| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.logging; |
| 20 | |
| 21 | import com.google.common.base.Throwables; |
| 22 | |
| 23 | /** |
| 24 | * <tt>Logger</tt> that logs to the console |
| 25 | * <p /> |
| 26 | * Useful to get baseline performance unaffected by logging. |
| 27 | * |
| 28 | * @author Adrian Cole |
| 29 | * |
| 30 | */ |
| 31 | public class ConsoleLogger implements Logger { |
| 32 | |
| 33 | /** |
| 34 | * {@inheritDoc} |
| 35 | */ |
| 36 | @Override |
| 37 | public void debug(String message, Object... args) { |
| 38 | |
| 39 | } |
| 40 | |
| 41 | /** |
| 42 | * {@inheritDoc} |
| 43 | */ |
| 44 | @Override |
| 45 | public void error(String message, Object... args) { |
| 46 | System.err.printf(String.format("ERROR: %s%n", message), args); |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * {@inheritDoc} |
| 51 | */ |
| 52 | @Override |
| 53 | public void error(Throwable throwable, String message, Object... args) { |
| 54 | System.err.printf(String.format("ERROR: %s%n%s", message, Throwables |
| 55 | .getStackTraceAsString(throwable)), args); |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * {@inheritDoc} |
| 60 | */ |
| 61 | @Override |
| 62 | public String getCategory() { |
| 63 | return null; |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * {@inheritDoc} |
| 68 | */ |
| 69 | @Override |
| 70 | public void info(String message, Object... args) { |
| 71 | System.err.printf(String.format("INFO: %s%n", message), args); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * {@inheritDoc} |
| 76 | */ |
| 77 | @Override |
| 78 | public boolean isDebugEnabled() { |
| 79 | return false; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * {@inheritDoc} |
| 84 | */ |
| 85 | @Override |
| 86 | public boolean isErrorEnabled() { |
| 87 | |
| 88 | return true; |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * {@inheritDoc} |
| 93 | */ |
| 94 | @Override |
| 95 | public boolean isInfoEnabled() { |
| 96 | |
| 97 | return true; |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * {@inheritDoc} |
| 102 | */ |
| 103 | @Override |
| 104 | public boolean isTraceEnabled() { |
| 105 | |
| 106 | return false; |
| 107 | } |
| 108 | |
| 109 | /** |
| 110 | * {@inheritDoc} |
| 111 | */ |
| 112 | @Override |
| 113 | public boolean isWarnEnabled() { |
| 114 | |
| 115 | return true; |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * {@inheritDoc} |
| 120 | */ |
| 121 | @Override |
| 122 | public void trace(String message, Object... args) { |
| 123 | |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * {@inheritDoc} |
| 128 | */ |
| 129 | @Override |
| 130 | public void warn(String message, Object... args) { |
| 131 | System.err.printf(String.format("WARN: %s%n", message), args); |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * {@inheritDoc} |
| 136 | */ |
| 137 | @Override |
| 138 | public void warn(Throwable throwable, String message, Object... args) { |
| 139 | System.err.printf(String.format("WARN: %s%n%s", message, Throwables |
| 140 | .getStackTraceAsString(throwable)), args); |
| 141 | } |
| 142 | |
| 143 | } |