private static String getExtensionPostfix(TypeElement interface_decl) {
String interface_simple_name = interface_decl.getSimpleName().toString();
Extension extension_annotation = interface_decl.getAnnotation(Extension.class);
if (extension_annotation == null) {
int underscore_index = interface_simple_name.indexOf("_");
if (underscore_index != -1) {
return interface_simple_name.substring(0, underscore_index);
} else {
return "";
}
} else {
return extension_annotation.postfix();
}
}
