Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/AnnotationsParser.java @ 186:cf8cbcb6a10d

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Added parser to read *.KM files. flys-backend/trunk@1506 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Thu, 17 Mar 2011 17:43:57 +0000
parents
children bc3747a371cc
rev   line source
186
cf8cbcb6a10d Added parser to read *.KM files.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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
cf8cbcb6a10d Added parser to read *.KM files.
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14 import org.apache.log4j.Logger;
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15
cf8cbcb6a10d Added parser to read *.KM files.
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16 import de.intevation.flys.utils.FileTools;
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17
cf8cbcb6a10d Added parser to read *.KM files.
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18 public class AnnotationsParser
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19 {
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20 private static Logger log = Logger.getLogger(AnnotationsParser.class);
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21
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22 public static final String ENCODING = "ISO-8859-1";
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23
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24 public static final String [] TO_SCAN = {
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25 "Basisdaten",
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26 "Streckendaten"
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27 };
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28
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29 protected HashMap<String, ImportAttribute> attributes;
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30 protected HashMap<String, ImportPosition> positions;
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31 protected TreeSet<ImportAnnotation> annotations;
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32
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33 public AnnotationsParser() {
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34 attributes = new HashMap<String, ImportAttribute>();
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35 positions = new HashMap<String, ImportPosition>();
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36 annotations = new TreeSet<ImportAnnotation>();
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37 }
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38
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39 public void parseFile(File file) throws IOException {
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40 log.info("parsing km file: '" + file + "'");
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41 LineNumberReader in = null;
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42 try {
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43 in =
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44 new LineNumberReader(
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45 new InputStreamReader(
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46 new FileInputStream(file), ENCODING));
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47
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48 String line = null;
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49 while ((line = in.readLine()) != null) {
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50 if ((line = line.trim()).length() == 0
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51 || line.startsWith("*")) {
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52 continue;
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53 }
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54
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55 String [] parts = line.split("\\s*;\\s*");
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56
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57 if (parts.length < 3) {
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58 log.warn("not enough columns in line "
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59 + in.getLineNumber());
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60 continue;
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61 }
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62
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63 ImportPosition position = positions.get(parts[0]);
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64 if (position == null) {
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65 position = new ImportPosition(parts[0]);
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66 positions.put(parts[0], position);
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67 }
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68
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69 ImportAttribute attribute = attributes.get(parts[1]);
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70 if (attribute == null) {
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71 attribute = new ImportAttribute(parts[1]);
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72 attributes.put(parts[1], attribute);
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73 }
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74
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75 String [] r = parts[2].replace(",", ".").split("\\s*#\\s*");
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76
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77 Double from, to;
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78
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79 try {
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80 from = Double.valueOf(r[0]);
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81 to = r.length < 2 ? null : Double.valueOf(r[1]);
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82 if (to != null && from > to) {
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83 Double t = from; from = to; to = t;
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84 }
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85 }
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86 catch (NumberFormatException nfe) {
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87 log.warn("invalid number in line " + in.getLineNumber());
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88 continue;
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89 }
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90
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91 ImportRange range = new ImportRange(from, to);
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92
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93 ImportAnnotation annotation = new ImportAnnotation(
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94 attribute, position, range);
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95
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96 if (!annotations.add(annotation)) {
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97 log.debug("duplicated annotation in line "
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98 + in.getLineNumber());
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99 }
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100 }
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101 }
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102 finally {
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103 if (in != null) {
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104 in.close();
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105 }
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106 }
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107 }
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108
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109 public void parse(File root) throws IOException {
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110
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111 for (String toScan: TO_SCAN) {
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112 File directory = FileTools.repair(new File(root, toScan));
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113 if (!directory.isDirectory()) {
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114 log.warn("'" + directory + "' is not a directory.");
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115 continue;
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116 }
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117 File [] files = directory.listFiles();
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118 if (files == null) {
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119 log.warn("cannot list directory '" + directory + "'");
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120 continue;
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121 }
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122
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123 for (File file: files) {
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124 if (file.isFile() && file.canRead()
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125 && file.getName().toLowerCase().endsWith(".km")) {
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126 parseFile(file);
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127 }
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128 }
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129 } // for all directories to scan
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130 }
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131
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132 public List<ImportAnnotation> getAnnotations() {
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133 return new ArrayList<ImportAnnotation>(annotations);
cf8cbcb6a10d Added parser to read *.KM files.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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134 }
cf8cbcb6a10d Added parser to read *.KM files.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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135 }
cf8cbcb6a10d Added parser to read *.KM files.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
136 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org