1 /* 2 * Copyright 2014 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 org.conscrypt; 18 19 /** 20 * Compatibility utility for Arrays. 21 */ 22 final class ArrayUtils { 23 private ArrayUtils() {} 24 25 /** 26 * Checks that the range described by {@code offset} and {@code count} 27 * doesn't exceed {@code arrayLength}. 28 */ 29 static void checkOffsetAndCount(int arrayLength, int offset, int count) { 30 if ((offset | count) < 0 || offset > arrayLength || arrayLength - offset < count) { 31 throw new ArrayIndexOutOfBoundsException("length=" + arrayLength + "; regionStart=" 32 + offset + "; regionLength=" + count); 33 } 34 } 35 } 36
