/* get/create device list entry */
public static GroupList getGroupList(User user, String groupID, boolean createOK)
throws DBException {
// does not return null, if 'createOK' is true
/* User specified? */
if (user == null) {
throw new DBException("User not specified.");
}
String accountID = user.getAccountID();
String userID = user.getUserID();
/* group exists? */
if (StringTools.isBlank(groupID)) {
throw new DBException("DeviceGroup ID not specified.");
} else if (!DeviceGroup.exists(accountID, groupID)) {
throw new DBException("DeviceGroup does not exist: " + accountID + "/" + groupID);
}
/* create/save record */
GroupList.Key grpListKey = new GroupList.Key(accountID, userID, groupID);
if (grpListKey.exists()) { // may throw DBException
// already exists
GroupList listItem = grpListKey.getDBRecord(true);
listItem.setUser(user);
return listItem;
} else if (createOK) {
GroupList listItem = grpListKey.getDBRecord();
listItem.setCreationDefaultValues();
listItem.setUser(user);
return listItem;
} else {
// record doesn't exist, and caller doesn't want us to create it
return null;
}
}
public static boolean exists(String acctID, String userID, String groupID)
throws DBException // if error occurs while testing existance
{
if ((acctID != null) && (userID != null) && (groupID != null)) {
GroupList.Key grpListKey = new GroupList.Key(acctID, userID, groupID);
return grpListKey.exists();
}
return false;
}