Method escapeHTML

output/java8/1.4.17/StringRenderer.java:70–104

(String s)

    }

    public static String escapeHTML(String s) {
        if ( s==null ) {
            return null;
        }

        StringBuilder buf = new StringBuilder(s.length());
        int len = s.length();
        for (int i = 0; i< len; i++) {
            char c = s.charAt(i);
            switch ( c ) {
                case '&' :
                    buf.append("&amp;");
                    break;
                case '<' :
                    buf.append("&lt;");
                    break;
                case '>' :
                    buf.append("&gt;");
                    break;
                case '\r' : case '\n' : case '\t' :
                    buf.append(c);
                    break;
                default:
                    boolean control = c<' '; // 32
                    boolean aboveASCII = c>126;
                    if ( control || aboveASCII ) {
                        buf.append("&#");
                        buf.append((int)c);
                        buf.append(";");
                    }
                    else buf.append(c);
            }
        }
        return buf.toString();
    }
}