1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.apksig.internal.util; 18 19 import java.nio.ByteBuffer; 20 21 public final class ByteBufferUtils { ByteBufferUtils()22 private ByteBufferUtils() {} 23 24 /** 25 * Returns the remaining data of the provided buffer as a new byte array and advances the 26 * position of the buffer to the buffer's limit. 27 */ toByteArray(ByteBuffer buf)28 public static byte[] toByteArray(ByteBuffer buf) { 29 byte[] result = new byte[buf.remaining()]; 30 buf.get(result); 31 return result; 32 } 33 } 34