Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/PRFParser.java @ 1211:f08fe480092c

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Moved file parsers to separate package. flys-backend/trunk@2337 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 15 Jul 2011 13:07:45 +0000
parents
children cc88db4a5b34
rev   line source
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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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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diff changeset
210 for (List<XY> xy: data.values()) {
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diff changeset
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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diff changeset
216 Matcher m = YEAR_PATTERN.matcher(s);
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diff changeset
217 while (m.find()) {
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diff changeset
218 int year = Integer.parseInt(m.group(1));
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diff changeset
219 if (year >= MIN_YEAR && year <= MAX_YEAR) {
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diff changeset
220 return Integer.valueOf(year);
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221 }
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222 }
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diff changeset
223 return null;
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diff changeset
224 }
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diff changeset
225
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226 public boolean parse(File file) {
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227
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diff changeset
228 if (!(file.isFile() && file.canRead())) {
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diff changeset
229 log.warn("cannot open file '" + file + "'");
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diff changeset
230 return false;
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diff changeset
231 }
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diff changeset
232
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diff changeset
233 log.info("parsing PRF file: '" + file + "'");
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diff changeset
234
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diff changeset
235 description = file.getName();
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diff changeset
236
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diff changeset
237 year = findYear(file.getName());
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diff changeset
238
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diff changeset
239 if (year == null) {
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diff changeset
240 File parent = file.getParentFile();
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diff changeset
241 if (parent != null) {
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diff changeset
242 description = parent.getName() + "/" + description;
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diff changeset
243 year = findYear(parent.getName());
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parents:
diff changeset
244 }
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parents:
diff changeset
245 }
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parents:
diff changeset
246
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diff changeset
247 if (year != null) {
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diff changeset
248 log.info("year of sounding: " + year);
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diff changeset
249 }
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parents:
diff changeset
250
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parents:
diff changeset
251 LineNumberReader in = null;
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diff changeset
252
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parents:
diff changeset
253 try {
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parents:
diff changeset
254 in =
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diff changeset
255 new LineNumberReader(
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diff changeset
256 new InputStreamReader(
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parents:
diff changeset
257 new FileInputStream(file), ENCODING));
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parents:
diff changeset
258
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parents:
diff changeset
259 String line = in.readLine();
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parents:
diff changeset
260
f08fe480092c Moved file parsers to separate package.
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parents:
diff changeset
261 if (line == null || (line = line.trim()).length() == 0) {
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parents:
diff changeset
262 log.warn("file is empty.");
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parents:
diff changeset
263 return false;
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parents:
diff changeset
264 }
f08fe480092c Moved file parsers to separate package.
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parents:
diff changeset
265
f08fe480092c Moved file parsers to separate package.
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parents:
diff changeset
266 Matcher m = DATA_PATTERN.matcher(line);
f08fe480092c Moved file parsers to separate package.
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parents:
diff changeset
267
f08fe480092c Moved file parsers to separate package.
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parents:
diff changeset
268 if (!m.matches()) {
f08fe480092c Moved file parsers to separate package.
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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;
f08fe480092c 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 changeset
359 // sort all the lists by x and index
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
360 sortLists();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
361 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
362 catch (IOException ioe) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
363 log.error(ioe);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
364 return false;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
365 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
366 finally {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
367 if (in != null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
368 try {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
369 in.close();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
370 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
371 catch (IOException ioe) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
372 log.error(ioe);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
373 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
374 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
375 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
376
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
377 return true;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
378 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
379
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
380 public void reset() {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
381 data.clear();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
382 year = null;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
383 description = null;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
384 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
385
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
386 public void parsePRFs(File root, Callback callback) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
387
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
388 Stack<File> stack = new Stack<File>();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
389 stack.push(root);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
390
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
391 while (!stack.empty()) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
392 File file = stack.pop();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
393 if (file.isDirectory()) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
394 File [] files = file.listFiles();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
395 if (files != null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
396 for (File f: files) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
397 stack.push(f);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
398 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
399 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
400 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
401 else if (file.isFile()
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
402 && file.getName().toLowerCase().endsWith(".prf")
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
403 && (callback == null || callback.prfAccept(file))
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
404 ) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
405 reset();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
406 boolean success = parse(file);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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407 log.info("parsing " + (success ? "succeeded" : "failed"));
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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408 if (success && callback != null) {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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409 callback.prfParsed(this);
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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410 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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411 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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412 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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413 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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414
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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415 public static void main(String [] args) {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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416
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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417 PRFParser parser = new PRFParser();
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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418
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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419 for (String arg: args) {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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420 parser.parsePRFs(new File(arg), null);
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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421 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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422 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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423 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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424 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org