333 lines
14 KiB
Java
333 lines
14 KiB
Java
/*
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* Copyright 2020 Chris Cromer
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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*
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* 2. 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.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
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*
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* 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 HOLDER 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.
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*
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*/
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package cl.cromer.azaraka.logging;
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import java.util.HashMap;
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/**
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* This class handles string formatting for html
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*/
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public class StringUtils {
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/**
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* A map of all the characters that need to be encoded
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*/
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private static final HashMap<Character, String> htmlEncodeChars = new HashMap<>();
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static {
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// Special characters for HTML
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htmlEncodeChars.put('\u0026', "&");
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htmlEncodeChars.put('\u003C', "<");
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htmlEncodeChars.put('\u003E', ">");
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htmlEncodeChars.put('\u0022', """);
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htmlEncodeChars.put('\u0152', "Œ");
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htmlEncodeChars.put('\u0153', "œ");
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htmlEncodeChars.put('\u0160', "Š");
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htmlEncodeChars.put('\u0161', "š");
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htmlEncodeChars.put('\u0178', "Ÿ");
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htmlEncodeChars.put('\u02C6', "ˆ");
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htmlEncodeChars.put('\u02DC', "˜");
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htmlEncodeChars.put('\u2002', " ");
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htmlEncodeChars.put('\u2003', " ");
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htmlEncodeChars.put('\u2009', " ");
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htmlEncodeChars.put('\u200C', "‌");
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htmlEncodeChars.put('\u200D', "‍");
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htmlEncodeChars.put('\u200E', "‎");
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htmlEncodeChars.put('\u200F', "‏");
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htmlEncodeChars.put('\u2013', "–");
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htmlEncodeChars.put('\u2014', "—");
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htmlEncodeChars.put('\u2018', "‘");
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htmlEncodeChars.put('\u2019', "’");
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htmlEncodeChars.put('\u201A', "‚");
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htmlEncodeChars.put('\u201C', "“");
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htmlEncodeChars.put('\u201D', "”");
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htmlEncodeChars.put('\u201E', "„");
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htmlEncodeChars.put('\u2020', "†");
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htmlEncodeChars.put('\u2021', "‡");
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htmlEncodeChars.put('\u2030', "‰");
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htmlEncodeChars.put('\u2039', "‹");
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htmlEncodeChars.put('\u203A', "›");
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htmlEncodeChars.put('\u20AC', "€");
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// Character entity references for ISO 8859-1 characters
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htmlEncodeChars.put('\u00A0', " ");
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htmlEncodeChars.put('\u00A1', "¡");
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htmlEncodeChars.put('\u00A2', "¢");
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htmlEncodeChars.put('\u00A3', "£");
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htmlEncodeChars.put('\u00A4', "¤");
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htmlEncodeChars.put('\u00A5', "¥");
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htmlEncodeChars.put('\u00A6', "¦");
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htmlEncodeChars.put('\u00A7', "§");
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htmlEncodeChars.put('\u00A8', "¨");
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htmlEncodeChars.put('\u00A9', "©");
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htmlEncodeChars.put('\u00AA', "ª");
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htmlEncodeChars.put('\u00AB', "«");
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htmlEncodeChars.put('\u00AC', "¬");
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htmlEncodeChars.put('\u00AD', "­");
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htmlEncodeChars.put('\u00AE', "®");
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htmlEncodeChars.put('\u00AF', "¯");
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htmlEncodeChars.put('\u00B0', "°");
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htmlEncodeChars.put('\u00B1', "±");
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htmlEncodeChars.put('\u00B2', "²");
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htmlEncodeChars.put('\u00B3', "³");
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htmlEncodeChars.put('\u00B4', "´");
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htmlEncodeChars.put('\u00B5', "µ");
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htmlEncodeChars.put('\u00B6', "¶");
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htmlEncodeChars.put('\u00B7', "·");
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htmlEncodeChars.put('\u00B8', "¸");
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htmlEncodeChars.put('\u00B9', "¹");
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htmlEncodeChars.put('\u00BA', "º");
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htmlEncodeChars.put('\u00BB', "»");
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htmlEncodeChars.put('\u00BC', "¼");
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htmlEncodeChars.put('\u00BD', "½");
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htmlEncodeChars.put('\u00BE', "¾");
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htmlEncodeChars.put('\u00BF', "¿");
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htmlEncodeChars.put('\u00C0', "À");
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htmlEncodeChars.put('\u00C1', "Á");
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htmlEncodeChars.put('\u00C2', "Â");
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htmlEncodeChars.put('\u00C3', "Ã");
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htmlEncodeChars.put('\u00C4', "Ä");
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htmlEncodeChars.put('\u00C5', "Å");
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htmlEncodeChars.put('\u00C6', "Æ");
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htmlEncodeChars.put('\u00C7', "Ç");
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htmlEncodeChars.put('\u00C8', "È");
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htmlEncodeChars.put('\u00C9', "É");
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htmlEncodeChars.put('\u00CA', "Ê");
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htmlEncodeChars.put('\u00CB', "Ë");
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htmlEncodeChars.put('\u00CC', "Ì");
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htmlEncodeChars.put('\u00CD', "Í");
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htmlEncodeChars.put('\u00CE', "Î");
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htmlEncodeChars.put('\u00CF', "Ï");
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htmlEncodeChars.put('\u00D0', "Ð");
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htmlEncodeChars.put('\u00D1', "Ñ");
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htmlEncodeChars.put('\u00D2', "Ò");
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htmlEncodeChars.put('\u00D3', "Ó");
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htmlEncodeChars.put('\u00D4', "Ô");
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htmlEncodeChars.put('\u00D5', "Õ");
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htmlEncodeChars.put('\u00D6', "Ö");
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htmlEncodeChars.put('\u00D7', "×");
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htmlEncodeChars.put('\u00D8', "Ø");
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htmlEncodeChars.put('\u00D9', "Ù");
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htmlEncodeChars.put('\u00DA', "Ú");
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htmlEncodeChars.put('\u00DB', "Û");
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htmlEncodeChars.put('\u00DC', "Ü");
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htmlEncodeChars.put('\u00DD', "Ý");
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htmlEncodeChars.put('\u00DE', "Þ");
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htmlEncodeChars.put('\u00DF', "ß");
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htmlEncodeChars.put('\u00E0', "à");
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htmlEncodeChars.put('\u00E1', "á");
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htmlEncodeChars.put('\u00E2', "â");
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htmlEncodeChars.put('\u00E3', "ã");
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htmlEncodeChars.put('\u00E4', "ä");
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htmlEncodeChars.put('\u00E5', "å");
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htmlEncodeChars.put('\u00E6', "æ");
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htmlEncodeChars.put('\u00E7', "ç");
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htmlEncodeChars.put('\u00E8', "è");
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htmlEncodeChars.put('\u00E9', "é");
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htmlEncodeChars.put('\u00EA', "ê");
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htmlEncodeChars.put('\u00EB', "ë");
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htmlEncodeChars.put('\u00EC', "ì");
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htmlEncodeChars.put('\u00ED', "í");
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htmlEncodeChars.put('\u00EE', "î");
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htmlEncodeChars.put('\u00EF', "ï");
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htmlEncodeChars.put('\u00F0', "ð");
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htmlEncodeChars.put('\u00F1', "ñ");
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htmlEncodeChars.put('\u00F2', "ò");
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htmlEncodeChars.put('\u00F3', "ó");
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htmlEncodeChars.put('\u00F4', "ô");
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htmlEncodeChars.put('\u00F5', "õ");
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htmlEncodeChars.put('\u00F6', "ö");
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htmlEncodeChars.put('\u00F7', "÷");
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htmlEncodeChars.put('\u00F8', "ø");
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htmlEncodeChars.put('\u00F9', "ù");
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htmlEncodeChars.put('\u00FA', "ú");
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htmlEncodeChars.put('\u00FB', "û");
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htmlEncodeChars.put('\u00FC', "ü");
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htmlEncodeChars.put('\u00FD', "ý");
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htmlEncodeChars.put('\u00FE', "þ");
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htmlEncodeChars.put('\u00FF', "ÿ");
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// Mathematical, Greek and Symbolic characters for HTML
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htmlEncodeChars.put('\u0192', "ƒ");
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htmlEncodeChars.put('\u0391', "Α");
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htmlEncodeChars.put('\u0392', "Β");
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htmlEncodeChars.put('\u0393', "Γ");
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htmlEncodeChars.put('\u0394', "Δ");
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htmlEncodeChars.put('\u0395', "Ε");
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htmlEncodeChars.put('\u0396', "Ζ");
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htmlEncodeChars.put('\u0397', "Η");
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htmlEncodeChars.put('\u0398', "Θ");
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htmlEncodeChars.put('\u0399', "Ι");
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htmlEncodeChars.put('\u039A', "Κ");
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htmlEncodeChars.put('\u039B', "Λ");
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htmlEncodeChars.put('\u039C', "Μ");
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htmlEncodeChars.put('\u039D', "Ν");
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htmlEncodeChars.put('\u039E', "Ξ");
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htmlEncodeChars.put('\u039F', "Ο");
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htmlEncodeChars.put('\u03A0', "Π");
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htmlEncodeChars.put('\u03A1', "Ρ");
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htmlEncodeChars.put('\u03A3', "Σ");
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htmlEncodeChars.put('\u03A4', "Τ");
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htmlEncodeChars.put('\u03A5', "Υ");
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htmlEncodeChars.put('\u03A6', "Φ");
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htmlEncodeChars.put('\u03A7', "Χ");
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htmlEncodeChars.put('\u03A8', "Ψ");
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htmlEncodeChars.put('\u03A9', "Ω");
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htmlEncodeChars.put('\u03B1', "α");
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htmlEncodeChars.put('\u03B2', "β");
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htmlEncodeChars.put('\u03B3', "γ");
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htmlEncodeChars.put('\u03B4', "δ");
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htmlEncodeChars.put('\u03B5', "ε");
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htmlEncodeChars.put('\u03B6', "ζ");
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htmlEncodeChars.put('\u03B7', "η");
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htmlEncodeChars.put('\u03B8', "θ");
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htmlEncodeChars.put('\u03B9', "ι");
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htmlEncodeChars.put('\u03BA', "κ");
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htmlEncodeChars.put('\u03BB', "λ");
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htmlEncodeChars.put('\u03BC', "μ");
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htmlEncodeChars.put('\u03BD', "ν");
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htmlEncodeChars.put('\u03BE', "ξ");
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htmlEncodeChars.put('\u03BF', "ο");
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htmlEncodeChars.put('\u03C0', "π");
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htmlEncodeChars.put('\u03C1', "ρ");
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htmlEncodeChars.put('\u03C2', "ς");
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htmlEncodeChars.put('\u03C3', "σ");
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htmlEncodeChars.put('\u03C4', "τ");
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htmlEncodeChars.put('\u03C5', "υ");
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htmlEncodeChars.put('\u03C6', "φ");
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htmlEncodeChars.put('\u03C7', "χ");
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htmlEncodeChars.put('\u03C8', "ψ");
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htmlEncodeChars.put('\u03C9', "ω");
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htmlEncodeChars.put('\u03D1', "ϑ");
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htmlEncodeChars.put('\u03D2', "ϒ");
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htmlEncodeChars.put('\u03D6', "ϖ");
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htmlEncodeChars.put('\u2022', "•");
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htmlEncodeChars.put('\u2026', "…");
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htmlEncodeChars.put('\u2032', "′");
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htmlEncodeChars.put('\u2033', "″");
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htmlEncodeChars.put('\u203E', "‾");
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htmlEncodeChars.put('\u2044', "⁄");
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htmlEncodeChars.put('\u2118', "℘");
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htmlEncodeChars.put('\u2111', "ℑ");
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htmlEncodeChars.put('\u211C', "ℜ");
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htmlEncodeChars.put('\u2122', "™");
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htmlEncodeChars.put('\u2135', "ℵ");
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htmlEncodeChars.put('\u2190', "←");
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htmlEncodeChars.put('\u2191', "↑");
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htmlEncodeChars.put('\u2192', "→");
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htmlEncodeChars.put('\u2193', "↓");
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htmlEncodeChars.put('\u2194', "↔");
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htmlEncodeChars.put('\u21B5', "↵");
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htmlEncodeChars.put('\u21D0', "⇐");
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htmlEncodeChars.put('\u21D1', "⇑");
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htmlEncodeChars.put('\u21D2', "⇒");
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htmlEncodeChars.put('\u21D3', "⇓");
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htmlEncodeChars.put('\u21D4', "⇔");
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htmlEncodeChars.put('\u2200', "∀");
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htmlEncodeChars.put('\u2202', "∂");
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htmlEncodeChars.put('\u2203', "∃");
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htmlEncodeChars.put('\u2205', "∅");
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htmlEncodeChars.put('\u2207', "∇");
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htmlEncodeChars.put('\u2208', "∈");
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htmlEncodeChars.put('\u2209', "∉");
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htmlEncodeChars.put('\u220B', "∋");
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htmlEncodeChars.put('\u220F', "∏");
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htmlEncodeChars.put('\u2211', "∑");
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htmlEncodeChars.put('\u2212', "−");
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htmlEncodeChars.put('\u2217', "∗");
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htmlEncodeChars.put('\u221A', "√");
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htmlEncodeChars.put('\u221D', "∝");
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htmlEncodeChars.put('\u221E', "∞");
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htmlEncodeChars.put('\u2220', "∠");
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htmlEncodeChars.put('\u2227', "∧");
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htmlEncodeChars.put('\u2228', "∨");
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htmlEncodeChars.put('\u2229', "∩");
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htmlEncodeChars.put('\u222A', "∪");
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htmlEncodeChars.put('\u222B', "∫");
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htmlEncodeChars.put('\u2234', "∴");
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htmlEncodeChars.put('\u223C', "∼");
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htmlEncodeChars.put('\u2245', "≅");
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htmlEncodeChars.put('\u2248', "≈");
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htmlEncodeChars.put('\u2260', "≠");
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htmlEncodeChars.put('\u2261', "≡");
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htmlEncodeChars.put('\u2264', "≤");
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htmlEncodeChars.put('\u2265', "≥");
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htmlEncodeChars.put('\u2282', "⊂");
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htmlEncodeChars.put('\u2283', "⊃");
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htmlEncodeChars.put('\u2284', "⊄");
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htmlEncodeChars.put('\u2286', "⊆");
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htmlEncodeChars.put('\u2287', "⊇");
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htmlEncodeChars.put('\u2295', "⊕");
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htmlEncodeChars.put('\u2297', "⊗");
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htmlEncodeChars.put('\u22A5', "⊥");
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htmlEncodeChars.put('\u22C5', "⋅");
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htmlEncodeChars.put('\u2308', "⌈");
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htmlEncodeChars.put('\u2309', "⌉");
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htmlEncodeChars.put('\u230A', "⌊");
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htmlEncodeChars.put('\u230B', "⌋");
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htmlEncodeChars.put('\u2329', "⟨");
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htmlEncodeChars.put('\u232A', "⟩");
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htmlEncodeChars.put('\u25CA', "◊");
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htmlEncodeChars.put('\u2660', "♠");
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htmlEncodeChars.put('\u2663', "♣");
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htmlEncodeChars.put('\u2665', "♥");
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htmlEncodeChars.put('\u2666', "♦");
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}
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/**
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* Encode the string for html characters
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*
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* @param source The string to encode
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* @return Returns a new string that is encoded with html characters
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*/
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public static String encodeHtml(String source) {
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if (source == null) {
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return null;
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}
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StringBuffer encoded_string = null;
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char[] string_to_encode_array = source.toCharArray();
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int last_match = -1;
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int difference;
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for (int i = 0; i < string_to_encode_array.length; i++) {
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char char_to_encode = string_to_encode_array[i];
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if (StringUtils.htmlEncodeChars.containsKey(char_to_encode)) {
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if (encoded_string == null) {
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encoded_string = new StringBuffer(source.length());
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}
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difference = i - (last_match + 1);
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if (difference > 0) {
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encoded_string.append(string_to_encode_array, last_match + 1, difference);
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}
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encoded_string.append(StringUtils.htmlEncodeChars.get(char_to_encode));
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last_match = i;
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}
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}
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if (encoded_string == null) {
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return source;
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}
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else {
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difference = string_to_encode_array.length - (last_match + 1);
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if (difference > 0) {
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encoded_string.append(string_to_encode_array, last_match + 1, difference);
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}
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return encoded_string.toString();
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}
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}
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} |