| /* |
| * Copyright 2019 Google Inc. All rights reserved. |
| * |
| * 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.google.flatbuffers; |
| |
| import static com.google.flatbuffers.Constants.*; |
| import java.nio.ByteBuffer; |
| import java.nio.ByteOrder; |
| import java.nio.charset.Charset; |
| |
| /** |
| * Helper type for accessing vector of signed or unsigned 8-bit values. |
| */ |
| public final class ByteVector extends BaseVector { |
| /** |
| * Assigns vector access object to vector data. |
| * |
| * @param vector Start data of a vector. |
| * @param bb Table's ByteBuffer. |
| * @return Returns current vector access object assigned to vector data whose offset is stored at |
| * `vector`. |
| */ |
| public ByteVector __assign(int vector, ByteBuffer bb) { |
| __reset(vector, Constants.SIZEOF_BYTE, bb); return this; |
| } |
| |
| /** |
| * Reads the byte at the given index. |
| * |
| * @param j The index from which the byte will be read. |
| * @return the 8-bit value at the given index. |
| */ |
| public byte get(int j) { |
| return bb.get(__element(j)); |
| } |
| |
| /** |
| * Reads the byte at the given index, zero-extends it to type int, and returns the result, |
| * which is therefore in the range 0 through 255. |
| * |
| * @param j The index from which the byte will be read. |
| * @return the unsigned 8-bit at the given index. |
| */ |
| public int getAsUnsigned(int j) { |
| return (int) get(j) & 0xFF; |
| } |
| } |