1 /* 2 * Copyright (C) 2009 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 dalvik.system; 18 19 import java.util.logging.Level; 20 import java.util.logging.Logger; 21 22 /** 23 * An optimized handler for efficient publishing of basic log messages. 24 * Implementers should also be subclasses of {@link java.util.logging.Handler}. 25 * 26 * <p>Unlike the default log handler, this API doesn't require intermediate 27 * objects to be allocated for log handling. It also includes a short tag, which 28 * may otherwise need to be calculated for each published message. 29 * 30 * @hide 31 */ 32 public interface DalvikLogHandler { 33 34 /** 35 * Publishes a log message. Unlike {@link 36 * java.util.logging.Handler#publish(java.util.logging.LogRecord)}, this 37 * method includes only the raw log message. Log messages that were created 38 * with additional fields (parameters, source methods, etc.) will flow 39 * through the conventional channels instead. 40 * 41 * @param tag the short (23 characters or fewer) logger tag identifying 42 * {@code logger}. 43 */ publish(Logger source, String tag, Level level, String message)44 void publish(Logger source, String tag, Level level, String message); 45 46 // TODO: support messages with throwables? 47 }