protected void appendXPath(StringBuilder sb, String xpath) {
        if (xpath != null && xpath.length() > 0) {
            sb.append(" at ").append(xpath);
        }
    }
protected void appendXPath ( StringBuilder sb , String xpath ) { if ( xpath != null && xpath . length ( ) > 0 ) { sb . append ( " at " ) . append ( xpath ) ; } }
Appends the XPath information for {@link #getShortString} if present.

@param sb the builder to append to
@param xpath the xpath to append, if any

@since XMLUnit 2.4.0