// Copyright 2009 Google Inc. All Rights Reserved.
package com.google.android.apps.mytracks.io.gdata.maps;
import com.google.wireless.gdata.data.Entry;
import com.google.wireless.gdata.data.StringUtils;
import android.graphics.Color;
import android.util.Log;
import java.io.IOException;
import java.io.StringWriter;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlPullParserFactory;
import org.xmlpull.v1.XmlSerializer;
/**
* Converter from GData objects to Maps objects.
*/
public class MapsGDataConverter {
private final XmlSerializer xmlSerializer;
public MapsGDataConverter() throws XmlPullParserException {
xmlSerializer = XmlPullParserFactory.newInstance().newSerializer();
}
public static MapsMapMetadata getMapMetadataForEntry(
MapFeatureEntry entry) {
MapsMapMetadata metadata = new MapsMapMetadata();
if ("public".equals(entry.getPrivacy())) {
metadata.setSearchable(true);
} else {
metadata.setSearchable(false);
}
metadata.setTitle(entry.getTitle());
metadata.setDescription(entry.getSummary());
String editUri = entry.getEditUri();
if (editUri != null) {
metadata.setGDataEditUri(editUri);
}
return metadata;
}
public static String getMapidForEntry(Entry entry) {
return MapsClient.getMapIdFromMapEntryId(entry.getId());
}
public static Entry getMapEntryForMetadata(MapsMapMetadata metadata) {
MapFeatureEntry entry = new MapFeatureEntry();
entry.setEditUri(metadata.getGDataEditUri());
entry.setTitle(metadata.getTitle());
entry.setSummary(metadata.getDescription());
entry.setPrivacy(metadata.getSearchable() ? "public" : "unlisted");
entry.setAuthor("android");
entry.setEmail("nobody@google.com");
return entry;
}
public MapFeatureEntry getEntryForFeature(MapsFeature feature) {
MapFeatureEntry entry = new MapFeatureEntry();
entry.setTitle(feature.getTitle());
entry.setAuthor("android");
entry.setEmail("nobody@google.com");
entry.setCategoryScheme("http://schemas.google.com/g/2005#kind");
entry.setCategory("http://schemas.google.com/g/2008#mapfeature");
entry.setEditUri("");
if (!StringUtils.isEmpty(feature.getAndroidId())) {
entry.setAttribute("_androidId", feature.getAndroidId());
}
try {
StringWriter writer = new StringWriter();
xmlSerializer.setOutput(writer);
xmlSerializer.startTag(null, "Placemark");
xmlSerializer.attribute(null, "xmlns", "http://earth.google.com/kml/2.2");
xmlSerializer.startTag(null, "Style");
if (feature.getType() == MapsFeature.MARKER) {
xmlSerializer.startTag(null, "IconStyle");
xmlSerializer.startTag(null, "Icon");
xmlSerializer.startTag(null, "href");
xmlSerializer.text(feature.getIconUrl());
xmlSerializer.endTag(null, "href");
xmlSerializer.endTag(null, "Icon");
xmlSerializer.endTag(null, "IconStyle");
} else {
xmlSerializer.startTag(null, "LineStyle");
xmlSerializer.startTag(null, "color");
int color = feature.getColor();
// Reverse the color because KML is ABGR and Android is ARGB
xmlSerializer.text(Integer.toHexString(
Color.argb(Color.alpha(color), Color.blue(color),
Color.green(color), Color.red(color))));
xmlSerializer.endTag(null, "color");
xmlSerializer.startTag(null, "width");
xmlSerializer.text(Integer.toString(feature.getLineWidth()));
xmlSerializer.endTag(null, "width");
xmlSerializer.endTag(null, "LineStyle");
if (feature.getType() == MapsFeature.SHAPE) {
xmlSerializer.startTag(null, "PolyStyle");
xmlSerializer.startTag(null, "color");
int fcolor = feature.getFillColor();
// Reverse the color because KML is ABGR and Android is ARGB
xmlSerializer.text(Integer.toHexString(Color.argb(Color.alpha(fcolor),
Color.blue(fcolor), Color.green(fcolor), Color.red(fcolor))));
xmlSerializer.endTag(null, "color");
xmlSerializer.startTag(null, "fill");
xmlSerializer.text("1");
xmlSerializer.endTag(null, "fill");
xmlSerializer.startTag(null, "outline");
xmlSerializer.text("1");
xmlSerializer.endTag(null, "outline");
xmlSerializer.endTag(null, "PolyStyle");
}
}
xmlSerializer.endTag(null, "Style");
xmlSerializer.startTag(null, "name");
xmlSerializer.text(feature.getTitle());
xmlSerializer.endTag(null, "name");
xmlSerializer.startTag(null, "description");
xmlSerializer.cdsect(feature.getDescription());
xmlSerializer.endTag(null, "description");
StringBuilder pointBuilder = new StringBuilder();
for (int i = 0; i < feature.getPointCount(); ++i) {
if (i > 0) {
pointBuilder.append('\n');
}
pointBuilder.append(feature.getPoint(i).getLongitude());
pointBuilder.append(',');
pointBuilder.append(feature.getPoint(i).getLatitude());
pointBuilder.append(",0.000000");
}
String pointString = pointBuilder.toString();
if (feature.getType() == MapsFeature.MARKER) {
xmlSerializer.startTag(null, "Point");
xmlSerializer.startTag(null, "coordinates");
xmlSerializer.text(pointString);
xmlSerializer.endTag(null, "coordinates");
xmlSerializer.endTag(null, "Point");
} else if (feature.getType() == MapsFeature.LINE) {
xmlSerializer.startTag(null, "LineString");
xmlSerializer.startTag(null, "tessellate");
xmlSerializer.text("1");
xmlSerializer.endTag(null, "tessellate");
xmlSerializer.startTag(null, "coordinates");
xmlSerializer.text(pointString);
xmlSerializer.endTag(null, "coordinates");
xmlSerializer.endTag(null, "LineString");
} else {
xmlSerializer.startTag(null, "Polygon");
xmlSerializer.startTag(null, "outerBoundaryIs");
xmlSerializer.startTag(null, "LinearRing");
xmlSerializer.startTag(null, "tessellate");
xmlSerializer.text("1");
xmlSerializer.endTag(null, "tessellate");
xmlSerializer.startTag(null, "coordinates");
xmlSerializer.text(pointString + "\n"
+ Double.toString(feature.getPoint(0).getLongitude())
+ ","
+ Double.toString(feature.getPoint(0).getLatitude())
+ ",0.000000");
xmlSerializer.endTag(null, "coordinates");
xmlSerializer.endTag(null, "LinearRing");
xmlSerializer.endTag(null, "outerBoundaryIs");
xmlSerializer.endTag(null, "Polygon");
}
xmlSerializer.endTag(null, "Placemark");
xmlSerializer.flush();
entry.setContent(writer.toString());
Log.d("My Google Maps", "Edit URI: " + entry.getEditUri());
} catch (IOException e) {
e.printStackTrace();
}
return entry;
}
}