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 libcore.io; 18 19 import java.util.Base64; 20 21 public final class DropBox { 22 23 /** 24 * Hook for customizing how events are reported. 25 */ 26 private static volatile Reporter REPORTER = new DefaultReporter(); 27 28 /** 29 * Used to replace default Reporter for logging events. Must be non-null. 30 */ setReporter(Reporter reporter)31 public static void setReporter(Reporter reporter) { 32 if (reporter == null) { 33 throw new NullPointerException("reporter == null"); 34 } 35 REPORTER = reporter; 36 } 37 38 /** 39 * Returns non-null Reporter. 40 */ getReporter()41 public static Reporter getReporter() { 42 return REPORTER; 43 } 44 45 /** 46 * Interface to allow customization of reporting behavior. 47 */ 48 public static interface Reporter { addData(String tag, byte[] data, int flags)49 public void addData(String tag, byte[] data, int flags); addText(String tag, String data)50 public void addText(String tag, String data); 51 } 52 53 /** 54 * Default Reporter which reports events to the log. 55 */ 56 private static final class DefaultReporter implements Reporter { 57 addData(String tag, byte[] data, int flags)58 public void addData(String tag, byte[] data, int flags) { 59 System.out.println(tag + ": " + Base64.getEncoder().encodeToString(data)); 60 } 61 addText(String tag, String data)62 public void addText(String tag, String data) { 63 System.out.println(tag + ": " + data); 64 } 65 } 66 addData(String tag, byte[] data, int flags)67 public static void addData(String tag, byte[] data, int flags) { 68 getReporter().addData(tag, data, flags); 69 } 70 addText(String tag, String data)71 public static void addText(String tag, String data) { 72 getReporter().addText(tag, data); 73 } 74 } 75