| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| package com.google.protobuf; |
| |
| import com.google.protobuf.Internal.BooleanList; |
| import com.google.protobuf.Internal.DoubleList; |
| import com.google.protobuf.Internal.FloatList; |
| import com.google.protobuf.Internal.IntList; |
| import com.google.protobuf.Internal.LongList; |
| import com.google.protobuf.Internal.ProtobufList; |
| |
| /** Utility class for construction of lists that extend {@link ProtobufList}. */ |
| @ExperimentalApi |
| @CheckReturnValue |
| final class ProtobufLists { |
| private ProtobufLists() {} |
| |
| public static <E> ProtobufList<E> emptyProtobufList() { |
| return ProtobufArrayList.emptyList(); |
| } |
| |
| public static <E> ProtobufList<E> mutableCopy(ProtobufList<E> list) { |
| int size = list.size(); |
| return list.mutableCopyWithCapacity( |
| size == 0 ? AbstractProtobufList.DEFAULT_CAPACITY : size * 2); |
| } |
| |
| public static BooleanList emptyBooleanList() { |
| return BooleanArrayList.emptyList(); |
| } |
| |
| public static BooleanList newBooleanList() { |
| return new BooleanArrayList(); |
| } |
| |
| public static IntList emptyIntList() { |
| return IntArrayList.emptyList(); |
| } |
| |
| public static IntList newIntList() { |
| return new IntArrayList(); |
| } |
| |
| public static LongList emptyLongList() { |
| return LongArrayList.emptyList(); |
| } |
| |
| public static LongList newLongList() { |
| return new LongArrayList(); |
| } |
| |
| public static FloatList emptyFloatList() { |
| return FloatArrayList.emptyList(); |
| } |
| |
| public static FloatList newFloatList() { |
| return new FloatArrayList(); |
| } |
| |
| public static DoubleList emptyDoubleList() { |
| return DoubleArrayList.emptyList(); |
| } |
| |
| public static DoubleList newDoubleList() { |
| return new DoubleArrayList(); |
| } |
| } |