small refactoring

git-svn-id: https://osmand.googlecode.com/svn/trunk@15 e29c36b1-1cfa-d876-8d93-3434fc2bb7b8

DataExtractionOSM/src/com/osmand/Algoritms.java

@@ -0,0 +1,21 @@
+package com.osmand;
+
+/**
+ * Basic algorithms that are not in jdk 
+ */
+public class Algoritms {
+	
+	public static boolean isEmpty(String s){
+		return s == null || s.length() == 0;
+	}
+	
+	
+	public static boolean objectEquals(Object a, Object b){
+		if(a == null){
+			return b == null;
+		} else {
+			return a.equals(b);
+		}
+	}
+	
+}

DataExtractionOSM/src/com/osmand/Constants.java

@@ -1,10 +0,0 @@
-package com.osmand;
-
-public interface Constants {
-	
-	// TODO externalize proper way
-	public String pathToTestDataDir = "E:\\Information\\OSM maps\\";
-
-	public String ADDR_HOUSE_NUMBER = "addr:housenumber";
-	public String ADDR_STREET = "addr:street";
-}

DataExtractionOSM/src/com/osmand/DataExtraction.java

@@ -52,9 +52,12 @@ import com.osmand.data.Street;
 import com.osmand.data.City.CityType;
 import com.osmand.osm.Entity;
 import com.osmand.osm.LatLon;
+import com.osmand.osm.MapUtils;
 import com.osmand.osm.Node;
+import com.osmand.osm.OSMSettings;
 import com.osmand.osm.Relation;
 import com.osmand.osm.Way;
+import com.osmand.osm.OSMSettings.OSMTagKey;
 import com.osmand.osm.io.OsmBaseStorage;
 
 
@@ -99,7 +102,7 @@ public class DataExtraction implements IMapLocationListener {
 	}
 	
 	
-	private static boolean parseMinsk = false;
+	private static boolean parseSmallFile = true;
 	private static boolean parseOSM = true;
 
 	///////////////////////////////////////////
@@ -107,11 +110,10 @@ public class DataExtraction implements IMapLocationListener {
 	public void testReadingOsmFile() throws ParserConfigurationException, SAXException, IOException, XMLStreamException {
 		
 		InputStream stream ;
-		if(parseMinsk){
+		if(parseSmallFile){
-			stream = new FileInputStream(Constants.pathToTestDataDir+"minsk.osm");
+			stream = new FileInputStream(DefaultLauncherConstants.pathToOsmFile);
 		} else {
-			stream = new FileInputStream(Constants.pathToTestDataDir+"belarus_2010_04_01.osm.bz2");
+			stream = new FileInputStream(DefaultLauncherConstants.pathToOsmBz2File);
-//			stream = new FileInputStream(Constants.pathToTestDataDir+"minsk_2010_04_26.osm.bz2");
 			if (stream.read() != 66 || stream.read() != 90)
 				throw new RuntimeException(
 						"The source stream must start with the characters BZ if it is to be read as a BZip2 stream.");
@@ -134,8 +136,8 @@ public class DataExtraction implements IMapLocationListener {
 		OsmBaseStorage storage = new OsmBaseStorage(){
 			@Override
 			public boolean acceptEntityToLoad(Entity e) {
-				if ("yes".equals(e.getTag("building"))) {
+				if ("yes".equals(e.getTag(OSMTagKey.BUILDING))) {
-					if (e.getTag(Constants.ADDR_HOUSE_NUMBER) != null && e.getTag(Constants.ADDR_STREET) != null) {
+					if (e.getTag(OSMTagKey.ADDR_HOUSE_NUMBER) != null && e.getTag(OSMTagKey.ADDR_STREET) != null) {
 						buildings.add(e);
 						return true;
 					}
@@ -145,14 +147,18 @@ public class DataExtraction implements IMapLocationListener {
 			
 			@Override
 			public boolean acceptNodeToLoad(Node n) {
-				if (n.getTag("amenity") != null) {
+				if (n.getTag(OSMTagKey.AMENITY) != null) {
 					amenities.add(n);
-				} else if (n.getTag("shop") != null) {
+				} else if (n.getTag(OSMTagKey.SHOP) != null) {
-					n.putTag("amenity", "shop");
+					// TODO temp solution
+					n.putTag(OSMTagKey.AMENITY.getValue(), OSMTagKey.SHOP.getValue());
+					amenities.add(n);
+				} else if (n.getTag(OSMTagKey.LEISURE) != null) {
+					// TODO temp solution
+					n.putTag(OSMTagKey.AMENITY.getValue(), OSMTagKey.LEISURE.getValue());
 					amenities.add(n);
 				}
-				// TODO leisure
+				if (n.getTag(OSMTagKey.PLACE) != null) {
-				if (n.getTag("place") != null) {
 					places.add(n);
 					if (places.size() % 500 == 0) System.out.println();
 					System.out.print("-");
@@ -167,7 +173,7 @@ public class DataExtraction implements IMapLocationListener {
 			}
 			@Override
 			public boolean acceptWayToLoad(Way w) {
-				if (WayUtil.wayForCar(w.getTag("highway"))) {
+				if (OSMSettings.wayForCar(w.getTag(OSMTagKey.HIGHWAY))) {
 					mapWays.add(w);
 					return true;
 				}
@@ -186,7 +192,7 @@ public class DataExtraction implements IMapLocationListener {
         // 1. found towns !
         Region country = new Region(null);
         for (Node s : places) {
-        	String place = s.getTag("place");
+        	String place = s.getTag(OSMTagKey.PLACE);
         	if(place == null){
         		continue;
         	}
@@ -195,7 +201,7 @@ public class DataExtraction implements IMapLocationListener {
         	} else {
         		City registerCity = country.registerCity(s);
         		if(registerCity == null){
-        			System.out.println(place + " - " + s.getTag("name"));
+        			System.out.println(place + " - " + s.getTag(OSMTagKey.NAME));
         		}
         	}
 		}
@@ -233,12 +239,13 @@ public class DataExtraction implements IMapLocationListener {
    
         runUI(country);
 		List<Long> interestedObjects = new ArrayList<Long>();
-		NodeUtil.fillList(places, interestedObjects);
+		MapUtils.addIdsToList(places, interestedObjects);
-		NodeUtil.fillList(amenities, interestedObjects);
+		MapUtils.addIdsToList(amenities, interestedObjects);
-		NodeUtil.fillList(mapWays, interestedObjects);
+		MapUtils.addIdsToList(mapWays, interestedObjects);
-//		NodeUtil.fillList(buildings, interestedObjects);
+//		MapUtils.addIdsToList(buildings, interestedObjects);
-		
+		if (DefaultLauncherConstants.writeTestOsmFile != null) {
-        storage.saveStorage(new FileOutputStream("C:/1_tmp.osm"), interestedObjects, true);
+			storage.saveStorage(new FileOutputStream(DefaultLauncherConstants.writeTestOsmFile), interestedObjects, true);
+		}
         
         System.out.println();
 		System.out.println("USED Memory " + (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()) / 1e6);
@@ -251,7 +258,7 @@ public class DataExtraction implements IMapLocationListener {
 	
 	protected City selectedCity;
 	
-	private MapPanel mapPanel = new MapPanel(new File(Constants.pathToTestDataDir+"MinskTiles"));
+	private MapPanel mapPanel = new MapPanel(new File(DefaultLauncherConstants.pathToDirWithTiles));
 	
 	private DefaultMutableTreeNode amenitiesTree;
 	private JTree treePlaces; 
@@ -278,7 +285,7 @@ public class DataExtraction implements IMapLocationListener {
 					DefaultMutableTreeNode strTree = new DataExtractionTreeNode(str.getName(), str);
 					cityNodeTree.add(strTree);
 					for(Entity e : str.getBuildings()){
-						DefaultMutableTreeNode building = new DataExtractionTreeNode(e.getTag(Constants.ADDR_HOUSE_NUMBER), e);
+						DefaultMutableTreeNode building = new DataExtractionTreeNode(e.getTag(OSMTagKey.ADDR_HOUSE_NUMBER), e);
 						strTree.add(building);
 						
 					}
@@ -357,7 +364,7 @@ public class DataExtraction implements IMapLocationListener {
 					Node node = ((City)jList.getSelectedValue()).getNode();
 					String text = "Lat : " + node.getLatitude() + " Lon " + node.getLongitude();
 					if(selectedCity != null){
-						text += " distance " + NodeUtil.getDistance(selectedCity.getNode(), node);
+						text += " distance " + MapUtils.getDistance(selectedCity.getNode(), node);
 					}
 					label.setText(text);
 					mapPanel.setLatLon(node.getLatitude(), node.getLongitude());
@@ -417,15 +424,15 @@ public class DataExtraction implements IMapLocationListener {
 		Collections.sort(closestAmenities, new Comparator<Node>(){
 			@Override
 			public int compare(Node o1, Node o2) {
-				return Double.compare(NodeUtil.getDistance(o1, newLatitude, newLongitude), 
+				return Double.compare(MapUtils.getDistance(o1, newLatitude, newLongitude), 
-						NodeUtil.getDistance(o2, newLatitude, newLongitude));
+						MapUtils.getDistance(o2, newLatitude, newLongitude));
 			}
 			
 		});
 		
 		Map<String, List<Node>> filter = new TreeMap<String, List<Node>>();
 		for(Node n : closestAmenities){
-			String type = n.getTag("amenity");
+			String type = n.getTag(OSMTagKey.AMENITY);
 			if(!filter.containsKey(type)){
 				filter.put(type, new ArrayList<Node>());
 			}
@@ -444,9 +451,9 @@ public class DataExtraction implements IMapLocationListener {
 		
 		for(int i=0; i<15 && i < closestAmenities.size(); i++){
 			Node n = closestAmenities.get(i);
-			String type = n.getTag("amenity");
+			String type = n.getTag(OSMTagKey.AMENITY);
-			String name = n.getTag("name");
+			String name = n.getTag(OSMTagKey.NAME);
-			int dist = (int) (NodeUtil.getDistance(n, newLatitude, newLongitude));
+			int dist = (int) (MapUtils.getDistance(n, newLatitude, newLongitude));
 			String str = type +" "+(name == null ? n.getId() : name) +" [" +dist+" m ]";
 			((DefaultMutableTreeNode)amenitiesTree.getChildAt(0)).add(
 					new DataExtractionTreeNode(str, n));
@@ -466,8 +473,8 @@ public class DataExtraction implements IMapLocationListener {
 			
 			p.removeAllChildren();
 			for (Node n : filter.get(s)) {
-				String name = n.getTag("name");
+				String name = n.getTag(OSMTagKey.NAME);
-				int dist = (int) (NodeUtil.getDistance(n, newLatitude, newLongitude));
+				int dist = (int) (MapUtils.getDistance(n, newLatitude, newLongitude));
 				String str = (name == null ? n.getId() : name) + " [" + dist + " m ]";
 				DataExtractionTreeNode node = new DataExtractionTreeNode(str, n);
 				p.add(node);

DataExtractionOSM/src/com/osmand/DefaultLauncherConstants.java

@@ -0,0 +1,16 @@
+package com.osmand;
+
+/**
+ * This is temp class where all path & machine specific properties are written  
+ */
+public abstract class DefaultLauncherConstants {
+	
+	public static String pathToTestDataDir = "E:\\Information\\OSM maps\\";
+	
+	public static String pathToOsmFile =  pathToTestDataDir + "minsk.osm";
+	public static String pathToOsmBz2File =  pathToTestDataDir + "belarus_2010_04_01.osm.bz2";
+	
+	public static String pathToDirWithTiles = pathToTestDataDir +"MinskTiles";
+	
+	public static String writeTestOsmFile = "C:\\1_tmp.osm"; // could be null - wo writing
+}

DataExtractionOSM/src/com/osmand/MapPanel.java

@@ -26,6 +26,7 @@ import javax.swing.UIManager;
 import com.osmand.DataExtraction.ExitListener;
 import com.osmand.data.DataTileManager;
 import com.osmand.osm.LatLon;
+import com.osmand.osm.MapUtils;
 
 public class MapPanel extends JPanel {
 	
@@ -47,8 +48,7 @@ public class MapPanel extends JPanel {
 	    frame.addWindowListener(new ExitListener());
 	    Container content = frame.getContentPane();
 	    
-//	    MapPanel panel = new MapPanel(new ZipFile(Constants.pathToTestDataDir  + "MinskTiles.zipp"));
+	    MapPanel panel = new MapPanel(new File(DefaultLauncherConstants.pathToDirWithTiles));
-	    MapPanel panel = new MapPanel(new File(Constants.pathToTestDataDir  + "MinskTiles"));
 	    
 	    content.add(panel, BorderLayout.CENTER);
 	    
@@ -98,11 +98,11 @@ public class MapPanel extends JPanel {
 
 	
 	public double getXTile(){
-		return NodeUtil.getTileNumberX(zoom, longitude);
+		return MapUtils.getTileNumberX(zoom, longitude);
 	}
 	
 	public double getYTile(){
-		return NodeUtil.getTileNumberY(zoom, latitude);
+		return MapUtils.getTileNumberY(zoom, latitude);
 	}
 	
 
@@ -208,16 +208,16 @@ public class MapPanel extends JPanel {
 			}
 			
 			if(points != null){
-				double latDown = NodeUtil.getLatitudeFromTile(zoom, yTileDown);
+				double latDown = MapUtils.getLatitudeFromTile(zoom, yTileDown);
-				double longDown = NodeUtil.getLongitudeFromTile(zoom, xTileRight);
+				double longDown = MapUtils.getLongitudeFromTile(zoom, xTileRight);
-				double latUp = NodeUtil.getLatitudeFromTile(zoom, yTileUp);
+				double latUp = MapUtils.getLatitudeFromTile(zoom, yTileUp);
-				double longUp = NodeUtil.getLongitudeFromTile(zoom, xTileLeft);
+				double longUp = MapUtils.getLongitudeFromTile(zoom, xTileLeft);
 				List<LatLon> objects = points.getObjects(latUp, longUp, latDown, longDown);
 				pointsToDraw.clear();
 				for(LatLon n : objects){
-					int pixX = NodeUtil.getPixelShiftX(zoom, n.getLongitude(), this.longitude, tileSize) +
+					int pixX = MapUtils.getPixelShiftX(zoom, n.getLongitude(), this.longitude, tileSize) +
 									getWidth() / 2;
-					int pixY = NodeUtil.getPixelShiftY(zoom, n.getLatitude(), this.latitude, tileSize) +
+					int pixY = MapUtils.getPixelShiftY(zoom, n.getLatitude(), this.latitude, tileSize) +
 									getHeight() / 2;
 					if(pixX >= 0 && pixY >= 0){
 						pointsToDraw.add(new Point(pixX, pixY));
@@ -302,19 +302,19 @@ public class MapPanel extends JPanel {
 		if (e.getID() == KeyEvent.KEY_RELEASED) {
 			if (e.getKeyCode() == 37) {
 				// LEFT button
-				longitude = NodeUtil.getLongitudeFromTile(zoom, getXTile()-0.5); 
+				longitude = MapUtils.getLongitudeFromTile(zoom, getXTile()-0.5); 
 				processed = true;
 			} else if (e.getKeyCode() == 39) {
 				// RIGHT button
-				longitude = NodeUtil.getLongitudeFromTile(zoom, getXTile()+0.5);
+				longitude = MapUtils.getLongitudeFromTile(zoom, getXTile()+0.5);
 				processed = true;
 			} else if (e.getKeyCode() == 38) {
 				// UP button
-				latitude = NodeUtil.getLatitudeFromTile(zoom, getYTile()-0.5);
+				latitude = MapUtils.getLatitudeFromTile(zoom, getYTile()-0.5);
 				processed = true;
 			} else if (e.getKeyCode() == 40) {
 				// DOWN button
-				latitude = NodeUtil.getLatitudeFromTile(zoom, getYTile()+0.5);
+				latitude = MapUtils.getLatitudeFromTile(zoom, getYTile()+0.5);
 				processed = true;
 			}
 		}
@@ -357,8 +357,8 @@ public class MapPanel extends JPanel {
 		public void dragTo(Point p){
 			double dx = (startDragging.x - (double)p.x)/tileSize; 
 			double dy = (startDragging.y - (double)p.y)/tileSize;
-			double lat = NodeUtil.getLatitudeFromTile(zoom, getYTile() + dy);
+			double lat = MapUtils.getLatitudeFromTile(zoom, getYTile() + dy);
-			double lon = NodeUtil.getLongitudeFromTile(zoom, getXTile() + dx);
+			double lon = MapUtils.getLongitudeFromTile(zoom, getXTile() + dx);
 			setLatLon(lat, lon);
 		}
 		

DataExtractionOSM/src/com/osmand/WayUtil.java

@@ -1,19 +0,0 @@
-package com.osmand;
-
-public class WayUtil {
-
-	
-	public static boolean wayForCar(String tagHighway){
-		if(tagHighway != null){
-			String[] cars = new String[]{"trunk", "motorway", "primary", "secondary", "tertiary", "service", "residential",
-										"trunk_link", "motorway_link", "primary_link", "secondary_link", "residential_link", 
-										"tertiary_link", "track" };
-			for(String c : cars){
-				if(c.equals(tagHighway)){
-					return true;
-				}
-			}
-		}
-		return false;
-	}
-}

DataExtractionOSM/src/com/osmand/data/City.java

@@ -4,10 +4,10 @@ import java.util.Collection;
 import java.util.Map;
 import java.util.TreeMap;
 
-import com.osmand.NodeUtil;
 import com.osmand.osm.Entity;
 import com.osmand.osm.LatLon;
 import com.osmand.osm.Node;
+import com.osmand.osm.OSMSettings.OSMTagKey;
 
 public class City {
 	
@@ -30,7 +30,7 @@ public class City {
 
 	public City(Node el){
 		this.el = el;
-		String place = el.getTag("place");
+		String place = el.getTag(OSMTagKey.PLACE);
 		for(CityType t : CityType.values()){
 			if(t.name().equalsIgnoreCase(place)){
 				type = t;
@@ -40,8 +40,8 @@ public class City {
 	}
 	
 	public Street registerBuilding(LatLon point, Entity e){
-		String number = e.getTag("addr:housenumber");
+		String number = e.getTag(OSMTagKey.ADDR_HOUSE_NUMBER);
-		String street = e.getTag("addr:street");
+		String street = e.getTag(OSMTagKey.ADDR_STREET);
 		if( street != null && number != null){
 			if(!streets.containsKey(street)){
 				streets.put(street, new Street(street));
@@ -54,7 +54,7 @@ public class City {
 	
 	
 	public String getName(){
-		return el.getTag("name");
+		return el.getTag(OSMTagKey.NAME);
 	}
 	
 	public CityType getType(){

DataExtractionOSM/src/com/osmand/data/DataTileManager.java

@@ -5,7 +5,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import com.osmand.NodeUtil;
+import com.osmand.osm.MapUtils;
 
 /**
  * 
@@ -39,10 +39,10 @@ public class DataTileManager<T> {
 	}
 	
 	public List<T> getObjects(double latitudeUp, double longitudeUp, double latitudeDown, double longitudeDown) {
-		int tileXUp = (int) NodeUtil.getTileNumberX(zoom, longitudeUp);
+		int tileXUp = (int) MapUtils.getTileNumberX(zoom, longitudeUp);
-		int tileYUp = (int) NodeUtil.getTileNumberY(zoom, latitudeUp);
+		int tileYUp = (int) MapUtils.getTileNumberY(zoom, latitudeUp);
-		int tileXDown = (int) NodeUtil.getTileNumberX(zoom, longitudeDown);
+		int tileXDown = (int) MapUtils.getTileNumberX(zoom, longitudeDown);
-		int tileYDown = (int) NodeUtil.getTileNumberY(zoom, latitudeDown);
+		int tileYDown = (int) MapUtils.getTileNumberY(zoom, latitudeDown);
 		List<T> result = new ArrayList<T>();
 		for (int i = tileXUp; i <= tileXDown; i++) {
 			for (int j = tileYUp; j <= tileYDown; j++) {
@@ -58,8 +58,8 @@ public class DataTileManager<T> {
 	 * however the first objects are from closer tile than last
 	 */
 	public List<T> getClosestObjects(double latitude, double longitude, int depth){
-		int tileX = (int) NodeUtil.getTileNumberX(zoom, longitude);
+		int tileX = (int) MapUtils.getTileNumberX(zoom, longitude);
-		int tileY = (int) NodeUtil.getTileNumberY(zoom, latitude);
+		int tileY = (int) MapUtils.getTileNumberY(zoom, latitude);
 		List<T> result = new ArrayList<T>();
 		
 		
@@ -97,8 +97,8 @@ public class DataTileManager<T> {
 	
 	
 	public String evaluateTile(double latitude, double longitude){
-		int tileX = (int) NodeUtil.getTileNumberX(zoom, longitude);
+		int tileX = (int) MapUtils.getTileNumberX(zoom, longitude);
-		int tileY = (int) NodeUtil.getTileNumberY(zoom, latitude);
+		int tileY = (int) MapUtils.getTileNumberY(zoom, latitude);
 		return evTile(tileX, tileY);
 	}
 	

DataExtractionOSM/src/com/osmand/data/Region.java

@@ -6,11 +6,13 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import com.osmand.NodeUtil;
+import com.osmand.Algoritms;
 import com.osmand.data.City.CityType;
 import com.osmand.osm.Entity;
 import com.osmand.osm.LatLon;
+import com.osmand.osm.MapUtils;
 import com.osmand.osm.Node;
+import com.osmand.osm.OSMSettings.OSMTagKey;
 
 public class Region {
 	private Entity entity;
@@ -35,7 +37,7 @@ public class Region {
 	}
 	
 	public String getName(){
-		return entity == null ? "" : entity.getTag("name");
+		return entity == null ? "" : entity.getTag(OSMTagKey.NAME);
 	}
 	
 	public Collection<City> getCitiesByType(CityType type){
@@ -72,7 +74,7 @@ public class Region {
 		double relDist = Double.POSITIVE_INFINITY;
 		for(CityType t : CityType.values()){
 			for(City c : cities.get(t)){
-				double rel = NodeUtil.getDistance(c.getNode(), point) / t.getRadius();
+				double rel = MapUtils.getDistance(c.getNode(), point) / t.getRadius();
 				if(rel < 1) {
 					return c; // we are in that city
 				}
@@ -95,7 +97,7 @@ public class Region {
 	
 	public City registerCity(Node c){
 		City city = new City(c);
-		if(city.getType() != null && !NodeUtil.isEmpty(city.getName())){
+		if(city.getType() != null && !Algoritms.isEmpty(city.getName())){
 			cities.get(city.getType()).add(city);
 			return city;
 		}

DataExtractionOSM/src/com/osmand/osm/Entity.java

@@ -5,6 +5,8 @@ import java.util.Collections;
 import java.util.LinkedHashMap;
 import java.util.Map;
 
+import com.osmand.osm.OSMSettings.OSMTagKey;
+
 public abstract class Entity {
 	// lazy initializing
 	private Map<String, String> tags = null;
@@ -25,6 +27,10 @@ public abstract class Entity {
 		return tags.put(key, value);
 	}
 	
+	public String getTag(OSMTagKey key){
+		return getTag(key.getValue());
+	}
+	
 	public String getTag(String key){
 		if(tags == null){
 			return null;

DataExtractionOSM/src/com/osmand/osm/MapUtils.java

@@ -1,16 +1,17 @@
-package com.osmand;
+package com.osmand.osm;
-
 
 import java.util.Collection;
 import java.util.List;
 
-import com.osmand.osm.Entity;
+/**
-import com.osmand.osm.LatLon;
+ * This utility class includes : 
-import com.osmand.osm.Node;
+ * 1. distance algorithms
-
+ * 2. finding center for array of nodes
-public class NodeUtil {
+ * 3. tile evaluation algorithms
-	
+ *   
-
+ *
+ */
+public class MapUtils {
 	public static double getDistance(Node e1, Node e2){
 		return getDistance(e1.getLatitude(), e1.getLongitude(), e2.getLatitude(), e2.getLongitude());
 	}
@@ -23,11 +24,6 @@ public class NodeUtil {
 		return getDistance(e1.getLatitude(), e1.getLongitude(), point.getLatitude(), point.getLongitude());
 	}
 	
-	public static void fillList(Collection<? extends Entity> source, List<Long> ids){
-		for(Entity e : source){
-			ids.add(e.getId());
-		}
-	}
 	
 	/**
 	 * Gets distance in meters
@@ -43,6 +39,15 @@ public class NodeUtil {
 		return R * c * 1000;
 	}
 	
+	
+	/**
+	 * Gets distance in meters
+	 */
+	public static double getDistance(LatLon l1, LatLon l2){
+		return getDistance(l1, l2);
+	}
+	
+
 	public static LatLon getWeightCenter(Collection<LatLon> nodes){
 		if(nodes.isEmpty()){
 			return null;
@@ -69,18 +74,6 @@ public class NodeUtil {
 		return new LatLon(latitude/nodes.size(), longitude/nodes.size());
 	}
 	
-	public static LatLon getLatLon(Node n){
-		return new LatLon(n.getLatitude(), n.getLongitude());
-	}
-	
-
-	
-	/**
-	 * Gets distance in meters
-	 */
-	public static double getDistance(LatLon l1, LatLon l2){
-		return getDistance(l1, l2);
-	}
 	
 	
 	/**
@@ -112,31 +105,18 @@ public class NodeUtil {
 	}
 	
 	public static int getPixelShiftX(int zoom, double long1, double long2, int tileSize){
-		return (int) ((NodeUtil.getTileNumberX(zoom, long1) - NodeUtil.getTileNumberX(zoom, long2)) * tileSize);
+		return (int) ((getTileNumberX(zoom, long1) - getTileNumberX(zoom, long2)) * tileSize);
 	}
 	
 	public static int getPixelShiftY(int zoom, double lat1, double lat2, int tileSize){
-		return (int) ((NodeUtil.getTileNumberY(zoom, lat1) - NodeUtil.getTileNumberY(zoom, lat2)) * tileSize);
+		return (int) ((getTileNumberY(zoom, lat1) - getTileNumberY(zoom, lat2)) * tileSize);
 	}
 	
-	
+	public static void addIdsToList(Collection<? extends Entity> source, List<Long> ids){
-	
+		for(Entity e : source){
-	
+			ids.add(e.getId());
-	public static boolean isEmpty(String s){
-		return s == null || s.length() == 0;
-	}
-	
-	
-	public static boolean objectEquals(Object a, Object b){
-		if(a == null){
-			return b == null;
-		} else {
-			return a.equals(b);
 		}
 	}
 	
-	public static boolean tag(Entity e, String name, String value){
+
-		String tag = e.getTag(name);
-		return value.equals(tag);
-	}
 }

DataExtractionOSM/src/com/osmand/osm/OSMSettings.java

@@ -0,0 +1,54 @@
+package com.osmand.osm;
+
+public class OSMSettings {
+	
+	public enum OSMTagKey {
+		NAME("name"),
+		// ways
+		HIGHWAY("highway"),
+		BUILDING("building"),
+		
+		// address
+		PLACE("place"),
+		ADDR_HOUSE_NUMBER("addr:housenumber"),
+		ADDR_STREET("addr:street"),
+		
+		// POI
+		AMENITY("amenity"),
+		SHOP("shop"),
+		LEISURE("leisure"),
+		;
+		
+		private final String value;
+		private OSMTagKey(String value) {
+			this.value = value;
+		}
+		
+		public String getValue() {
+			return value;
+		}
+	}
+	
+	public enum OSMHighwayTypes {
+		TRUNK, MOTORWAY, PRIMARY, SECONDARY, RESIDENTIAL, TERTIARY, SERVICE, TRACK,
+		
+		// TODO is link needed?
+		TRUNK_LINK, MOTORWAY_LINK, PRIMARY_LINK, SECONDARY_LINK, RESIDENTIAL_LINK, TERTIARY_LINK, SERVICE_LINK, TRACK_LINK, 
+		
+	}
+	
+	
+	public static boolean wayForCar(String tagHighway){
+		if(tagHighway != null){
+			String[] cars = new String[]{"trunk", "motorway", "primary", "secondary", "tertiary", "service", "residential",
+										"trunk_link", "motorway_link", "primary_link", "secondary_link", "residential_link", 
+										"tertiary_link", "track" };
+			for(String c : cars){
+				if(c.equals(tagHighway)){
+					return true;
+				}
+			}
+		}
+		return false;
+	}
+}

DataExtractionOSM/src/com/osmand/osm/Way.java

@@ -5,8 +5,6 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
-import com.osmand.NodeUtil;
-
 public class Way extends Entity {
 	
 	// lazy loading
@@ -75,7 +73,7 @@ public class Way extends Entity {
 				list.add(n.getLatLon());
 			}
 		}
-		return NodeUtil.getWeightCenter(list);
+		return MapUtils.getWeightCenter(list);
 	}
 	
 	

DataExtractionOSM/src/com/osmand/osm/io/OsmBaseStorage.java

@@ -18,7 +18,6 @@ import javax.xml.parsers.SAXParser;
 import javax.xml.parsers.SAXParserFactory;
 import javax.xml.stream.XMLStreamException;
 import javax.xml.stream.XMLStreamWriter;
-import javax.xml.transform.OutputKeys;
 
 import org.xml.sax.Attributes;
 import org.xml.sax.SAXException;