82 lines
2.6 KiB
Java
82 lines
2.6 KiB
Java
/* GENERATED SOURCE. DO NOT MODIFY. */
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/*
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* Copyright (C) 2014 Square, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.okhttp.okio;
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import java.nio.charset.Charset;
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final class Util {
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/** A cheap and type-safe constant for the UTF-8 Charset. */
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public static final Charset UTF_8 = Charset.forName("UTF-8");
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private Util() {
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}
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public static void checkOffsetAndCount(long size, long offset, long byteCount) {
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if ((offset | byteCount) < 0 || offset > size || size - offset < byteCount) {
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throw new ArrayIndexOutOfBoundsException(
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String.format("size=%s offset=%s byteCount=%s", size, offset, byteCount));
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}
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}
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public static short reverseBytesShort(short s) {
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int i = s & 0xffff;
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int reversed = (i & 0xff00) >>> 8
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| (i & 0x00ff) << 8;
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return (short) reversed;
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}
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public static int reverseBytesInt(int i) {
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return (i & 0xff000000) >>> 24
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| (i & 0x00ff0000) >>> 8
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| (i & 0x0000ff00) << 8
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| (i & 0x000000ff) << 24;
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}
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public static long reverseBytesLong(long v) {
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return (v & 0xff00000000000000L) >>> 56
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| (v & 0x00ff000000000000L) >>> 40
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| (v & 0x0000ff0000000000L) >>> 24
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| (v & 0x000000ff00000000L) >>> 8
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| (v & 0x00000000ff000000L) << 8
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| (v & 0x0000000000ff0000L) << 24
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| (v & 0x000000000000ff00L) << 40
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| (v & 0x00000000000000ffL) << 56;
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}
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/**
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* Throws {@code t}, even if the declared throws clause doesn't permit it.
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* This is a terrible – but terribly convenient – hack that makes it easy to
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* catch and rethrow exceptions after cleanup. See Java Puzzlers #43.
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*/
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public static void sneakyRethrow(Throwable t) {
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Util.<Error>sneakyThrow2(t);
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}
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@SuppressWarnings("unchecked")
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private static <T extends Throwable> void sneakyThrow2(Throwable t) throws T {
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throw (T) t;
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}
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public static boolean arrayRangeEquals(
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byte[] a, int aOffset, byte[] b, int bOffset, int byteCount) {
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for (int i = 0; i < byteCount; i++) {
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if (a[i + aOffset] != b[i + bOffset]) return false;
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}
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return true;
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}
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}
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