1 /* 2 * Copyright (c) 2014, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 27 package sun.util.logger; 28 29 import java.util.Objects; 30 import java.lang.System.Logger; 31 import sun.util.logging.PlatformLoggerBridge; 32 33 /** 34 * An implementation of {@link Logger} that redirects all calls to a wrapped 35 instance of Logger. 36 * 37 * @param <L> Type of the wrapped Logger: {@code Logger} or an 38 * extension of that interface. 39 * @since 1.9 40 */ 41 public class LoggerWrapper<L extends Logger> extends AbstractLoggerWrapper<L> 42 implements Logger, PlatformLoggerBridge { 43 44 final L wrapped; 45 final PlatformLoggerBridge platformProxy; 46 47 public LoggerWrapper(L wrapped) { 48 this(Objects.requireNonNull(wrapped), (Void)null); 49 } 50 51 LoggerWrapper(L wrapped, Void unused) { 52 this.wrapped = wrapped; 53 this.platformProxy = (wrapped instanceof PlatformLoggerBridge) ? 54 (PlatformLoggerBridge) wrapped : null; 55 } 56 57 @Override 58 public final L wrapped() { 59 return wrapped; 60 } 61 62 @Override 63 public final PlatformLoggerBridge platformProxy() { 64 return platformProxy; 65 } 66 67 }