Mercurial > dive4elements > river
comparison flys-backend/src/main/java/de/intevation/flys/importer/parsers/PegelGltParser.java @ 1211:f08fe480092c
Moved file parsers to separate package.
flys-backend/trunk@2337 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Fri, 15 Jul 2011 13:07:45 +0000 |
parents | |
children | c5c48f52dc7b |
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1210:31d8638760b1 | 1211:f08fe480092c |
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1 package de.intevation.flys.importer.parsers; | |
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 import de.intevation.flys.importer.ImportGauge; | |
20 import de.intevation.flys.importer.ImportRange; | |
21 | |
22 public class PegelGltParser | |
23 { | |
24 private static Logger log = Logger.getLogger(PegelGltParser.class); | |
25 | |
26 public static final String ENCODING = "ISO-8859-1"; | |
27 | |
28 public static final String KM = "km:"; | |
29 | |
30 protected List<ImportGauge> gauges; | |
31 | |
32 public PegelGltParser() { | |
33 gauges = new ArrayList<ImportGauge>(); | |
34 } | |
35 | |
36 public List<ImportGauge> getGauges() { | |
37 return gauges; | |
38 } | |
39 | |
40 public void parse(File file) throws IOException { | |
41 | |
42 File parent = file.getParentFile(); | |
43 | |
44 log.info("parsing GLT file '" + file + "'"); | |
45 LineNumberReader in = null; | |
46 try { | |
47 in = | |
48 new LineNumberReader( | |
49 new InputStreamReader( | |
50 new FileInputStream(file), ENCODING)); | |
51 | |
52 String line = null; | |
53 while ((line = in.readLine()) != null) { | |
54 if ((line = line.trim()).length() == 0) { | |
55 continue; | |
56 } | |
57 | |
58 int kmPos = line.indexOf(KM); | |
59 if (kmPos < 0) { | |
60 log.warn("no gauge found in line " + in.getLineNumber()); | |
61 continue; | |
62 } | |
63 | |
64 String gaugeName = line.substring(0, kmPos).trim(); | |
65 log.info("Found gauge '" + gaugeName + "'"); | |
66 | |
67 line = line.substring(kmPos + KM.length()).trim(); | |
68 | |
69 String [] parts = line.split("\\s+"); | |
70 if (parts.length < 4) { | |
71 log.warn("line " + in.getLineNumber() | |
72 + " has not enough columns"); | |
73 continue; | |
74 } | |
75 | |
76 BigDecimal from = new BigDecimal(parts[0].replace(",", ".")); | |
77 BigDecimal to = new BigDecimal(parts[1].replace(",", ".")); | |
78 if (from.compareTo(from) > 0) { | |
79 BigDecimal t = from; from = to; to = t; | |
80 } | |
81 ImportRange range = new ImportRange(from, to); | |
82 File staFile = FileTools.repair(new File(parent, parts[2])); | |
83 File atFile = FileTools.repair(new File(parent, parts[3])); | |
84 | |
85 if (log.isDebugEnabled()) { | |
86 log.debug("\tfrom: " + from); | |
87 log.debug("\tto: " + to); | |
88 log.debug("\tsta: " + staFile); | |
89 log.debug("\tat: " + atFile); | |
90 } | |
91 | |
92 gauges.add(new ImportGauge(range, staFile, atFile)); | |
93 } | |
94 } | |
95 finally { | |
96 if (in != null) { | |
97 in.close(); | |
98 } | |
99 } | |
100 } | |
101 } | |
102 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |