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1   /**
2    * Copyright (c) 2012-2013, JCabi.com
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met: 1) Redistributions of source code must retain the above
8    * copyright notice, this list of conditions and the following
9    * disclaimer. 2) Redistributions in binary form must reproduce the above
10   * copyright notice, this list of conditions and the following
11   * disclaimer in the documentation and/or other materials provided
12   * with the distribution. 3) Neither the name of the jcabi.com nor
13   * the names of its contributors may be used to endorse or promote
14   * products derived from this software without specific prior written
15   * permission.
16   *
17   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
19   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21   * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
22   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
28   * OF THE POSSIBILITY OF SUCH DAMAGE.
29   */
30  package org.slf4j.impl;
31  
32  import lombok.EqualsAndHashCode;
33  import lombok.ToString;
34  import org.apache.maven.plugin.logging.Log;
35  import org.apache.maven.plugin.logging.SystemStreamLog;
36  import org.slf4j.ILoggerFactory;
37  import org.slf4j.Logger;
38  
39  /**
40   * Implementation of {@link ILoggerFactory} returning the appropriate
41   * named {@link Slf4jAdapter} instance.
42   *
43   * <p>The class is thread-safe.
44   *
45   * @author Yegor Bugayenko (yegor@tpc2.com)
46   * @version $Id$
47   * @since 0.1.6
48   * @see <a href="http://www.slf4j.org/faq.html#slf4j_compatible">SLF4J FAQ</a>
49   */
50  @ToString
51  @EqualsAndHashCode
52  final class JcabiLoggers implements ILoggerFactory {
53  
54      /**
55       * Maven log.
56       */
57      private transient Log mlog = new SystemStreamLog();
58  
59      /**
60       * {@inheritDoc}
61       */
62      @Override
63      public Logger getLogger(final String name) {
64          if (name == null) {
65              throw new IllegalArgumentException("logger name can't be NULL");
66          }
67          return new Slf4jAdapter(this.mlog, name);
68      }
69  
70      /**
71       * Set Maven log.
72       * @param log The log to set
73       */
74      public void setMavenLog(final Log log) {
75          synchronized (JcabiLoggers.class) {
76              this.mlog = log;
77          }
78      }
79  
80  }