/**
* Fetches the localized name for a form field if one exists in the form field resource bundle. If
* for any reason a localized value cannot be found (e.g. the bundle cannot be found, or does not
* contain the required properties) then null will be returned.
*
* <p>Looks first for a property called {@code beanClassFQN.fieldName} in the resource bundle. If
* that is undefined, it next looks for {@code actionPath.fieldName} and if not defined, looks for
* a property called {@code fieldName}. Will strip any indexing from the field name prior to using
* it to construct property names (e.g. foo[12] will become simply foo).
*
* @param fieldName The name of the field whose localized name to look up
* @param actionPath The action path of the form in which the field is nested. If for some reason
* this is not available, null may be passed without causing errors.
* @param locale The desired locale of the looked up name.
* @return a localized field name if one can be found, or null otherwise.
*/
public static String getLocalizedFieldName(
String fieldName, String actionPath, Class<? extends ActionBean> beanclass, Locale locale) {
ParameterName parameterName = new ParameterName(fieldName);
String strippedName = parameterName.getStrippedName();
String localizedValue = null;
ResourceBundle bundle = null;
try {
bundle =
StripesFilter.getConfiguration()
.getLocalizationBundleFactory()
.getFormFieldBundle(locale);
} catch (MissingResourceException mre) {
log.error(mre);
return null;
}
// First with the bean class
if (beanclass != null) {
try {
localizedValue = bundle.getString(beanclass.getName() + "." + strippedName);
} catch (MissingResourceException mre) {
/* do nothing */
}
}
// Then all by itself
if (localizedValue == null) {
try {
localizedValue = bundle.getString(strippedName);
} catch (MissingResourceException mre2) {
/* do nothing */
}
}
// Lastly, check @Validate on the ActionBean property
if (localizedValue == null && beanclass != null) {
ValidationMetadata validate =
StripesFilter.getConfiguration()
.getValidationMetadataProvider()
.getValidationMetadata(beanclass, parameterName);
if (validate != null && validate.label() != null && !"".equals(validate.label())) {
localizedValue = validate.label();
}
}
return localizedValue;
}
/**
* Looks up the specified key in the error message resource bundle. If the bundle is missing or if
* the resource cannot be found, will return null instead of throwing an exception.
*
* @param locale the locale in which to lookup the resource
* @param key the exact resource key to lookup
* @return the resource String or null
*/
public static String getErrorMessage(Locale locale, String key) {
try {
Configuration config = StripesFilter.getConfiguration();
ResourceBundle bundle = config.getLocalizationBundleFactory().getErrorMessageBundle(locale);
return bundle.getString(key);
} catch (MissingResourceException mre) {
return null;
}
}
/**
* calling injectors post creation on Action beans and Interceptors
*
* @param context
* @return
* @throws Exception
*/
public Resolution intercept(ExecutionContext context) throws Exception {
Configuration conf = StripesFilter.getConfiguration();
FilterConfig filterConfig = conf.getBootstrapPropertyResolver().getFilterConfig();
String className = filterConfig.getInitParameter(INJECTOR_FACTORY_CLASS);
String methodName = filterConfig.getInitParameter(INJECTOR_FACTORY_METHOD);
Injector injector = null;
try {
Class clazz = Class.forName(className);
Method method = clazz.getMethod(methodName);
injector = (Injector) method.invoke(null);
} catch (ClassNotFoundException e) {
log.error("Injector factory class not found - " + className, e);
throw new Exception("Injector factory class not found - " + methodName, e);
} catch (NoSuchMethodException e) {
log.error("Injector factory method not found - " + methodName + " in class " + className, e);
throw new Exception(
"Injector factory method not found - " + methodName + " in class " + className, e);
} catch (SecurityException e) {
log.error(
"SecurityException when trying to invoke - " + methodName + " in class " + className, e);
throw new Exception(
"SecurityException when trying to invoke - " + methodName + " in class " + className, e);
} catch (IllegalAccessException e) {
log.error(
"IllegalAccessException when trying to invoke - " + methodName + " in class " + className,
e);
throw new Exception(
"IllegalAccessException when trying to invoke - " + methodName + " in class " + className,
e);
} catch (IllegalArgumentException e) {
log.error(
"IllegalArgumentException when trying to invoke - "
+ methodName
+ " in class "
+ className,
e);
throw new Exception(
"IllegalArgumentException when trying to invoke - "
+ methodName
+ " in class "
+ className,
e);
} catch (InvocationTargetException e) {
log.error(
"InvocationTargetException when trying to invoke - "
+ methodName
+ " in class "
+ className,
e);
throw new Exception(
"InvocationTargetException when trying to invoke - "
+ methodName
+ " in class "
+ className,
e);
}
// if (context.getActionBean() != null) injector.injectMembers(context.getActionBean());
if (context.getActionBeanContext() != null)
injector.injectMembers(context.getActionBeanContext());
for (Interceptor interceptor : conf.getInterceptors(context.getLifecycleStage())) {
if (interceptor != null) injector.injectMembers(interceptor);
}
return context.proceed();
}