Mercurial > dive4elements > river
annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/PRFParser.java @ 1211:f08fe480092c
Moved file parsers to separate package.
flys-backend/trunk@2337 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Fri, 15 Jul 2011 13:07:45 +0000 |
parents | |
children | cc88db4a5b34 |
rev | line source |
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1211
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Moved file parsers to separate package.
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1 package de.intevation.flys.importer.parsers; |
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2 |
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3 import java.util.Map; |
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4 import java.util.Stack; |
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5 import java.util.TreeMap; |
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6 import java.util.List; |
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7 import java.util.ArrayList; |
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8 import java.util.Collections; |
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9 |
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10 import java.util.regex.Pattern; |
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11 import java.util.regex.Matcher; |
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12 |
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13 import java.io.File; |
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14 import java.io.InputStreamReader; |
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15 import java.io.LineNumberReader; |
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16 import java.io.FileInputStream; |
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17 import java.io.IOException; |
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18 |
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19 import org.apache.log4j.Logger; |
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20 |
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21 import de.intevation.flys.importer.XY; |
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22 |
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23 public class PRFParser |
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24 { |
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25 private static Logger log = Logger.getLogger(PRFParser.class); |
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26 |
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27 public static final String ENCODING = |
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28 System.getProperty("flys.backend.prf.encoding", "ISO-8859-1"); |
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29 |
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30 public static final Pattern DATA_PATTERN = |
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31 Pattern.compile( |
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32 "\\((\\d+)x\\s*,\\s*(\\d+)\\(" + |
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33 "\\s*f(\\d+)\\.(\\d+)\\s*,\\s*f(\\d+)\\.(\\d+)\\s*\\)?\\)?"); |
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34 |
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35 public static final Pattern KM_PATTERN = |
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36 Pattern.compile("\\((\\d+)x\\s*,\\s*f(\\d+)\\.(\\d+)\\s*\\)?"); |
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37 |
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38 public static final Pattern YEAR_PATTERN = |
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39 Pattern.compile("(\\d{4})"); |
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40 |
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41 public static final int MIN_YEAR = 1800; |
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42 public static final int MAX_YEAR = 2100; |
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43 |
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44 public interface Callback { |
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45 boolean prfAccept(File file); |
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46 void prfParsed(PRFParser parser); |
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47 } // interface Parser |
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48 |
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49 public static class DataFormat { |
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50 |
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51 protected int deleteChars; |
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52 protected int maxRepetitions; |
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53 protected int firstIntegerPlaces; |
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54 protected int firstFractionPlaces; |
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55 protected int secondIntegerPlaces; |
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56 protected int secondFractionPlaces; |
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57 |
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58 protected double firstShift; |
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59 protected double secondShift; |
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60 |
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61 public DataFormat() { |
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62 } |
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63 |
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64 public DataFormat(Matcher m) { |
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65 deleteChars = Integer.parseInt(m.group(1)); |
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66 maxRepetitions = Integer.parseInt(m.group(2)); |
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67 firstIntegerPlaces = Integer.parseInt(m.group(3)); |
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68 firstFractionPlaces = Integer.parseInt(m.group(4)); |
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69 secondIntegerPlaces = Integer.parseInt(m.group(5)); |
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70 secondFractionPlaces = Integer.parseInt(m.group(6)); |
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71 |
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72 firstShift = Math.pow(10, firstFractionPlaces); |
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73 secondShift = Math.pow(10, secondFractionPlaces); |
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74 } |
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75 |
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76 public int extractData(String line, List<XY> kmData) { |
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77 int L = line.length(); |
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78 if (L <= deleteChars) { |
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79 return -1; |
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80 } |
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81 |
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82 int pos = deleteChars; |
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83 |
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84 boolean debug = log.isDebugEnabled(); |
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85 |
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86 |
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87 int rep = 0; |
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88 for (;rep < maxRepetitions; ++rep) { |
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89 if (pos >= L || pos + firstIntegerPlaces >= L) { |
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90 break; |
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91 } |
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92 String first = line.substring( |
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93 pos, pos + firstIntegerPlaces); |
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94 |
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95 String second = line.substring( |
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96 pos + firstIntegerPlaces, |
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97 Math.min(L, pos+firstIntegerPlaces+secondIntegerPlaces)); |
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98 |
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99 double x, y; |
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100 try { |
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101 x = Double.parseDouble(first); |
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102 y = Double.parseDouble(second); |
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103 } |
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104 catch (NumberFormatException nfe) { |
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105 // broken line -> substract from dataset skip |
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106 return -1; |
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107 } |
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108 |
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109 if (first.indexOf('.') < 0) { |
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110 x /= firstShift; |
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111 } |
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112 |
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113 if (firstFractionPlaces > 0) { |
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114 x = (int)(x*firstShift)/firstShift; |
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115 } |
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116 |
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117 if (second.indexOf('.') < 0) { |
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118 y /= secondShift; |
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119 } |
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120 |
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121 if (secondFractionPlaces > 0) { |
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122 y = (int)(y*secondShift)/secondShift; |
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123 } |
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124 |
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125 kmData.add(new XY(x, y, kmData.size())); |
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126 |
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127 pos += firstIntegerPlaces + secondIntegerPlaces; |
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128 } |
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129 |
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130 return rep == maxRepetitions ? 1 : 0; |
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131 } |
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132 } // class DataFormat |
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133 |
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134 public static class KMFormat { |
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135 |
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136 protected int deleteChars; |
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137 protected int integerPlaces; |
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138 protected int fractionPlaces; |
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139 |
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140 protected double shift; |
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141 |
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142 public KMFormat() { |
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143 } |
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144 |
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145 public KMFormat(Matcher m) { |
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146 deleteChars = Integer.parseInt(m.group(1)); |
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147 integerPlaces = Integer.parseInt(m.group(2)); |
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148 fractionPlaces = Integer.parseInt(m.group(3)); |
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149 |
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150 shift = Math.pow(10, fractionPlaces); |
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151 } |
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152 |
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153 public double extractKm(String line) throws NumberFormatException { |
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154 |
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155 if (line.length() <= deleteChars) { |
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156 throw new NumberFormatException("line too short"); |
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157 } |
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158 |
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159 String kmS = |
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160 line.substring(deleteChars, deleteChars+integerPlaces); |
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161 |
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162 double km = Double.parseDouble(kmS.trim()); |
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163 |
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164 if (kmS.indexOf('.') < 0) { |
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165 km /= shift; |
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166 } |
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167 |
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168 return fractionPlaces > 0 |
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169 ? ((int)(km*shift))/shift |
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170 : km; |
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171 } |
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172 } // class KMFormat |
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173 |
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174 protected Map<Double, List<XY>> data; |
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175 |
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176 protected Integer year; |
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177 |
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178 protected String description; |
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179 |
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180 |
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181 public PRFParser() { |
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182 data = new TreeMap<Double, List<XY>>(); |
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183 } |
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184 |
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185 public Integer getYear() { |
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186 return year; |
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187 } |
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188 |
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189 public void setYear(Integer year) { |
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190 this.year = year; |
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191 } |
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192 |
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193 public String getDescription() { |
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194 return description; |
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195 } |
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196 |
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197 public void setDescription(String description) { |
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198 this.description = description; |
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199 } |
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200 |
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201 public Map<Double, List<XY>> getData() { |
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202 return data; |
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203 } |
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204 |
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205 public void setData(Map<Double, List<XY>> data) { |
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206 this.data = data; |
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207 } |
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208 |
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|
209 protected void sortLists() { |
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210 for (List<XY> xy: data.values()) { |
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|
211 Collections.sort(xy); |
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|
212 } |
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|
213 } |
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|
214 |
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|
215 public static final Integer findYear(String s) { |
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216 Matcher m = YEAR_PATTERN.matcher(s); |
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217 while (m.find()) { |
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218 int year = Integer.parseInt(m.group(1)); |
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219 if (year >= MIN_YEAR && year <= MAX_YEAR) { |
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220 return Integer.valueOf(year); |
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221 } |
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222 } |
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223 return null; |
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224 } |
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225 |
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226 public boolean parse(File file) { |
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227 |
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228 if (!(file.isFile() && file.canRead())) { |
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229 log.warn("cannot open file '" + file + "'"); |
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230 return false; |
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231 } |
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232 |
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|
233 log.info("parsing PRF file: '" + file + "'"); |
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234 |
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235 description = file.getName(); |
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236 |
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|
237 year = findYear(file.getName()); |
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238 |
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Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
239 if (year == null) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
240 File parent = file.getParentFile(); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
241 if (parent != null) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
242 description = parent.getName() + "/" + description; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
243 year = findYear(parent.getName()); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
244 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
245 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
246 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
247 if (year != null) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
248 log.info("year of sounding: " + year); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
249 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
250 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
251 LineNumberReader in = null; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
252 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
253 try { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
254 in = |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
255 new LineNumberReader( |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
256 new InputStreamReader( |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
257 new FileInputStream(file), ENCODING)); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
258 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
259 String line = in.readLine(); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
260 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
261 if (line == null || (line = line.trim()).length() == 0) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
262 log.warn("file is empty."); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
263 return false; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
264 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
265 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
266 Matcher m = DATA_PATTERN.matcher(line); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
267 |
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Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
268 if (!m.matches()) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
269 log.warn("First line does not look like a PRF data pattern."); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
270 return false; |
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Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
271 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
272 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
273 DataFormat dataFormat = new DataFormat(m); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
274 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
275 if ((line = in.readLine()) == null |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
276 || (line = line.trim()).length() == 0) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
277 log.warn("premature EOF. Expected integer in line 2"); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
278 return false; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
279 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
280 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
281 try { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
282 if (Integer.parseInt(line) != dataFormat.maxRepetitions) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
283 log.warn("Expected " + |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
284 dataFormat.maxRepetitions + " in line 2"); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
285 return false; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
286 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
287 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
288 catch (NumberFormatException nfe) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
289 log.warn("invalid integer in line 2", nfe); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
290 return false; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
291 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
292 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
293 if ((line = in.readLine()) == null) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
294 log.warn( |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
295 "premature EOF. Expected pattern for km extraction"); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
296 return false; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
297 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
298 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
299 m = KM_PATTERN.matcher(line); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
300 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
301 if (!m.matches()) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
302 log.warn( |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
303 "line 4 does not look like a PRF km extraction pattern."); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
304 return false; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
305 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
306 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
307 KMFormat kmFormat = new KMFormat(m); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
308 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
309 if ((line = in.readLine()) == null |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
310 || (line = line.trim()).length() == 0) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
311 log.warn("premature EOF. Expected skip row count."); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
312 return false; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
313 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
314 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
315 int lineSkipCount; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
316 try { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
317 if ((lineSkipCount = Integer.parseInt(line)) < 0) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
318 throw new IllegalArgumentException(lineSkipCount + " < 0"); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
319 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
320 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
321 catch (NumberFormatException nfe) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
322 log.warn( |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
323 "line 5 is not an positive integer."); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
324 return false; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
325 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
326 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
327 int skip = lineSkipCount; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
328 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
329 while ((line = in.readLine()) != null) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
330 if (skip > 0) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
331 --skip; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
332 continue; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
333 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
334 double km; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
335 try { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
336 km = kmFormat.extractKm(line); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
337 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
338 catch (NumberFormatException iae) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
339 log.warn("cannot extract km in line + " + in.getLineNumber()); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
340 return false; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
341 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
342 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
343 Double station = Double.valueOf(km); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
344 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
345 List<XY> kmData = data.get(station); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
346 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
347 if (kmData == null) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
348 //log.debug("found new km: " + station); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
349 kmData = new ArrayList<XY>(); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
350 data.put(station, kmData); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
351 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
352 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
353 int c = dataFormat.extractData(line, kmData); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
354 if (c < 1) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
355 skip = lineSkipCount + c; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
356 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
357 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
358 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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359 // sort all the lists by x and index |
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360 sortLists(); |
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361 } |
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362 catch (IOException ioe) { |
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363 log.error(ioe); |
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364 return false; |
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365 } |
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366 finally { |
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367 if (in != null) { |
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368 try { |
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369 in.close(); |
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370 } |
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371 catch (IOException ioe) { |
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372 log.error(ioe); |
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373 } |
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374 } |
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375 } |
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376 |
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377 return true; |
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378 } |
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379 |
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380 public void reset() { |
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381 data.clear(); |
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382 year = null; |
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383 description = null; |
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384 } |
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385 |
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386 public void parsePRFs(File root, Callback callback) { |
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387 |
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388 Stack<File> stack = new Stack<File>(); |
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389 stack.push(root); |
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390 |
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391 while (!stack.empty()) { |
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392 File file = stack.pop(); |
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393 if (file.isDirectory()) { |
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394 File [] files = file.listFiles(); |
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395 if (files != null) { |
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396 for (File f: files) { |
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397 stack.push(f); |
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398 } |
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399 } |
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400 } |
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401 else if (file.isFile() |
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402 && file.getName().toLowerCase().endsWith(".prf") |
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403 && (callback == null || callback.prfAccept(file)) |
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404 ) { |
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405 reset(); |
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406 boolean success = parse(file); |
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407 log.info("parsing " + (success ? "succeeded" : "failed")); |
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408 if (success && callback != null) { |
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409 callback.prfParsed(this); |
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410 } |
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411 } |
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412 } |
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413 } |
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414 |
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415 public static void main(String [] args) { |
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416 |
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417 PRFParser parser = new PRFParser(); |
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418 |
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419 for (String arg: args) { |
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420 parser.parsePRFs(new File(arg), null); |
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421 } |
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422 } |
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423 } |
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424 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |