Java HTML Unescape unescapeHTML(String s)

Description

unescape HTML

License

Apache License

Declaration

public static String unescapeHTML(String s) 

Method Source Code

//package com.java2s;
/*//w  ww .j  av a  2s . com
 * HtmlUtil.java
 *
 * This file is part of SQL Workbench/J, http://www.sql-workbench.net
 *
 * Copyright 2002-2017, Thomas Kellerer
 *
 * Licensed under a modified Apache License, Version 2.0
 * that restricts the use for certain governments.
 * You may not use this file except in compliance with the License.
 * You may obtain a copy of the License at.
 *
 *     http://sql-workbench.net/manual/license.html
 *
 * 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.
 *
 * To contact the author please send an email to: support@sql-workbench.net
 *
 */

public class Main {
    public static String unescapeHTML(String s) {
        String[][] escape = { { "&lt;", "<" }, { "&gt;", ">" }, { "&amp;", "&" }, { "&quot;", "\"" },
                { "&agrave;", "\u00e0" }, { "&Agrave;", "\u00c0" }, { "&acirc;", "\u00e2" }, { "&auml;", "\u00e4" },
                { "&Auml;", "\u00c4" }, { "&Acirc;", "\u00c2" }, { "&aring;", "\u00e5" }, { "&Aring;", "\u00c5" },
                { "&aelig;", "\u00e6" }, { "&AElig;", "\u00c6" }, { "&ccedil;", "\u00e7" },
                { "&Ccedil;", "\u00c7" }, { "&eacute;", "\u00e9" }, { "&Eacute;", "\u00c9" },
                { "&egrave;", "\u00e8" }, { "&Egrave;", "\u00c8" }, { "&ecirc;", "\u00ea" },
                { "&Ecirc;", "\u00ca" }, { "&euml;", "\u00eb" }, { "&Euml;", "\u00cb" }, { "&iuml;", "\u00ef" },
                { "&Iuml;", "\u00cf" }, { "&ocirc;", "\u00f4" }, { "&Ocirc;", "\u00d4" }, { "&ouml;", "\u00f6" },
                { "&Ouml;", "\u00d6" }, { "&oslash;", "\u00f8" }, { "&Oslash;", "\u00d8" }, { "&szlig;", "\u00df" },
                { "&ugrave;", "\u00f9" }, { "&Ugrave;", "\u00d9" }, { "&ucirc;", "\u00fb" },
                { "&Ucirc;", "\u00db" }, { "&uuml;", "\u00fc" }, { "&Uuml;", "\u00dc" }, { "&nbsp;", " " },
                { "&reg;", "\u00a9" }, { "&copy;", "\u00ae" }, { "&euro;", "\u20a0" } };

        int i, j, k;

        i = s.indexOf('&');
        if (i > -1) {
            j = s.indexOf(';');
            if (j > i) {
                String temp = s.substring(i, j + 1);
                // search in escape[][] if temp is there
                k = 0;
                while (k < escape.length) {
                    if (escape[k][0].equals(temp))
                        break;
                    else
                        k++;
                }
                s = s.substring(0, i) + escape[k][1] + s.substring(j + 1);
                return unescapeHTML(s); // recursive call
            }
        }
        return s;
    }
}

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2. unescapeHTML(String html)
3. unescapeHtml(String s)
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