Java HTML Encode textToHtml(String s)

Description

wrap contents as an html document

License

Apache License

Declaration

public static String textToHtml(String s) 

Method Source Code

//package com.java2s;
/**/*w ww .  ja  v  a  2s  .c o m*/
 * Razvan's public code. Copyright 2008 based on Apache license (share alike) see LICENSE.txt for
 * details.
 */

public class Main {
    /** wrap contents as an html document */
    public static String textToHtml(String s) {
        return stringToHTMLString(s);
    }

    private 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;");
                    sb.append("<br/>");
                else if (c == '\t')
                    sb.append("&nbsp;&nbsp;&nbsp;");
                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();
    }
}

Related

1. htmlspecialchars(String s)
2. htmlspecialchars(String str)
3. textToHtml(final String s)
4. textToHtml(String html)
5. textToHTML(String message)
6. textToHTML(String text)
7. textToHtml(String text)
8. textToHtml(String text)
9. textToHTML(String text)