diff options
| -rw-r--r-- | mullvad-jni/src/into_java.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/mullvad-jni/src/into_java.rs b/mullvad-jni/src/into_java.rs index 952338ccb7..dce4d3e5ff 100644 --- a/mullvad-jni/src/into_java.rs +++ b/mullvad-jni/src/into_java.rs @@ -11,6 +11,21 @@ pub trait IntoJava<'env> { fn into_java(self, env: &JNIEnv<'env>) -> Self::JavaType; } +impl<'env, T> IntoJava<'env> for Option<T> +where + T: IntoJava<'env>, + T::JavaType: From<JObject<'env>>, +{ + type JavaType = T::JavaType; + + fn into_java(self, env: &JNIEnv<'env>) -> Self::JavaType { + match self { + Some(data) => data.into_java(env), + None => T::JavaType::from(JObject::null()), + } + } +} + impl<'env> IntoJava<'env> for String { type JavaType = JString<'env>; |