1.1 --- a/emul/compact/src/main/java/java/io/Bits.java Tue Feb 26 14:55:55 2013 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,123 +0,0 @@
1.4 -/*
1.5 - * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
1.6 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 - *
1.8 - * This code is free software; you can redistribute it and/or modify it
1.9 - * under the terms of the GNU General Public License version 2 only, as
1.10 - * published by the Free Software Foundation. Oracle designates this
1.11 - * particular file as subject to the "Classpath" exception as provided
1.12 - * by Oracle in the LICENSE file that accompanied this code.
1.13 - *
1.14 - * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 - * version 2 for more details (a copy is included in the LICENSE file that
1.18 - * accompanied this code).
1.19 - *
1.20 - * You should have received a copy of the GNU General Public License version
1.21 - * 2 along with this work; if not, write to the Free Software Foundation,
1.22 - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 - *
1.24 - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 - * or visit www.oracle.com if you need additional information or have any
1.26 - * questions.
1.27 - */
1.28 -
1.29 -package java.io;
1.30 -
1.31 -/**
1.32 - * Utility methods for packing/unpacking primitive values in/out of byte arrays
1.33 - * using big-endian byte ordering.
1.34 - */
1.35 -class Bits {
1.36 -
1.37 - /*
1.38 - * Methods for unpacking primitive values from byte arrays starting at
1.39 - * given offsets.
1.40 - */
1.41 -
1.42 - static boolean getBoolean(byte[] b, int off) {
1.43 - return b[off] != 0;
1.44 - }
1.45 -
1.46 - static char getChar(byte[] b, int off) {
1.47 - return (char) ((b[off + 1] & 0xFF) +
1.48 - (b[off] << 8));
1.49 - }
1.50 -
1.51 - static short getShort(byte[] b, int off) {
1.52 - return (short) ((b[off + 1] & 0xFF) +
1.53 - (b[off] << 8));
1.54 - }
1.55 -
1.56 - static int getInt(byte[] b, int off) {
1.57 - return ((b[off + 3] & 0xFF) ) +
1.58 - ((b[off + 2] & 0xFF) << 8) +
1.59 - ((b[off + 1] & 0xFF) << 16) +
1.60 - ((b[off ] ) << 24);
1.61 - }
1.62 -
1.63 - static float getFloat(byte[] b, int off) {
1.64 - return Float.intBitsToFloat(getInt(b, off));
1.65 - }
1.66 -
1.67 - static long getLong(byte[] b, int off) {
1.68 - return ((b[off + 7] & 0xFFL) ) +
1.69 - ((b[off + 6] & 0xFFL) << 8) +
1.70 - ((b[off + 5] & 0xFFL) << 16) +
1.71 - ((b[off + 4] & 0xFFL) << 24) +
1.72 - ((b[off + 3] & 0xFFL) << 32) +
1.73 - ((b[off + 2] & 0xFFL) << 40) +
1.74 - ((b[off + 1] & 0xFFL) << 48) +
1.75 - (((long) b[off]) << 56);
1.76 - }
1.77 -
1.78 - static double getDouble(byte[] b, int off) {
1.79 - return Double.longBitsToDouble(getLong(b, off));
1.80 - }
1.81 -
1.82 - /*
1.83 - * Methods for packing primitive values into byte arrays starting at given
1.84 - * offsets.
1.85 - */
1.86 -
1.87 - static void putBoolean(byte[] b, int off, boolean val) {
1.88 - b[off] = (byte) (val ? 1 : 0);
1.89 - }
1.90 -
1.91 - static void putChar(byte[] b, int off, char val) {
1.92 - b[off + 1] = (byte) (val );
1.93 - b[off ] = (byte) (val >>> 8);
1.94 - }
1.95 -
1.96 - static void putShort(byte[] b, int off, short val) {
1.97 - b[off + 1] = (byte) (val );
1.98 - b[off ] = (byte) (val >>> 8);
1.99 - }
1.100 -
1.101 - static void putInt(byte[] b, int off, int val) {
1.102 - b[off + 3] = (byte) (val );
1.103 - b[off + 2] = (byte) (val >>> 8);
1.104 - b[off + 1] = (byte) (val >>> 16);
1.105 - b[off ] = (byte) (val >>> 24);
1.106 - }
1.107 -
1.108 - static void putFloat(byte[] b, int off, float val) {
1.109 - putInt(b, off, Float.floatToIntBits(val));
1.110 - }
1.111 -
1.112 - static void putLong(byte[] b, int off, long val) {
1.113 - b[off + 7] = (byte) (val );
1.114 - b[off + 6] = (byte) (val >>> 8);
1.115 - b[off + 5] = (byte) (val >>> 16);
1.116 - b[off + 4] = (byte) (val >>> 24);
1.117 - b[off + 3] = (byte) (val >>> 32);
1.118 - b[off + 2] = (byte) (val >>> 40);
1.119 - b[off + 1] = (byte) (val >>> 48);
1.120 - b[off ] = (byte) (val >>> 56);
1.121 - }
1.122 -
1.123 - static void putDouble(byte[] b, int off, double val) {
1.124 - putLong(b, off, Double.doubleToLongBits(val));
1.125 - }
1.126 -}