/**
* Get the current ModuleConfig. <br>
* Lookup in the request and do selectModule if not found. The side effect is, that the
* ModuleConfig object is set in the request if it was not present.
*
* @param request Current request.
* @param servletContext Current servlet context*.
* @return The ModuleConfig for current request.
*/
protected ModuleConfig getModuleConfig(
HttpServletRequest request, ServletContext servletContext) {
ModuleConfig moduleConfig = ModuleUtils.getInstance().getModuleConfig(request);
if (moduleConfig == null) {
// ModuleConfig not found in current request. Select it.
ModuleUtils.getInstance().selectModule(request, servletContext);
moduleConfig = ModuleUtils.getInstance().getModuleConfig(request);
}
return moduleConfig;
}
/**
* Retrieve <code>ValidatorResources</code> for the current module.
*
* @param application Application Context
* @param request The ServletRequest
*/
public static ValidatorResources getValidatorResources(
ServletContext application, HttpServletRequest request) {
String prefix = ModuleUtils.getInstance().getModuleConfig(request, application).getPrefix();
return (ValidatorResources) application.getAttribute(ValidatorPlugIn.VALIDATOR_KEY + prefix);
}
/**
* Retrieve <code>MessageResources</code> for the module and bundle.
*
* @param application the servlet context
* @param request the servlet request
* @param bundle the bundle key
*/
public static MessageResources getMessageResources(
ServletContext application, HttpServletRequest request, String bundle) {
if (bundle == null) {
bundle = Globals.MESSAGES_KEY;
}
MessageResources resources = (MessageResources) request.getAttribute(bundle);
if (resources == null) {
ModuleConfig moduleConfig = ModuleUtils.getInstance().getModuleConfig(request, application);
resources = (MessageResources) application.getAttribute(bundle + moduleConfig.getPrefix());
}
if (resources == null) {
resources = (MessageResources) application.getAttribute(bundle);
}
if (resources == null) {
throw new NullPointerException("No message resources found for bundle: " + bundle);
}
return resources;
}
