Add postcode search

git-svn-id: https://osmand.googlecode.com/svn/trunk@165 e29c36b1-1cfa-d876-8d93-3434fc2bb7b8

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

@@ -1,13 +1,26 @@
 package com.osmand.data;
 
 import com.osmand.osm.Entity;
+import com.osmand.osm.OSMSettings.OSMTagKey;
 
 public class Building extends MapObject {
 	
+	private String postcode;
+
 	public Building(Entity e){
 		super(e);
+		// try to extract postcode
+		postcode = e.getTag(OSMTagKey.ADDR_POSTCODE);
 	}
 	
 	public Building(){}
 	
+	public String getPostcode() {
+		return postcode;
+	}
+	
+	public void setPostcode(String postcode) {
+		this.postcode = postcode;
+	}
+
 }

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

@@ -3,7 +3,9 @@ package com.osmand.data;
 import java.text.Collator;
 import java.util.Collection;
 import java.util.Map;
+import java.util.SortedSet;
 import java.util.TreeMap;
+import java.util.TreeSet;
 
 import com.osmand.Algoritms;
 import com.osmand.osm.Entity;
@@ -46,6 +48,7 @@ public class City extends MapObject {
 	private CityType type = null;
 	// Be attentive ! Working with street names ignoring case
 	private Map<String, Street> streets = new TreeMap<String, Street>(Collator.getInstance()); 
+	private SortedSet<String> postcodes = new TreeSet<String>();
 	
 	public City(Node el){
 		super(el);
@@ -100,7 +103,10 @@ public class City extends MapObject {
 		String number = e.getTag(OSMTagKey.ADDR_HOUSE_NUMBER);
 		String street = e.getTag(OSMTagKey.ADDR_STREET);
 		if( street != null && number != null){
-			registerStreet(street).registerBuilding(e);
+			Building building = registerStreet(street).registerBuilding(e);
+			if (building.getPostcode() != null) {
+				postcodes.add(building.getPostcode());
+			}
 			return streets.get(street.toLowerCase());
 		}
 		return null;
@@ -110,6 +116,10 @@ public class City extends MapObject {
 		return type;
 	}
 	
+	public SortedSet<String> getPostcodes() {
+		return postcodes;
+	}
+	
 	public Collection<Street> getStreets(){
 		return streets.values();
 	}

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

@@ -0,0 +1,14 @@
+package com.osmand.data;
+
+public class PostcodeBasedStreet extends Street {
+
+	public PostcodeBasedStreet(City city, String postcode) {
+		super(city, postcode);
+	}
+	
+	@Override
+	public Long getId() {
+		return -1l;
+	}
+
+}

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

@@ -28,10 +28,11 @@ public class Street extends MapObject {
 		this.city = city;
 	}
 	
-	public void registerBuilding(Entity e){
+	public Building registerBuilding(Entity e){
 		Building building = new Building(e);
 		building.setName(e.getTag(OSMTagKey.ADDR_HOUSE_NUMBER));
 		buildings.add(building);
+		return building;
 	}
 	
 	public void registerBuilding(Building building){

DataExtractionOSM/src/com/osmand/data/index/DataIndexWriter.java

@@ -140,7 +140,7 @@ public class DataIndexWriter {
 	        PreparedStatement prepStreet = conn.prepareStatement(
 		            IndexConstants.generatePrepareStatementToInsert(IndexStreetTable.getTable(), 6));
 	        PreparedStatement prepBuilding = conn.prepareStatement(
-		            IndexConstants.generatePrepareStatementToInsert(IndexBuildingTable.getTable(), 6));
+		            IndexConstants.generatePrepareStatementToInsert(IndexBuildingTable.getTable(), 7));
 	        PreparedStatement prepStreetNode = conn.prepareStatement(
 		            IndexConstants.generatePrepareStatementToInsert(IndexStreetNodeTable.getTable(), 5));
 	        Map<PreparedStatement, Integer> count = new HashMap<PreparedStatement, Integer>();
@@ -199,6 +199,8 @@ public class DataIndexWriter {
 							prepBuilding.setString(IndexBuildingTable.NAME.ordinal() + 1, building.getName());
 							prepBuilding.setString(IndexBuildingTable.NAME_EN.ordinal() + 1, building.getEnName());
 							prepBuilding.setLong(IndexBuildingTable.STREET.ordinal() + 1, street.getId());
+							prepBuilding.setString(IndexBuildingTable.POSTCODE.ordinal()+1, building.getPostcode() == null ? null : building.getPostcode().toUpperCase());
+							
 							addBatch(count, prepBuilding);
 						}
 					}

DataExtractionOSM/src/com/osmand/data/index/IndexConstants.java

@@ -246,7 +246,7 @@ public class IndexConstants {
 	}
 	
 	public enum IndexBuildingTable implements IndexColumn {
-		ID("long"), LATITUDE("double"), LONGITUDE("double"), NAME, NAME_EN, STREET("long", true);
+		ID("long"), LATITUDE("double"), LONGITUDE("double"), NAME, NAME_EN, STREET("long", true), POSTCODE;
 		boolean index = false;
 		String type = null;
 

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

@@ -17,6 +17,7 @@ public class OSMSettings {
 		PLACE("place"),
 		ADDR_HOUSE_NUMBER("addr:housenumber"),
 		ADDR_STREET("addr:street"),
+		ADDR_POSTCODE("addr:postcode"),
 		
 		// POI
 		AMENITY("amenity"),

OsmAnd/src/com/osmand/RegionAddressRepository.java

@@ -1,6 +1,7 @@
 package com.osmand;
 
 import java.io.File;
+import java.lang.reflect.Array;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
@@ -19,6 +20,7 @@ import android.database.sqlite.SQLiteDatabase;
 
 import com.osmand.data.Building;
 import com.osmand.data.City;
+import com.osmand.data.PostcodeBasedStreet;
 import com.osmand.data.Region;
 import com.osmand.data.Street;
 import com.osmand.data.City.CityType;
@@ -91,7 +93,14 @@ public class RegionAddressRepository {
 		if(city.isEmptyWithStreets()){
 			preloadStreets(city);
 		}
-		return city.getStreet(name);
+		if (city.getPostcodes().isEmpty()) {
+			preloadPostcodes(city);
+		}
+		Street street = city.getStreet(name);
+		if (street == null) {
+			street = city.getPostcodes().contains(name.toUpperCase()) ? new PostcodeBasedStreet(city, name) : null;
+		}
+		return street;
 	}
 	
 	public Building getBuildingByName(Street street, String name){
@@ -180,12 +189,27 @@ public class RegionAddressRepository {
 	
 	public void fillWithSuggestedStreets(City c, String name, List<Street> streetsToFill){
 		preloadStreets(c);
+		preloadPostcodes(c);
 		name = name.toLowerCase();
+		
 		int ind = 0;
 		if(name.length() == 0){
 			streetsToFill.addAll(c.getStreets());
 			return;
+		} else if (name.length() >= 2 &&
+				   Character.isDigit(name.charAt(0)) &&
+				   Character.isDigit(name.charAt(1))) {
+			// also try to identify postcodes
+			for (String code:c.getPostcodes()) {
+				code = code.toLowerCase();
+				if (code.startsWith(name)) {
+					streetsToFill.add(ind++,new PostcodeBasedStreet(c, code));
+				} else {
+					streetsToFill.add(new PostcodeBasedStreet(c, code));
+				}
+			}
 		}
+		ind = 0;
 		for (Street s : c.getStreets()) {
 			String sName = useEnglishNames ? s.getEnName() : s.getName();
 			String lowerCase = sName.toLowerCase();
@@ -204,7 +228,10 @@ public class RegionAddressRepository {
 			EnumSet<CityType> set = EnumSet.of(CityType.CITY, CityType.TOWN); 
 			for(CityType t : set){
 				if(name.length() == 0){
-					citiesToFill.addAll(cityTypes.get(t));
+					List<City> list = cityTypes.get(t);
+					if (list != null) {
+						citiesToFill.addAll(list);
+					}
 				} else {
 					name = name.toLowerCase();
 					for (City c : cityTypes.get(t)) {
@@ -282,10 +309,43 @@ public class RegionAddressRepository {
 		
 	}
     
+    public void preloadPostcodes(City city) {
+    	if (city.getPostcodes().isEmpty()) {
+    		// check if it possible to load postcodes
+    		try {
+	    		Cursor query = db.query(true, IndexBuildingTable.getTable(), new String[]{IndexBuildingTable.POSTCODE.toString()},null,null,null,null,null,null);
+				log.debug("Start loading postcodes for "  + city.getName());
+				if (query.moveToFirst()) {
+					do {
+						String postcode = query.getString(0);
+						if (postcode != null) {
+							city.getPostcodes().add(postcode);
+						}
+					} while (query.moveToNext());
+				}
+				query.close();
+				log.debug("Loaded " + city.getPostcodes().size() + " buildings");
+    		} catch (Throwable t) {
+    			log.warn("Can't load postcodes information. It might be that you are using old version of index.", t);
+    		}
+    	}
+    }
+	
 	public void preloadBuildings(Street street){
 		if (street.getBuildings().isEmpty()) {
-			Cursor query = db.query(IndexBuildingTable.getTable(), IndexConstants.generateColumnNames(IndexBuildingTable.values()), "? = street",
+			Cursor query = null;
-					new String[] { street.getId() + "" }, null, null, null);
+			if (street instanceof PostcodeBasedStreet) {
+				// this is postcode
+				query = db.query(IndexBuildingTable.getTable(), IndexConstants.generateColumnNames(IndexBuildingTable.values()), "? = postcode",
+						new String[] { street.getName().toUpperCase()}, null, null, null);
+			} else {
+				IndexBuildingTable[] columns = IndexBuildingTable.values();
+				IndexBuildingTable[] columnsWithoutPostcode = new IndexBuildingTable[columns.length-1];
+				// we don't need postcode information here
+				System.arraycopy(columns, 0, columnsWithoutPostcode, 0, columnsWithoutPostcode.length);
+				query = db.query(IndexBuildingTable.getTable(), IndexConstants.generateColumnNames(columnsWithoutPostcode), "? = street",
+						new String[] { street.getId() + "" }, null, null, null);
+			}
 			log.debug("Start loading buildings for "  + street.getName());
 			if (query.moveToFirst()) {
 				do {