Mercurial > dive4elements > river
comparison flys-backend/src/main/java/de/intevation/flys/importer/PegelGltParser.java @ 508:a9c7f6ec3a5a 2.3.1
merged flys-backend/2.3.1
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:14:12 +0200 |
| parents | d37ccb04ab5d |
| children |
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| 462:ebf049a1eb53 | 508:a9c7f6ec3a5a |
|---|---|
| 1 package de.intevation.flys.importer; | |
| 2 | |
| 3 import java.io.File; | |
| 4 | |
| 5 import java.util.List; | |
| 6 import java.util.ArrayList; | |
| 7 | |
| 8 import java.io.IOException; | |
| 9 import java.io.LineNumberReader; | |
| 10 import java.io.FileInputStream; | |
| 11 import java.io.InputStreamReader; | |
| 12 | |
| 13 import java.math.BigDecimal; | |
| 14 | |
| 15 import org.apache.log4j.Logger; | |
| 16 | |
| 17 import de.intevation.flys.utils.FileTools; | |
| 18 | |
| 19 public class PegelGltParser | |
| 20 { | |
| 21 private static Logger log = Logger.getLogger(PegelGltParser.class); | |
| 22 | |
| 23 public static final String ENCODING = "ISO-8859-1"; | |
| 24 | |
| 25 public static final String KM = "km:"; | |
| 26 | |
| 27 protected List<ImportGauge> gauges; | |
| 28 | |
| 29 public PegelGltParser() { | |
| 30 gauges = new ArrayList<ImportGauge>(); | |
| 31 } | |
| 32 | |
| 33 public List<ImportGauge> getGauges() { | |
| 34 return gauges; | |
| 35 } | |
| 36 | |
| 37 public void parse(File file) throws IOException { | |
| 38 | |
| 39 File parent = file.getParentFile(); | |
| 40 | |
| 41 log.info("parsing GLT file '" + file + "'"); | |
| 42 LineNumberReader in = null; | |
| 43 try { | |
| 44 in = | |
| 45 new LineNumberReader( | |
| 46 new InputStreamReader( | |
| 47 new FileInputStream(file), ENCODING)); | |
| 48 | |
| 49 String line = null; | |
| 50 while ((line = in.readLine()) != null) { | |
| 51 if ((line = line.trim()).length() == 0) { | |
| 52 continue; | |
| 53 } | |
| 54 | |
| 55 int kmPos = line.indexOf(KM); | |
| 56 if (kmPos < 0) { | |
| 57 log.warn("no gauge found in line " + in.getLineNumber()); | |
| 58 continue; | |
| 59 } | |
| 60 | |
| 61 String gaugeName = line.substring(0, kmPos).trim(); | |
| 62 log.info("Found gauge '" + gaugeName + "'"); | |
| 63 | |
| 64 line = line.substring(kmPos + KM.length()).trim(); | |
| 65 | |
| 66 String [] parts = line.split("\\s+"); | |
| 67 if (parts.length < 4) { | |
| 68 log.warn("line " + in.getLineNumber() | |
| 69 + " has not enough columns"); | |
| 70 continue; | |
| 71 } | |
| 72 | |
| 73 BigDecimal from = new BigDecimal(parts[0].replace(",", ".")); | |
| 74 BigDecimal to = new BigDecimal(parts[1].replace(",", ".")); | |
| 75 if (from.compareTo(from) > 0) { | |
| 76 BigDecimal t = from; from = to; to = t; | |
| 77 } | |
| 78 ImportRange range = new ImportRange(from, to); | |
| 79 File staFile = FileTools.repair(new File(parent, parts[2])); | |
| 80 File atFile = FileTools.repair(new File(parent, parts[3])); | |
| 81 | |
| 82 if (log.isDebugEnabled()) { | |
| 83 log.debug("\tfrom: " + from); | |
| 84 log.debug("\tto: " + to); | |
| 85 log.debug("\tsta: " + staFile); | |
| 86 log.debug("\tat: " + atFile); | |
| 87 } | |
| 88 | |
| 89 gauges.add(new ImportGauge(range, staFile, atFile)); | |
| 90 } | |
| 91 } | |
| 92 finally { | |
| 93 if (in != null) { | |
| 94 in.close(); | |
| 95 } | |
| 96 } | |
| 97 } | |
| 98 } | |
| 99 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |