/**
* @see Action#execute(ActionMapping, ActionForm, HttpServletRequest, HttpServletResponse)
* @param actionMapping The ActionMapping used to select this instance
* @param actionForm The optional ActionForm bean for this request (if any)
* @param request The request we are processing
* @param response The response we are creating
* @pre actionForm instanceof CrudDynaActionForm;
* @pre ; actionMapping contains forward with name "success"
* @throws TechnicalException A fatal error from which recovery is not possible.
*/
public final ActionForward execute(
final ActionMapping actionMapping,
final ActionForm actionForm,
final HttpServletRequest request,
final HttpServletResponse response)
throws TechnicalException {
if (LOG.isDebugEnabled()) {
LOG.debug("start action request processing ..."); // $NON-NLS-1$
}
assert actionForm instanceof CrudDynaActionForm;
CrudDynaActionForm form = ((CrudDynaActionForm) actionForm);
ActionForward forward = actionMapping.findForward(ILLEGAL_ACCESS);
if (requestParamExistsAndIsNotEmpty(REQUEST_MODE_CANCEL_NEW, request)) {
String referer = request.getParameter("referer"); // $NON-NLS-1$
referer = referer.replaceAll("https?://.*/.*/", "/"); // $NON-NLS-1$ //$NON-NLS-2$
forward = new ActionForward(referer, true);
} else { // handle each mode, after checking that this user has the rights
try {
if (requestParamExistsAndIsNotEmpty(REQUEST_MODE_EDIT, request)) {
if ((getSecurityStrategy() != null)
&& getSecurityStrategy().hasEditRights(request, actionMapping, actionForm)) {
forward = actionMapping.getInputForward();
templateRetrieve(form, true, request);
}
} else if (requestParamExistsAndIsNotEmpty(REQUEST_MODE_NEW, request)) {
if ((getSecurityStrategy() != null)
&& getSecurityStrategy().hasNewRights(request, actionMapping, actionForm)) {
forward = actionMapping.getInputForward();
templateNew(form, request);
}
} else if (requestParamExistsAndIsNotEmpty(REQUEST_MODE_UPDATE, request)) {
if ((getSecurityStrategy() != null)
&& getSecurityStrategy().hasUpdateRights(request, actionMapping, actionForm)) {
forward = actionMapping.getInputForward();
templateUpdate(form, request); // return to edit mode on errors
}
} else if (requestParamExistsAndIsNotEmpty(REQUEST_MODE_CREATE, request)) {
if ((getSecurityStrategy() != null)
&& getSecurityStrategy().hasCreateRights(request, actionMapping, actionForm)) {
forward = actionMapping.getInputForward();
templateCreate(form, request);
}
} else if (requestParamExistsAndIsNotEmpty(REQUEST_MODE_DELETE, request)) {
if ((getSecurityStrategy() != null)
&& getSecurityStrategy().hasDeleteRights(request, actionMapping, actionForm)) {
forward = actionMapping.getInputForward();
templateDelete(form, request);
}
} else { // display mode
if (LOG.isDebugEnabled()
&& !requestParamExistsAndIsNotEmpty(REQUEST_MODE_DISPLAY, request)) {
LOG.debug(
"no dispatch parameter match found; " //$NON-NLS-1$
+ "doing default display retrieve"); //$NON-NLS-1$
}
if ((getSecurityStrategy() != null)
&& getSecurityStrategy().hasDisplayRigths(request, actionMapping, actionForm)) {
forward = actionMapping.getInputForward();
templateRetrieve(form, false, request);
}
}
form.releaseBean();
if (getSecurityStrategy() != null) {
// which buttons do we want to show on the next page?
form.setCreateable(
getSecurityStrategy().hasCreateRights(request, actionMapping, actionForm));
form.setEditable(getSecurityStrategy().hasEditRights(request, actionMapping, actionForm));
form.setDeleteable(
getSecurityStrategy().hasDeleteRights(request, actionMapping, actionForm));
} else { // no security strategy: all is allowed
form.setCreateable(true);
form.setEditable(true);
form.setDeleteable(true);
}
} catch (IdException idExc) {
if (LOG.isDebugEnabled()) {
LOG.debug("id exception", idExc); // $NON-NLS-1$
}
request.setAttribute(REQUEST_ATTRIBUTE_KEY_NOTFOUND, idExc);
forward = actionMapping.findForward(FORWARD_NOTFOUND);
} catch (CompoundPropertyException cpExc) {
if (LOG.isDebugEnabled()) {
LOG.debug("property exception", cpExc); // $NON-NLS-1$
}
assert cpExc.isClosed();
form.setCompoundPropertyException(cpExc);
forward = actionMapping.getInputForward();
form.releaseBean();
}
}
if (LOG.isDebugEnabled()) {
LOG.debug(
"action request processing completed; forward = " //$NON-NLS-1$
+ forward.toString());
}
return forward;
}
