private static synchronized String getJavascript() { if (jstext == null) { InputStream istr = null; try { ClassLoader loader = Thread.currentThread().getContextClassLoader(); istr = loader.getResourceAsStream(JAVASCRIPT_RESOURCE); jstext = StringUtil.fromInputStream(istr); istr.close(); } catch (Exception e) { log.error("Can't load javascript", e); } finally { IOUtil.safeClose(istr); } } return jstext; }