include read to android app
git-svn-id: https://osmand.googlecode.com/svn/trunk@17 e29c36b1-1cfa-d876-8d93-3434fc2bb7b8
This commit is contained in:
Victor Shcherb
parent
74061331e6
commit
5f8af871f0
4 changed files with 148 additions and 116 deletions
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@ -58,6 +58,7 @@ import com.osmand.osm.OSMSettings;
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import com.osmand.osm.Relation;
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import com.osmand.osm.Way;
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import com.osmand.osm.OSMSettings.OSMTagKey;
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import com.osmand.osm.io.OSMStorageWriter;
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import com.osmand.osm.io.OsmBaseStorage;
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@ -244,7 +245,8 @@ public class DataExtraction implements IMapLocationListener {
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MapUtils.addIdsToList(mapWays, interestedObjects);
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// MapUtils.addIdsToList(buildings, interestedObjects);
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if (DefaultLauncherConstants.writeTestOsmFile != null) {
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storage.saveStorage(new FileOutputStream(DefaultLauncherConstants.writeTestOsmFile), interestedObjects, true);
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OSMStorageWriter writer = new OSMStorageWriter(storage.getRegisteredEntities());
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writer.saveStorage(new FileOutputStream(DefaultLauncherConstants.writeTestOsmFile), interestedObjects, true);
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}
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System.out.println();
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138
DataExtractionOSM/src/com/osmand/osm/io/OSMStorageWriter.java
Normal file
138
DataExtractionOSM/src/com/osmand/osm/io/OSMStorageWriter.java
Normal file
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@ -0,0 +1,138 @@
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package com.osmand.osm.io;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import java.util.Map;
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import java.util.Stack;
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import java.util.Map.Entry;
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import javax.xml.stream.XMLStreamException;
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import javax.xml.stream.XMLStreamWriter;
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import com.osmand.osm.Entity;
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import com.osmand.osm.Node;
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import com.osmand.osm.Relation;
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import com.osmand.osm.Way;
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import com.sun.org.apache.xerces.internal.impl.PropertyManager;
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import com.sun.xml.internal.stream.writers.XMLStreamWriterImpl;
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import static com.osmand.osm.io.OsmBaseStorage.*;
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public class OSMStorageWriter {
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private final Map<Long, Entity> entities;
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private final String INDENT = " ";
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private final String INDENT2 = INDENT + INDENT;
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public OSMStorageWriter(Map<Long, Entity> entities){
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this.entities = entities;
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}
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public void saveStorage(OutputStream output, Collection<Long> interestedObjects, boolean includeLinks) throws XMLStreamException, IOException {
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PropertyManager propertyManager = new PropertyManager(PropertyManager.CONTEXT_WRITER);
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// transformer.setOutputProperty(OutputKeys.INDENT, "yes");
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// String indent = "{http://xml.apache.org/xslt}indent-amount";
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// transformer.setOutputProperty(indent, "4");
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XMLStreamWriter streamWriter = new XMLStreamWriterImpl(output, propertyManager);
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List<Node> nodes = new ArrayList<Node>();
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List<Way> ways = new ArrayList<Way>();
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List<Relation> relations = new ArrayList<Relation>();
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if(interestedObjects == null){
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interestedObjects = entities.keySet();
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}
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Stack<Long> toResolve = new Stack<Long>();
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toResolve.addAll(interestedObjects);
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while(!toResolve.isEmpty()){
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Long l = toResolve.pop();
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if(entities.get(l) instanceof Node){
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nodes.add((Node) entities.get(l));
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} else if(entities.get(l) instanceof Way){
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ways.add((Way) entities.get(l));
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toResolve.addAll(((Way)entities.get(l)).getNodeIds());
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} else if(entities.get(l) instanceof Relation){
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relations.add((Relation) entities.get(l));
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toResolve.addAll(((Relation)entities.get(l)).getMemberIds());
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}
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}
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streamWriter.writeStartDocument();
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writeStartElement(streamWriter, ELEM_OSM, "");
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streamWriter.writeAttribute(ATTR_VERSION, "0.6");
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for(Node n : nodes){
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writeStartElement(streamWriter, ELEM_NODE, INDENT);
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streamWriter.writeAttribute(ATTR_LAT, n.getLatitude()+"");
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streamWriter.writeAttribute(ATTR_LON, n.getLongitude()+"");
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streamWriter.writeAttribute(ATTR_ID, n.getId()+"");
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writeTags(streamWriter, n);
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streamWriter.writeEndElement();
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}
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for(Way w : ways){
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writeStartElement(streamWriter, ELEM_WAY, INDENT);
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streamWriter.writeAttribute(ATTR_ID, w.getId()+"");
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for(Long r : w.getNodeIds()){
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writeStartElement(streamWriter, ELEM_ND, INDENT2);
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streamWriter.writeAttribute(ATTR_REF, r+"");
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streamWriter.writeEndElement();
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}
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writeTags(streamWriter, w);
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streamWriter.writeEndElement();
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}
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for(Relation r : relations){
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writeStartElement(streamWriter, ELEM_RELATION, INDENT);
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streamWriter.writeAttribute(ATTR_ID, r.getId()+"");
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for(Entry<Long, String> e : r.getMembersMap().entrySet()){
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writeStartElement(streamWriter, ELEM_MEMBER, INDENT2);
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streamWriter.writeAttribute(ATTR_REF, e.getKey()+"");
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String s = e.getValue();
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if(s == null){
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s = "";
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}
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streamWriter.writeAttribute(ATTR_ROLE, s);
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streamWriter.writeAttribute(ATTR_TYPE, getEntityType(e.getKey()));
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streamWriter.writeEndElement();
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}
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writeTags(streamWriter, r);
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streamWriter.writeEndElement();
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}
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streamWriter.writeEndElement(); // osm
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streamWriter.writeEndDocument();
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streamWriter.flush();
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}
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private String getEntityType(Long id){
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Entity e = entities.get(id);
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if(e instanceof Way){
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return "way";
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} else if(e instanceof Relation){
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return "relation";
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}
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return "node";
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}
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private void writeStartElement(XMLStreamWriter writer, String name, String indent) throws XMLStreamException{
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writer.writeCharacters("\n"+indent);
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writer.writeStartElement(name);
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}
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private void writeTags(XMLStreamWriter writer, Entity e) throws XMLStreamException{
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for(Entry<String, String> en : e.getTags().entrySet()){
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writeStartElement(writer, ELEM_TAG, INDENT2);
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writer.writeAttribute(ATTR_K, en.getKey());
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writer.writeAttribute(ATTR_V, en.getValue());
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writer.writeEndElement();
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}
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}
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}
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@ -2,22 +2,14 @@ package com.osmand.osm.io;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashSet;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.Stack;
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import java.util.Map.Entry;
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import javax.xml.parsers.ParserConfigurationException;
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import javax.xml.parsers.SAXParser;
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import javax.xml.parsers.SAXParserFactory;
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import javax.xml.stream.XMLStreamException;
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import javax.xml.stream.XMLStreamWriter;
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import org.xml.sax.Attributes;
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import org.xml.sax.SAXException;
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@ -27,8 +19,6 @@ import com.osmand.osm.Entity;
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import com.osmand.osm.Node;
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import com.osmand.osm.Relation;
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import com.osmand.osm.Way;
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import com.sun.org.apache.xerces.internal.impl.PropertyManager;
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import com.sun.xml.internal.stream.writers.XMLStreamWriterImpl;
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public class OsmBaseStorage extends DefaultHandler {
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@ -114,8 +104,7 @@ public class OsmBaseStorage extends DefaultHandler {
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supportedVersions.add("0.5");
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}
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private final String INDENT = " ";
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private final String INDENT2 = INDENT + INDENT;
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@Override
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public void startElement(String uri, String localName, String name, Attributes attributes) throws SAXException {
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@ -184,109 +173,8 @@ public class OsmBaseStorage extends DefaultHandler {
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}
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}
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public void saveStorage(OutputStream output, Collection<Long> interestedObjects, boolean includeLinks) throws XMLStreamException, IOException {
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PropertyManager propertyManager = new PropertyManager(PropertyManager.CONTEXT_WRITER);
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// transformer.setOutputProperty(OutputKeys.INDENT, "yes");
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// String indent = "{http://xml.apache.org/xslt}indent-amount";
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// transformer.setOutputProperty(indent, "4");
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XMLStreamWriter streamWriter = new XMLStreamWriterImpl(output, propertyManager);
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List<Node> nodes = new ArrayList<Node>();
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List<Way> ways = new ArrayList<Way>();
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List<Relation> relations = new ArrayList<Relation>();
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if(interestedObjects == null){
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interestedObjects = entities.keySet();
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}
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Stack<Long> toResolve = new Stack<Long>();
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toResolve.addAll(interestedObjects);
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while(!toResolve.isEmpty()){
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Long l = toResolve.pop();
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if(entities.get(l) instanceof Node){
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nodes.add((Node) entities.get(l));
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} else if(entities.get(l) instanceof Way){
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ways.add((Way) entities.get(l));
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toResolve.addAll(((Way)entities.get(l)).getNodeIds());
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} else if(entities.get(l) instanceof Relation){
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relations.add((Relation) entities.get(l));
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toResolve.addAll(((Relation)entities.get(l)).getMemberIds());
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}
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}
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streamWriter.writeStartDocument();
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writeStartElement(streamWriter, ELEM_OSM, "");
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streamWriter.writeAttribute(ATTR_VERSION, "0.6");
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for(Node n : nodes){
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writeStartElement(streamWriter, ELEM_NODE, INDENT);
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streamWriter.writeAttribute(ATTR_LAT, n.getLatitude()+"");
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streamWriter.writeAttribute(ATTR_LON, n.getLongitude()+"");
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streamWriter.writeAttribute(ATTR_ID, n.getId()+"");
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writeTags(streamWriter, n);
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streamWriter.writeEndElement();
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}
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for(Way w : ways){
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writeStartElement(streamWriter, ELEM_WAY, INDENT);
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streamWriter.writeAttribute(ATTR_ID, w.getId()+"");
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for(Long r : w.getNodeIds()){
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writeStartElement(streamWriter, ELEM_ND, INDENT2);
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streamWriter.writeAttribute(ATTR_REF, r+"");
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streamWriter.writeEndElement();
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}
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writeTags(streamWriter, w);
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streamWriter.writeEndElement();
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}
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for(Relation r : relations){
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writeStartElement(streamWriter, ELEM_RELATION, INDENT);
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streamWriter.writeAttribute(ATTR_ID, r.getId()+"");
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for(Entry<Long, String> e : r.getMembersMap().entrySet()){
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writeStartElement(streamWriter, ELEM_MEMBER, INDENT2);
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streamWriter.writeAttribute(ATTR_REF, e.getKey()+"");
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String s = e.getValue();
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if(s == null){
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s = "";
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}
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streamWriter.writeAttribute(ATTR_ROLE, s);
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streamWriter.writeAttribute(ATTR_TYPE, getEntityType(e.getKey()));
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streamWriter.writeEndElement();
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}
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writeTags(streamWriter, r);
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streamWriter.writeEndElement();
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}
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streamWriter.writeEndElement(); // osm
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streamWriter.writeEndDocument();
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streamWriter.flush();
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}
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private String getEntityType(Long id){
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Entity e = entities.get(id);
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if(e instanceof Way){
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return "way";
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} else if(e instanceof Relation){
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return "relation";
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}
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return "node";
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}
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private void writeStartElement(XMLStreamWriter writer, String name, String indent) throws XMLStreamException{
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writer.writeCharacters("\n"+indent);
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writer.writeStartElement(name);
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}
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private void writeTags(XMLStreamWriter writer, Entity e) throws XMLStreamException{
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for(Entry<String, String> en : e.getTags().entrySet()){
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writeStartElement(writer, ELEM_TAG, INDENT2);
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writer.writeAttribute(ATTR_K, en.getKey());
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writer.writeAttribute(ATTR_V, en.getValue());
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writer.writeEndElement();
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}
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}
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public boolean acceptEntityToLoad(Entity e){
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@ -313,4 +201,8 @@ public class OsmBaseStorage extends DefaultHandler {
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}
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public Map<Long, Entity> getRegisteredEntities() {
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return entities;
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}
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}
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@ -1,7 +1,7 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" path="src"/>
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<classpathentry excluding="**/DataExtraction*|**/MapPanel*|com/osmand/osm/io/" kind="src" path="use"/>
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<classpathentry excluding="**/DataExtraction*|**/MapPanel*|com/osmand/osm/io/OSMStorageWriter.java" kind="src" path="use"/>
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<classpathentry kind="src" path="gen"/>
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<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
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<classpathentry kind="output" path="bin"/>
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