1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.utils; 18 19 import com.android.annotations.NonNull; 20 21 /** 22 * Dummy implementation of an {@link ILogger}. 23 * <p/> 24 * Use {@link #getLogger()} to get a default instance of this {@link NullLogger}. 25 */ 26 public class NullLogger implements ILogger { 27 28 private static final ILogger sThis = new NullLogger(); 29 getLogger()30 public static ILogger getLogger() { 31 return sThis; 32 } 33 34 @Override error(Throwable t, String errorFormat, Object... args)35 public void error(Throwable t, String errorFormat, Object... args) { 36 // ignore 37 } 38 39 @Override warning(@onNull String warningFormat, Object... args)40 public void warning(@NonNull String warningFormat, Object... args) { 41 // ignore 42 } 43 44 @Override info(@onNull String msgFormat, Object... args)45 public void info(@NonNull String msgFormat, Object... args) { 46 // ignore 47 } 48 49 @Override verbose(@onNull String msgFormat, Object... args)50 public void verbose(@NonNull String msgFormat, Object... args) { 51 // ignore 52 } 53 54 } 55