@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);
}
}
}
