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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  }