Mercurial > dive4elements > river
comparison flys-backend/src/main/java/org/dive4elements/river/importer/parsers/DA50Parser.java @ 5828:dfb26b03b179
Moved directories to org.dive4elements.river
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 11:53:11 +0200 |
| parents | flys-backend/src/main/java/de/intevation/flys/importer/parsers/DA50Parser.java@03c824858a40 |
| children | 18619c1e7c2a |
comparison
equal
deleted
inserted
replaced
| 5827:e308d4ecd35a | 5828:dfb26b03b179 |
|---|---|
| 1 package de.intevation.flys.importer.parsers; | |
| 2 | |
| 3 import java.util.ArrayList; | |
| 4 import java.util.Map; | |
| 5 import java.util.List; | |
| 6 import java.util.TreeMap; | |
| 7 | |
| 8 import java.io.File; | |
| 9 import java.io.IOException; | |
| 10 | |
| 11 import org.apache.log4j.Logger; | |
| 12 | |
| 13 import de.intevation.flys.importer.XY; | |
| 14 | |
| 15 import de.intevation.artifacts.common.utils.FileTools; | |
| 16 | |
| 17 import de.intevation.flys.utils.EpsilonComparator; | |
| 18 | |
| 19 | |
| 20 /** | |
| 21 * To create cross-sections, generate: Map<double,list<xy>> from files | |
| 22 * in da50 format. | |
| 23 */ | |
| 24 public class DA50Parser extends LineParser implements CrossSectionParser | |
| 25 { | |
| 26 /** Private logger. */ | |
| 27 private static Logger logger = Logger.getLogger(DA50Parser.class); | |
| 28 | |
| 29 /** The current line to which add points. */ | |
| 30 private List<XY> currentLine; | |
| 31 | |
| 32 /** Data collected so far, last element will be currentLine. */ | |
| 33 protected Map<Double, List<XY>> data; | |
| 34 | |
| 35 | |
| 36 /** Trivial constructor. */ | |
| 37 public DA50Parser() { | |
| 38 data = new TreeMap<Double, List<XY>>(EpsilonComparator.CMP); | |
| 39 } | |
| 40 | |
| 41 | |
| 42 /** Get the description of the cross section parsed. */ | |
| 43 @Override | |
| 44 public String getDescription() { | |
| 45 return FileTools.removeExtension(getFileName()); | |
| 46 } | |
| 47 | |
| 48 | |
| 49 /** Get the year of this cross sections measurement. */ | |
| 50 @Override | |
| 51 public Integer getYear() { | |
| 52 return null; | |
| 53 } | |
| 54 | |
| 55 | |
| 56 /** | |
| 57 * Return the data parsed. | |
| 58 * @return map of stations (km) to list of points. | |
| 59 */ | |
| 60 @Override | |
| 61 public Map<Double, List<XY>> getData() { | |
| 62 return data; | |
| 63 } | |
| 64 | |
| 65 | |
| 66 /** Walk a directory tree and attempt parsing all *.d50 files. */ | |
| 67 public void parseDA50s(File root, final Callback callback) { | |
| 68 | |
| 69 FileTools.walkTree(root, new FileTools.FileVisitor() { | |
| 70 @Override | |
| 71 public boolean visit(File file) { | |
| 72 // TODO check presence of TIM file. | |
| 73 if (file.isFile() && file.canRead() | |
| 74 && file.getName().toLowerCase().endsWith(".d50") | |
| 75 && (callback == null || callback.accept(file))) { | |
| 76 reset(); | |
| 77 try { | |
| 78 parse(file); | |
| 79 logger.info("parsing done"); | |
| 80 if (callback != null) { | |
| 81 callback.parsed(DA50Parser.this); | |
| 82 } | |
| 83 } | |
| 84 catch (IOException ioe) { | |
| 85 logger.error("IOException while parsing file"); | |
| 86 return false; | |
| 87 } | |
| 88 } | |
| 89 return true; | |
| 90 } | |
| 91 }); | |
| 92 } | |
| 93 | |
| 94 | |
| 95 /** Called before consuming first line of file. */ | |
| 96 public void reset() { | |
| 97 data.clear(); | |
| 98 currentLine = new ArrayList<XY>(); | |
| 99 } | |
| 100 | |
| 101 | |
| 102 /** | |
| 103 * Called for each line. Try to extract info from a da50 line. | |
| 104 */ | |
| 105 @Override | |
| 106 protected void handleLine(int lineNum, String line) { | |
| 107 String pointId = line.substring(0,2); | |
| 108 String streetId = line.substring(2,9); | |
| 109 String station = line.substring(9,18); | |
| 110 String free = line.substring(18,20); | |
| 111 String gkLRight = line.substring(20,30); | |
| 112 String gkLHigh = line.substring(30,40); | |
| 113 String gkRRight = line.substring(40,50); | |
| 114 String gkRHigh = line.substring(50,60); | |
| 115 String distance = line.substring(60,70); | |
| 116 | |
| 117 // TODO Intersect/Correlate these with e.g. TIM files. | |
| 118 // TODO note that as-is these points are really useless. | |
| 119 currentLine = new ArrayList<XY>(); | |
| 120 currentLine.add(new XY(0, 10,0)); | |
| 121 currentLine.add(new XY(Double.parseDouble(distance), 10, 1)); | |
| 122 } | |
| 123 | |
| 124 | |
| 125 /** Called when file is fully consumed. */ | |
| 126 @Override | |
| 127 protected void finish() { | |
| 128 logger.info("Parsed " + data.size() + " lines"); | |
| 129 } | |
| 130 | |
| 131 | |
| 132 /** Parses files given as arguments. */ | |
| 133 public static void main(String [] args) { | |
| 134 | |
| 135 DA50Parser parser = new DA50Parser(); | |
| 136 | |
| 137 logger.warn("Start parsing files."); | |
| 138 for (String arg: args) { | |
| 139 parser.parseDA50s(new File(arg), null); | |
| 140 logger.warn("Parsing a file."); | |
| 141 } | |
| 142 logger.error("Finished parsing files."); | |
| 143 } | |
| 144 } | |
| 145 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |