1 /* 2 * Copyright (c) 2015, 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.security.AccessController; 25 import java.security.PrivilegedAction; 26 import java.lang.System.LoggerFinder; 27 import java.lang.System.Logger; 28 29 public class BaseLoggerFinder extends LoggerFinder implements TestLoggerFinder { 30 31 static final RuntimePermission LOGGERFINDER_PERMISSION = 32 new RuntimePermission("loggerFinder"); 33 @Override 34 public Logger getLogger(String name, Class<?> caller) { 35 SecurityManager sm = System.getSecurityManager(); 36 if (sm != null) { 37 sm.checkPermission(LOGGERFINDER_PERMISSION); 38 } 39 PrivilegedAction<ClassLoader> pa = () -> caller.getClassLoader(); 40 ClassLoader callerLoader = AccessController.doPrivileged(pa); 41 if (callerLoader == null) { 42 return system.computeIfAbsent(name, (n) -> new LoggerImpl(n)); 43 } else { 44 return user.computeIfAbsent(name, (n) -> new LoggerImpl(n)); 45 } 46 } 47 }