public static boolean basicValidateFiles(
ActionErrors actionErrors,
Number fieldId,
ActionForm form,
IGTEntity entity,
String[] extensions)
throws GTClientException {
try {
boolean newEntity = entity.isNewEntity();
if (!(form instanceof GTActionFormBase)) {
throw new java.lang.UnsupportedOperationException(
"Form must be a subclass of GTActionFormBase");
}
IGTFieldMetaInfo fmi = entity.getFieldMetaInfo(fieldId);
if (fmi == null) {
throw new java.lang.NullPointerException(
"No fieldMetaInfo for field:" + fieldId + " of entity " + entity);
}
if ((!fmi.isDisplayable(newEntity)) || (!fmi.isEditable(newEntity))) {
return true;
}
String fieldName = fmi.getFieldName(); // 20030410AH
FormFileElement[] elements =
((GTActionFormBase) form).getFormFileElements(fieldName); // 20030410AH
if (fmi.isMandatory(newEntity)) {
if ((elements == null) || (elements.length == 0)) {
addFieldError(actionErrors, fieldName, entity.getType(), REQUIRED, null); // 20021220AH
return false;
}
}
if (extensions != null) { // 20030410AH - Check file extensions are of those allowed
boolean allOk = true;
if (elements != null) {
for (int i = 0; i < elements.length; i++) {
String filename = elements[i].getFileName();
if (filename == null)
throw new NullPointerException("Internal assertion failure: filename is null");
String extension = StaticUtils.getFileExtension(filename);
if (StaticUtils.findValueInArray(extensions, extension, false) == -1) {
String[] params = new String[] {filename};
addFieldError(actionErrors, fieldName, entity.getType(), INVALID_EXTENSION, params);
return false;
}
}
}
}
return true;
} catch (Throwable t) {
throw new GTClientException("Error validating file field:" + fieldId, t);
}
}
