/** Hooks into populate process to call form populate method if form is an instanceof PojoForm. */
@Override
protected void processPopulate(
HttpServletRequest request,
HttpServletResponse response,
ActionForm form,
ActionMapping mapping)
throws ServletException {
if (form instanceof KualiForm) {
// Add the ActionForm to GlobalVariables
// This will allow developers to retrieve both the Document and any
// request parameters that are not
// part of the Form and make them available in ValueFinder classes
// and other places where they are needed.
KNSGlobalVariables.setKualiForm((KualiForm) form);
}
// if not PojoForm, call struts populate
if (!(form instanceof PojoForm)) {
super.processPopulate(request, response, form, mapping);
return;
}
final String previousRequestGuid =
request.getParameter(
KualiRequestProcessor.PREVIOUS_REQUEST_EDITABLE_PROPERTIES_GUID_PARAMETER_NAME);
((PojoForm) form).clearEditablePropertyInformation();
((PojoForm) form).registerStrutsActionMappingScope(mapping.getScope());
String multipart = mapping.getMultipartClass();
if (multipart != null) {
request.setAttribute(Globals.MULTIPART_KEY, multipart);
}
form.setServlet(this.servlet);
form.reset(mapping, request);
((PojoForm) form).setPopulateEditablePropertiesGuid(previousRequestGuid);
// call populate on ActionForm
((PojoForm) form).populate(request);
request.setAttribute("UnconvertedValues", ((PojoForm) form).getUnconvertedValues().keySet());
request.setAttribute("UnconvertedHash", ((PojoForm) form).getUnconvertedValues());
}
/** @see org.apache.struts.taglib.html.SelectTag#doEndTag() */
public int doEndTag() throws JspException {
int returnVal = super.doEndTag();
if (!getDisabled() && !getReadonly()) {
String name = prepareName();
if (StringUtils.isNotBlank(name)) {
ActionForm form = WebUtils.getKualiForm(pageContext);
if (form != null && form instanceof PojoForm) {
((PojoForm) form).registerEditableProperty(name);
}
}
}
return returnVal;
}
/**
* Hook into action perform to handle errors in the error map and catch exceptions.
*
* <p>A transaction is started prior to the execution of the action. This allows for the action
* code to execute efficiently without the need for using PROPAGATION_SUPPORTS in the transaction
* definitions. The PROPAGATION_SUPPORTS propagation type does not work well with JTA.
*/
@Override
protected ActionForward processActionPerform(
final HttpServletRequest request,
final HttpServletResponse response,
final Action action,
final ActionForm form,
final ActionMapping mapping)
throws IOException, ServletException {
try {
TransactionTemplate template = new TransactionTemplate(getTransactionManager());
ActionForward forward = null;
try {
forward =
(ActionForward)
template.execute(
new TransactionCallback() {
public Object doInTransaction(TransactionStatus status) {
ActionForward actionForward = null;
try {
actionForward = action.execute(mapping, form, request, response);
} catch (Exception e) {
if (e.getMessage() != null
&& e.getMessage()
.equals(KRADConstants.KRAD_INITIATED_DOCUMENT_VIEW_NAME)) {
ConfigurationService kualiConfigurationService =
CoreApiServiceLocator.getKualiConfigurationService();
StringBuffer sb = new StringBuffer();
sb.append(
kualiConfigurationService.getPropertyValueAsString(
KRADConstants.KRAD_URL_KEY));
sb.append(
kualiConfigurationService.getPropertyValueAsString(
KRADConstants.KRAD_INITIATED_DOCUMENT_URL_KEY));
return new ActionForward(
KRADConstants.KRAD_INITIATED_DOCUMENT_VIEW_NAME,
sb.toString(),
true);
}
// the doInTransaction method has no means for
// throwing exceptions, so we will wrap the
// exception in
// a RuntimeException and re-throw. The one caveat
// here is that this will always result in
// the
// transaction being rolled back (since
// WrappedRuntimeException is a runtime exception).
throw new WrappedRuntimeException(e);
}
if (status.isRollbackOnly()) {
// this means that the struts action execution
// caused the transaction to rollback, we want to
// go ahead
// and trigger the rollback by throwing an exception
// here but then return the action forward
// from this method
throw new WrappedActionForwardRuntimeException(actionForward);
}
return actionForward;
}
});
} catch (WrappedActionForwardRuntimeException e) {
forward = e.getActionForward();
}
publishMessages(request);
saveMessages(request);
saveAuditErrors(request);
if (form instanceof PojoForm) {
if (((PojoForm) form).getEditableProperties() == null
|| ((PojoForm) form).getEditableProperties().isEmpty()) {
EditablePropertiesHistoryHolder holder =
(EditablePropertiesHistoryHolder)
GlobalVariables.getUserSession()
.getObjectMap()
.get(KRADConstants.EDITABLE_PROPERTIES_HISTORY_HOLDER_ATTR_NAME);
if (holder == null) {
holder = new EditablePropertiesHistoryHolder();
}
final String guid =
holder.addEditablePropertiesToHistory(((PojoForm) form).getEditableProperties());
((PojoForm) form).setActionEditablePropertiesGuid(guid);
GlobalVariables.getUserSession()
.addObject(KRADConstants.EDITABLE_PROPERTIES_HISTORY_HOLDER_ATTR_NAME, holder);
}
}
return forward;
} catch (Exception e) {
if (e instanceof WrappedRuntimeException) {
e = (Exception) e.getCause();
}
if (e instanceof ValidationException) {
// add a generic error message if there are none
if (GlobalVariables.getMessageMap().hasNoErrors()) {
GlobalVariables.getMessageMap()
.putError(KRADConstants.GLOBAL_ERRORS, RiceKeyConstants.ERROR_CUSTOM, e.getMessage());
}
if (form instanceof PojoForm) {
if (((PojoForm) form).getEditableProperties() == null
|| ((PojoForm) form).getEditableProperties().isEmpty()) {
EditablePropertiesHistoryHolder holder =
(EditablePropertiesHistoryHolder)
GlobalVariables.getUserSession()
.getObjectMap()
.get(KRADConstants.EDITABLE_PROPERTIES_HISTORY_HOLDER_ATTR_NAME);
if (holder == null) {
holder = new EditablePropertiesHistoryHolder();
}
final String guid =
holder.addEditablePropertiesToHistory(((PojoForm) form).getEditableProperties());
((PojoForm) form).setActionEditablePropertiesGuid(guid);
GlobalVariables.getUserSession()
.addObject(KRADConstants.EDITABLE_PROPERTIES_HISTORY_HOLDER_ATTR_NAME, holder);
}
}
// display error messages and return to originating page
publishMessages(request);
return mapping.findForward(RiceConstants.MAPPING_BASIC);
}
publishMessages(request);
return (processException(request, response, e, form, mapping));
}
}
/**
* Hooks into validate to catch any errors from the populate, and translate the ErrorMap to
* ActionMessages.
*/
@Override
protected boolean processValidate(
HttpServletRequest request,
HttpServletResponse response,
ActionForm form,
ActionMapping mapping)
throws IOException, ServletException, InvalidCancelException {
// skip form validate if we had errors from populate
if (GlobalVariables.getMessageMap().hasNoErrors()) {
if (form == null) {
return (true);
}
// Was this request cancelled?
if (request.getAttribute(Globals.CANCEL_KEY) != null) {
if (LOG.isDebugEnabled()) {
LOG.debug(" Cancelled transaction, skipping validation");
}
return (true);
}
// Has validation been turned off for this mapping?
if (!mapping.getValidate()) {
return (true);
}
// call super to call forms validate
super.processValidate(request, response, form, mapping);
}
publishMessages(request);
if (!GlobalVariables.getMessageMap().hasNoErrors()) {
// Special handling for multipart request
if (form.getMultipartRequestHandler() != null) {
if (LOG.isDebugEnabled()) {
LOG.debug(" Rolling back multipart request");
}
form.getMultipartRequestHandler().rollback();
}
// Fix state that could be incorrect because of validation failure
if (form instanceof PojoForm) {
((PojoForm) form).processValidationFail();
}
// Was an input path (or forward) specified for this mapping?
String input = mapping.getInput();
if (input == null) {
if (LOG.isDebugEnabled()) {
LOG.debug(" Validation failed but no input form available");
}
response.sendError(
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
getInternal().getMessage("noInput", mapping.getPath()));
return (false);
}
if (moduleConfig.getControllerConfig().getInputForward()) {
ForwardConfig forward = mapping.findForward(input);
processForwardConfig(request, response, forward);
} else {
internalModuleRelativeForward(input, request, response);
}
return (false);
}
return true;
}
