Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Segment.java @ 655:913b52064449

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Refactored version of "Berechnung 4" flys-artifacts/trunk@2053 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sun, 05 Jun 2011 18:24:46 +0000
parents 6695e03e9b82
children 8124ca1ecaaa
rev   line source
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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 import de.intevation.flys.utils.DoubleUtil;
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13
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14 public class Segment
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15 implements Serializable
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16 {
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17 private static Logger logger = Logger.getLogger(Segment.class);
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18
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19 protected double from;
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20 protected double to;
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21 protected double [] values;
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22 protected double [] backup;
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23 protected double referencePoint;
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24
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25 public Segment() {
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26 }
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27
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28 public Segment(double referencePoint) {
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29 this.referencePoint = referencePoint;
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30 }
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31
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32 public Segment(double from, double to, double [] values) {
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33 this.from = from;
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34 this.to = to;
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35 this.values = values;
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36 }
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37
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38 public boolean isUp() {
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39 return from < to;
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40 }
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41
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42 public String toString() {
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43 StringBuilder sb = new StringBuilder("Segment: [");
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44 sb.append("from: ").append(from).append("; to: ")
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45 .append(to).append("; values: (");
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46 for (int i = 0; i < values.length; ++i) {
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47 if (i > 0) sb.append(", ");
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48 sb.append(values[i]);
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49 }
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50 sb.append(")]");
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51 return sb.toString();
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52 }
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53
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54 public void setFrom(double from) {
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55 this.from = from;
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56 }
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57
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58 public void backup() {
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59 backup = (double [])values.clone();
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60 }
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61
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62 public double getFrom() {
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63 return from;
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64 }
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65
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66 public void setTo(double to) {
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67 this.to = to;
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68 }
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69
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70 public double getTo() {
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71 return to;
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72 }
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73
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74 public void setValues(double [] values) {
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75 this.values = values;
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76 }
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77
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78 public double [] getValues() {
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79 return values;
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80 }
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81
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82 public void setReferencePoint(double referencePoint) {
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83 this.referencePoint = referencePoint;
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84 }
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85
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86 public double getReferencePoint() {
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87 return referencePoint;
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88 }
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89
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90 public static List<Segment> parseSegments(String input) {
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91
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92 ArrayList<Segment> segments = new ArrayList<Segment>();
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93
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94 TDoubleArrayList vs = new TDoubleArrayList();
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95
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96 for (String segmentStr: input.split(":")) {
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97 String [] parts = segmentStr.split(";");
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98 if (parts.length < 3) {
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99 logger.warn("invalid segment: '" + segmentStr + "'");
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100 continue;
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101 }
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102 try {
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103 double from = Double.parseDouble(parts[0].trim());
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104 double to = Double.parseDouble(parts[1].trim());
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105
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106 vs.clear();
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107
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108 for (String valueStr: parts[2].split(",")) {
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109 vs.add(DoubleUtil.round(
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110 Double.parseDouble(valueStr.trim())));
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111 }
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112
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113 double [] values = vs.toNativeArray();
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114 segments.add(new Segment(from, to, values));
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115 }
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116 catch (NumberFormatException nfe) {
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117 logger.warn("invalid segment: '" + segmentStr + "'");
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118 }
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119 }
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120
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121 return segments;
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122 }
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123 }
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124 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org