package org.codehaus.mojo.clirr;
   
   /*
    * Copyright 2006 The Codehaus
    *
    * 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.
   */
  
  import net.sf.clirr.core.ApiDifference;
  import net.sf.clirr.core.DiffListenerAdapter;
  import net.sf.clirr.core.MessageTranslator;
  import net.sf.clirr.core.Severity;
  import org.apache.maven.plugin.logging.Log;
  
  /**
   * Log messages to the console as they are processed.
   *
   * @author <a href="mailto:brett@apache.org">Brett Porter</a>
   */
  public class LogDiffListener
      extends DiffListenerAdapter
  {
      private final Log log;
  
      private final MessageTranslator messageTranslator;
  
      public LogDiffListener( Log log )
      {
          this.log = log;
  
          this.messageTranslator = new MessageTranslator();
      }
  
      public void reportDiff( ApiDifference apiDifference )
      {
          String message = apiDifference.getMessage().getId() + ": " + apiDifference.getAffectedClass() + ": " +
              apiDifference.getReport( messageTranslator );
  
          Severity severity = apiDifference.getMaximumSeverity();
          if ( severity.equals( Severity.INFO ) )
          {
              log.info( message );
          }
          else if ( severity.equals( Severity.WARNING ) )
          {
              log.warn( message );
          }
          else if ( severity.equals( Severity.ERROR ) )
          {
              log.error( message );
          }
      }
  }