@Override
protected View createFallbackView(String viewName) throws Exception {
GrailsWebRequest webRequest = GrailsWebRequest.lookup();
String[] viewNameParts = splitViewName(viewName);
if (viewNameParts.length == 1) {
viewName = WebUtils.addViewPrefix(viewName, webRequest.getControllerName());
viewNameParts = splitViewName(viewName);
}
View v = scaffoldedViews.get(viewName);
if (v == null) {
GrailsDomainClass domainClass = scaffoldedDomains.get(viewNameParts[0]);
if (domainClass != null) {
String viewCode = null;
try {
viewCode = generateViewSource(viewNameParts[1], domainClass);
} catch (Exception e) {
log.error("Error generating scaffolded view [" + viewName + "]: " + e.getMessage(), e);
}
if (StringUtils.hasLength(viewCode)) {
v = createScaffoldedView(viewName, viewCode);
scaffoldedViews.put(viewName, v);
}
}
}
if (v != null) {
return v;
}
return super.createFallbackView(viewName);
}
@Override
protected View loadView(String viewName, Locale locale) throws Exception {
final View resolvedView = super.loadView(viewName, locale);
if (templateGenerator == null || resolvedView instanceof GroovyPageView) {
return resolvedView;
}
GrailsWebRequest webRequest = WebUtils.retrieveGrailsWebRequest();
List<String> controllerActions = scaffoldedActionMap.get(webRequest.getControllerName());
if (controllerActions != null && controllerActions.contains(webRequest.getActionName())) {
GrailsDomainClass domainClass = scaffoldedDomains.get(webRequest.getControllerName());
if (domainClass != null) {
String viewFileName;
final int i = viewName.lastIndexOf('/');
if (i > -1) {
viewFileName = viewName.substring(i, viewName.length());
} else {
viewFileName = viewName;
}
final ViewKey viewKey = new ViewKey(webRequest.getControllerName(), viewFileName);
View v = scaffoldedViews.get(viewKey);
if (v == null) {
String viewCode = null;
try {
viewCode = generateViewSource(webRequest, domainClass);
} catch (Exception e) {
GrailsUtil.deepSanitize(e);
LOG.error("Error generating scaffolded view [" + viewName + "]: " + e.getMessage(), e);
return resolvedView;
}
v = createScaffoldedView(viewName, viewCode);
scaffoldedViews.put(viewKey, v);
}
if (v != null) {
return v;
}
}
}
return resolvedView;
}
public Object invoke(Object target, String methodName, Object[] arguments) {
if (arguments.length == 0)
throw new MissingMethodException(METHOD_SIGNATURE, target.getClass(), arguments);
Map argMap = arguments[0] instanceof Map ? (Map) arguments[0] : Collections.EMPTY_MAP;
if (argMap.size() == 0) {
throw new MissingMethodException(METHOD_SIGNATURE, target.getClass(), arguments);
}
GrailsWebRequest webRequest =
(GrailsWebRequest) RequestContextHolder.currentRequestAttributes();
HttpServletRequest request = webRequest.getCurrentRequest();
HttpServletResponse response = webRequest.getCurrentResponse();
if (request.getAttribute(GRAILS_REDIRECT_ISSUED) != null) {
throw new CannotRedirectException(
"Cannot issue a redirect(..) here. A previous call to redirect(..) has already redirected the response.");
}
if (response.isCommitted()) {
throw new CannotRedirectException(
"Cannot issue a redirect(..) here. The response has already been committed either by another redirect or by directly writing to the response.");
}
Object actionRef = argMap.get(ARGUMENT_ACTION);
String controllerName = getControllerName(target, argMap);
Object id = argMap.get(ARGUMENT_ID);
String frag =
argMap.get(ARGUMENT_FRAGMENT) != null ? argMap.get(ARGUMENT_FRAGMENT).toString() : null;
Object uri = argMap.get(ARGUMENT_URI);
String url = argMap.containsKey(ARGUMENT_URL) ? argMap.get(ARGUMENT_URL).toString() : null;
Map params = (Map) argMap.get(ARGUMENT_PARAMS);
if (params == null) params = new HashMap();
Errors errors = (Errors) argMap.get(ARGUMENT_ERRORS);
GroovyObject controller = (GroovyObject) target;
// if there are errors add it to the list of errors
Errors controllerErrors =
(Errors) controller.getProperty(ControllerDynamicMethods.ERRORS_PROPERTY);
if (controllerErrors != null) {
controllerErrors.addAllErrors(errors);
} else {
controller.setProperty(ControllerDynamicMethods.ERRORS_PROPERTY, errors);
}
String actualUri;
GrailsApplicationAttributes attrs = webRequest.getAttributes();
if (uri != null) {
actualUri = attrs.getApplicationUri(request) + uri.toString();
} else if (url != null) {
actualUri = url;
} else {
String actionName = establishActionName(actionRef, target, webRequest);
controllerName = controllerName != null ? controllerName : webRequest.getControllerName();
if (LOG.isDebugEnabled()) {
LOG.debug(
"Dynamic method [redirect] looking up URL mapping for controller ["
+ controllerName
+ "] and action ["
+ actionName
+ "] and params ["
+ params
+ "] with ["
+ urlMappingsHolder
+ "]");
}
try {
if (id != null) params.put(ARGUMENT_ID, id);
UrlCreator urlMapping =
urlMappingsHolder.getReverseMapping(controllerName, actionName, params);
if (LOG.isDebugEnabled() && urlMapping == null) {
LOG.debug("Dynamic method [redirect] no URL mapping found for params [" + params + "]");
}
actualUri =
urlMapping.createURL(
controllerName, actionName, params, request.getCharacterEncoding(), frag);
if (LOG.isDebugEnabled()) {
LOG.debug("Dynamic method [redirect] mapped to URL [" + actualUri + "]");
}
} finally {
if (id != null) params.remove(ARGUMENT_ID);
}
}
return redirectResponse(actualUri, request, response);
}