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The Apache PDFBox library is an open source Java tool for working with PDF documents.
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.pdfbox.persistence.util;
import org.apache.pdfbox.util.StringUtil;
/**
* helper type for faster mapping of bytes to their hex equivalent.
*
* @author Michael Traut
* @version $Revision: 1.4 $
*/
public final class COSHEXTable
{
private COSHEXTable()
{
}
/**
* ASCII byte values for the hex strings.
*/
public static final byte[][] TABLE =
{
StringUtil.getBytes("00"),
StringUtil.getBytes("01"),
StringUtil.getBytes("02"),
StringUtil.getBytes("03"),
StringUtil.getBytes("04"),
StringUtil.getBytes("05"),
StringUtil.getBytes("06"),
StringUtil.getBytes("07"),
StringUtil.getBytes("08"),
StringUtil.getBytes("09"),
StringUtil.getBytes("0A"),
StringUtil.getBytes("0B"),
StringUtil.getBytes("0C"),
StringUtil.getBytes("0D"),
StringUtil.getBytes("0E"),
StringUtil.getBytes("0F"),
StringUtil.getBytes("10"),
StringUtil.getBytes("11"),
StringUtil.getBytes("12"),
StringUtil.getBytes("13"),
StringUtil.getBytes("14"),
StringUtil.getBytes("15"),
StringUtil.getBytes("16"),
StringUtil.getBytes("17"),
StringUtil.getBytes("18"),
StringUtil.getBytes("19"),
StringUtil.getBytes("1A"),
StringUtil.getBytes("1B"),
StringUtil.getBytes("1C"),
StringUtil.getBytes("1D"),
StringUtil.getBytes("1E"),
StringUtil.getBytes("1F"),
StringUtil.getBytes("20"),
StringUtil.getBytes("21"),
StringUtil.getBytes("22"),
StringUtil.getBytes("23"),
StringUtil.getBytes("24"),
StringUtil.getBytes("25"),
StringUtil.getBytes("26"),
StringUtil.getBytes("27"),
StringUtil.getBytes("28"),
StringUtil.getBytes("29"),
StringUtil.getBytes("2A"),
StringUtil.getBytes("2B"),
StringUtil.getBytes("2C"),
StringUtil.getBytes("2D"),
StringUtil.getBytes("2E"),
StringUtil.getBytes("2F"),
StringUtil.getBytes("30"),
StringUtil.getBytes("31"),
StringUtil.getBytes("32"),
StringUtil.getBytes("33"),
StringUtil.getBytes("34"),
StringUtil.getBytes("35"),
StringUtil.getBytes("36"),
StringUtil.getBytes("37"),
StringUtil.getBytes("38"),
StringUtil.getBytes("39"),
StringUtil.getBytes("3A"),
StringUtil.getBytes("3B"),
StringUtil.getBytes("3C"),
StringUtil.getBytes("3D"),
StringUtil.getBytes("3E"),
StringUtil.getBytes("3F"),
StringUtil.getBytes("40"),
StringUtil.getBytes("41"),
StringUtil.getBytes("42"),
StringUtil.getBytes("43"),
StringUtil.getBytes("44"),
StringUtil.getBytes("45"),
StringUtil.getBytes("46"),
StringUtil.getBytes("47"),
StringUtil.getBytes("48"),
StringUtil.getBytes("49"),
StringUtil.getBytes("4A"),
StringUtil.getBytes("4B"),
StringUtil.getBytes("4C"),
StringUtil.getBytes("4D"),
StringUtil.getBytes("4E"),
StringUtil.getBytes("4F"),
StringUtil.getBytes("50"),
StringUtil.getBytes("51"),
StringUtil.getBytes("52"),
StringUtil.getBytes("53"),
StringUtil.getBytes("54"),
StringUtil.getBytes("55"),
StringUtil.getBytes("56"),
StringUtil.getBytes("57"),
StringUtil.getBytes("58"),
StringUtil.getBytes("59"),
StringUtil.getBytes("5A"),
StringUtil.getBytes("5B"),
StringUtil.getBytes("5C"),
StringUtil.getBytes("5D"),
StringUtil.getBytes("5E"),
StringUtil.getBytes("5F"),
StringUtil.getBytes("60"),
StringUtil.getBytes("61"),
StringUtil.getBytes("62"),
StringUtil.getBytes("63"),
StringUtil.getBytes("64"),
StringUtil.getBytes("65"),
StringUtil.getBytes("66"),
StringUtil.getBytes("67"),
StringUtil.getBytes("68"),
StringUtil.getBytes("69"),
StringUtil.getBytes("6A"),
StringUtil.getBytes("6B"),
StringUtil.getBytes("6C"),
StringUtil.getBytes("6D"),
StringUtil.getBytes("6E"),
StringUtil.getBytes("6F"),
StringUtil.getBytes("70"),
StringUtil.getBytes("71"),
StringUtil.getBytes("72"),
StringUtil.getBytes("73"),
StringUtil.getBytes("74"),
StringUtil.getBytes("75"),
StringUtil.getBytes("76"),
StringUtil.getBytes("77"),
StringUtil.getBytes("78"),
StringUtil.getBytes("79"),
StringUtil.getBytes("7A"),
StringUtil.getBytes("7B"),
StringUtil.getBytes("7C"),
StringUtil.getBytes("7D"),
StringUtil.getBytes("7E"),
StringUtil.getBytes("7F"),
StringUtil.getBytes("80"),
StringUtil.getBytes("81"),
StringUtil.getBytes("82"),
StringUtil.getBytes("83"),
StringUtil.getBytes("84"),
StringUtil.getBytes("85"),
StringUtil.getBytes("86"),
StringUtil.getBytes("87"),
StringUtil.getBytes("88"),
StringUtil.getBytes("89"),
StringUtil.getBytes("8A"),
StringUtil.getBytes("8B"),
StringUtil.getBytes("8C"),
StringUtil.getBytes("8D"),
StringUtil.getBytes("8E"),
StringUtil.getBytes("8F"),
StringUtil.getBytes("90"),
StringUtil.getBytes("91"),
StringUtil.getBytes("92"),
StringUtil.getBytes("93"),
StringUtil.getBytes("94"),
StringUtil.getBytes("95"),
StringUtil.getBytes("96"),
StringUtil.getBytes("97"),
StringUtil.getBytes("98"),
StringUtil.getBytes("99"),
StringUtil.getBytes("9A"),
StringUtil.getBytes("9B"),
StringUtil.getBytes("9C"),
StringUtil.getBytes("9D"),
StringUtil.getBytes("9E"),
StringUtil.getBytes("9F"),
StringUtil.getBytes("A0"),
StringUtil.getBytes("A1"),
StringUtil.getBytes("A2"),
StringUtil.getBytes("A3"),
StringUtil.getBytes("A4"),
StringUtil.getBytes("A5"),
StringUtil.getBytes("A6"),
StringUtil.getBytes("A7"),
StringUtil.getBytes("A8"),
StringUtil.getBytes("A9"),
StringUtil.getBytes("AA"),
StringUtil.getBytes("AB"),
StringUtil.getBytes("AC"),
StringUtil.getBytes("AD"),
StringUtil.getBytes("AE"),
StringUtil.getBytes("AF"),
StringUtil.getBytes("B0"),
StringUtil.getBytes("B1"),
StringUtil.getBytes("B2"),
StringUtil.getBytes("B3"),
StringUtil.getBytes("B4"),
StringUtil.getBytes("B5"),
StringUtil.getBytes("B6"),
StringUtil.getBytes("B7"),
StringUtil.getBytes("B8"),
StringUtil.getBytes("B9"),
StringUtil.getBytes("BA"),
StringUtil.getBytes("BB"),
StringUtil.getBytes("BC"),
StringUtil.getBytes("BD"),
StringUtil.getBytes("BE"),
StringUtil.getBytes("BF"),
StringUtil.getBytes("C0"),
StringUtil.getBytes("C1"),
StringUtil.getBytes("C2"),
StringUtil.getBytes("C3"),
StringUtil.getBytes("C4"),
StringUtil.getBytes("C5"),
StringUtil.getBytes("C6"),
StringUtil.getBytes("C7"),
StringUtil.getBytes("C8"),
StringUtil.getBytes("C9"),
StringUtil.getBytes("CA"),
StringUtil.getBytes("CB"),
StringUtil.getBytes("CC"),
StringUtil.getBytes("CD"),
StringUtil.getBytes("CE"),
StringUtil.getBytes("CF"),
StringUtil.getBytes("D0"),
StringUtil.getBytes("D1"),
StringUtil.getBytes("D2"),
StringUtil.getBytes("D3"),
StringUtil.getBytes("D4"),
StringUtil.getBytes("D5"),
StringUtil.getBytes("D6"),
StringUtil.getBytes("D7"),
StringUtil.getBytes("D8"),
StringUtil.getBytes("D9"),
StringUtil.getBytes("DA"),
StringUtil.getBytes("DB"),
StringUtil.getBytes("DC"),
StringUtil.getBytes("DD"),
StringUtil.getBytes("DE"),
StringUtil.getBytes("DF"),
StringUtil.getBytes("E0"),
StringUtil.getBytes("E1"),
StringUtil.getBytes("E2"),
StringUtil.getBytes("E3"),
StringUtil.getBytes("E4"),
StringUtil.getBytes("E5"),
StringUtil.getBytes("E6"),
StringUtil.getBytes("E7"),
StringUtil.getBytes("E8"),
StringUtil.getBytes("E9"),
StringUtil.getBytes("EA"),
StringUtil.getBytes("EB"),
StringUtil.getBytes("EC"),
StringUtil.getBytes("ED"),
StringUtil.getBytes("EE"),
StringUtil.getBytes("EF"),
StringUtil.getBytes("F0"),
StringUtil.getBytes("F1"),
StringUtil.getBytes("F2"),
StringUtil.getBytes("F3"),
StringUtil.getBytes("F4"),
StringUtil.getBytes("F5"),
StringUtil.getBytes("F6"),
StringUtil.getBytes("F7"),
StringUtil.getBytes("F8"),
StringUtil.getBytes("F9"),
StringUtil.getBytes("FA"),
StringUtil.getBytes("FB"),
StringUtil.getBytes("FC"),
StringUtil.getBytes("FD"),
StringUtil.getBytes("FE"),
StringUtil.getBytes("FF")
};
/**
* ASCII byte values for the hex strings.
*/
public static final String[] HEX_TABLE =
{
"00",
"01",
"02",
"03",
"04",
"05",
"06",
"07",
"08",
"09",
"0A",
"0B",
"0C",
"0D",
"0E",
"0F",
"10",
"11",
"12",
"13",
"14",
"15",
"16",
"17",
"18",
"19",
"1A",
"1B",
"1C",
"1D",
"1E",
"1F",
"20",
"21",
"22",
"23",
"24",
"25",
"26",
"27",
"28",
"29",
"2A",
"2B",
"2C",
"2D",
"2E",
"2F",
"30",
"31",
"32",
"33",
"34",
"35",
"36",
"37",
"38",
"39",
"3A",
"3B",
"3C",
"3D",
"3E",
"3F",
"40",
"41",
"42",
"43",
"44",
"45",
"46",
"47",
"48",
"49",
"4A",
"4B",
"4C",
"4D",
"4E",
"4F",
"50",
"51",
"52",
"53",
"54",
"55",
"56",
"57",
"58",
"59",
"5A",
"5B",
"5C",
"5D",
"5E",
"5F",
"60",
"61",
"62",
"63",
"64",
"65",
"66",
"67",
"68",
"69",
"6A",
"6B",
"6C",
"6D",
"6E",
"6F",
"70",
"71",
"72",
"73",
"74",
"75",
"76",
"77",
"78",
"79",
"7A",
"7B",
"7C",
"7D",
"7E",
"7F",
"80",
"81",
"82",
"83",
"84",
"85",
"86",
"87",
"88",
"89",
"8A",
"8B",
"8C",
"8D",
"8E",
"8F",
"90",
"91",
"92",
"93",
"94",
"95",
"96",
"97",
"98",
"99",
"9A",
"9B",
"9C",
"9D",
"9E",
"9F",
"A0",
"A1",
"A2",
"A3",
"A4",
"A5",
"A6",
"A7",
"A8",
"A9",
"AA",
"AB",
"AC",
"AD",
"AE",
"AF",
"B0",
"B1",
"B2",
"B3",
"B4",
"B5",
"B6",
"B7",
"B8",
"B9",
"BA",
"BB",
"BC",
"BD",
"BE",
"BF",
"C0",
"C1",
"C2",
"C3",
"C4",
"C5",
"C6",
"C7",
"C8",
"C9",
"CA",
"CB",
"CC",
"CD",
"CE",
"CF",
"D0",
"D1",
"D2",
"D3",
"D4",
"D5",
"D6",
"D7",
"D8",
"D9",
"DA",
"DB",
"DC",
"DD",
"DE",
"DF",
"E0",
"E1",
"E2",
"E3",
"E4",
"E5",
"E6",
"E7",
"E8",
"E9",
"EA",
"EB",
"EC",
"ED",
"EE",
"EF",
"F0",
"F1",
"F2",
"F3",
"F4",
"F5",
"F6",
"F7",
"F8",
"F9",
"FA",
"FB",
"FC",
"FD",
"FE",
"FF"
};
}