src/java.base/share/classes/sun/nio/cs/StringUTF16.java
author martin
Wed, 28 Mar 2018 21:14:06 -0700
changeset 49443 e5679a6661d6
parent 47216 71c04702a3d5
permissions -rw-r--r--
8200310: Avoid charset lookup machinery in java.nio.charset.StandardCharsets Reviewed-by: sherman, ulfzibis
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/*
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 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package sun.nio.cs;
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import static jdk.internal.misc.Unsafe.ARRAY_BYTE_BASE_OFFSET;
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import static jdk.internal.misc.Unsafe.ARRAY_BYTE_INDEX_SCALE;
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class StringUTF16 {
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    public static char getChar(byte[] val, int index) {
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        return unsafe.getChar(val,
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                              ARRAY_BYTE_BASE_OFFSET + ARRAY_BYTE_INDEX_SCALE * index * 2L);
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    }
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    private static final jdk.internal.misc.Unsafe unsafe = jdk.internal.misc.Unsafe.getUnsafe();
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}