Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/utils/DoubleUtil.java @ 3776:1ddbf66a2b0a
Implemented the access for 'Auslagerung extremer Wasserspiegellagen'
flys-artifacts/trunk@5483 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Sun, 16 Sep 2012 17:55:10 +0000 |
parents | 0dd58ab7e118 |
children | a5f65e8983be |
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--- a/flys-artifacts/src/main/java/de/intevation/flys/utils/DoubleUtil.java Sun Sep 16 11:40:38 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/utils/DoubleUtil.java Sun Sep 16 17:55:10 2012 +0000 @@ -1,12 +1,17 @@ package de.intevation.flys.utils; +import de.intevation.flys.artifacts.math.Linear; + +import gnu.trove.TDoubleArrayList; + import java.util.Arrays; -import de.intevation.flys.artifacts.math.Linear; - +import org.apache.log4j.Logger; public class DoubleUtil { + private static Logger log = Logger.getLogger(DoubleUtil.class); + public static final double DEFAULT_STEP_PRECISION = 1e6; private DoubleUtil() { @@ -138,5 +143,39 @@ Arrays.fill(result, value); return result; } + + public interface SegmentCallback { + void newSegment(double from, double to, double [] values); + } + + public static final void parseSegments( + String input, + SegmentCallback callback + ) { + TDoubleArrayList vs = new TDoubleArrayList(); + + for (String segmentStr: input.split(":")) { + String [] parts = segmentStr.split(";"); + if (parts.length < 3) { + log.warn("invalid segment: '" + segmentStr + "'"); + continue; + } + try { + double from = Double.parseDouble(parts[0].trim()); + double to = Double.parseDouble(parts[1].trim()); + + vs.resetQuick(); + + for (String valueStr: parts[2].split(",")) { + vs.add(round(Double.parseDouble(valueStr.trim()))); + } + + callback.newSegment(from, to, vs.toNativeArray()); + } + catch (NumberFormatException nfe) { + log.warn("invalid segment: '" + segmentStr + "'"); + } + } + } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :