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What this is

This file is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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The source code

// $Header: /home/cvs/jakarta-jmeter/src/htmlparser/org/htmlparser/util/,v 1.2 2004/02/11 02:16:59 woolfel Exp $
 * ====================================================================
 * Copyright 2002-2004 The Apache Software Foundation.
 * Licensed 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

// The developers of JMeter and Apache are greatful to the developers
// of HTMLParser for giving Apache Software Foundation a non-exclusive
// license. The performance benefits of HTMLParser are clear and the
// users of JMeter will benefit from the hard work the HTMLParser
// team. For detailed information about HTMLParser, the project is
// hosted on sourceforge at
// HTMLParser was originally created by Somik Raha in 2000. Since then
// a healthy community of users has formed and helped refine the
// design so that it is able to tackle the difficult task of parsing
// dirty HTML. Derrick Oswald is the current lead developer and was kind
// enough to assist JMeter.
// This class was contributed by 
// Derrick Oswald

package org.htmlparser.util;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

 * Translate numeric character references and character entity references to unicode characters.
 * Based on tables found at 

Note: Do not edit! This class is created by the Generate class. *

Typical usage: *

 *      String s = Translate.decode (getTextFromHtmlPage ());
* @author Derrick Oswald */ public class Translate { /** * Table mapping entity reference kernel to character. *

String->Character */ protected static Map refChar; static { refChar = new HashMap(1000); // Portions International Organization for Standardization 1986 // Permission to copy in any form is granted for use with // conforming SGML systems and applications as defined in // ISO 8879, provided this notice is included in all copies. // Character entity set. Typical invocation: // // %HTMLlat1; refChar.put("nbsp", new Character('\u00a0')); // no-break space = non-breaking space, U+00A0 ISOnum refChar.put("iexcl", new Character('\u00a1')); // inverted exclamation mark, U+00A1 ISOnum refChar.put("cent", new Character('\u00a2')); // cent sign, U+00A2 ISOnum refChar.put("pound", new Character('\u00a3')); // pound sign, U+00A3 ISOnum refChar.put("curren", new Character('\u00a4')); // currency sign, U+00A4 ISOnum refChar.put("yen", new Character('\u00a5')); // yen sign = yuan sign, U+00A5 ISOnum refChar.put("brvbar", new Character('\u00a6')); // broken bar = broken vertical bar, U+00A6 ISOnum refChar.put("sect", new Character('\u00a7')); // section sign, U+00A7 ISOnum refChar.put("uml", new Character('\u00a8')); // diaeresis = spacing diaeresis, U+00A8 ISOdia refChar.put("copy", new Character('\u00a9')); // copyright sign, U+00A9 ISOnum refChar.put("ordf", new Character('\u00aa')); // feminine ordinal indicator, U+00AA ISOnum refChar.put("laquo", new Character('\u00ab')); // left-pointing double angle quotation mark = left pointing guillemet, U+00AB ISOnum refChar.put("not", new Character('\u00ac')); // not sign, U+00AC ISOnum refChar.put("shy", new Character('\u00ad')); // soft hyphen = discretionary hyphen, U+00AD ISOnum refChar.put("reg", new Character('\u00ae')); // registered sign = registered trade mark sign, U+00AE ISOnum refChar.put("macr", new Character('\u00af')); // macron = spacing macron = overline = APL overbar, U+00AF ISOdia refChar.put("deg", new Character('\u00b0')); // degree sign, U+00B0 ISOnum refChar.put("plusmn", new Character('\u00b1')); // plus-minus sign = plus-or-minus sign, U+00B1 ISOnum refChar.put("sup2", new Character('\u00b2')); // superscript two = superscript digit two = squared, U+00B2 ISOnum refChar.put("sup3", new Character('\u00b3')); // superscript three = superscript digit three = cubed, U+00B3 ISOnum refChar.put("acute", new Character('\u00b4')); // acute accent = spacing acute, U+00B4 ISOdia refChar.put("micro", new Character('\u00b5')); // micro sign, U+00B5 ISOnum refChar.put("para", new Character('\u00b6')); // pilcrow sign = paragraph sign, U+00B6 ISOnum refChar.put("middot", new Character('\u00b7')); // middle dot = Georgian comma = Greek middle dot, U+00B7 ISOnum refChar.put("cedil", new Character('\u00b8')); // cedilla = spacing cedilla, U+00B8 ISOdia refChar.put("sup1", new Character('\u00b9')); // superscript one = superscript digit one, U+00B9 ISOnum refChar.put("ordm", new Character('\u00ba')); // masculine ordinal indicator, U+00BA ISOnum refChar.put("raquo", new Character('\u00bb')); // right-pointing double angle quotation mark = right pointing guillemet, U+00BB ISOnum refChar.put("frac14", new Character('\u00bc')); // vulgar fraction one quarter = fraction one quarter, U+00BC ISOnum refChar.put("frac12", new Character('\u00bd')); // vulgar fraction one half = fraction one half, U+00BD ISOnum refChar.put("frac34", new Character('\u00be')); // vulgar fraction three quarters = fraction three quarters, U+00BE ISOnum refChar.put("iquest", new Character('\u00bf')); // inverted question mark = turned question mark, U+00BF ISOnum refChar.put("Agrave", new Character('\u00c0')); // latin capital letter A with grave = latin capital letter A grave, U+00C0 ISOlat1 refChar.put("Aacute", new Character('\u00c1')); // latin capital letter A with acute, U+00C1 ISOlat1 refChar.put("Acirc", new Character('\u00c2')); // latin capital letter A with circumflex, U+00C2 ISOlat1 refChar.put("Atilde", new Character('\u00c3')); // latin capital letter A with tilde, U+00C3 ISOlat1 refChar.put("Auml", new Character('\u00c4')); // latin capital letter A with diaeresis, U+00C4 ISOlat1 refChar.put("Aring", new Character('\u00c5')); // latin capital letter A with ring above = latin capital letter A ring, U+00C5 ISOlat1 refChar.put("AElig", new Character('\u00c6')); // latin capital letter AE = latin capital ligature AE, U+00C6 ISOlat1 refChar.put("Ccedil", new Character('\u00c7')); // latin capital letter C with cedilla, U+00C7 ISOlat1 refChar.put("Egrave", new Character('\u00c8')); // latin capital letter E with grave, U+00C8 ISOlat1 refChar.put("Eacute", new Character('\u00c9')); // latin capital letter E with acute, U+00C9 ISOlat1 refChar.put("Ecirc", new Character('\u00ca')); // latin capital letter E with circumflex, U+00CA ISOlat1 refChar.put("Euml", new Character('\u00cb')); // latin capital letter E with diaeresis, U+00CB ISOlat1 refChar.put("Igrave", new Character('\u00cc')); // latin capital letter I with grave, U+00CC ISOlat1 refChar.put("Iacute", new Character('\u00cd')); // latin capital letter I with acute, U+00CD ISOlat1 refChar.put("Icirc", new Character('\u00ce')); // latin capital letter I with circumflex, U+00CE ISOlat1 refChar.put("Iuml", new Character('\u00cf')); // latin capital letter I with diaeresis, U+00CF ISOlat1 refChar.put("ETH", new Character('\u00d0')); // latin capital letter ETH, U+00D0 ISOlat1 refChar.put("Ntilde", new Character('\u00d1')); // latin capital letter N with tilde, U+00D1 ISOlat1 refChar.put("Ograve", new Character('\u00d2')); // latin capital letter O with grave, U+00D2 ISOlat1 refChar.put("Oacute", new Character('\u00d3')); // latin capital letter O with acute, U+00D3 ISOlat1 refChar.put("Ocirc", new Character('\u00d4')); // latin capital letter O with circumflex, U+00D4 ISOlat1 refChar.put("Otilde", new Character('\u00d5')); // latin capital letter O with tilde, U+00D5 ISOlat1 refChar.put("Ouml", new Character('\u00d6')); // latin capital letter O with diaeresis, U+00D6 ISOlat1 refChar.put("times", new Character('\u00d7')); // multiplication sign, U+00D7 ISOnum refChar.put("Oslash", new Character('\u00d8')); // latin capital letter O with stroke = latin capital letter O slash, U+00D8 ISOlat1 refChar.put("Ugrave", new Character('\u00d9')); // latin capital letter U with grave, U+00D9 ISOlat1 refChar.put("Uacute", new Character('\u00da')); // latin capital letter U with acute, U+00DA ISOlat1 refChar.put("Ucirc", new Character('\u00db')); // latin capital letter U with circumflex, U+00DB ISOlat1 refChar.put("Uuml", new Character('\u00dc')); // latin capital letter U with diaeresis, U+00DC ISOlat1 refChar.put("Yacute", new Character('\u00dd')); // latin capital letter Y with acute, U+00DD ISOlat1 refChar.put("THORN", new Character('\u00de')); // latin capital letter THORN, U+00DE ISOlat1 refChar.put("szlig", new Character('\u00df')); // latin small letter sharp s = ess-zed, U+00DF ISOlat1 refChar.put("agrave", new Character('\u00e0')); // latin small letter a with grave = latin small letter a grave, U+00E0 ISOlat1 refChar.put("aacute", new Character('\u00e1')); // latin small letter a with acute, U+00E1 ISOlat1 refChar.put("acirc", new Character('\u00e2')); // latin small letter a with circumflex, U+00E2 ISOlat1 refChar.put("atilde", new Character('\u00e3')); // latin small letter a with tilde, U+00E3 ISOlat1 refChar.put("auml", new Character('\u00e4')); // latin small letter a with diaeresis, U+00E4 ISOlat1 refChar.put("aring", new Character('\u00e5')); // latin small letter a with ring above = latin small letter a ring, U+00E5 ISOlat1 refChar.put("aelig", new Character('\u00e6')); // latin small letter ae = latin small ligature ae, U+00E6 ISOlat1 refChar.put("ccedil", new Character('\u00e7')); // latin small letter c with cedilla, U+00E7 ISOlat1 refChar.put("egrave", new Character('\u00e8')); // latin small letter e with grave, U+00E8 ISOlat1 refChar.put("eacute", new Character('\u00e9')); // latin small letter e with acute, U+00E9 ISOlat1 refChar.put("ecirc", new Character('\u00ea')); // latin small letter e with circumflex, U+00EA ISOlat1 refChar.put("euml", new Character('\u00eb')); // latin small letter e with diaeresis, U+00EB ISOlat1 refChar.put("igrave", new Character('\u00ec')); // latin small letter i with grave, U+00EC ISOlat1 refChar.put("iacute", new Character('\u00ed')); // latin small letter i with acute, U+00ED ISOlat1 refChar.put("icirc", new Character('\u00ee')); // latin small letter i with circumflex, U+00EE ISOlat1 refChar.put("iuml", new Character('\u00ef')); // latin small letter i with diaeresis, U+00EF ISOlat1 refChar.put("eth", new Character('\u00f0')); // latin small letter eth, U+00F0 ISOlat1 refChar.put("ntilde", new Character('\u00f1')); // latin small letter n with tilde, U+00F1 ISOlat1 refChar.put("ograve", new Character('\u00f2')); // latin small letter o with grave, U+00F2 ISOlat1 refChar.put("oacute", new Character('\u00f3')); // latin small letter o with acute, U+00F3 ISOlat1 refChar.put("ocirc", new Character('\u00f4')); // latin small letter o with circumflex, U+00F4 ISOlat1 refChar.put("otilde", new Character('\u00f5')); // latin small letter o with tilde, U+00F5 ISOlat1 refChar.put("ouml", new Character('\u00f6')); // latin small letter o with diaeresis, U+00F6 ISOlat1 refChar.put("divide", new Character('\u00f7')); // division sign, U+00F7 ISOnum refChar.put("oslash", new Character('\u00f8')); // latin small letter o with stroke, = latin small letter o slash, U+00F8 ISOlat1 refChar.put("ugrave", new Character('\u00f9')); // latin small letter u with grave, U+00F9 ISOlat1 refChar.put("uacute", new Character('\u00fa')); // latin small letter u with acute, U+00FA ISOlat1 refChar.put("ucirc", new Character('\u00fb')); // latin small letter u with circumflex, U+00FB ISOlat1 refChar.put("uuml", new Character('\u00fc')); // latin small letter u with diaeresis, U+00FC ISOlat1 refChar.put("yacute", new Character('\u00fd')); // latin small letter y with acute, U+00FD ISOlat1 refChar.put("thorn", new Character('\u00fe')); // latin small letter thorn, U+00FE ISOlat1 refChar.put("yuml", new Character('\u00ff')); // latin small letter y with diaeresis, U+00FF ISOlat1 // Mathematical, Greek and Symbolic characters for HTML // Character entity set. Typical invocation: // // %HTMLsymbol; // Portions International Organization for Standardization 1986: // Permission to copy in any form is granted for use with // conforming SGML systems and applications as defined in // ISO 8879, provided this notice is included in all copies. // Relevant ISO entity set is given unless names are newly introduced. // New names (i.e., not in ISO 8879 list) do not clash with any // existing ISO 8879 entity names. ISO 10646 character numbers // are given for each character, in hex. CDATA values are decimal // conversions of the ISO 10646 values and refer to the document // character set. Names are ISO 10646 names. // Latin Extended-B refChar.put("fnof", new Character('\u0192')); // latin small f with hook = function = florin, U+0192 ISOtech // Greek refChar.put("Alpha", new Character('\u0391')); // greek capital letter alpha, U+0391 refChar.put("Beta", new Character('\u0392')); // greek capital letter beta, U+0392 refChar.put("Gamma", new Character('\u0393')); // greek capital letter gamma, U+0393 ISOgrk3 refChar.put("Delta", new Character('\u0394')); // greek capital letter delta, U+0394 ISOgrk3 refChar.put("Epsilon", new Character('\u0395')); // greek capital letter epsilon, U+0395 refChar.put("Zeta", new Character('\u0396')); // greek capital letter zeta, U+0396 refChar.put("Eta", new Character('\u0397')); // greek capital letter eta, U+0397 refChar.put("Theta", new Character('\u0398')); // greek capital letter theta, U+0398 ISOgrk3 refChar.put("Iota", new Character('\u0399')); // greek capital letter iota, U+0399 refChar.put("Kappa", new Character('\u039a')); // greek capital letter kappa, U+039A refChar.put("Lambda", new Character('\u039b')); // greek capital letter lambda, U+039B ISOgrk3 refChar.put("Mu", new Character('\u039c')); // greek capital letter mu, U+039C refChar.put("Nu", new Character('\u039d')); // greek capital letter nu, U+039D refChar.put("Xi", new Character('\u039e')); // greek capital letter xi, U+039E ISOgrk3 refChar.put("Omicron", new Character('\u039f')); // greek capital letter omicron, U+039F refChar.put("Pi", new Character('\u03a0')); // greek capital letter pi, U+03A0 ISOgrk3 refChar.put("Rho", new Character('\u03a1')); // greek capital letter rho, U+03A1 // there is no Sigmaf, and no U+03A2 character either refChar.put("Sigma", new Character('\u03a3')); // greek capital letter sigma, U+03A3 ISOgrk3 refChar.put("Tau", new Character('\u03a4')); // greek capital letter tau, U+03A4 refChar.put("Upsilon", new Character('\u03a5')); // greek capital letter upsilon, U+03A5 ISOgrk3 refChar.put("Phi", new Character('\u03a6')); // greek capital letter phi, U+03A6 ISOgrk3 refChar.put("Chi", new Character('\u03a7')); // greek capital letter chi, U+03A7 refChar.put("Psi", new Character('\u03a8')); // greek capital letter psi, U+03A8 ISOgrk3 refChar.put("Omega", new Character('\u03a9')); // greek capital letter omega, U+03A9 ISOgrk3 refChar.put("alpha", new Character('\u03b1')); // greek small letter alpha, U+03B1 ISOgrk3 refChar.put("beta", new Character('\u03b2')); // greek small letter beta, U+03B2 ISOgrk3 refChar.put("gamma", new Character('\u03b3')); // greek small letter gamma, U+03B3 ISOgrk3 refChar.put("delta", new Character('\u03b4')); // greek small letter delta, U+03B4 ISOgrk3 refChar.put("epsilon", new Character('\u03b5')); // greek small letter epsilon, U+03B5 ISOgrk3 refChar.put("zeta", new Character('\u03b6')); // greek small letter zeta, U+03B6 ISOgrk3 refChar.put("eta", new Character('\u03b7')); // greek small letter eta, U+03B7 ISOgrk3 refChar.put("theta", new Character('\u03b8')); // greek small letter theta, U+03B8 ISOgrk3 refChar.put("iota", new Character('\u03b9')); // greek small letter iota, U+03B9 ISOgrk3 refChar.put("kappa", new Character('\u03ba')); // greek small letter kappa, U+03BA ISOgrk3 refChar.put("lambda", new Character('\u03bb')); // greek small letter lambda, U+03BB ISOgrk3 refChar.put("mu", new Character('\u03bc')); // greek small letter mu, U+03BC ISOgrk3 refChar.put("nu", new Character('\u03bd')); // greek small letter nu, U+03BD ISOgrk3 refChar.put("xi", new Character('\u03be')); // greek small letter xi, U+03BE ISOgrk3 refChar.put("omicron", new Character('\u03bf')); // greek small letter omicron, U+03BF NEW refChar.put("pi", new Character('\u03c0')); // greek small letter pi, U+03C0 ISOgrk3 refChar.put("rho", new Character('\u03c1')); // greek small letter rho, U+03C1 ISOgrk3 refChar.put("sigmaf", new Character('\u03c2')); // greek small letter final sigma, U+03C2 ISOgrk3 refChar.put("sigma", new Character('\u03c3')); // greek small letter sigma, U+03C3 ISOgrk3 refChar.put("tau", new Character('\u03c4')); // greek small letter tau, U+03C4 ISOgrk3 refChar.put("upsilon", new Character('\u03c5')); // greek small letter upsilon, U+03C5 ISOgrk3 refChar.put("phi", new Character('\u03c6')); // greek small letter phi, U+03C6 ISOgrk3 refChar.put("chi", new Character('\u03c7')); // greek small letter chi, U+03C7 ISOgrk3 refChar.put("psi", new Character('\u03c8')); // greek small letter psi, U+03C8 ISOgrk3 refChar.put("omega", new Character('\u03c9')); // greek small letter omega, U+03C9 ISOgrk3 refChar.put("thetasym", new Character('\u03d1')); // greek small letter theta symbol, U+03D1 NEW refChar.put("upsih", new Character('\u03d2')); // greek upsilon with hook symbol, U+03D2 NEW refChar.put("piv", new Character('\u03d6')); // greek pi symbol, U+03D6 ISOgrk3 // General Punctuation refChar.put("bull", new Character('\u2022')); // bullet = black small circle, U+2022 ISOpub // bullet is NOT the same as bullet operator, U+2219 refChar.put("hellip", new Character('\u2026')); // horizontal ellipsis = three dot leader, U+2026 ISOpub refChar.put("prime", new Character('\u2032')); // prime = minutes = feet, U+2032 ISOtech refChar.put("Prime", new Character('\u2033')); // double prime = seconds = inches, U+2033 ISOtech refChar.put("oline", new Character('\u203e')); // overline = spacing overscore, U+203E NEW refChar.put("frasl", new Character('\u2044')); // fraction slash, U+2044 NEW // Letterlike Symbols refChar.put("weierp", new Character('\u2118')); // script capital P = power set = Weierstrass p, U+2118 ISOamso refChar.put("image", new Character('\u2111')); // blackletter capital I = imaginary part, U+2111 ISOamso refChar.put("real", new Character('\u211c')); // blackletter capital R = real part symbol, U+211C ISOamso refChar.put("trade", new Character('\u2122')); // trade mark sign, U+2122 ISOnum refChar.put("alefsym", new Character('\u2135')); // alef symbol = first transfinite cardinal, U+2135 NEW // alef symbol is NOT the same as hebrew letter alef, // U+05D0 although the same glyph could be used to depict both characters // Arrows refChar.put("larr", new Character('\u2190')); // leftwards arrow, U+2190 ISOnum refChar.put("uarr", new Character('\u2191')); // upwards arrow, U+2191 ISOnum refChar.put("rarr", new Character('\u2192')); // rightwards arrow, U+2192 ISOnum refChar.put("darr", new Character('\u2193')); // downwards arrow, U+2193 ISOnum refChar.put("harr", new Character('\u2194')); // left right arrow, U+2194 ISOamsa refChar.put("crarr", new Character('\u21b5')); // downwards arrow with corner leftwards = carriage return, U+21B5 NEW refChar.put("lArr", new Character('\u21d0')); // leftwards double arrow, U+21D0 ISOtech // ISO 10646 does not say that lArr is the same as the 'is implied by' arrow // but also does not have any other character for that function. So ? lArr can // be used for 'is implied by' as ISOtech suggests refChar.put("uArr", new Character('\u21d1')); // upwards double arrow, U+21D1 ISOamsa refChar.put("rArr", new Character('\u21d2')); // rightwards double arrow, U+21D2 ISOtech // ISO 10646 does not say this is the 'implies' character but does not have // another character with this function so ? // rArr can be used for 'implies' as ISOtech suggests refChar.put("dArr", new Character('\u21d3')); // downwards double arrow, U+21D3 ISOamsa refChar.put("hArr", new Character('\u21d4')); // left right double arrow, U+21D4 ISOamsa // Mathematical Operators refChar.put("forall", new Character('\u2200')); // for all, U+2200 ISOtech refChar.put("part", new Character('\u2202')); // partial differential, U+2202 ISOtech refChar.put("exist", new Character('\u2203')); // there exists, U+2203 ISOtech refChar.put("empty", new Character('\u2205')); // empty set = null set = diameter, U+2205 ISOamso refChar.put("nabla", new Character('\u2207')); // nabla = backward difference, U+2207 ISOtech refChar.put("isin", new Character('\u2208')); // element of, U+2208 ISOtech refChar.put("notin", new Character('\u2209')); // not an element of, U+2209 ISOtech refChar.put("ni", new Character('\u220b')); // contains as member, U+220B ISOtech // should there be a more memorable name than 'ni'? refChar.put("prod", new Character('\u220f')); // n-ary product = product sign, U+220F ISOamsb // prod is NOT the same character as U+03A0 'greek capital letter pi' though // the same glyph might be used for both refChar.put("sum", new Character('\u2211')); // n-ary sumation, U+2211 ISOamsb // sum is NOT the same character as U+03A3 'greek capital letter sigma' // though the same glyph might be used for both refChar.put("minus", new Character('\u2212')); // minus sign, U+2212 ISOtech refChar.put("lowast", new Character('\u2217')); // asterisk operator, U+2217 ISOtech refChar.put("radic", new Character('\u221a')); // square root = radical sign, U+221A ISOtech refChar.put("prop", new Character('\u221d')); // proportional to, U+221D ISOtech refChar.put("infin", new Character('\u221e')); // infinity, U+221E ISOtech refChar.put("ang", new Character('\u2220')); // angle, U+2220 ISOamso refChar.put("and", new Character('\u2227')); // logical and = wedge, U+2227 ISOtech refChar.put("or", new Character('\u2228')); // logical or = vee, U+2228 ISOtech refChar.put("cap", new Character('\u2229')); // intersection = cap, U+2229 ISOtech refChar.put("cup", new Character('\u222a')); // union = cup, U+222A ISOtech refChar.put("int", new Character('\u222b')); // integral, U+222B ISOtech refChar.put("there4", new Character('\u2234')); // therefore, U+2234 ISOtech refChar.put("sim", new Character('\u223c')); // tilde operator = varies with = similar to, U+223C ISOtech // tilde operator is NOT the same character as the tilde, U+007E, // although the same glyph might be used to represent both refChar.put("cong", new Character('\u2245')); // approximately equal to, U+2245 ISOtech refChar.put("asymp", new Character('\u2248')); // almost equal to = asymptotic to, U+2248 ISOamsr refChar.put("ne", new Character('\u2260')); // not equal to, U+2260 ISOtech refChar.put("equiv", new Character('\u2261')); // identical to, U+2261 ISOtech refChar.put("le", new Character('\u2264')); // less-than or equal to, U+2264 ISOtech refChar.put("ge", new Character('\u2265')); // greater-than or equal to, U+2265 ISOtech refChar.put("sub", new Character('\u2282')); // subset of, U+2282 ISOtech refChar.put("sup", new Character('\u2283')); // superset of, U+2283 ISOtech // note that nsup, 'not a superset of, U+2283' is not covered by the Symbol // font encoding and is not included. Should it be, for symmetry? // It is in ISOamsn refChar.put("nsub", new Character('\u2284')); // not a subset of, U+2284 ISOamsn refChar.put("sube", new Character('\u2286')); // subset of or equal to, U+2286 ISOtech refChar.put("supe", new Character('\u2287')); // superset of or equal to, U+2287 ISOtech refChar.put("oplus", new Character('\u2295')); // circled plus = direct sum, U+2295 ISOamsb refChar.put("otimes", new Character('\u2297')); // circled times = vector product, U+2297 ISOamsb refChar.put("perp", new Character('\u22a5')); // up tack = orthogonal to = perpendicular, U+22A5 ISOtech refChar.put("sdot", new Character('\u22c5')); // dot operator, U+22C5 ISOamsb // dot operator is NOT the same character as U+00B7 middle dot // Miscellaneous Technical refChar.put("lceil", new Character('\u2308')); // left ceiling = apl upstile, U+2308 ISOamsc refChar.put("rceil", new Character('\u2309')); // right ceiling, U+2309 ISOamsc refChar.put("lfloor", new Character('\u230a')); // left floor = apl downstile, U+230A ISOamsc refChar.put("rfloor", new Character('\u230b')); // right floor, U+230B ISOamsc refChar.put("lang", new Character('\u2329')); // left-pointing angle bracket = bra, U+2329 ISOtech // lang is NOT the same character as U+003C 'less than' // or U+2039 'single left-pointing angle quotation mark' refChar.put("rang", new Character('\u232a')); // right-pointing angle bracket = ket, U+232A ISOtech // rang is NOT the same character as U+003E 'greater than' // or U+203A 'single right-pointing angle quotation mark' // Geometric Shapes refChar.put("loz", new Character('\u25ca')); // lozenge, U+25CA ISOpub // Miscellaneous Symbols refChar.put("spades", new Character('\u2660')); // black spade suit, U+2660 ISOpub // black here seems to mean filled as opposed to hollow refChar.put("clubs", new Character('\u2663')); // black club suit = shamrock, U+2663 ISOpub refChar.put("hearts", new Character('\u2665')); // black heart suit = valentine, U+2665 ISOpub refChar.put("diams", new Character('\u2666')); // black diamond suit, U+2666 ISOpub // Special characters for HTML // Character entity set. Typical invocation: // // %HTMLspecial; // Portions International Organization for Standardization 1986: // Permission to copy in any form is granted for use with // conforming SGML systems and applications as defined in // ISO 8879, provided this notice is included in all copies. // Relevant ISO entity set is given unless names are newly introduced. // New names (i.e., not in ISO 8879 list) do not clash with any // existing ISO 8879 entity names. ISO 10646 character numbers // are given for each character, in hex. CDATA values are decimal // conversions of the ISO 10646 values and refer to the document // character set. Names are ISO 10646 names. // C0 Controls and Basic Latin refChar.put("quot", new Character('\u0022')); // quotation mark = APL quote, U+0022 ISOnum refChar.put("amp", new Character('\u0026')); // ampersand, U+0026 ISOnum refChar.put("lt", new Character('\u003c')); // less-than sign, U+003C ISOnum refChar.put("gt", new Character('\u003e')); // greater-than sign, U+003E ISOnum // Latin Extended-A refChar.put("OElig", new Character('\u0152')); // latin capital ligature OE, U+0152 ISOlat2 refChar.put("oelig", new Character('\u0153')); // latin small ligature oe, U+0153 ISOlat2 // ligature is a misnomer, this is a separate character in some languages refChar.put("Scaron", new Character('\u0160')); // latin capital letter S with caron, U+0160 ISOlat2 refChar.put("scaron", new Character('\u0161')); // latin small letter s with caron, U+0161 ISOlat2 refChar.put("Yuml", new Character('\u0178')); // latin capital letter Y with diaeresis, U+0178 ISOlat2 // Spacing Modifier Letters refChar.put("circ", new Character('\u02c6')); // modifier letter circumflex accent, U+02C6 ISOpub refChar.put("tilde", new Character('\u02dc')); // small tilde, U+02DC ISOdia // General Punctuation refChar.put("ensp", new Character('\u2002')); // en space, U+2002 ISOpub refChar.put("emsp", new Character('\u2003')); // em space, U+2003 ISOpub refChar.put("thinsp", new Character('\u2009')); // thin space, U+2009 ISOpub refChar.put("zwnj", new Character('\u200c')); // zero width non-joiner, U+200C NEW RFC 2070 refChar.put("zwj", new Character('\u200d')); // zero width joiner, U+200D NEW RFC 2070 refChar.put("lrm", new Character('\u200e')); // left-to-right mark, U+200E NEW RFC 2070 refChar.put("rlm", new Character('\u200f')); // right-to-left mark, U+200F NEW RFC 2070 refChar.put("ndash", new Character('\u2013')); // en dash, U+2013 ISOpub refChar.put("mdash", new Character('\u2014')); // em dash, U+2014 ISOpub refChar.put("lsquo", new Character('\u2018')); // left single quotation mark, U+2018 ISOnum refChar.put("rsquo", new Character('\u2019')); // right single quotation mark, U+2019 ISOnum refChar.put("sbquo", new Character('\u201a')); // single low-9 quotation mark, U+201A NEW refChar.put("ldquo", new Character('\u201c')); // left double quotation mark, U+201C ISOnum refChar.put("rdquo", new Character('\u201d')); // right double quotation mark, U+201D ISOnum refChar.put("bdquo", new Character('\u201e')); // double low-9 quotation mark, U+201E NEW refChar.put("dagger", new Character('\u2020')); // dagger, U+2020 ISOpub refChar.put("Dagger", new Character('\u2021')); // double dagger, U+2021 ISOpub refChar.put("permil", new Character('\u2030')); // per mille sign, U+2030 ISOtech refChar.put("lsaquo", new Character('\u2039')); // single left-pointing angle quotation mark, U+2039 ISO proposed // lsaquo is proposed but not yet ISO standardized refChar.put("rsaquo", new Character('\u203a')); // single right-pointing angle quotation mark, U+203A ISO proposed // rsaquo is proposed but not yet ISO standardized refChar.put("euro", new Character('\u20ac')); // euro sign, U+20AC NEW } /** * Table mapping character to entity reference kernel. *

Character->String */ protected static Map charRefTable; static { charRefTable = new HashMap(refChar.size()); Iterator iterator = refChar.keySet().iterator(); while (iterator.hasNext()) { String key = (String); Character character = (Character) refChar.get(key); charRefTable.put(character, key); } } /** * Private constructor. * This class is fully static and thread safe. */ private Translate() { } /** * Convert a reference to a unicode character. * Convert a single numeric character reference or character entity reference * to a unicode character. * @param string The string to convert. Of the form &xxxx; or &#xxxx; with * or without the leading ampersand or trailing semi-colon. * @return The converted character or '\0' (zero) if the string is an * invalid reference. */ public static char convertToChar(String string) { int length; Character item; char ret; ret = 0; length = string.length(); if (0 < length) { if ('&' == string.charAt(0)) { string = string.substring(1); length--; } if (0 < length) { if (';' == string.charAt(length - 1)) string = string.substring(0, --length); if (0 < length) { if ('#' == string.charAt(0)) try { ret = (char) Integer.parseInt(string.substring(1)); } catch (NumberFormatException nfe) { /* failed conversion, return 0 */ } else { item = (Character) refChar.get(string); if (null != item) ret = item.charValue(); } } } } return (ret); } /** * Decode a string containing references. * Change all numeric character reference and character entity references * to unicode characters. * @param string The string to translate. */ public static String decode(String string) { int index; int length; int amp; int semi; String code; char character; StringBuffer ret; ret = new StringBuffer(string.length()); index = 0; length = string.length(); while ((index < length) && (-1 != (amp = string.indexOf('&', index)))) { ret.append(string.substring(index, amp)); index = amp + 1; if (amp < length - 1) { semi = string.indexOf(';', amp); if (-1 != semi) code = string.substring(amp, semi + 1); else code = string.substring(amp); if (0 != (character = convertToChar(code))) index += code.length() - 1; else character = '&'; } else character = '&'; ret.append(character); } if (index < length) ret.append(string.substring(index)); return (ret.toString()); } /** * Convert a character to a character entity reference. * Convert a unicode character to a character entity reference of * the form &xxxx;. * @param character The character to convert. * @return The converted character or null if the character * is not one of the known entity references. */ public static String convertToString(Character character) { StringBuffer buffer; String ret; if (null != (ret = (String) charRefTable.get(character))) { buffer = new StringBuffer(ret.length() + 2); buffer.append('&'); buffer.append(ret); buffer.append(';'); ret = buffer.toString(); } return (ret); } /** * Convert a character to a numeric character reference. * Convert a unicode character to a numeric character reference of * the form &#xxxx;. * @param character The character to convert. * @return The converted character. */ public static String convertToString(int character) { StringBuffer ret; ret = new StringBuffer(13); /* � */ ret.append("&#"); ret.append(character); ret.append(';'); return (ret.toString()); } /** * Encode a string to use references. * Change all characters that are not ASCII to their numeric character * reference or character entity reference. * This implementation is inefficient, allocating a new * Character for each character in the string, * but this class is primarily intended to decode strings * so efficiency and speed in the encoding was not a priority. * @param string The string to translate. */ public static String encode(String string) { int length; char c; Character character; String value; StringBuffer ret; ret = new StringBuffer(string.length() * 6); length = string.length(); for (int i = 0; i < length; i++) { c = string.charAt(i); character = new Character(c); if (null != (value = convertToString(character))) ret.append(value); else if (!((c > 0x001F) && (c < 0x007F))) { value = convertToString(c); ret.append(value); } else ret.append(character); } return (ret.toString()); } }

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