1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package java.lang; 27 28 /** 29 * A helper class to get access to package-private members 30 */ 31 public class Helper { 32 @jdk.internal.vm.annotation.ForceInline 33 public static boolean StringCodingHasNegatives(byte[] ba, int off, int len) { 34 return StringCoding.hasNegatives(ba, off, len); 35 } 36 37 @jdk.internal.vm.annotation.ForceInline 38 public static byte[] compressByte(byte[] src, int srcOff, int dstSize, int dstOff, int len) { 39 byte[] dst = new byte[dstSize]; 40 StringUTF16.compress(src, srcOff, dst, dstOff, len); 41 return dst; 42 } 43 44 @jdk.internal.vm.annotation.ForceInline 45 public static byte[] compressChar(char[] src, int srcOff, int dstSize, int dstOff, int len) { 46 byte[] dst = new byte[dstSize]; 47 StringUTF16.compress(src, srcOff, dst, dstOff, len); 48 return dst; 49 } 50 51 @jdk.internal.vm.annotation.ForceInline 52 public static byte[] inflateByte(byte[] src, int srcOff, int dstSize, int dstOff, int len) { 53 byte[] dst = new byte[dstSize]; 54 StringLatin1.inflate(src, srcOff, dst, dstOff, len); 55 return dst; 56 } 57 58 @jdk.internal.vm.annotation.ForceInline 59 public static char[] inflateChar(byte[] src, int srcOff, int dstSize, int dstOff, int len) { 60 char[] dst = new char[dstSize]; 61 StringLatin1.inflate(src, srcOff, dst, dstOff, len); 62 return dst; 63 } 64 65 @jdk.internal.vm.annotation.ForceInline 66 public static byte[] toBytes(char[] value, int off, int len) { 67 return StringUTF16.toBytes(value, off, len); 68 } 69 70 @jdk.internal.vm.annotation.ForceInline 71 public static char[] getChars(byte[] value, int srcBegin, int srcEnd, int dstSize, int dstBegin) { 72 char[] dst = new char[dstSize]; 73 StringUTF16.getChars(value, srcBegin, srcEnd, dst, dstBegin); 74 return dst; 75 } 76 }