Java String Unescape unescape(final String text)

Description

unescape

License

Open Source License

Declaration

public static String unescape(final String text) 

Method Source Code

//package com.java2s;
/**/*from   w  w w.j  a va2s  .co  m*/
 * This file is part of Everit - HTML Templating.
 *
 * Everit - HTML Templating is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Everit - HTML Templating is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Everit - HTML Templating.  If not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    public static String unescape(final String text) {
        StringBuilder result = new StringBuilder(text.length());
        int i = 0;
        int n = text.length();
        while (i < n) {
            char charAt = text.charAt(i);
            if (charAt != '&') {
                result.append(charAt);
                i++;
            } else {
                if (text.startsWith("&amp;", i)) {
                    result.append('&');
                    i += 5;
                } else if (text.startsWith("&apos;", i)) {
                    result.append('\'');
                    i += 6;
                } else if (text.startsWith("&quot;", i)) {
                    result.append('"');
                    i += 6;
                } else if (text.startsWith("&lt;", i)) {
                    result.append('<');
                    i += 4;
                } else if (text.startsWith("&gt;", i)) {
                    result.append('>');
                    i += 4;
                }
            }
        }
        return result.toString();
    }
}

Related

1. unescape(final String name)
2. unescape(final String s)
3. unescape(final String source)
4. unescape(final String str, final char escapeChar)
5. unescape(final String string, final char quoteChar)
6. unescape(final String[] inval, final Character escapeChar)
7. unescape(String aString)
8. unescape(String aValue)
9. unescape(String data)