/* * Copyright (c) 2008-2014 MongoDB, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.mongodb.operation; import org.bson.BsonDocument; import org.bson.BsonDocumentWrapper; import java.util.List; final class BsonDocumentWrapperHelper { @SuppressWarnings("unchecked") static <T> List<T> toList(final BsonDocument result, final String fieldContainingWrappedArray) { return ((BsonArrayWrapper<T>) result.getArray(fieldContainingWrappedArray)).getWrappedArray(); } @SuppressWarnings("unchecked") static <T> T toDocument(final BsonDocument document) { if (document == null) { return null; } return ((BsonDocumentWrapper<T>) document).getWrappedDocument(); } private BsonDocumentWrapperHelper() { } }