Add java.nio.file.attribute.UserDefinedFileAttributeView (#1783)

CHANGELOG.md

@@ -9,6 +9,7 @@ A preview of the next release can be installed from
 
 ## Unreleased
 
+- [#1777] Add java.nio.file.attribute.UserDefinedFileAttributeView
 - [#1776] Add java.nio.file.attribute.PosixFileAttributes
 - [#1761] Support calling `clojure.lang.RT/iter`
 - [#1760] For compatibility with [Fireworks v0.10.3](https://github.com/paintparty/fireworks), added the following to `:instance-checks` entry in `babashka.impl.classes/classes`([@paintparty](https://github.com/paintparty))

src/babashka/impl/classes.clj

@@ -410,7 +410,8 @@
                 java.nio.file.attribute.FileTime
                 java.nio.file.attribute.PosixFileAttributes
                 java.nio.file.attribute.PosixFilePermission
-                java.nio.file.attribute.PosixFilePermissions])
+                java.nio.file.attribute.PosixFilePermissions
+                java.nio.file.attribute.UserDefinedFileAttributeView])
           java.security.DigestInputStream
           java.security.KeyFactory
           java.security.KeyPairGenerator
@@ -765,6 +766,8 @@
                                    java.nio.file.attribute.PosixFileAttributes
                                    (instance? java.nio.file.attribute.BasicFileAttributes v)
                                    java.nio.file.attribute.BasicFileAttributes
+                                   (instance? java.nio.file.attribute.UserDefinedFileAttributeView v)
+                                   java.nio.file.attribute.UserDefinedFileAttributeView
                                    (instance? java.util.concurrent.Future v)
                                    java.util.concurrent.Future
                                    (instance? java.util.concurrent.ScheduledExecutorService v)

test-resources/extended-attributes.txt

@@ -0,0 +1 @@
+42

test/babashka/interop_test.clj

@@ -209,3 +209,17 @@
                                             (into-array LinkOption []))
                       .permissions
                       type)))))))
+
+(deftest extended-attributes
+  (is (true?
+       (bb nil
+           '(do
+             (import
+              [java.nio.file Files LinkOption Path]
+              [java.nio.file.attribute UserDefinedFileAttributeView])
+             (instance? UserDefinedFileAttributeView
+                        (Files/getFileAttributeView (Path/of "test-resources/extended-attributes.txt"
+                                                             (into-array String []))
+                                                    UserDefinedFileAttributeView
+                                                    ^"[Ljava.nio.file.LinkOption;"
+                                                    (into-array LinkOption []))))))))