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1   /*
2    * Copyright 2009 Red Hat, Inc.
3    *
4    * Red Hat licenses this file to you under the Apache License, version 2.0
5    * (the "License"); you may not use this file except in compliance with the
6    * License.  You may obtain a copy of the License at:
7    *
8    *    http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package org.jboss.netty.logging;
17  
18  /**
19   * A skeletal implementation of {@link InternalLogger}.  This class implements
20   * all methods that have a {@link InternalLogLevel} parameter by default to call
21   * specific logger methods such as {@link #info(String)} or {@link #isInfoEnabled()}.
22   *
23   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
24   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
25   * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
26   */
27  public abstract class AbstractInternalLogger implements InternalLogger {
28  
29      /**
30       * Creates a new instance.
31       */
32      protected AbstractInternalLogger() {
33          super();
34      }
35  
36      public boolean isEnabled(InternalLogLevel level) {
37          switch (level) {
38          case DEBUG:
39              return isDebugEnabled();
40          case INFO:
41              return isInfoEnabled();
42          case WARN:
43              return isWarnEnabled();
44          case ERROR:
45              return isErrorEnabled();
46          default:
47              throw new Error();
48          }
49      }
50  
51      public void log(InternalLogLevel level, String msg, Throwable cause) {
52          switch (level) {
53          case DEBUG:
54              debug(msg, cause);
55              break;
56          case INFO:
57              info(msg, cause);
58              break;
59          case WARN:
60              warn(msg, cause);
61              break;
62          case ERROR:
63              error(msg, cause);
64              break;
65          default:
66              throw new Error();
67          }
68      }
69  
70      public void log(InternalLogLevel level, String msg) {
71          switch (level) {
72          case DEBUG:
73              debug(msg);
74              break;
75          case INFO:
76              info(msg);
77              break;
78          case WARN:
79              warn(msg);
80              break;
81          case ERROR:
82              error(msg);
83              break;
84          default:
85              throw new Error();
86          }
87      }
88  }