/**
* if contains one category (and at least one table is menu object), will return true;
*
* @param request
* @param subSystemId
* @return
*/
private boolean containsViewableChildren(HttpServletRequest request, SubSystem ss) {
// Create categories and their tables in hashtable
TableManager manager = TableManager.getInstance();
// Iterator tables = manager.getAllTables().iterator();
// Hashtable categories = new Hashtable(50,20); // key:Integer(category id), values :List of
// table
Integer tableCategoryId;
Table table;
WebAction action;
ArrayList cats = new ArrayList();
Connection conn = null;
try {
UserWebImpl userWeb =
((UserWebImpl)
WebUtils.getSessionContextManager(request.getSession())
.getActor(nds.util.WebKeys.USER));
conn = QueryEngine.getInstance().getConnection();
HashMap webActionEnv = new HashMap();
webActionEnv.put("connection", conn);
webActionEnv.put("httpservletrequest", request);
webActionEnv.put("userweb", userWeb);
List categories = ss.children();
for (int i = 0; i < categories.size(); i++) {
Object o = categories.get(i); // TableCategory or WebAction
if (o instanceof TableCategory) {
TableCategory tc = (TableCategory) o;
List children = tc.children();
ArrayList catschild = new ArrayList();
for (int j = 0; j < children.size(); j++) {
if (children.get(j) instanceof Table) {
table = (Table) children.get(j);
if (!table.isMenuObject()) {
continue;
}
try {
WebUtils.checkTableQueryPermission(table.getName(), request);
} catch (NDSSecurityException e) {
continue;
}
// table is ok for current user to list
return true;
} else if (children.get(j) instanceof WebAction) {
action = (WebAction) children.get(j);
if (action.canDisplay(webActionEnv)) return true;
} else {
throw new NDSRuntimeException(
"Unsupported element in TableCategory children:" + children.get(j).getClass());
}
}
} else if (o instanceof WebAction) {
if (((WebAction) o).canDisplay(webActionEnv)) {
return true;
}
} else {
throw new NDSException(
"Unexpected class in subsystem (id=" + ss.getId() + "), class is " + o.getClass());
}
}
} catch (Throwable t) {
logger.error("Fail to load subsystem tree", t);
} finally {
try {
if (conn != null) conn.close();
} catch (Throwable e) {
}
}
return false;
}
