1 package org.codehaus.plexus.logging;
2
3 /*
4 * Copyright 2001-2006 Codehaus Foundation.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * 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, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 /**
20 * @author Jason van Zyl
21 * @author <a href="mailto:trygvis@inamo.no">Trygve Laugstøl</a>
22 */
23 public abstract class AbstractLogEnabled implements LogEnabled {
24 private Logger logger;
25
26 public void enableLogging(Logger logger) {
27 this.logger = logger;
28 }
29
30 protected Logger getLogger() {
31 return logger;
32 }
33
34 protected void setupLogger(Object component) {
35 setupLogger(component, logger);
36 }
37
38 protected void setupLogger(Object component, String subCategory) {
39 if (subCategory == null) {
40 throw new IllegalStateException("Logging category must be defined.");
41 }
42
43 Logger logger = this.logger.getChildLogger(subCategory);
44
45 setupLogger(component, logger);
46 }
47
48 protected void setupLogger(Object component, Logger logger) {
49 if (component instanceof LogEnabled) {
50 ((LogEnabled) component).enableLogging(logger);
51 }
52 }
53 }