# HG changeset patch # User mchung # Date 1473453888 25200 # Node ID aa5e0497d49763c58dd980667210f0b752b4a036 # Parent ae24301482320a3084681e3e4f10915e2b85a339 8165346: j.l.ClassLoader.getDefinedPackage(String) throws NPE Reviewed-by: alanb, lancea, shade diff -r ae2430148232 -r aa5e0497d497 jdk/src/java.base/share/classes/java/lang/ClassLoader.java --- a/jdk/src/java.base/share/classes/java/lang/ClassLoader.java Fri Sep 09 16:24:24 2016 -0400 +++ b/jdk/src/java.base/share/classes/java/lang/ClassLoader.java Fri Sep 09 13:44:48 2016 -0700 @@ -1922,9 +1922,14 @@ * @return The {@code Package} of the given name defined by this class loader, * or {@code null} if not found * + * @throws NullPointerException + * if {@code name} is {@code null}. + * * @since 9 */ public final Package getDefinedPackage(String name) { + Objects.requireNonNull(name, "name cannot be null"); + NamedPackage p = packages.get(name); if (p == null) return null; @@ -1962,6 +1967,9 @@ * @return The {@code Package} corresponding to the given name defined by * this class loader or its ancestors, or {@code null} if not found. * + * @throws NullPointerException + * if {@code name} is {@code null}. + * * @deprecated * If multiple class loaders delegate to each other and define classes * with the same package name, and one such loader relies on the lookup diff -r ae2430148232 -r aa5e0497d497 jdk/src/java.base/share/classes/java/lang/Package.java --- a/jdk/src/java.base/share/classes/java/lang/Package.java Fri Sep 09 16:24:24 2016 -0400 +++ b/jdk/src/java.base/share/classes/java/lang/Package.java Fri Sep 09 13:44:48 2016 -0700 @@ -317,6 +317,9 @@ * @return The {@code Package} of the given name defined by the caller's * class loader or its ancestors, or {@code null} if not found. * + * @throws NullPointerException + * if {@code name} is {@code null}. + * * @deprecated * If multiple class loaders delegate to each other and define classes * with the same package name, and one such loader relies on the lookup diff -r ae2430148232 -r aa5e0497d497 jdk/test/java/lang/ClassLoader/GetDefinedPackage.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/test/java/lang/ClassLoader/GetDefinedPackage.java Fri Sep 09 13:44:48 2016 -0700 @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2016, 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 8165346 + * @summary Basic test for ClassLoader::getDefinedPackage + */ + +public class GetDefinedPackage { + public static void main(String... args) { + TestClassLoader loader = new TestClassLoader(); + Package pkg = loader.getDefinedPackage(TestClassLoader.PKG_NAME); + if (pkg == null) { + throw new RuntimeException("package foo not found"); + } + + try { + loader.getDefinedPackage(null); + throw new RuntimeException("NullPointerException not thrown"); + } catch (NullPointerException e) { + } + } + + static class TestClassLoader extends ClassLoader { + public static final String PKG_NAME = "foo"; + + public TestClassLoader() { + super(); + definePackage(PKG_NAME); + } + + public Package definePackage(String name) { + return definePackage(name, null, null, null, null, null, null, null); + } + } +}