Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Segment.java @ 650:6695e03e9b82

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