1 /* 2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.io.File; 25 26 /** 27 * Utility class used by tests for java.io.File. 28 */ 29 30 class Util { Util()31 private Util() { } 32 33 /** 34 * Returns {@code true} if the Java virtual machine is running with 35 * privileges (loosely defined here as have write access to /etc/passwd). 36 */ isPrivileged()37 static boolean isPrivileged() { 38 String osname = System.getProperty("os.name"); 39 if (osname.startsWith("Windows")) 40 return false; 41 42 return (new File("/etc/passwd")).canWrite(); 43 } 44 } 45 46