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package com.mapbox.mapboxsdk.fs;
import android.content.Context;
import com.mapbox.mapboxsdk.offline.OfflineManager;
import java.lang.ref.WeakReference;
/**
* Holds a central reference to the core's DefaultFileSource for as long as
* there are active mapviews / offline managers
*/
public class FileSource {
// Use weak reference to avoid blocking GC on this reference.
// Should only block when mapview / Offline manager instances
// are alive
private static WeakReference<FileSource> INSTANCE;
public static synchronized FileSource getInstance(Context context) {
if (INSTANCE == null || INSTANCE.get() == null) {
String cachePath = OfflineManager.getDatabasePath(context);
String apkPath = context.getPackageCodePath();
INSTANCE = new WeakReference<>(new FileSource(cachePath, apkPath));
}
return INSTANCE.get();
}
private long nativePtr;
private FileSource(String cachePath, String apkPath) {
initialize(cachePath, apkPath);
}
private native void initialize(String cachePath, String apkPath);
@Override
protected native void finalize() throws Throwable;
}
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