--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/backend/src/main/java/org/dive4elements/river/importer/parsers/BedHeightSingleParser.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,105 @@
+package org.dive4elements.river.importer.parsers;
+
+import java.math.BigDecimal;
+
+import java.text.ParseException;
+
+import org.apache.log4j.Logger;
+
+import org.dive4elements.river.importer.ImportBedHeight;
+import org.dive4elements.river.importer.ImportBedHeightSingle;
+import org.dive4elements.river.importer.ImportBedHeightSingleValue;
+
+
+public class BedHeightSingleParser extends BedHeightParser {
+
+    private static final Logger log =
+        Logger.getLogger(BedHeightSingleParser.class);
+
+
+
+    @Override
+    protected ImportBedHeight newImportBedHeight(String description) {
+        return new ImportBedHeightSingle(description);
+    }
+
+
+
+    /**
+     * Create ImportBedHeightSingleValue from a line of csv file, add
+     * it to the ImportBedHeight.
+     */
+    @Override
+    protected void handleDataLine(ImportBedHeight obj, String line) {
+        String[] values = line.split(SEPERATOR_CHAR);
+
+        if (values == null || (values.length != 1 && values.length < 6)) {
+            //log.warn("BSP: Error while parsing data line: '" + line + "'");
+            return;
+        }
+
+        BigDecimal km;
+
+        try {
+            km = new BigDecimal(nf.parse(values[0]).doubleValue());
+        }
+        catch (ParseException e) {
+            // We expect a lot of ";;;;;;" lines.
+            //log.warn("BSP: Error while parsing km of data row.", e);
+            return;
+        }
+
+        // Handle gaps like "10,0;;;;;".
+        if (values.length == 1) {
+            ImportBedHeightSingleValue value = new ImportBedHeightSingleValue(
+                (ImportBedHeightSingle) obj,
+                km,
+                null, null, null, null, null);
+            obj.addValue(value);
+            return;
+        }
+
+        // Because we cannot enforce consistency of values with complete data
+        // via null constraints in the database (as there are "gap" values),
+        // do this checks manually.
+        if (values[3].length() == 0 || values[4].length() == 0
+            || values[5].length() == 0) {
+            //log.warn("BSP: Error while parsing data row (manual null constraint violated).");
+            return;
+        }
+
+        try {
+            ImportBedHeightSingleValue value = new ImportBedHeightSingleValue(
+                (ImportBedHeightSingle) obj,
+                km,
+                new BigDecimal(nf.parse(values[1]).doubleValue()),
+                new BigDecimal(nf.parse(values[2]).doubleValue()),
+                new BigDecimal(nf.parse(values[3]).doubleValue()),
+                parseBigDecimal(values[4], line),
+                new BigDecimal(nf.parse(values[5]).doubleValue())
+            );
+
+            obj.addValue(value);
+        }
+        catch (ParseException e) {
+            log.warn("BSP: unparseable value in data row.", e);
+        }
+    }
+    
+    private BigDecimal parseBigDecimal(String value, String line) {
+        BigDecimal result = null;
+        try {
+            Double dValue = Double.valueOf(value.replace(",", "."));
+            result = new BigDecimal(dValue.doubleValue());
+        }
+        catch (NumberFormatException nfe) {
+            log.warn(
+                "Could not parse " +
+                value +
+                " in bed heigt single row: "
+                + line);
+        }
+        return result;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :