Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/AnnotationsParser.java @ 763:8076f6a689d0

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First part of flys/issue18 flys-backend/trunk@2124 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 15 Jun 2011 09:22:00 +0000
parents 9f2204ed79ed
children 763c4137d6e1
rev   line source
186
cf8cbcb6a10d Added parser to read *.KM files.
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parents:
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1 package de.intevation.flys.importer;
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2
cf8cbcb6a10d Added parser to read *.KM files.
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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
cf8cbcb6a10d Added parser to read *.KM files.
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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
cf8cbcb6a10d Added parser to read *.KM files.
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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
cf8cbcb6a10d Added parser to read *.KM files.
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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
cf8cbcb6a10d Added parser to read *.KM files.
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35 public AnnotationsParser() {
cf8cbcb6a10d Added parser to read *.KM files.
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36 attributes = new HashMap<String, ImportAttribute>();
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37 positions = new HashMap<String, ImportPosition>();
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38 annotations = new TreeSet<ImportAnnotation>();
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39 }
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40
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41 public void parseFile(File file) throws IOException {
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42 log.info("parsing km file: '" + file + "'");
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43 LineNumberReader in = null;
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44 try {
cf8cbcb6a10d Added parser to read *.KM files.
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45 in =
cf8cbcb6a10d Added parser to read *.KM files.
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46 new LineNumberReader(
cf8cbcb6a10d Added parser to read *.KM files.
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47 new InputStreamReader(
cf8cbcb6a10d Added parser to read *.KM files.
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48 new FileInputStream(file), ENCODING));
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49
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50 String line = null;
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51 while ((line = in.readLine()) != null) {
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52 if ((line = line.trim()).length() == 0
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53 || line.startsWith("*")) {
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54 continue;
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55 }
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56
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57 String [] parts = line.split("\\s*;\\s*");
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58
cf8cbcb6a10d Added parser to read *.KM files.
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59 if (parts.length < 3) {
cf8cbcb6a10d Added parser to read *.KM files.
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60 log.warn("not enough columns in line "
cf8cbcb6a10d Added parser to read *.KM files.
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61 + in.getLineNumber());
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62 continue;
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63 }
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64
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65 ImportPosition position = positions.get(parts[0]);
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66 if (position == null) {
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67 position = new ImportPosition(parts[0]);
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68 positions.put(parts[0], position);
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69 }
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70
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71 ImportAttribute attribute = attributes.get(parts[1]);
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72 if (attribute == null) {
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73 attribute = new ImportAttribute(parts[1]);
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74 attributes.put(parts[1], attribute);
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75 }
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76
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77 String [] r = parts[2].replace(",", ".").split("\\s*#\\s*");
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78
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79 BigDecimal from, to;
186
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80
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81 try {
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82 from = new BigDecimal(r[0]);
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83 to = r.length < 2 ? null : new BigDecimal(r[1]);
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84 if (to != null && from.compareTo(to) > 0) {
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85 BigDecimal t = from; from = to; to = t;
186
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86 }
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87 }
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88 catch (NumberFormatException nfe) {
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89 log.warn("invalid number in line " + in.getLineNumber());
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90 continue;
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91 }
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92
759
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93 ImportEdge edge = null;
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94
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95 if (parts.length == 4) { // Only 'Unterkante'
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96 try {
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97 edge = new ImportEdge(
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98 null,
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99 new BigDecimal(parts[3].trim().replace(',', '.')));
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100 }
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101 catch (NumberFormatException nfe) {
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102 log.warn("cannot parse 'Unterkante' in line " +
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103 in.getLineNumber());
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104 }
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105 }
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106 else if (parts.length > 4) { // 'Unterkante' and 'Oberkante'
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107 String bottom = parts[3].trim().replace(',', '.');
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108 String top = parts[4].trim().replace(',', '.');
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109 try {
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110 BigDecimal b = bottom.length() == 0
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111 ? null
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112 : new BigDecimal(bottom);
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113 BigDecimal t = top.length() == 0
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114 ? null
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115 : new BigDecimal(top);
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116 edge = new ImportEdge(t, b);
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117 }
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118 catch (NumberFormatException nfe) {
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119 log.warn(
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120 "cannot parse 'Unterkante' or 'Oberkante' in line "
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121 + in.getLineNumber());
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122 }
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123 }
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124
186
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125 ImportRange range = new ImportRange(from, to);
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126
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127 ImportAnnotationType type = null; // TODO: do classification
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128
186
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129 ImportAnnotation annotation = new ImportAnnotation(
763
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130 attribute, position, range, edge, type);
186
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131
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132 if (!annotations.add(annotation)) {
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133 log.debug("duplicated annotation in line "
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134 + in.getLineNumber());
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135 }
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136 }
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137 }
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138 finally {
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139 if (in != null) {
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140 in.close();
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141 }
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142 }
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143 }
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144
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145 public void parse(File root) throws IOException {
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146
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147 for (String toScan: TO_SCAN) {
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148 File directory = FileTools.repair(new File(root, toScan));
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149 if (!directory.isDirectory()) {
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150 log.warn("'" + directory + "' is not a directory.");
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151 continue;
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152 }
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153 File [] files = directory.listFiles();
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154 if (files == null) {
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155 log.warn("cannot list directory '" + directory + "'");
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156 continue;
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157 }
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158
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159 for (File file: files) {
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160 if (file.isFile() && file.canRead()
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161 && file.getName().toLowerCase().endsWith(".km")) {
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162 parseFile(file);
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163 }
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164 }
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165 } // for all directories to scan
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166 }
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167
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168 public List<ImportAnnotation> getAnnotations() {
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169 return new ArrayList<ImportAnnotation>(annotations);
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170 }
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171 }
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172 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org