1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF 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.slf4j.impl;
20
21 import java.util.Optional;
22
23 import org.apache.maven.logwrapper.LogLevelRecorder;
24 import org.apache.maven.logwrapper.MavenSlf4jWrapperFactory;
25 import org.slf4j.Logger;
26
27 /**
28 * LogFactory for Maven which can create a simple logger or one which, if set, fails the build on a severity threshold.
29 */
30 public class MavenLoggerFactory extends SimpleLoggerFactory implements MavenSlf4jWrapperFactory {
31 private LogLevelRecorder logLevelRecorder = null;
32
33 @Override
34 public void setLogLevelRecorder(LogLevelRecorder logLevelRecorder) {
35 if (this.logLevelRecorder != null) {
36 throw new IllegalStateException("LogLevelRecorder has already been set.");
37 }
38
39 this.logLevelRecorder = logLevelRecorder;
40 }
41
42 @Override
43 public Optional<LogLevelRecorder> getLogLevelRecorder() {
44 return Optional.ofNullable(logLevelRecorder);
45 }
46
47 /**
48 * Return an appropriate {@link MavenSimpleLogger} instance by name.
49 */
50 @Override
51 public Logger getLogger(String name) {
52 return loggerMap.computeIfAbsent(name, this::getNewLoggingInstance);
53 }
54
55 private Logger getNewLoggingInstance(String name) {
56 if (logLevelRecorder == null) {
57 return new MavenSimpleLogger(name);
58 } else {
59 return new MavenFailOnSeverityLogger(name, logLevelRecorder);
60 }
61 }
62 }