RegionChooser: Reading hulls.

src/eu/simstadt/regionchooser/RegionChooserBrowser.java

@@ -10,6 +10,7 @@
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.Enumeration;
+import java.util.List;
 import java.util.prefs.Preferences;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
@@ -55,8 +56,30 @@ public JavaScriptFXBridge() {
 			}
 		}
 
-		public void refreshHulls() {
-			System.out.println("SHOULD REFRESH : " + repo);
+		public String refreshHulls() throws IOException {
+			System.out.println("Look for hulls in " + repo);
+			Path url = Paths.get("just_a_test.kml");
+			try (BufferedWriter bw = Files.newBufferedWriter(url)) {
+				bw.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + "<kml>\n" + "  <Document>\n");
+				Files.walk(repo)
+						.filter(Files::isRegularFile)
+						.filter(p -> p.toString().contains(".cache") && p.toString().endsWith(".xyz"))
+						.forEach(p -> {
+							System.out.println("Parsing " + p);
+							try {
+								List<String> lines = Files.readAllLines(p);
+								for (String line : lines) {
+									bw.write(line + "\n");
+								}
+							} catch (IOException ex) {
+								ex.printStackTrace();
+							}
+						});
+				bw.write("  </Document>\n" + "</kml>");
+			} catch (Exception ex) {
+				ex.printStackTrace();
+			}
+			return Paths.get("src/eu/simstadt/regionchooser/website").relativize(url).toString();
 		}
 
 		public void downloadRegion(String wktPolygon, String productName, JSObject novaFactoryLayer)