Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Segment.java @ 650:6695e03e9b82
Added parser for segments
flys-artifacts/trunk@2043 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Wed, 01 Jun 2011 17:01:44 +0000 |
parents | |
children | 913b52064449 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Segment.java Wed Jun 01 17:01:44 2011 +0000 @@ -0,0 +1,79 @@ +package de.intevation.flys.artifacts.model; + +import java.util.List; +import java.util.ArrayList; + +import java.io.Serializable; + +import org.apache.log4j.Logger; + +import gnu.trove.TDoubleArrayList; + +public class Segment +implements Serializable +{ + private static Logger logger = Logger.getLogger(Segment.class); + + protected double from; + protected double to; + protected double [] values; + + public Segment() { + } + + public Segment(double from, double to, double [] values) { + this.from = from; + this.to = to; + this.values = values; + } + + public boolean isUp() { + return from < to; + } + + public String toString() { + StringBuilder sb = new StringBuilder("Segment: ["); + sb.append("from: ").append(from).append("; to: ") + .append(to).append("; values: ("); + for (int i = 0; i < values.length; ++i) { + if (i > 0) sb.append(", "); + sb.append(values[i]); + } + sb.append(")]"); + return sb.toString(); + } + + public static List<Segment> parseSegments(String input) { + + ArrayList<Segment> segments = new ArrayList<Segment>(); + + TDoubleArrayList vs = new TDoubleArrayList(); + + for (String segmentStr: input.split(":")) { + String [] parts = segmentStr.split(";"); + if (parts.length < 3) { + logger.warn("invalid segment: '" + segmentStr + "'"); + continue; + } + try { + double from = Double.parseDouble(parts[0].trim()); + double to = Double.parseDouble(parts[1].trim()); + + vs.clear(); + + for (String valueStr: parts[2].split(",")) { + vs.add(Double.parseDouble(valueStr.trim())); + } + + double [] values = vs.toNativeArray(); + segments.add(new Segment(from, to, values)); + } + catch (NumberFormatException nfe) { + logger.warn("invalid segment: '" + segmentStr + "'"); + } + } + + return segments; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :