htmlentities equivalent in JSP?

Question

I'm a php guy, but I have to do some small project in JSP. I'm wondering if there's an equivalent to htmlentities function (of php) in JSP.

See http://stackoverflow.com/questions/3636956 – Tim Sylvester Mar 25 '11 at 16:51 — Tim Sylvester, Mar 25 '11 at 16:51

Aleksei Egorov · Answer 1 · 2013-08-07T08:05:33.540

8

public static String stringToHTMLString(String string) {...

The same thing does utility from commons-lang library:

org.apache.commons.lang.StringEscapeUtils.escapeHtml

Just export it in custom tld - and you will get a handy method for jsp.

edited Aug 07 '13 at 08:05

answered May 29 '12 at 10:20

Aleksei Egorov

801
9
16

score 3 · Accepted Answer · answered Nov 30 '08 at 03:20

public static String stringToHTMLString(String string) {
    StringBuffer sb = new StringBuffer(string.length());
    // true if last char was blank
    boolean lastWasBlankChar = false;
    int len = string.length();
    char c;

    for (int i = 0; i < len; i++)
        {
        c = string.charAt(i);
        if (c == ' ') {
            // blank gets extra work,
            // this solves the problem you get if you replace all
            // blanks with &nbsp;, if you do that you loss 
            // word breaking
            if (lastWasBlankChar) {
                lastWasBlankChar = false;
                sb.append("&nbsp;");
                }
            else {
                lastWasBlankChar = true;
                sb.append(' ');
                }
            }
        else {
            lastWasBlankChar = false;
            //
            // HTML Special Chars
            if (c == '"')
                sb.append("&quot;");
            else if (c == '&')
                sb.append("&amp;");
            else if (c == '<')
                sb.append("&lt;");
            else if (c == '>')
                sb.append("&gt;");
            else if (c == '\n')
                // Handle Newline
                sb.append("&lt;br/&gt;");
            else {
                int ci = 0xffff & c;
                if (ci < 160 )
                    // nothing special only 7 Bit
                    sb.append(c);
                else {
                    // Not 7 Bit use the unicode system
                    sb.append("&#");
                    sb.append(new Integer(ci).toString());
                    sb.append(';');
                    }
                }
            }
        }
    return sb.toString();
}

I agree with what Florin has done. I have not seen a buit-in function in Java with JSP or JSTL that does what you're asking. — codefin, Nov 30 '08 at 14:11

score 2 · Answer 3 · answered Jul 29 '14 at 19:10

2

I suggest using escapeXml set to true attribute of JSTL's directly in JSP

<c:out value="${string}" escapeXml="true" />

answered Jul 29 '14 at 19:10

Miron Balcerzak

886
10
21

htmlentities equivalent in JSP?

3 Answers3

Linked