Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/AnnotationsParser.java @ 765:763c4137d6e1

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Added classification of annotation types. Needs testing! flys-backend/trunk@2162 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sun, 19 Jun 2011 12:26:12 +0000
parents 8076f6a689d0
children aa9e3da95c31
rev   line source
186
cf8cbcb6a10d Added parser to read *.KM files.
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1 package de.intevation.flys.importer;
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2
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3 import java.util.HashMap;
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4 import java.util.TreeSet;
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5 import java.util.List;
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6 import java.util.ArrayList;
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7
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8 import java.io.IOException;
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9 import java.io.File;
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10 import java.io.LineNumberReader;
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11 import java.io.InputStreamReader;
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12 import java.io.FileInputStream;
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13
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14 import java.math.BigDecimal;
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15
186
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16 import org.apache.log4j.Logger;
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17
cf8cbcb6a10d Added parser to read *.KM files.
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18 import de.intevation.flys.utils.FileTools;
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19
cf8cbcb6a10d Added parser to read *.KM files.
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20 public class AnnotationsParser
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21 {
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22 private static Logger log = Logger.getLogger(AnnotationsParser.class);
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23
cf8cbcb6a10d Added parser to read *.KM files.
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24 public static final String ENCODING = "ISO-8859-1";
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25
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26 public static final String [] TO_SCAN = {
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27 "Basisdaten",
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28 "Streckendaten"
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29 };
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30
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31 protected HashMap<String, ImportAttribute> attributes;
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32 protected HashMap<String, ImportPosition> positions;
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33 protected TreeSet<ImportAnnotation> annotations;
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34 protected AnnotationClassifier classifier;
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35
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36 public AnnotationsParser() {
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37 this(null);
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38 }
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39
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40 public AnnotationsParser(AnnotationClassifier classifier) {
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41 attributes = new HashMap<String, ImportAttribute>();
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42 positions = new HashMap<String, ImportPosition>();
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43 annotations = new TreeSet<ImportAnnotation>();
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44 this.classifier = classifier;
186
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45 }
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46
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47 public void parseFile(File file) throws IOException {
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48 log.info("parsing km file: '" + file + "'");
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49
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50 ImportAnnotationType defaultIAT = null;
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51
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52 if (classifier != null) {
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53 defaultIAT = classifier.classifyFile(
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54 file.getName(),
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55 classifier.getDefaultType());
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56 }
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57
186
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58 LineNumberReader in = null;
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59 try {
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60 in =
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61 new LineNumberReader(
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62 new InputStreamReader(
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63 new FileInputStream(file), ENCODING));
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64
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65 String line = null;
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66 while ((line = in.readLine()) != null) {
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67 if ((line = line.trim()).length() == 0
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68 || line.startsWith("*")) {
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69 continue;
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70 }
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71
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72 String [] parts = line.split("\\s*;\\s*");
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73
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74 if (parts.length < 3) {
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75 log.warn("not enough columns in line "
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76 + in.getLineNumber());
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77 continue;
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78 }
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79
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80 ImportPosition position = positions.get(parts[0]);
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81 if (position == null) {
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82 position = new ImportPosition(parts[0]);
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83 positions.put(parts[0], position);
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84 }
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85
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86 ImportAttribute attribute = attributes.get(parts[1]);
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87 if (attribute == null) {
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88 attribute = new ImportAttribute(parts[1]);
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89 attributes.put(parts[1], attribute);
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90 }
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91
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92 String [] r = parts[2].replace(",", ".").split("\\s*#\\s*");
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93
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94 BigDecimal from, to;
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95
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96 try {
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97 from = new BigDecimal(r[0]);
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98 to = r.length < 2 ? null : new BigDecimal(r[1]);
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99 if (to != null && from.compareTo(to) > 0) {
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100 BigDecimal t = from; from = to; to = t;
186
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101 }
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102 }
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103 catch (NumberFormatException nfe) {
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104 log.warn("invalid number in line " + in.getLineNumber());
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105 continue;
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106 }
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107
759
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108 ImportEdge edge = null;
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109
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110 if (parts.length == 4) { // Only 'Unterkante'
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111 try {
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112 edge = new ImportEdge(
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113 null,
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114 new BigDecimal(parts[3].trim().replace(',', '.')));
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115 }
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116 catch (NumberFormatException nfe) {
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117 log.warn("cannot parse 'Unterkante' in line " +
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118 in.getLineNumber());
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119 }
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120 }
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121 else if (parts.length > 4) { // 'Unterkante' and 'Oberkante'
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122 String bottom = parts[3].trim().replace(',', '.');
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123 String top = parts[4].trim().replace(',', '.');
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124 try {
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125 BigDecimal b = bottom.length() == 0
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126 ? null
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127 : new BigDecimal(bottom);
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128 BigDecimal t = top.length() == 0
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129 ? null
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130 : new BigDecimal(top);
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131 edge = new ImportEdge(t, b);
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132 }
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133 catch (NumberFormatException nfe) {
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134 log.warn(
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135 "cannot parse 'Unterkante' or 'Oberkante' in line "
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136 + in.getLineNumber());
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137 }
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138 }
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139
186
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140 ImportRange range = new ImportRange(from, to);
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141
765
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142 ImportAnnotationType type = classifier != null
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143 ? classifier.classifyDescription(line, defaultIAT)
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144 : null;
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145
186
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146 ImportAnnotation annotation = new ImportAnnotation(
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147 attribute, position, range, edge, type);
186
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148
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149 if (!annotations.add(annotation)) {
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150 log.debug("duplicated annotation in line "
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151 + in.getLineNumber());
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152 }
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153 }
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154 }
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155 finally {
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156 if (in != null) {
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157 in.close();
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158 }
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159 }
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160 }
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161
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162 public void parse(File root) throws IOException {
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163
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164 for (String toScan: TO_SCAN) {
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165 File directory = FileTools.repair(new File(root, toScan));
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166 if (!directory.isDirectory()) {
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167 log.warn("'" + directory + "' is not a directory.");
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168 continue;
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169 }
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170 File [] files = directory.listFiles();
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171 if (files == null) {
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172 log.warn("cannot list directory '" + directory + "'");
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173 continue;
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174 }
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175
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176 for (File file: files) {
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177 if (file.isFile() && file.canRead()
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178 && file.getName().toLowerCase().endsWith(".km")) {
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179 parseFile(file);
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180 }
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181 }
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182 } // for all directories to scan
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183 }
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184
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185 public List<ImportAnnotation> getAnnotations() {
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186 return new ArrayList<ImportAnnotation>(annotations);
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187 }
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188 }
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189 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org