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1 /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by |
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3 * Björnsen Beratende Ingenieure GmbH |
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4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt |
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5 * |
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6 * This file is Free Software under the GNU AGPL (>=v3) |
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7 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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8 * documentation coming with Dive4Elements River for details. |
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9 */ |
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10 package org.dive4elements.river.artifacts.sinfo.tkhstate; |
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11 |
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12 import java.io.BufferedReader; |
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13 import java.io.File; |
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14 import java.io.FileReader; |
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15 import java.util.Calendar; |
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16 import java.util.Date; |
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17 import java.util.HashMap; |
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18 import java.util.Map; |
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19 |
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20 import org.dive4elements.artifacts.common.utils.Config; |
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21 import org.dive4elements.river.artifacts.model.Calculation; |
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22 import org.dive4elements.river.artifacts.model.DateRange; |
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23 import org.dive4elements.river.model.River; |
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24 |
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25 /** |
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26 * Represents the contents of the 'bedheights.properties' files. |
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27 * |
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28 * @author Gernot Belger |
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29 */ |
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30 public final class BedQualityD50TimeRangeConfig { |
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31 |
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32 private static final String CONFIG_FILE = "d50_sohlkorndurchmesser_%s.properties"; |
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33 |
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34 private final Map<String, DateRange> cache = new HashMap<>(); |
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35 |
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36 private static BedQualityD50TimeRangeConfig INSTANCE = new BedQualityD50TimeRangeConfig(); |
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37 |
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38 public static synchronized DateRange getDefaults(final River river, final int soundingYear, final Calculation problems) { |
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39 return INSTANCE.getBedHeightDefaultsForRiver(river, soundingYear, problems); |
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40 } |
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41 |
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42 private synchronized DateRange getBedHeightDefaultsForRiver(final River river, final int soundingYear, final Calculation problems) { |
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43 final String rivername = river.getName(); |
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44 final String cacheKey = new StringBuilder().append(rivername).append(";").append(soundingYear).toString(); |
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45 if (!this.cache.containsKey(cacheKey)) { |
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46 final DateRange range = loadBedHeightDefaultsForRiver(river, soundingYear, problems); |
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47 this.cache.put(cacheKey, range); |
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48 return range; |
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49 } |
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50 return this.cache.get(cacheKey); |
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51 } |
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52 |
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53 private static DateRange loadBedHeightDefaultsForRiver(final River river, final int soundingYear, final Calculation problems) { |
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54 final String rivername = river.getName(); |
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55 final File configDir = Config.getModulesConfigDirectory(); |
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56 |
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57 final String filename = String.format(CONFIG_FILE, rivername); |
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58 |
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59 final File file = new File(configDir, filename); |
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60 |
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61 if (!file.canRead() && !file.isFile()) { |
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62 return null; // no config-file specified or spelling mistake etc. (not necessarily an error) |
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63 } |
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64 |
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65 try (final BufferedReader reader = new BufferedReader(new FileReader(file))) { |
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66 |
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67 String line; |
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68 while ((line = reader.readLine()) != null) { |
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69 if ((line = line.trim()).length() == 0 || line.startsWith("#")) { |
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70 continue; |
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71 } |
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72 |
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73 final String[] parts = line.split(";"); |
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74 |
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75 if (parts.length != 4) { |
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76 throw new Exception("Invalid number of Tokens; should be 4!"); |
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77 } |
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78 |
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79 final CalRange range = new CalRange(parseInput(parts[0]), parseInput(parts[1]), parseInput(parts[2]), parseInput(parts[3])); |
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80 if (range.isSoundingYearInRange(soundingYear)) { |
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81 return new DateRange(range.getStartTimeQuery(), range.getEndTimeQuery()); |
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82 } |
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83 } |
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84 return null; |
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85 } |
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86 catch (final Exception e) { |
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87 e.printStackTrace(); |
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88 problems.addProblem("sinfo.bedqualityd50config.configfile.loaderror", CONFIG_FILE, e.getMessage()); |
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89 return null; |
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90 } |
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91 } |
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92 |
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93 private static Integer parseInput(final String value) throws Exception { |
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94 if (value.toUpperCase().equals("MIN") || value.toUpperCase().equals("MAX")) |
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95 return null; |
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96 try { |
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97 return Integer.valueOf(value); |
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98 } |
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99 catch (final NumberFormatException e) { |
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100 throw new Exception("Invalid input; should be year ('yyyy') or 'MIN' or 'MAX'"); |
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101 } |
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102 } |
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103 |
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104 private static class CalRange { |
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105 private final long startTimeSounding; |
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106 private final long endTimeSounding; |
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107 |
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108 private final long startTimeQuery; |
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109 private final long endTimeQuery; |
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110 |
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111 private final static Calendar cal = Calendar.getInstance(); |
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112 |
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113 private Date getStartTimeQuery() { |
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114 return new Date(this.startTimeQuery); |
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115 } |
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116 |
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117 private Date getEndTimeQuery() { |
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118 return new Date(this.endTimeQuery); |
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119 } |
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120 |
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121 private CalRange(final Integer startYearSounding, final Integer endYearSounding, final Integer startYearQuery, final Integer endYearQuery) { |
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122 |
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123 this.startTimeSounding = 1l;// (startYearSounding != null) ? getLongValForYear(startYearSounding, 0, 1) : |
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124 // BedQualityD50KmValueFinder.MIN_DATE.getTime(); |
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125 this.startTimeQuery = 1l;// (startYearQuery != null) ? getLongValForYear(startYearQuery, 0, 1) : BedQualityD50KmValueFinder.MIN_DATE.getTime(); |
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126 this.endTimeSounding = 1l;// (endYearSounding != null) ? getLongValForYear(endYearSounding, 11, 31) : |
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127 // BedQualityD50KmValueFinder.MAX_DATE.getTime(); |
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128 this.endTimeQuery = 1l; // (endYearQuery != null) ? getLongValForYear(endYearQuery, 11, 31) : BedQualityD50KmValueFinder.MAX_DATE.getTime(); |
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129 |
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130 } |
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131 |
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132 private long getLongValForYear(final int year, final int month0based, final int dayOfMonth) { |
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133 cal.clear(); |
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134 cal.set(year, month0based, dayOfMonth); |
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135 |
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136 return cal.getTimeInMillis(); |
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137 } |
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138 |
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139 private boolean isSoundingYearInRange(final int soundingYear) { |
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140 cal.clear(); |
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141 |
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142 cal.set(soundingYear, 5, 5); // random date in the middle of the year |
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143 |
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144 final Long time = cal.getTimeInMillis(); |
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145 |
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146 if (time > this.startTimeSounding && time < this.endTimeSounding) |
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147 return true; |
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148 |
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149 return false; |
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150 } |
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151 |
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152 } |
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153 |
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154 } |
