private String validateCredentials(String userid, String password) {
if (userid == null) {
return "No userid was specified.";
}
if (password == null) {
return "No password was specified.";
}
String loggedOnUserID = sb.getUserid();
if (loggedOnUserID != null) {
if (!loggedOnUserID.equals(userid)) {
return "User '"
+ loggedOnUserID
+ "' is already logged on in this"
+ " browser instance (in another tab or window)."
+ " Only one user logon per browser "
+ " instance is possible. If you wish to view you work"
+ " queued items via your iGoogle Gadget, please "
+ " logout the currently logged on user first.";
} else sb.setRssAlreadyLoggedOn(true);
} else {
if (rm == null) {
return "Could not connect to work queue, service unavailable.";
}
Participant p = rm.getParticipantFromUserID(userid);
if (p == null) {
return "Unknown userid: " + userid;
}
if (!p.getPassword().equals(password)) {
return "Incorrect password.";
}
if (!rm.hasOrgDataSource()) {
msgPanel.error(
"Missing or invalid organisational data source. The resource"
+ " service requires a connection to a valid data source"
+ " that contains organisational data. Please check the"
+ " settings of the 'OrgDataSource' parameter in the service's"
+ " web.xml to ensure a valid data source is set, and/or check"
+ " the configuration properties set for the data source.");
}
String handle = rm.login(userid, password, sb.getExternalSessionID());
if (!rm.successful(handle)) {
return (msgPanel.format(handle));
}
initSession(p, userid, handle);
}
return success; // successful login
}
private void startAndShow(String userid, WorkItemRecord wir) {
String errMsg = null;
WorkItemRecord startedItem = null;
Participant p = rm.getParticipantFromUserID(userid);
if (wir.hasStatus(WorkItemRecord.statusEnabled) || wir.hasStatus(WorkItemRecord.statusFired)) {
if (wir.hasResourceStatus(WorkItemRecord.statusResourceOffered)
|| wir.hasResourceStatus(WorkItemRecord.statusResourceUnoffered)) {
errMsg = checkParticipantHasQueuedItem(p, wir, WorkQueue.OFFERED);
if (successful(errMsg)) {
errMsg = null;
wir = rm.acceptOffer(p, wir);
if (wir.hasStatus(WorkItemRecord.statusExecuting)) { // system start
startedItem = wir;
}
}
}
if ((errMsg == null) && (startedItem == null)) {
if (wir.hasResourceStatus(WorkItemRecord.statusResourceAllocated)) {
errMsg = checkParticipantHasQueuedItem(p, wir, WorkQueue.ALLOCATED);
if (successful(errMsg)) {
errMsg = null;
if (rm.start(p, wir)) {
startedItem = rm.getExecutingChild(wir);
} else {
errMsg =
"Could not start workitem '"
+ wir.getID()
+ "'. Please see the log files for details.";
}
}
} else {
errMsg =
"Could not allocate workitem '"
+ wir.getID()
+ "'. Please see the log files for details.";
}
}
} else {
if (wir.hasResourceStatus(WorkItemRecord.statusResourceSuspended)) {
errMsg = checkParticipantHasQueuedItem(p, wir, WorkQueue.SUSPENDED);
if (successful(errMsg)) {
errMsg = null;
rm.unsuspendWorkItem(p, wir);
}
}
if (errMsg == null) {
errMsg = checkParticipantHasQueuedItem(p, wir, WorkQueue.STARTED);
if (successful(errMsg)) {
errMsg = null;
startedItem = wir;
}
}
}
if ((errMsg == null) && (startedItem == null)) {
errMsg =
"Could not start workitem '" + wir.getID() + "'. Please see the log files for details.";
}
if (errMsg != null) {
showMessage(errMsg);
} else {
showForm(startedItem);
}
}