From e023e674020f1a435f7b8c8b9276704f576ea6e5 Mon Sep 17 00:00:00 2001 From: CGantert345 <57003061+CGantert345@users.noreply.github.com> Date: Mon, 29 Mar 2021 14:08:45 +0200 Subject: structure change 1 --- .../org/uic/barcode/asn1/datatypes/Asn1Optional.java | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 src/main/java/org/uic/barcode/asn1/datatypes/Asn1Optional.java (limited to 'src/main/java/org/uic/barcode/asn1/datatypes/Asn1Optional.java') diff --git a/src/main/java/org/uic/barcode/asn1/datatypes/Asn1Optional.java b/src/main/java/org/uic/barcode/asn1/datatypes/Asn1Optional.java new file mode 100644 index 0000000..71946ec --- /dev/null +++ b/src/main/java/org/uic/barcode/asn1/datatypes/Asn1Optional.java @@ -0,0 +1,20 @@ +package org.uic.barcode.asn1.datatypes; + +import java.lang.annotation.Documented; +import java.lang.annotation.ElementType; +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.lang.annotation.Target; + +/** + * Indicates that the field is OPTIONAL in ASN.1. Implemented as null. Equivalent to @Nullable. + * + * Using Optional would require Manifests to capture generics (like in Gson). + * + */ +@Target({ElementType.FIELD}) +@Retention(RetentionPolicy.RUNTIME) +@Documented +public @interface Asn1Optional { + +} -- cgit v1.2.3