--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-backend/src/main/java/de/intevation/flys/importer/PegelGltParser.java	Fri Sep 28 12:14:12 2012 +0200
@@ -0,0 +1,99 @@
+package de.intevation.flys.importer;
+
+import java.io.File;
+
+import java.util.List;
+import java.util.ArrayList;
+
+import java.io.IOException;
+import java.io.LineNumberReader;
+import java.io.FileInputStream;
+import java.io.InputStreamReader;
+
+import java.math.BigDecimal;
+
+import org.apache.log4j.Logger;
+
+import de.intevation.flys.utils.FileTools;
+
+public class PegelGltParser
+{
+    private static Logger log = Logger.getLogger(PegelGltParser.class);
+
+    public static final String ENCODING = "ISO-8859-1";
+
+    public static final String KM = "km:";
+
+    protected List<ImportGauge> gauges;
+
+    public PegelGltParser() {
+        gauges = new ArrayList<ImportGauge>();
+    }
+
+    public List<ImportGauge> getGauges() {
+        return gauges;
+    }
+
+    public void parse(File file) throws IOException {
+
+        File parent = file.getParentFile();
+
+        log.info("parsing GLT file '" + file + "'");
+        LineNumberReader in = null;
+        try {
+            in =
+                new LineNumberReader(
+                new InputStreamReader(
+                new FileInputStream(file), ENCODING));
+
+            String line = null;
+            while ((line = in.readLine()) != null) {
+                if ((line = line.trim()).length() == 0) {
+                    continue;
+                }
+
+                int kmPos = line.indexOf(KM);
+                if (kmPos < 0) {
+                    log.warn("no gauge found in line " + in.getLineNumber());
+                    continue;
+                }
+
+                String gaugeName = line.substring(0, kmPos).trim();
+                log.info("Found gauge '" + gaugeName + "'");
+
+                line = line.substring(kmPos + KM.length()).trim();
+
+                String [] parts = line.split("\\s+");
+                if (parts.length < 4) {
+                    log.warn("line " + in.getLineNumber()
+                        + " has not enough columns");
+                    continue;
+                }
+
+                BigDecimal from = new BigDecimal(parts[0].replace(",", "."));
+                BigDecimal to   = new BigDecimal(parts[1].replace(",", "."));
+                if (from.compareTo(from) > 0) {
+                    BigDecimal t = from; from = to; to = t;
+                }
+                ImportRange range = new ImportRange(from, to);
+                File staFile = FileTools.repair(new File(parent, parts[2]));
+                File atFile  = FileTools.repair(new File(parent, parts[3]));
+
+                if (log.isDebugEnabled()) {
+                    log.debug("\tfrom: " + from);
+                    log.debug("\tto: " + to);
+                    log.debug("\tsta: " + staFile);
+                    log.debug("\tat: " + atFile);
+                }
+
+                gauges.add(new ImportGauge(range, staFile, atFile));
+            }
+        }
+        finally {
+            if (in != null) {
+                in.close();
+            }
+        }
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :