public String createDisplayHtml(ToolPageContext page, Object object) throws Exception {
StringWriter sw = new StringWriter();
HtmlWriter writer = new HtmlWriter(sw);
State state = State.getInstance(object);
writer.writeStart("div", "class", "frame");
writer.writeStart("a",
"href", page.toolUrl(getTool(), path,
"id", state != null ? state.getId() : null,
"historyId", page.param(UUID.class, "historyId")));
writer.writeEnd();