From 25c830b9d5e91ded3e3cabf45fb20988198c1c0a Mon Sep 17 00:00:00 2001 From: Paul Sandoz Date: Tue, 2 Oct 2012 10:36:05 +0100 Subject: [PATCH] 7197642: (sl) ServiceLoader.load(null) doesn't throw NPE Reviewed-by: alanb --- .../classes/java/util/ServiceLoader.java | 2 +- jdk/test/java/util/ServiceLoader/NPE.java | 67 +++++++++++++++++++ 2 files changed, 68 insertions(+), 1 deletion(-) create mode 100644 jdk/test/java/util/ServiceLoader/NPE.java diff --git a/jdk/src/share/classes/java/util/ServiceLoader.java b/jdk/src/share/classes/java/util/ServiceLoader.java index 62aa9dd2453..067537a213d 100644 --- a/jdk/src/share/classes/java/util/ServiceLoader.java +++ b/jdk/src/share/classes/java/util/ServiceLoader.java @@ -213,7 +213,7 @@ public final class ServiceLoader } private ServiceLoader(Class svc, ClassLoader cl) { - service = svc; + service = Objects.requireNonNull(svc, "Service interface cannot be null"); loader = cl; reload(); } diff --git a/jdk/test/java/util/ServiceLoader/NPE.java b/jdk/test/java/util/ServiceLoader/NPE.java new file mode 100644 index 00000000000..e2e767b2d74 --- /dev/null +++ b/jdk/test/java/util/ServiceLoader/NPE.java @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/** + * @test + * @bug 7197642 + * @summary test ServiceLoader.load methods for NullPointerException. + */ +import java.util.ServiceLoader; +import java.util.Arrays; + +public final class NPE { + static abstract class Test { + String name; + + Test(String name) { this.name = name; } + + abstract void run(); + } + + static Test load = new Test("ServiceLoader.load(null)") { + void run() { ServiceLoader.load(null); } + }; + + static Test loadWithClassLoader = new Test("ServiceLoader.load(null, loader)") { + void run() { ServiceLoader.load(null, NPE.class.getClassLoader()); } + }; + + static Test loadInstalled = new Test("ServiceLoader.loadInstalled(null)") { + void run() { ServiceLoader.loadInstalled(null); } + }; + + public static void main(String[] args) throws Exception { + for (Test t : Arrays.asList(load, loadWithClassLoader, loadInstalled)) { + NullPointerException caught = null; + try { + t.run(); + } catch (NullPointerException e) { + caught = e; + } + if (caught == null) { + throw new RuntimeException("NullPointerException expected for method invocation of " + t.name); + } + } + } +} +