import java.net.UnknownHostException;

import com.mongodb.DB;
import com.mongodb.DBAddress;
import com.mongodb.DBObject;
import com.mongodb.Mongo;
import com.mongodb.gridfs.GridFS;
import com.mongodb.gridfs.GridFSInputFile;


public class Main {
	
	private static GridFS gridFs;
	
	private static void createFile(String filename, byte[] bytes) {
		GridFSInputFile newFile = gridFs.createFile(bytes);
		newFile.setFilename(filename);
		newFile.save();
	}

	public static void main(String[] args) throws UnknownHostException {
		DB db = Mongo.connect(new DBAddress("localhost", "mydb"));
		gridFs = new GridFS(db, "myBucket");
		
		// create some test files
		createFile("file1", "data1".getBytes());
		createFile("file2", "data2".getBytes());
		
//		gridFs.remove((String)null);	// nothing happens
//		gridFs.remove((ObjectId)null);	// nothing happens
		gridFs.remove((DBObject)null);	// all files from bucket are removed
		
	}
	
}