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package com.mapbox.mapboxsdk.style.sources;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.annotation.Size;
import android.support.annotation.UiThread;
import com.mapbox.geojson.Feature;
import com.mapbox.mapboxsdk.style.layers.Filter;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
* Vector source, allows the use of vector tiles.
*
* @see <a href="https://www.mapbox.com/mapbox-gl-style-spec/#sources-vector">the style specification</a>
*/
@UiThread
public class VectorSource extends Source {
/**
* Internal use
*
* @param nativePtr - pointer to native peer
*/
public VectorSource(long nativePtr) {
super(nativePtr);
}
/**
* Create a vector source from a remote url pointing to a TileJSON resource
*
* @param id the source id
* @param url the TileJSON resource url
*/
public VectorSource(String id, URL url) {
this(id, url.toExternalForm());
}
/**
* Create a vector source from a remote url
*
* @param id the source id
* @param url the url
*/
public VectorSource(String id, String url) {
initialize(id, url);
}
/**
* Create a vector source from a tilset
*
* @param id the source id
* @param tileSet the tileset
*/
public VectorSource(String id, TileSet tileSet) {
initialize(id, tileSet.toValueObject());
}
/**
* Queries the source for features.
*
* @param sourceLayerIds the source layer identifiers. At least one must be specified.
* @param filter an optional filter statement to filter the returned Features
* @return the features
*/
@NonNull
public List<Feature> querySourceFeatures(@Size(min = 1) String[] sourceLayerIds,
@Nullable Filter.Statement filter) {
Feature[] features = querySourceFeatures(
sourceLayerIds,
filter != null ? filter.toArray() : null);
return features != null ? Arrays.asList(features) : new ArrayList<Feature>();
}
/**
* @return The url or null
*/
@Nullable
public String getUrl() {
return nativeGetUrl();
}
protected native void initialize(String layerId, Object payload);
@Override
protected native void finalize() throws Throwable;
protected native String nativeGetUrl();
private native Feature[] querySourceFeatures(String[] sourceLayerId,
Object[] filter);
}
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