[Dive4elements-commits] [PATCH 2 of 2] Initial empty version of DA50Parser

[Wald Commits]

# HG changeset patch
# User Felix Wolfsteller <felix.wolfsteller at intevation.de>
# Date 1356698044 -3600
# Node ID 1aca30035932ddd08f92b0a88a1c452b2c49d871
# Parent  0df1cac6c4b5233260ca3c8094726207627098ab
Initial empty version of DA50Parser.

diff -r 0df1cac6c4b5 -r 1aca30035932 flys-backend/src/main/java/de/intevation/flys/importer/parsers/DA50Parser.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-backend/src/main/java/de/intevation/flys/importer/parsers/DA50Parser.java	Fri Dec 28 13:34:04 2012 +0100
@@ -0,0 +1,140 @@
+package de.intevation.flys.importer.parsers;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.List;
+import java.util.TreeMap;
+
+import java.util.regex.Pattern;
+import java.util.regex.Matcher;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.apache.log4j.Logger;
+
+import de.intevation.flys.importer.XY;
+
+import de.intevation.artifacts.common.utils.FileTools;
+
+
+/**
+ * To create cross-sections, generate: Map<double,list<xy>> from files
+ * in da66 format.
+ */
+public class DA50Parser extends LineParser implements CrossSectionParser
+{
+    /** Private logger. */
+    private static Logger logger = Logger.getLogger(DA50Parser.class);
+
+    /** The current line to which add points. */
+    private List<XY> currentLine;
+
+    /** Data collected so far, last element will be currentLine. */
+    protected Map<Double, List<XY>> data;
+
+
+    /** Trivial constructor. */
+    public DA50Parser() {
+        data = new TreeMap<Double, List<XY>>();
+    }
+
+
+    /** Get the description of the cross section parsed. */
+    @Override
+    public String getDescription() {
+        return FileTools.removeExtension(getFileName());
+    }
+
+
+    /** Get the year of this cross sections measurement. */
+    @Override
+    public Integer getYear() {
+        return null;
+    }
+
+
+    /**
+     * Return the data parsed.
+     * @return map of stations (km) to list of points.
+     */
+    @Override
+    public Map<Double, List<XY>> getData() {
+        return data;
+    }
+
+
+    public void parseDA50s(File root, final Callback callback) {
+
+        // TODO use the removeExtension/guess description and date.
+        FileTools.walkTree(root, new FileTools.FileVisitor() {
+            @Override
+            public boolean visit(File file) {
+                if (file.isFile() && file.canRead()
+                && file.getName().toLowerCase().endsWith(".w80")
+                && (callback == null || callback.accept(file))) {
+                    reset();
+                    try {
+                        parse(file);
+                        logger.info("parsing done");
+                        if (callback != null) {
+                            callback.parsed(DA50Parser.this);
+                        }
+                    }
+                    catch (IOException ioe) {
+                        logger.error("IOException while parsing file");
+                        return false;
+                    }
+                }
+                return true;
+            }
+        });
+    }
+
+
+    /** Called before consuming first line of file. */
+    public void reset() {
+        data.clear();
+        currentLine = new ArrayList<XY>();
+    }
+
+
+    /**
+     * Called for each line. Try to extract info from a da66 line.
+     */
+    @Override
+    protected void handleLine(int lineNum, String line) {
+        String pointId  = line.substring(0,2);
+        String streetId = line.substring(2,9);
+        String station  = line.substring(9,18);
+        String free     = line.substring(18,20);
+        String gkLRight = line.substring(20,30);
+        String gkLHigh  = line.substring(30,40);
+        String gkRRight = line.substring(40,50);
+        String gkRHigh  = line.substring(50,60);
+        String distance = line.substring(60,70);
+    }
+
+
+    /** Called when file is fully consumed. */
+    @Override
+    protected void finish() {
+        logger.info("Parsed " + data.size() + " lines");
+    }
+
+
+    /** Parses files given as arguments. */
+    public static void main(String [] args) {
+
+        DA50Parser parser = new DA50Parser();
+
+        logger.warn("Start parsing files.");
+        for (String arg: args) {
+            parser.parseDA50s(new File(arg), null);
+            logger.warn("Parsing a file.");
+        }
+        logger.error("Finished parsing files.");
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :