Java XML Encode toXMLCharData(String javaString)

Description

to XML Char Data

License

Open Source License

Declaration

public static String toXMLCharData(String javaString) 

Method Source Code

//package com.java2s;
/**//from   w  ww . j a v  a  2  s.  c  o m
 * Copyright 2004-2014 Riccardo Solmi. All rights reserved.
 * This file is part of the Whole Platform.
 *
 * The Whole Platform 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.
 *
 * The Whole Platform 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 the Whole Platform. If not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    public static String toXMLCharData(String javaString) {
        char[] charArray = javaString.toCharArray();
        StringBuilder buffer = new StringBuilder();

        for (int i = 0; i < charArray.length; i++) {
            final char ch = charArray[i];

            switch (ch) {
            case ' ':
                buffer.append(' ');
                break;
            case '<':
                buffer.append("&lt;");
                break;
            case '>':
                buffer.append("&gt;");
                break;
            case '\'':
                buffer.append("&apos;");
                break;
            case '"':
                buffer.append("&quot;");
                break;
            case '&':
                buffer.append("&amp;");
                break;
            case '\b':
                buffer.append("&#8;");
                break;
            case '\t':
            case '\n':
                buffer.append(ch);
                break;
            case '\f':
                buffer.append("&#12;");
                break;
            case '\r':
                buffer.append("&#13;");
                break;
            default:
                if (Character.isISOControl(ch) || Character.isWhitespace(ch)) {
                    buffer.append("&#x");
                    buffer.append(charToHex(ch));
                    buffer.append(';');
                } else
                    buffer.append(ch);
                break;
            }
        }
        return buffer.toString();
    }

    public static boolean isWhitespace(CharSequence cs) {
        int count = 0, length = cs.length();
        while (count < length && Character.isWhitespace(cs.charAt(count)))
            count++;
        return count == length;
    }

    public static String charToHex(char c) {
        // Returns hex String representation of char c
        byte hi = (byte) (c >>> 8);
        byte lo = (byte) (c & 0xff);
        return byteToHex(hi) + byteToHex(lo);
    }

    public static String byteToHex(byte b) {
        // Returns hex String representation of byte b
        char hexDigit[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
        char[] array = { hexDigit[(b >> 4) & 0x0f], hexDigit[b & 0x0f] };
        return new String(array);
    }
}

Related

1. encodeXML(String text)
2. textToXml(String text)
3. textToXML(String text)
4. toXMLCData(String cdata)
5. toXMLEscapedTextExpandingWhitespace(String text)
6. unwrapCdata(String s)
7. unwrapCdata(String sText)
8. unwrapCDATA(String str)