashMap<String,Long> getMap() { + return numberMap; + } + + + /** Remove leading and trailing quotes. */ + protected String unwrap(String input) { + if (input.startsWith("\"")) { + input = input.substring(1); + } + if (input.endsWith("\"")) { + input = input.substring(0, input.length() - 1); + } + return input; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :