package org.codehaus.plexus.logging;
   
   /*
    * Copyright 2001-2006 Codehaus Foundation.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  /*
   * LICENSE
   */
  
  /**
   * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
   */
  public abstract class AbstractLogger implements Logger {
      private int threshold;
  
      private String name;
  
      public AbstractLogger(int threshold, String name) {
          if (!isValidThreshold(threshold)) {
              throw new IllegalArgumentException("Threshold " + threshold + " is not valid");
          }
  
          this.threshold = threshold;
          this.name = name;
      }
  
      public int getThreshold() {
          return threshold;
      }
  
      public void setThreshold(int threshold) {
          this.threshold = threshold;
      }
  
      public String getName() {
          return name;
      }
  
      public void debug(String message) {
          debug(message, null);
      }
  
      public boolean isDebugEnabled() {
          return threshold <= LEVEL_DEBUG;
      }
  
      public void info(String message) {
          info(message, null);
      }
  
      public boolean isInfoEnabled() {
          return threshold <= LEVEL_INFO;
      }
  
      public void warn(String message) {
          warn(message, null);
      }
  
      public boolean isWarnEnabled() {
          return threshold <= LEVEL_WARN;
      }
  
      public void error(String message) {
          error(message, null);
      }
  
      public boolean isErrorEnabled() {
          return threshold <= LEVEL_ERROR;
      }
  
      public void fatalError(String message) {
          fatalError(message, null);
      }
  
      public boolean isFatalErrorEnabled() {
          return threshold <= LEVEL_FATAL;
      }
  
      protected boolean isValidThreshold(int threshold) {
          if (threshold == LEVEL_DEBUG) {
              return true;
          }
          if (threshold == LEVEL_INFO) {
              return true;
          }
          if (threshold == LEVEL_WARN) {
             return true;
         }
         if (threshold == LEVEL_ERROR) {
             return true;
         }
         if (threshold == LEVEL_FATAL) {
             return true;
         }
         if (threshold == LEVEL_DISABLED) {
             return true;
         }
 
         return false;
     }
 }