package org.apache.archiva.consumers;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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 org.apache.archiva.common.FileTypeUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.util.HashSet;
  import java.util.List;
  import java.util.Set;
  
  /**
   * AbstractMonitoredConsumer 
   *
   *
   */
  public abstract class AbstractMonitoredConsumer
      implements Consumer
  {
  
      protected final Logger logger = LoggerFactory.getLogger( getClass() );
  
      private final Set<ConsumerMonitor> monitors = new HashSet<ConsumerMonitor>();
      
      @Override
      public void addConsumerMonitor( ConsumerMonitor monitor )
      {
          monitors.add( monitor );
      }
  
      @Override
      public void removeConsumerMonitor( ConsumerMonitor monitor )
      {
          monitors.remove( monitor );
      }
  
      protected void triggerConsumerError( String type, String message )
      {
          for ( ConsumerMonitor monitor : monitors ) 
          {
              try
              {
                  monitor.consumerError( this, type, message );
              }
              catch ( Throwable t )
              {
                  /* discard error */
              }
          }
      }
  
      protected void triggerConsumerWarning( String type, String message )
      {
          for ( ConsumerMonitor monitor : monitors ) 
          {
              try
              {
                  monitor.consumerWarning( this, type, message );
              }
              catch ( Throwable t )
              {
                  /* discard error */
              }
          }
      }
  
      protected void triggerConsumerInfo( String message )
      {
          for ( ConsumerMonitor monitor : monitors ) 
          {
              try
              {
                  monitor.consumerInfo( this, message );
              }
              catch ( Throwable t )
              {
                  /* discard error */
              }
          }
      }
  
     public boolean isProcessUnmodified()
     {
         return false;
     }
 
     protected List<String> getDefaultArtifactExclusions()
     {
         return FileTypeUtils.DEFAULT_EXCLUSIONS;
     }
     
     
 }