Mercurial > dive4elements > river
comparison 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> |
|---|---|
| date | Wed, 01 Jun 2011 17:01:44 +0000 |
| parents | |
| children | 913b52064449 |
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| 649:44175d4720f8 | 650:6695e03e9b82 |
|---|---|
| 1 package de.intevation.flys.artifacts.model; | |
| 2 | |
| 3 import java.util.List; | |
| 4 import java.util.ArrayList; | |
| 5 | |
| 6 import java.io.Serializable; | |
| 7 | |
| 8 import org.apache.log4j.Logger; | |
| 9 | |
| 10 import gnu.trove.TDoubleArrayList; | |
| 11 | |
| 12 public class Segment | |
| 13 implements Serializable | |
| 14 { | |
| 15 private static Logger logger = Logger.getLogger(Segment.class); | |
| 16 | |
| 17 protected double from; | |
| 18 protected double to; | |
| 19 protected double [] values; | |
| 20 | |
| 21 public Segment() { | |
| 22 } | |
| 23 | |
| 24 public Segment(double from, double to, double [] values) { | |
| 25 this.from = from; | |
| 26 this.to = to; | |
| 27 this.values = values; | |
| 28 } | |
| 29 | |
| 30 public boolean isUp() { | |
| 31 return from < to; | |
| 32 } | |
| 33 | |
| 34 public String toString() { | |
| 35 StringBuilder sb = new StringBuilder("Segment: ["); | |
| 36 sb.append("from: ").append(from).append("; to: ") | |
| 37 .append(to).append("; values: ("); | |
| 38 for (int i = 0; i < values.length; ++i) { | |
| 39 if (i > 0) sb.append(", "); | |
| 40 sb.append(values[i]); | |
| 41 } | |
| 42 sb.append(")]"); | |
| 43 return sb.toString(); | |
| 44 } | |
| 45 | |
| 46 public static List<Segment> parseSegments(String input) { | |
| 47 | |
| 48 ArrayList<Segment> segments = new ArrayList<Segment>(); | |
| 49 | |
| 50 TDoubleArrayList vs = new TDoubleArrayList(); | |
| 51 | |
| 52 for (String segmentStr: input.split(":")) { | |
| 53 String [] parts = segmentStr.split(";"); | |
| 54 if (parts.length < 3) { | |
| 55 logger.warn("invalid segment: '" + segmentStr + "'"); | |
| 56 continue; | |
| 57 } | |
| 58 try { | |
| 59 double from = Double.parseDouble(parts[0].trim()); | |
| 60 double to = Double.parseDouble(parts[1].trim()); | |
| 61 | |
| 62 vs.clear(); | |
| 63 | |
| 64 for (String valueStr: parts[2].split(",")) { | |
| 65 vs.add(Double.parseDouble(valueStr.trim())); | |
| 66 } | |
| 67 | |
| 68 double [] values = vs.toNativeArray(); | |
| 69 segments.add(new Segment(from, to, values)); | |
| 70 } | |
| 71 catch (NumberFormatException nfe) { | |
| 72 logger.warn("invalid segment: '" + segmentStr + "'"); | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 return segments; | |
| 77 } | |
| 78 } | |
| 79 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |