add own implementation of Osm Base storage

git-svn-id: https://osmand.googlecode.com/svn/trunk@9 e29c36b1-1cfa-d876-8d93-3434fc2bb7b8
This commit is contained in:
Victor Shcherb 2010-04-27 12:37:49 +00:00
parent 5619a7a753
commit 690c336946
19 changed files with 761 additions and 230 deletions

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@ -4,6 +4,5 @@
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry kind="lib" path="lib/bzip2-20090327.jar"/>
<classpathentry kind="lib" path="lib/commons-logging-1.1.1.jar"/>
<classpathentry kind="lib" path="lib/osmosis-0.32.jar"/>
<classpathentry kind="output" path="bin"/>
</classpath>

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@ -3,7 +3,7 @@ package com.osmand;
public interface Constants {
// TODO externalize proper way
public String pathToTestDataDir = "E:\\Information\\gps\\OpenMap\\";
public String pathToTestDataDir = "E:\\Information\\OSM maps\\";
public String ADDR_HOUSE_NUMBER = "addr:housenumber";
public String ADDR_STREET = "addr:street";

View file

@ -15,8 +15,6 @@ import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
@ -40,27 +38,23 @@ import javax.swing.event.UndoableEditEvent;
import javax.swing.event.UndoableEditListener;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.stream.XMLStreamException;
import org.apache.tools.bzip2.CBZip2InputStream;
import org.openstreetmap.osmosis.core.container.v0_6.EntityContainer;
import org.openstreetmap.osmosis.core.container.v0_6.NodeContainer;
import org.openstreetmap.osmosis.core.domain.v0_6.Entity;
import org.openstreetmap.osmosis.core.domain.v0_6.Node;
import org.openstreetmap.osmosis.core.domain.v0_6.Tag;
import org.openstreetmap.osmosis.core.domain.v0_6.Way;
import org.openstreetmap.osmosis.core.task.v0_6.Sink;
import org.openstreetmap.osmosis.core.xml.v0_6.impl.OsmHandler;
import org.xml.sax.SAXException;
import com.osmand.MapPanel.IMapLocationListener;
import com.osmand.NodeUtil.LatLon;
import com.osmand.data.City;
import com.osmand.data.DataTileManager;
import com.osmand.data.Region;
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.Node;
import com.osmand.osm.Relation;
import com.osmand.osm.Way;
import com.osmand.osm.io.OsmBaseStorage;
// TO implement
@ -104,7 +98,7 @@ public class DataExtraction implements IMapLocationListener {
}
private static boolean parseMinsk = true;
private static boolean parseMinsk = false;
private static boolean parseOSM = true;
///////////////////////////////////////////
@ -113,11 +107,10 @@ public class DataExtraction implements IMapLocationListener {
InputStream stream ;
if(parseMinsk){
stream = new FileInputStream(Constants.pathToTestDataDir+"minsk_old.osm");
stream = new FileInputStream(Constants.pathToTestDataDir+"minsk.osm");
} else {
// stream = new FileInputStream(Constants.pathToTestDataDir+"belarus_2010_04_01.osm.bz2");
// stream = new FileInputStream(Constants.pathToTestDataDir+"minsk_old.osm");
stream = new FileInputStream(Constants.pathToTestDataDir+"minsk_2010_04_26.osm.bz2");
stream = new FileInputStream(Constants.pathToTestDataDir+"belarus_2010_04_01.osm.bz2");
// 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.");
@ -132,75 +125,66 @@ public class DataExtraction implements IMapLocationListener {
// preloaded data
final List<Node> places = new ArrayList<Node>();
final Map<Long, LatLon> nodes = new HashMap<Long, LatLon>();
final List<Entity> buildings = new ArrayList<Entity>();
final List<Node> amenities = new ArrayList<Node>();
// highways count
final Map<String, Integer> mapWays = new LinkedHashMap<String, Integer>();
final List<Way> mapWays = new ArrayList<Way>();
if (parseOSM) {
SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
parser.parse(stream, new OsmHandler(new Sink() {
OsmBaseStorage storage = new OsmBaseStorage(){
@Override
public void process(EntityContainer entityContainer) {
if (entityContainer instanceof NodeContainer) {
NodeContainer rc = (NodeContainer) entityContainer;
if (NodeUtil.getTag(rc.getEntity(), "place") != null) {
places.add(rc.getEntity());
if (places.size() % 500 == 0) {
System.out.println();
public boolean acceptEntityToLoad(Entity e) {
if ("yes".equals(e.getTag("building"))) {
if (e.getTag(Constants.ADDR_HOUSE_NUMBER) != null && e.getTag(Constants.ADDR_STREET) != null) {
buildings.add(e);
return true;
}
}
return super.acceptEntityToLoad(e);
}
@Override
public boolean acceptNodeToLoad(Node n) {
if (n.getTag("amenity") != null) {
amenities.add(n);
} else if (n.getTag("shop") != null) {
n.putTag("amenity", "shop");
amenities.add(n);
}
if (n.getTag("place") != null) {
places.add(n);
if (places.size() % 500 == 0) System.out.println();
System.out.print("-");
}
nodes.put(rc.getEntity().getId(), new LatLon(rc.getEntity().getLatitude(),
rc.getEntity().getLongitude()));
if (NodeUtil.getTag(entityContainer.getEntity(), "amenity") != null) {
amenities.add((Node) entityContainer.getEntity());
} else if (NodeUtil.getTag(entityContainer.getEntity(), "shop") != null) {
Entity n = entityContainer.getEntity();
n.getTags().add(new Tag("amenity", "shop"));
amenities.add((Node) n);
}
} else {
if (NodeUtil.tag(entityContainer.getEntity(), "building", "yes")) {
Entity e = entityContainer.getEntity();
if (NodeUtil.getTag(e, Constants.ADDR_HOUSE_NUMBER) != null
&& NodeUtil.getTag(e, Constants.ADDR_STREET) != null) {
buildings.add(e);
}
}
if (NodeUtil.getTag(entityContainer.getEntity(), "highway") != null) {
String h = NodeUtil.getTag(entityContainer.getEntity(), "highway");
if(!mapWays.containsKey(h)){
mapWays.put(h, 0);
}
mapWays.put(h, mapWays.get(h) + 1);
}
}
return true;
}
@Override
public void complete() {
public boolean acceptRelationToLoad(Relation w) {
return false;
}
@Override
public void release() {
public boolean acceptWayToLoad(Way w) {
if (WayUtil.wayForCar(w.getTag("highway"))) {
mapWays.add(w);
return true;
}
}, false));
return false;
}
};
if (parseOSM) {
storage.parseOSM(stream);
}
System.out.println("\n"+mapWays);
System.out.println(System.currentTimeMillis() - st);
// 1. found towns !
Region country = new Region(null);
for (Node s : places) {
String place = NodeUtil.getTag(s, "place");
String place = s.getTag("place");
if(place == null){
continue;
}
@ -209,31 +193,42 @@ public class DataExtraction implements IMapLocationListener {
} else {
City registerCity = country.registerCity(s);
if(registerCity == null){
System.out.println(place + " - " + NodeUtil.getTag(s, "name"));
System.out.println(place + " - " + s.getTag("name"));
}
}
}
// 2. found buildings (index addresses)
for(Entity b : buildings){
LatLon center ;
if(b instanceof Node){
center = NodeUtil.getLatLon((Node) b);
} else {
center = NodeUtil.getWeightCenter((Way) b, nodes);
}
LatLon center = b.getLatLon();
// TODO first of all tag could be checked NodeUtil.getTag(e, "addr:city")
if(center == null){
// no nodes where loaded for this way
} else {
City city = country.getClosestCity(center);
if(city != null){
if (city != null) {
city.registerBuilding(center, b);
}
}
}
for(Node node : amenities){
country.registerAmenity(node);
}
DataTileManager<LatLon> waysManager = new DataTileManager<LatLon>();
for (Way w : mapWays) {
for (Node n : w.getNodes()) {
if(n != null){
LatLon latLon = n.getLatLon();
waysManager.registerObject(latLon.getLatitude(), latLon.getLongitude(), latLon);
}
}
}
mapPanel.setPoints(waysManager);
runUI(country);
System.out.println();
@ -274,7 +269,7 @@ public class DataExtraction implements IMapLocationListener {
DefaultMutableTreeNode strTree = new DataExtractionTreeNode(str.getName(), str);
cityNodeTree.add(strTree);
for(Entity e : str.getBuildings()){
DefaultMutableTreeNode building = new DataExtractionTreeNode(NodeUtil.getTag(e, Constants.ADDR_HOUSE_NUMBER), e);
DefaultMutableTreeNode building = new DataExtractionTreeNode(e.getTag(Constants.ADDR_HOUSE_NUMBER), e);
strTree.add(building);
}
@ -421,7 +416,7 @@ public class DataExtraction implements IMapLocationListener {
Map<String, List<Node>> filter = new TreeMap<String, List<Node>>();
for(Node n : closestAmenities){
String type = NodeUtil.getTag(n, "amenity");
String type = n.getTag("amenity");
if(!filter.containsKey(type)){
filter.put(type, new ArrayList<Node>());
}
@ -440,8 +435,8 @@ public class DataExtraction implements IMapLocationListener {
for(int i=0; i<15 && i < closestAmenities.size(); i++){
Node n = closestAmenities.get(i);
String type = NodeUtil.getTag(n, "amenity");
String name = NodeUtil.getTag(n, "name");
String type = n.getTag("amenity");
String name = n.getTag("name");
int dist = (int) (NodeUtil.getDistance(n, newLatitude, newLongitude));
String str = type +" "+(name == null ? n.getId() : name) +" [" +dist+" m ]";
((DefaultMutableTreeNode)amenitiesTree.getChildAt(0)).add(
@ -459,31 +454,14 @@ public class DataExtraction implements IMapLocationListener {
if (p == null) {
p = new DefaultMutableTreeNode(s);
}
// Map<Node, DataExtractionTreeNode> consists = new LinkedHashMap<Node, DataExtractionTreeNode>();
// for(Node n : filter.get(s)){
// consists.put(n, null);
// }
// for(int i=0; i<p.getChildCount();){
// Object userObject = ((DefaultMutableTreeNode)p.getChildAt(i)).getUserObject();
// if(consists.containsKey(userObject)){
// consists.put((Node) userObject, (DataExtractionTreeNode) p.getChildAt(i));
// i++;
// } else {
// p.remove(i);
// }
// }
p.removeAllChildren();
for(Node n : filter.get(s)){
String name = NodeUtil.getTag(n, "name");
for (Node n : filter.get(s)) {
String name = n.getTag("name");
int dist = (int) (NodeUtil.getDistance(n, newLatitude, newLongitude));
String str = (name == null ? n.getId() : name) +" [" +dist+" m ]";
// if(consists.get(n) != null){
// consists.get(n).setName(str);
// } else {
String str = (name == null ? n.getId() : name) + " [" + dist + " m ]";
DataExtractionTreeNode node = new DataExtractionTreeNode(str, n);
p.add(node);
// }
}
amenitiesTree.add(p);
}

View file

@ -24,6 +24,8 @@ import javax.swing.JPanel;
import javax.swing.UIManager;
import com.osmand.DataExtraction.ExitListener;
import com.osmand.data.DataTileManager;
import com.osmand.osm.LatLon;
public class MapPanel extends JPanel {
@ -55,12 +57,19 @@ public class MapPanel extends JPanel {
}
private final int tileSize = 256;
private BufferedImage[][] images;
private int xStartingImage = 0;
private int yStartingImage = 0;
// name of source map
private String map = "Mapnik";
// tile size of map
private final int tileSize = 256;
// file name with tiles
private final File fileWithTiles;
// special points to draw
private DataTileManager<LatLon> points;
// zoom levle
private int zoom = 15;
// degree measurements (-180, 180)
@ -72,7 +81,15 @@ public class MapPanel extends JPanel {
private List<IMapLocationListener> listeners = new ArrayList<IMapLocationListener>();
private String map = "Mapnik";
// cached data to draw image
private BufferedImage[][] images;
private int xStartingImage = 0;
private int yStartingImage = 0;
private List<Point> pointsToDraw = new ArrayList<Point>();
public MapPanel(File fileWithTiles) {
this.fileWithTiles = fileWithTiles;
@ -91,12 +108,11 @@ public class MapPanel extends JPanel {
@Override
protected void paintComponent(Graphics g) {
System.out.println("draw");
if (images != null) {
for (int i = 0; i < images.length; i++) {
for (int j = 0; j < images[i].length; j++) {
if(images[i][j] == null){
if((i+j + (int)getXTile() + (int)getYTile()) % 2 == 0){
if ((i + j + (int) getXTile() + (int) getYTile()) % 2 == 0) {
g.setColor(Color.gray);
} else {
g.setColor(Color.white);
@ -109,6 +125,12 @@ public class MapPanel extends JPanel {
}
}
g.setColor(Color.black);
// draw user points
for(Point p : pointsToDraw){
g.drawOval(p.x, p.y, 3, 3);
g.fillOval(p.x, p.y, 3, 3);
}
g.fillOval(getWidth()/2 - 2, getHeight()/2 -2, 4, 4);
g.drawOval(getWidth()/2 - 2, getHeight()/2 -2, 4, 4);
@ -176,6 +198,31 @@ public class MapPanel extends JPanel {
images[i][j]= getImageFor(xStartInd + i, yStartInd + j);
}
}
if(points != null){
double latDown = NodeUtil.getLatitudeFromTile(zoom,
NodeUtil.getTileNumberY(zoom, latitude) + ((double)getHeight()/tileSize));
double longDown = NodeUtil.getLongitudeFromTile(zoom,
NodeUtil.getTileNumberX(zoom, longitude) + ((double)getWidth()/tileSize));
double latUp = NodeUtil.getLatitudeFromTile(zoom,
NodeUtil.getTileNumberY(zoom, latitude) - ((double)getHeight()/tileSize));
double longUp = NodeUtil.getLongitudeFromTile(zoom,
NodeUtil.getTileNumberX(zoom, longitude) - ((double)getWidth()/tileSize));
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) +
getWidth() / 2;
int pixY = NodeUtil.getPixelShiftY(zoom, n.getLatitude(), this.latitude, tileSize) +
getHeight() / 2;
if(pixX >= 0 && pixY >= 0){
pointsToDraw.add(new Point(pixX, pixY));
}
}
}
repaint();
} catch (IOException e) {
e.printStackTrace();
@ -249,17 +296,20 @@ public class MapPanel extends JPanel {
protected void processKeyEvent(KeyEvent e) {
boolean processed = false;
if (e.getID() == KeyEvent.KEY_RELEASED) {
if (e.getKeyCode() == 37) {
// LEFT button
longitude = NodeUtil.getLongitudeFromTile(zoom, getXTile()-0.5);
processed = true;
} else if (e.getKeyCode() == 39) {
// RIGHT button
longitude = NodeUtil.getLongitudeFromTile(zoom, getXTile()+0.5);
processed = true;
} else if (e.getKeyCode() == 38) {
// UP button
latitude = NodeUtil.getLatitudeFromTile(zoom, getYTile()-0.5);
processed = true;
} else if (e.getKeyCode() == 40) {
// DOWN button
latitude = NodeUtil.getLatitudeFromTile(zoom, getYTile()+0.5);
processed = true;
}
@ -282,6 +332,14 @@ public class MapPanel extends JPanel {
super.processKeyEvent(e);
}
public DataTileManager<LatLon> getPoints() {
return points;
}
public void setPoints(DataTileManager<LatLon> points) {
this.points = points;
}
public class MapMouseAdapter extends MouseAdapter {
private Point startDragging = null;

View file

@ -1,79 +1,14 @@
package com.osmand;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import org.openstreetmap.osmosis.core.domain.v0_6.Entity;
import org.openstreetmap.osmosis.core.domain.v0_6.Node;
import org.openstreetmap.osmosis.core.domain.v0_6.Tag;
import org.openstreetmap.osmosis.core.domain.v0_6.Way;
import org.openstreetmap.osmosis.core.domain.v0_6.WayNode;
import com.osmand.osm.Entity;
import com.osmand.osm.LatLon;
import com.osmand.osm.Node;
public class NodeUtil {
public static class LatLon {
private final double longitude;
private final double latitude;
public LatLon(double latitude, double longitude){
this.latitude = latitude;
this.longitude = longitude;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
long temp;
temp = Double.doubleToLongBits(latitude);
result = prime * result + (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(longitude);
result = prime * result + (int) (temp ^ (temp >>> 32));
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
LatLon other = (LatLon) obj;
if (Double.doubleToLongBits(latitude) != Double
.doubleToLongBits(other.latitude))
return false;
if (Double.doubleToLongBits(longitude) != Double
.doubleToLongBits(other.longitude))
return false;
return true;
}
@Override
public String toString() {
return "Lat " + latitude +" Lon "+ longitude;
}
public double getLatitude() {
return latitude;
}
public double getLongitude() {
return longitude;
}
}
public static String getTag(Entity e, String name){
for(Tag t : e.getTags()){
if(name.equals(t.getKey())){
return t.getValue();
}
}
return null;
}
public static double getDistance(Node e1, Node e2){
return getDistance(e1.getLatitude(), e1.getLongitude(), e2.getLatitude(), e2.getLongitude());
@ -131,28 +66,6 @@ public class NodeUtil {
return new LatLon(n.getLatitude(), n.getLongitude());
}
public static LatLon getWeightCenter(Way way, Map<Long, LatLon> nodes){
List<WayNode> wayNodes = way.getWayNodes();
ArrayList<LatLon> arrayList = new ArrayList<LatLon>(wayNodes.size());
for(WayNode n : wayNodes){
if(nodes.containsKey(n.getNodeId())){
arrayList.add(nodes.get(n.getNodeId()));
}
}
return getWeightCenter(arrayList);
}
public static LatLon getWeightCenterForNodes(Way way, Map<Long, Node> nodes){
List<WayNode> wayNodes = way.getWayNodes();
ArrayList<Node> arrayList = new ArrayList<Node>(wayNodes.size());
for(WayNode n : wayNodes){
if(nodes.containsKey(n.getNodeId())){
arrayList.add(nodes.get(n.getNodeId()));
}
}
return getWeightCenterForNodes(arrayList);
}
/**
@ -191,13 +104,22 @@ public class NodeUtil {
return Math.atan(Math.sinh(Math.PI * (1 - 2 * y / (1 << zoom)))) * 180d / Math.PI;
}
public static boolean isEmpty(String s){
return s == null || s.length() == 0;
public static int getPixelShiftX(int zoom, double long1, double long2, int tileSize){
return (int) ((NodeUtil.getTileNumberX(zoom, long1) - NodeUtil.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);
}
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;
@ -207,7 +129,7 @@ public class NodeUtil {
}
public static boolean tag(Entity e, String name, String value){
String tag = getTag(e, name);
String tag = e.getTag(name);
return value.equals(tag);
}
}

View file

@ -0,0 +1,19 @@
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" };
for(String c : cars){
if(c.equals(tagHighway)){
return true;
}
}
}
return false;
}
}

View file

@ -4,11 +4,10 @@ import java.util.Collection;
import java.util.Map;
import java.util.TreeMap;
import org.openstreetmap.osmosis.core.domain.v0_6.Entity;
import org.openstreetmap.osmosis.core.domain.v0_6.Node;
import com.osmand.NodeUtil;
import com.osmand.NodeUtil.LatLon;
import com.osmand.osm.Entity;
import com.osmand.osm.LatLon;
import com.osmand.osm.Node;
public class City {
@ -31,7 +30,7 @@ public class City {
public City(Node el){
this.el = el;
String place = NodeUtil.getTag(el, "place");
String place = el.getTag("place");
for(CityType t : CityType.values()){
if(t.name().equalsIgnoreCase(place)){
type = t;
@ -41,8 +40,8 @@ public class City {
}
public Street registerBuilding(LatLon point, Entity e){
String number = NodeUtil.getTag(e, "addr:housenumber");
String street = NodeUtil.getTag(e, "addr:street");
String number = e.getTag("addr:housenumber");
String street = e.getTag("addr:street");
if( street != null && number != null){
if(!streets.containsKey(street)){
streets.put(street, new Street(street));
@ -55,7 +54,7 @@ public class City {
public String getName(){
return NodeUtil.getTag(el, "name");
return el.getTag("name");
}
public CityType getType(){

View file

@ -38,6 +38,20 @@ public class DataTileManager<T> {
}
}
public List<T> getObjects(double latitudeUp, double longitudeUp, double latitudeDown, double longitudeDown) {
int tileXUp = (int) NodeUtil.getTileNumberX(zoom, longitudeUp);
int tileYUp = (int) NodeUtil.getTileNumberY(zoom, latitudeUp);
int tileXDown = (int) NodeUtil.getTileNumberX(zoom, longitudeDown);
int tileYDown = (int) NodeUtil.getTileNumberY(zoom, latitudeDown);
List<T> result = new ArrayList<T>();
for (int i = tileXUp; i <= tileXDown; i++) {
for (int j = tileYUp; j <= tileYDown; j++) {
putObjects(i, j, result);
}
}
return result;
}
/**
* @depth of the neighbor tile to visit
* returns not exactly sorted list,
@ -52,8 +66,8 @@ public class DataTileManager<T> {
putObjects(tileX, tileY, result);
// that's very difficult way visiting node :
// similar to visit like spiral
// however the simplest way could visit by matrix & after that sort tiles by distance (that's less efficient)
// similar to visit by spiral
// however the simplest way could be to visit row by row & after sort tiles by distance (that's less efficient)
// go through circle
for (int i = 1; i <= depth; i++) {

View file

@ -6,12 +6,11 @@ import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.openstreetmap.osmosis.core.domain.v0_6.Entity;
import org.openstreetmap.osmosis.core.domain.v0_6.Node;
import com.osmand.NodeUtil;
import com.osmand.NodeUtil.LatLon;
import com.osmand.data.City.CityType;
import com.osmand.osm.Entity;
import com.osmand.osm.LatLon;
import com.osmand.osm.Node;
public class Region {
private Entity entity;
@ -36,7 +35,7 @@ public class Region {
}
public String getName(){
return entity == null ? "" : NodeUtil.getTag(entity, "name");
return entity == null ? "" : entity.getTag("name");
}
public Collection<City> getCitiesByType(CityType type){

View file

@ -4,9 +4,8 @@ import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.openstreetmap.osmosis.core.domain.v0_6.Entity;
import com.osmand.NodeUtil.LatLon;
import com.osmand.osm.Entity;
import com.osmand.osm.LatLon;
public class Street {

View file

@ -0,0 +1,74 @@
package com.osmand.osm;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;
public abstract class Entity {
// lazy initializing
private Map<String, String> tags = null;
private final long id;
public Entity(long id) {
this.id = id;
}
public long getId() {
return id;
}
public String putTag(String key, String value){
if(tags == null){
tags = new LinkedHashMap<String, String>();
}
return tags.put(key, value);
}
public String getTag(String key){
if(tags == null){
return null;
}
return tags.get(key);
}
public Map<String, String> getTags() {
return Collections.unmodifiableMap(tags);
}
public Collection<String> getTagKeySet(){
if(tags == null){
return Collections.emptyList();
}
return tags.keySet();
}
public abstract void initializeLinks(Map<Long, Entity> entities);
/**
* @return middle point for entity
*/
public abstract LatLon getLatLon();
@Override
public int hashCode() {
return (int) id;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Entity other = (Entity) obj;
if (id != other.id)
return false;
return true;
}
}

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package com.osmand.osm;
public class LatLon {
private final double longitude;
private final double latitude;
public LatLon(double latitude, double longitude){
this.latitude = latitude;
this.longitude = longitude;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
long temp;
temp = Double.doubleToLongBits(latitude);
result = prime * result + (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(longitude);
result = prime * result + (int) (temp ^ (temp >>> 32));
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
LatLon other = (LatLon) obj;
if (Double.doubleToLongBits(latitude) != Double
.doubleToLongBits(other.latitude))
return false;
if (Double.doubleToLongBits(longitude) != Double
.doubleToLongBits(other.longitude))
return false;
return true;
}
@Override
public String toString() {
return "Lat " + latitude +" Lon "+ longitude;
}
public double getLatitude() {
return latitude;
}
public double getLongitude() {
return longitude;
}
}

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package com.osmand.osm;
import java.util.Map;
public class Node extends Entity {
private double latitude;
private double longitude;
// currently not used
// private boolean visible = true;
public Node(double latitude, double longitude, long id){
super(id);
this.latitude = latitude;
this.longitude = longitude;
}
public double getLatitude() {
return latitude;
}
public double getLongitude() {
return longitude;
}
public void setLatitude(double latitude) {
this.latitude = latitude;
}
public void setLongitude(double longitude) {
this.longitude = longitude;
}
@Override
public LatLon getLatLon() {
return new LatLon(latitude, longitude);
}
@Override
public void initializeLinks(Map<Long, Entity> entities) {
// nothing to initialize
}
}

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package com.osmand.osm;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
public class Relation extends Entity {
// lazyLoading
Map<Long, String> members = null;
Map<Entity, String> memberEntities = null;
public Relation(long id) {
super(id);
}
public void addMember(Long id, String role){
if(members == null){
members = new LinkedHashMap<Long, String>();
}
members.put(id, role);
}
public String removeMember(Long id){
if(members == null){
return null;
}
return members.remove(id);
}
public String getRole(Entity e){
return members.get(e.getId());
}
public String getRole(Long id){
return members.get(id);
}
public Collection<Long> getMemberIds(String role) {
if (members == null) {
return Collections.emptyList();
}
if (role == null) {
return members.keySet();
}
List<Long> l = new ArrayList<Long>();
for (Long m : members.keySet()) {
if (role.equals(members.get(m))) {
l.add(m);
}
}
return l;
}
public Collection<Entity> getMembers(String role) {
if (memberEntities == null) {
return Collections.emptyList();
}
if (role == null) {
return memberEntities.keySet();
}
List<Entity> l = new ArrayList<Entity>();
for (Entity m : memberEntities.keySet()) {
if (role.equals(memberEntities.get(m))) {
l.add(m);
}
}
return l;
}
@Override
public void initializeLinks(Map<Long, Entity> entities){
if (members != null) {
if(memberEntities == null){
memberEntities = new LinkedHashMap<Entity, String>();
} else {
memberEntities.clear();
}
for(Long l : members.keySet()){
if(l != null && entities.get(l) != null){
memberEntities.put(entities.get(l), members.get(l));
}
}
}
}
@Override
public LatLon getLatLon() {
return null;
}
}

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package com.osmand.osm;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import com.osmand.NodeUtil;
public class Way extends Entity {
// lazy loading
private List<Long> nodeIds = null;
private List<Node> nodes = null;
public Way(long id) {
super(id);
}
public void addNode(long id){
if(nodeIds == null){
nodeIds = new ArrayList<Long>();
}
nodeIds.add(id);
}
public Long removeNodeByIndex(int i){
if(nodeIds == null){
return null;
}
return nodeIds.remove(i);
}
public List<Long> getNodeIds(){
return nodeIds;
}
public List<Node> getNodes() {
return nodes;
}
@Override
public void initializeLinks(Map<Long, Entity> entities) {
if (nodeIds != null) {
if(nodes == null){
nodes = new ArrayList<Node>();
} else {
nodes.clear();
}
for (int i = 0; i < nodeIds.size(); i++) {
if(entities.get(nodeIds.get(i)) instanceof Node){
nodes.add((Node) entities.get(nodeIds.get(i)));
} else {
nodes.add(null);
}
}
}
}
@Override
public LatLon getLatLon() {
if(nodes == null){
return null;
}
List<LatLon> list = new ArrayList<LatLon>(nodes.size());
for(Node n : nodes){
if(n != null){
list.add(n.getLatLon());
}
}
return NodeUtil.getWeightCenter(list);
}
}

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package com.osmand.osm.io;
import java.io.IOException;
import java.io.InputStream;
import java.util.LinkedHashMap;
import java.util.Map;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import com.osmand.osm.Entity;
import com.osmand.osm.Node;
import com.osmand.osm.Relation;
import com.osmand.osm.Way;
public class OsmBaseStorage extends DefaultHandler {
protected static final String ELEM_OSM = "osm";
protected static final String ELEM_NODE = "node";
protected static final String ELEM_TAG = "tag";
protected static final String ELEM_WAY = "way";
protected static final String ELEM_ND = "nd";
protected static final String ELEM_RELATION = "relation";
protected static final String ELEM_MEMBER = "member";
protected static final String ATTR_VERSION = "version";
protected static final String ATTR_ID = "id";
protected static final String ATTR_LAT = "lat";
protected static final String ATTR_LON = "lon";
protected static final String ATTR_K = "k";
protected static final String ATTR_V = "v";
protected static final String ATTR_TYPE = "type";
protected static final String ATTR_REF = "ref";
protected static final String ATTR_ROLE = "role";
protected Entity currentParsedEntity = null;
private boolean parseStarted;
protected Map<Long, Entity> entities = new LinkedHashMap<Long, Entity>();
/**
* @param stream
* @throws IOException
* @throws SAXException - could be
*/
public synchronized void parseOSM(InputStream stream) throws IOException, SAXException {
SAXParser parser = initSaxParser();
parseStarted = false;
entities.clear();
parser.parse(stream, this);
completeReading();
}
private SAXParser saxParser;
public SAXParser initSaxParser(){
if(saxParser != null){
return saxParser;
}
SAXParserFactory factory = SAXParserFactory.newInstance();
try {
return saxParser = factory.newSAXParser();
} catch (ParserConfigurationException e) {
throw new IllegalStateException(e);
} catch (SAXException e) {
throw new IllegalStateException(e);
}
}
protected Long parseId(Attributes a, String name, long defId){
long id = defId;
String value = a.getValue(name);
try {
id = Long.parseLong(value);
} catch (NumberFormatException e) {
}
return id;
}
protected double parseDouble(Attributes a, String name, double defVal){
double ret = defVal;
String value = a.getValue(name);
try {
ret = Double.parseDouble(value);
} catch (NumberFormatException e) {
}
return ret;
}
@Override
public void startElement(String uri, String localName, String name, Attributes attributes) throws SAXException {
if(!parseStarted){
if(!ELEM_OSM.equals(name) || !"0.6".equals(attributes.getValue(ATTR_VERSION))){
throw new OsmVersionNotSupported();
}
parseStarted = true;
}
if (currentParsedEntity == null) {
if (ELEM_NODE.equals(name)) {
currentParsedEntity = new Node(parseDouble(attributes, ATTR_LAT, 0), parseDouble(attributes, ATTR_LON, 0),
parseId(attributes, ATTR_ID, -1));
} else if (ELEM_WAY.equals(name)) {
currentParsedEntity = new Way(parseId(attributes, ATTR_ID, -1));
} else if (ELEM_RELATION.equals(name)) {
currentParsedEntity = new Relation(parseId(attributes, ATTR_ID, -1));
} else {
// this situation could be logged as unhandled
}
} else {
if (ELEM_TAG.equals(name)) {
String key = attributes.getValue(ATTR_K);
if(key != null){
currentParsedEntity.putTag(key, attributes.getValue(ATTR_V));
}
} else if (ELEM_ND.equals(name)) {
Long id = parseId(attributes, ATTR_REF, -1);
if(id != -1 && currentParsedEntity instanceof Way){
((Way)currentParsedEntity).addNode(id);
}
} else if (ELEM_MEMBER.equals(name)) {
Long id = parseId(attributes, ATTR_REF, -1);
if(id != -1 && currentParsedEntity instanceof Relation){
((Relation)currentParsedEntity).addMember(id, attributes.getValue(ATTR_ROLE));
}
} else {
// this situation could be logged as unhandled
}
}
}
@Override
public void endElement(String uri, String localName, String name) throws SAXException {
if (ELEM_NODE.equals(name) || ELEM_WAY.equals(name) || ELEM_RELATION.equals(name)) {
if(currentParsedEntity != null){
if(acceptEntityToLoad(currentParsedEntity)){
Entity oldEntity = entities.put(currentParsedEntity.getId(), currentParsedEntity);
if(oldEntity!= null){
throw new UnsupportedOperationException("Entity with id=" + oldEntity.getId() +" is duplicated in osm map");
}
}
currentParsedEntity = null;
}
}
super.endElement(uri, localName, name);
}
public void completeReading(){
for(Entity e : entities.values()){
e.initializeLinks(entities);
}
}
public boolean acceptEntityToLoad(Entity e){
if(e instanceof Way){
return acceptWayToLoad((Way) e);
} else if(e instanceof Relation){
return acceptRelationToLoad((Relation) e);
} else if(e instanceof Node){
return acceptNodeToLoad((Node) e);
}
return false;
}
public boolean acceptWayToLoad(Way w){
return true;
}
public boolean acceptRelationToLoad(Relation w){
return true;
}
public boolean acceptNodeToLoad(Node n){
return true;
}
}

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package com.osmand.osm.io;
import org.xml.sax.SAXException;
/**
* Thrown when version is not supported
*/
public class OsmVersionNotSupported extends SAXException {
private static final long serialVersionUID = -127558215143984838L;
}