Escape characters that are considered to be special XML characters.

Description

Demo Code

/*//from  w  ww .j  a v  a 2  s  .c o  m
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 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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 */
//package com.java2s;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    public static void main(String[] argv) {
        String input = "java2s.com";
        System.out.println(escapeXml(input));
    }

    private static final Pattern REPLACE_QUOTE = Pattern.compile("'");
    private static final Pattern REPLACE_DOUBLE_QUOTE = Pattern
            .compile("\"");
    private static final Pattern REPLACE_LESS_THAN = Pattern.compile("<");
    private static final Pattern REPLACE_GREATER_THAN = Pattern
            .compile(">");
    private static final Pattern REPLACE_AMP = Pattern.compile("&");

    /**
     * Escape characters that are considered to be special XML characters.
     *
     * @param input String with potential special XML characters.
     * @return String with all special XML characters properly formatted.
     */
    public static String escapeXml(String input) {
        if (input == null) {
            return null;
        }

        Matcher matcher = REPLACE_DOUBLE_QUOTE.matcher(input);
        input = matcher.replaceAll("&quot;");

        matcher = REPLACE_QUOTE.matcher(input);
        input = matcher.replaceAll("&apos;");

        matcher = REPLACE_LESS_THAN.matcher(input);
        input = matcher.replaceAll("&lt;");

        matcher = REPLACE_GREATER_THAN.matcher(input);
        input = matcher.replaceAll("&gt;");

        matcher = REPLACE_AMP.matcher(input);
        input = matcher.replaceAll("&amp;");

        return input;
    }
}
Escape characters that are considered to be special XML characters. - Java XML

Description

Demo Code

Related Tutorials
