Fix some errors

OsmAnd/src/net/osmand/plus/server/OsmAndHttpServer.java

@@ -10,10 +10,11 @@ import net.osmand.plus.server.endpoints.TileEndpoint;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.HashMap;
+import java.util.Iterator;
 import java.util.Map;
 
 public class OsmAndHttpServer extends NanoHTTPD {
-	private static final String FOLDER_NAME = "server";
+	private static final String ASSETS_FOLDER_NAME = "server";
 	private static final org.apache.commons.logging.Log LOG = PlatformUtil.getLog(OsmAndHttpServer.class);
 	private final Map<String, ApiEndpoint> endpoints = new HashMap<>();
 	private MapActivity mapActivity;
@@ -46,9 +47,11 @@ public class OsmAndHttpServer extends NanoHTTPD {
 
 	private NanoHTTPD.Response routeApi(NanoHTTPD.IHTTPSession session) {
 		String uri = session.getUri();
-		for (String path : endpoints.keySet()) {
-			if (uri.startsWith(path)) {
-				return endpoints.get(path).process(session);
+		Iterator<Map.Entry<String, ApiEndpoint>> it = endpoints.entrySet().iterator();
+		while (it.hasNext()) {
+			Map.Entry<String, ApiEndpoint> e = it.next();
+			if (uri.startsWith(e.getKey())) {
+				return e.getValue().process(session, uri);
 			}
 		}
 		return ErrorResponses.response404;
@@ -79,7 +82,7 @@ public class OsmAndHttpServer extends NanoHTTPD {
 		OsmandApplication app = mapActivity.getMyApplication();
 		if (app != null) {
 			try {
-				is = app.getAssets().open(FOLDER_NAME + uri);
+				is = app.getAssets().open(ASSETS_FOLDER_NAME + uri);
 				if (is.available() == 0) {
 					return ErrorResponses.response404;
 				}
@@ -107,7 +110,7 @@ public class OsmAndHttpServer extends NanoHTTPD {
 	}
 
 	public interface ApiEndpoint {
-		NanoHTTPD.Response process(NanoHTTPD.IHTTPSession session);
+		NanoHTTPD.Response process(IHTTPSession session, String url);
 	}
 
 	public static class ErrorResponses {

OsmAnd/src/net/osmand/plus/server/endpoints/TileEndpoint.java

@@ -1,24 +1,30 @@
 package net.osmand.plus.server.endpoints;
 
 import android.graphics.Bitmap;
+
 import fi.iki.elonen.NanoHTTPD;
+
 import net.osmand.PlatformUtil;
 import net.osmand.data.RotatedTileBox;
 import net.osmand.plus.activities.MapActivity;
 import net.osmand.plus.server.OsmAndHttpServer;
 import net.osmand.plus.views.OsmandMapTileView;
+import net.osmand.util.MapUtils;
+
 import org.apache.commons.logging.Log;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
+import java.net.URL;
 import java.util.Scanner;
 
-import static fi.iki.elonen.NanoHTTPD.SOCKET_READ_TIMEOUT;
 import static fi.iki.elonen.NanoHTTPD.newFixedLengthResponse;
 
 public class TileEndpoint implements OsmAndHttpServer.ApiEndpoint, OsmandMapTileView.IMapOnImageDrawn {
 	private static final int TILE_SIZE_PX = 512;
 	private static final int TIMEOUT_STEP = 500;
+	private static final int TIMEOUT = 5000;
+
 	private static final Log LOG = PlatformUtil.getLog(TileEndpoint.class);
 	private final MapActivity mapActivity;
 	private RotatedTileBox resultBmpViewport;
@@ -35,16 +41,21 @@ public class TileEndpoint implements OsmAndHttpServer.ApiEndpoint, OsmandMapTile
 	}
 
 	@Override
-	public NanoHTTPD.Response process(NanoHTTPD.IHTTPSession session) {
+	public NanoHTTPD.Response process(NanoHTTPD.IHTTPSession session, String url) {
 		this.mapActivity.getMapView().setOnImageDrawnListener(this);
-		RotatedTileBox tileBoxCopy = mapActivity.getMapView().getCurrentRotatedTileBox().copy();
-		Scanner s = new Scanner(session.getUri()).useDelimiter("/");
-		//reading path
-		s.next();
-		int zoom = s.nextInt();
-		double lat = s.nextDouble();
-		double lon = s.nextDouble();
-		Bitmap bitmap = requestTile(lat, lon, zoom);
+		// https://tile.osmand.net/hd/6/55/25.png
+		int extInd = url.indexOf('.');
+		if(extInd >= 0) {
+			url = url.substring(0, extInd);
+		}
+		String[] prms = url.split("/");
+		if(prms.length < 4) {
+			return OsmAndHttpServer.ErrorResponses.response500;
+		}
+		int zoom = Integer.parseInt(prms[1]);
+		int x = Integer.parseInt(prms[2]);
+		int y = Integer.parseInt(prms[3]);
+		Bitmap bitmap = requestTile(x, y, zoom);
 		if (bitmap == null) {
 			return OsmAndHttpServer.ErrorResponses.response500;
 		}
@@ -52,16 +63,16 @@ public class TileEndpoint implements OsmAndHttpServer.ApiEndpoint, OsmandMapTile
 		bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
 		byte[] byteArray = stream.toByteArray();
 		ByteArrayInputStream str = new ByteArrayInputStream(byteArray);
-		mapActivity.getMapView().setCurrentViewport(tileBoxCopy);
 		this.mapActivity.getMapView().setOnImageDrawnListener(null);
 		return newFixedLengthResponse(
-				NanoHTTPD.Response.Status.OK,
-				"image/png",
-				str,
-				str.available());
+				NanoHTTPD.Response.Status.OK, "image/png",
+				str, str.available());
 	}
 
-	private synchronized Bitmap requestTile(double lat, double lon, int zoom) {
+	private synchronized Bitmap requestTile(int x, int y, int zoom) {
+		this.resultBitmap = null;
+		double lat = MapUtils.getLatitudeFromTile(zoom, y);
+		double lon = MapUtils.getLongitudeFromTile(zoom, x);
 		final RotatedTileBox rotatedTileBox = new RotatedTileBox.RotatedTileBoxBuilder()
 				.setLocation(lat, lon)
 				.setZoom(zoom)
@@ -69,12 +80,13 @@ public class TileEndpoint implements OsmAndHttpServer.ApiEndpoint, OsmandMapTile
 		mapActivity.getMapView().setCurrentViewport(rotatedTileBox);
 		int timeout = 0;
 		try {
-			while (!rotatedTileBox.equals(resultBmpViewport) && timeout < SOCKET_READ_TIMEOUT) {
+			while (this.resultBitmap != null && timeout < TIMEOUT) {
 				Thread.sleep(TIMEOUT_STEP);
 				timeout += TIMEOUT_STEP;
 			}
-			resultBmpViewport = null;
-			return resultBitmap;
+			Bitmap res = resultBitmap;
+			this.resultBitmap = null;
+			return res;
 		} catch (InterruptedException e) {
 			LOG.error(e);
 		}