public static String percentEncodeUrl(final String urlStr) {
		if (Util.empty(urlStr)) {
			return urlStr;
		}

		try {
			// Avoid double encoding
			String decode = URIUtil.decode(urlStr);
			URI uri = new URI(decode, false);
			return uri.getEscapedURIReference();
		} catch (Exception e) {
			return urlStr;
		}
	}
public static String percentEncodeUrl ( final String urlStr ) { if ( Util . empty ( urlStr ) ) { return urlStr ; } try { String decode = URIUtil . decode ( urlStr ) ; URI uri = new URI ( decode , false ) ; return uri . getEscapedURIReference ( ) ; } catch ( Exception e ) { return urlStr ; } }
Percent encode a URL to include in HTML.

@param urlStr the URL to escape
@return the URL percent encoded