Minor, use "use" to automatically close JarFile

JarFile extends Closeable on JDK 8, so we can use "use" here now
2017-03-29 17:28:18 +03:00
parent cbc893ed17
commit 3b8110f51c
5 changed files with 5 additions and 29 deletions
@@ -77,13 +77,9 @@ class MainClassRunner(override val className: String) : AbstractRunner() {
 class JarRunner(private val path: String) : AbstractRunner() {
    override val className: String =
            try {
-                val jar = JarFile(path)
-                try {
+                JarFile(path).use { jar ->
                    jar.manifest.mainAttributes.getValue(Attributes.Name.MAIN_CLASS)
                }
-                finally {
-                    jar.close()
-                }
            }
            catch (e: IOException) {
                throw RunnerException("could not read manifest from " + path + ": " + e.message)