extended configuration (to hande Kitkat issues)

brouter-mapaccess/src/main/java/btools/mapaccess/StorageConfigHelper.java

@@ -0,0 +1,55 @@
+/**
+ * Access to the storageconfig.txt config file
+ *
+ * @author ab
+ */
+package btools.mapaccess;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+
+public class StorageConfigHelper
+{
+	 public static File getSecondarySegmentDir( String segmentDir )
+	 {
+	   return getStorageLocation( segmentDir, "secondary_segment_dir=" );
+	 }
+
+	 public static File getAdditionalMaptoolDir( String segmentDir )
+	 {
+	   return getStorageLocation( segmentDir, "additional_maptool_dir=" );
+	 }
+
+	 private static File getStorageLocation( String segmentDir, String tag )
+	 {
+		 File res = null;
+		 BufferedReader br = null;
+        String configFile = segmentDir + "/storageconfig.txt";
+        try
+        {
+          br = new BufferedReader( new FileReader (configFile ) );
+          for(;;)
+          {
+            String line = br.readLine();
+            if ( line == null ) break;
+            line = line.trim();
+            if ( line.startsWith( "#") ) continue;
+            if ( line.startsWith( tag ) )
+            {
+              String path =  line.substring( tag.length() ).trim();
+              res = path.startsWith( "/" ) ? new File( path ) : new File( new File( segmentDir ) , path );
+              if ( !res.exists() ) res = null;
+              break;
+            }
+          }
+        }
+        catch( Exception e ) {}
+        finally
+        {
+          if ( br != null  ) try { br.close(); } catch( Exception ee ) {}
+        }
+        return res;
+	}
+
+}