@SuppressWarnings("unchecked") public void execute( Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body) throws TemplateException, IOException { String s = DirectiveUtils.getString(PARAM_S, params); Integer len = DirectiveUtils.getInt(PARAM_LEN, params); String append = DirectiveUtils.getString(PARAM_APPEND, params); if (s != null) { Writer out = env.getOut(); if (len != null) { out.append(StrUtils.textCut(s, len, append)); } else { out.append(s); } } }