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Java example source code file (GetPackage.java)
The GetPackage.java Java example source code/* * Copyright (c) 1999, 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 4256589 * @summary Test if getPackage() and getPackages() * return consistent values. */ public class GetPackage { public static void main(String arg[]) throws Exception { TestClassLoader parent = new TestClassLoader(); TestClassLoader child = new TestClassLoader(parent); // child define a package first child.defineEmptyPackage("foo"); // parent then define another package with the same name parent.defineEmptyPackage("foo"); if (!child.testPackageView("foo")) throw new Exception("Inconsistent packages view"); } } class TestClassLoader extends ClassLoader { public TestClassLoader() { super(); } public TestClassLoader(ClassLoader parent) { super(parent); } public Package defineEmptyPackage(String name) { return definePackage(name, null, null, null, null, null, null, null); } /* test to see if getPackage() and getPackages() * are consistent. */ public boolean testPackageView(String name) { Package[] pkgs = getPackages(); Package pkg = getPackage(name); for(int i = 0; i < pkgs.length; i++) if (pkgs[i].getName().equals(name) && pkgs[i] == pkg) return true; return false; } } Other Java examples (source code examples)Here is a short list of links related to this Java GetPackage.java source code file: |
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