| /* |
| * Copyright (C) 2011, Google Inc. |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.eclipse.jgit.storage.dht; |
| |
| import org.eclipse.jgit.util.RawParseUtils; |
| |
| final class KeyUtils { |
| static short parse16(byte[] src, int pos) { |
| return (short) RawParseUtils.parseHexInt16(src, pos); |
| } |
| |
| static int parse32(byte[] src, int pos) { |
| return RawParseUtils.parseHexInt32(src, pos); |
| } |
| |
| static void format16(byte[] dst, int p, short w) { |
| int o = p + 3; |
| while (o >= p && w != 0) { |
| dst[o--] = hexbyte[w & 0xf]; |
| w >>>= 4; |
| } |
| while (o >= p) |
| dst[o--] = '0'; |
| } |
| |
| static void format32(byte[] dst, int p, int w) { |
| int o = p + 7; |
| while (o >= p && w != 0) { |
| dst[o--] = hexbyte[w & 0xf]; |
| w >>>= 4; |
| } |
| while (o >= p) |
| dst[o--] = '0'; |
| } |
| |
| private static final byte[] hexbyte = { '0', '1', '2', '3', '4', '5', '6', |
| '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' }; |
| |
| private KeyUtils() { |
| // Do not create instances of this class. |
| } |
| } |