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| 1 | /* | ||
| 2 | * Copyright (c) 2000, 2002, 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.nio; | ||
| 27 | |||
| 28 | |||
| 29 | /** | ||
| 30 | * A typesafe enumeration for byte orders. | ||
| 31 | * | ||
| 32 | * @author Mark Reinhold | ||
| 33 | * @author JSR-51 Expert Group | ||
| 34 | * @since 1.4 | ||
| 35 | */ | ||
| 36 | |||
| 37 | public final class ByteOrder { | ||
| 38 | |||
| 39 | private String name; | ||
| 40 | |||
| 41 | private ByteOrder(String name) { | ||
| 42 | this.name = name; | ||
| 43 | } | ||
| 44 | |||
| 45 | /** | ||
| 46 | * Constant denoting big-endian byte order. In this order, the bytes of a | ||
| 47 | * multibyte value are ordered from most significant to least significant. | ||
| 48 | * </p> | ||
| 49 | */ | ||
| 50 | public static final ByteOrder BIG_ENDIAN | ||
| 51 | = new ByteOrder("BIG_ENDIAN"); | ||
| 52 | |||
| 53 | /** | ||
| 54 | * Constant denoting little-endian byte order. In this order, the bytes of | ||
| 55 | * a multibyte value are ordered from least significant to most | ||
| 56 | * significant. </p> | ||
| 57 | */ | ||
| 58 | public static final ByteOrder LITTLE_ENDIAN | ||
| 59 | = new ByteOrder("LITTLE_ENDIAN"); | ||
| 60 | |||
| 61 | /** | ||
| 62 | * Retrieves the native byte order of the underlying platform. | ||
| 63 | * | ||
| 64 | * <p> This method is defined so that performance-sensitive Java code can | ||
| 65 | * allocate direct buffers with the same byte order as the hardware. | ||
| 66 | * Native code libraries are often more efficient when such buffers are | ||
| 67 | * used. </p> | ||
| 68 | * | ||
| 69 | * @return The native byte order of the hardware upon which this Java | ||
| 70 | * virtual machine is running | ||
| 71 | */ | ||
| 72 | public static ByteOrder nativeOrder() { | ||
| 73 | return Bits.byteOrder(); | ||
| 74 | } | ||
| 75 | |||
| 76 | /** | ||
| 77 | * Constructs a string describing this object. | ||
| 78 | * | ||
| 79 | * <p> This method returns the string <tt>"BIG_ENDIAN"</tt> for {@link | ||
| 80 | * #BIG_ENDIAN} and <tt>"LITTLE_ENDIAN"</tt> for {@link #LITTLE_ENDIAN}. | ||
| 81 | * </p> | ||
| 82 | * | ||
| 83 | * @return The specified string | ||
| 84 | */ | ||
| 85 | public String toString() { | ||
| 86 | return name; | ||
| 87 | } | ||
| 88 | |||
| 89 | } | ||