1/* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19/** 20 * @author Vitaly A. Provodin 21 */ 22 23/** 24 * Created on 29.01.2005 25 */ 26package org.apache.harmony.jpda.tests.framework; 27 28/** 29 * This class defines minimal set of methods logging test execution. 30 */ 31public abstract class LogWriter { 32 33 protected String prefix; 34 35 /** 36 * Creates instance of the class with given prefix for log messages. 37 * 38 * @param prefix - specifies a prefix string 39 */ 40 public LogWriter(String prefix) { 41 super(); 42 setPrefix(prefix); 43 } 44 45 /** 46 * Returns prefix for messages. 47 * 48 * @return prefix for messages 49 */ 50 public synchronized String getPrefix() { 51 return prefix; 52 } 53 54 /** 55 * Sets prefix for messages. 56 * 57 * @param prefix to be set 58 */ 59 public synchronized void setPrefix(String prefix) { 60 this.prefix = prefix; 61 } 62 63 /** 64 * Prints message to this log. 65 * 66 * @param message message to be printed 67 */ 68 public abstract void printError(String message); 69 70 /** 71 * Prints exception info to this log with explaining message. 72 * 73 * @param message message to be printed 74 * @param throwable exception to be printed 75 */ 76 public abstract void printError(String message, Throwable throwable); 77 78 /** 79 * Prints exception info to this log with explaining message. 80 * 81 * @param throwable exception to be printed 82 */ 83 public abstract void printError(Throwable throwable); 84 85 /** 86 * Prints string to this log w/o line feed. 87 * 88 * @param message message to be printed 89 */ 90 public abstract void print(String message); 91 92 /** 93 * Prints a string to this log with line feed. 94 * 95 * @param message message to be printed 96 */ 97 public abstract void println(String message); 98} 99