/* * Copyright (C) 2012 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package libcore.io; public final class EventLogger { /** * Hook for customizing how events are reported. */ private static volatile Reporter REPORTER = new DefaultReporter(); /** * Used to replace default Reporter for logging events. Must be non-null. */ public static void setReporter(Reporter reporter) { if (reporter == null) { throw new NullPointerException("reporter == null"); } REPORTER = reporter; } /** * Returns non-null Reporter. */ public static Reporter getReporter() { return REPORTER; } /** * Interface to allow customization of reporting behavior. */ public static interface Reporter { public void report (int code, Object... list); } /** * Default Reporter which reports events to the log. */ private static final class DefaultReporter implements Reporter { @Override public void report (int code, Object... list) { StringBuilder sb = new StringBuilder(); sb.append(code); for (Object o : list) { sb.append(","); sb.append(o.toString()); } System.out.println(sb); } } public static void writeEvent(int code, Object... list) { getReporter().report(code, list); } }