package org.apache.archiva.consumers.functors;
   
   /*
    * 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 java.util.List;
  
  import org.apache.archiva.admin.model.beans.ManagedRepository;
  import org.apache.commons.collections.Predicate;
  import org.apache.commons.io.FilenameUtils;
  import org.apache.archiva.common.utils.BaseFile;
  import org.apache.archiva.consumers.RepositoryContentConsumer;
  import org.apache.commons.lang.StringUtils;
  import org.apache.tools.ant.types.selectors.SelectorUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * ConsumerWantsFilePredicate
   */
  public class ConsumerWantsFilePredicate
      implements Predicate
  {
      private BaseFile basefile;
  
      private boolean isCaseSensitive = true;
  
      private int wantedFileCount = 0;
  
      private long changesSince = 0;
  
      private ManagedRepository managedRepository;
  
      private Logger logger = LoggerFactory.getLogger( getClass() );
  
      /**
       * @deprecated use constructor with ManagedRepository
       */
      public ConsumerWantsFilePredicate()
      {
          // no-op
      }
  
      public ConsumerWantsFilePredicate( ManagedRepository managedRepository )
      {
          this.managedRepository = managedRepository;
      }
  
      @Override
      public boolean evaluate( Object object )
      {
          boolean satisfies = false;
  
          if ( object instanceof RepositoryContentConsumer )
          {
              RepositoryContentConsumer consumer = (RepositoryContentConsumer) object;
              if ( wantsFile( consumer, FilenameUtils.separatorsToUnix( basefile.getRelativePath() ) ) )
              {
                  satisfies = true;
  
                  // regardless of the timestamp, we record that it was wanted so it doesn't get counted as invalid
                  wantedFileCount++;
  
                  if ( !consumer.isProcessUnmodified() )
                  {
                      // Timestamp finished points to the last successful scan, not this current one.
                      if ( basefile.lastModified() < changesSince )
                      {
                          // Skip file as no change has occurred.
                          satisfies = false;
                      }
                  }
              }
          }
  
          return satisfies;
      }
  
      public BaseFile getBasefile()
      {
          return basefile;
      }
  
     public int getWantedFileCount()
     {
         return wantedFileCount;
     }
 
     public boolean isCaseSensitive()
     {
         return isCaseSensitive;
     }
 
     public void setBasefile( BaseFile basefile )
     {
         this.basefile = basefile;
         this.wantedFileCount = 0;
     }
 
     public void setCaseSensitive( boolean isCaseSensitive )
     {
         this.isCaseSensitive = isCaseSensitive;
     }
 
     private boolean wantsFile( RepositoryContentConsumer consumer, String relativePath )
     {
         // Test excludes first.
         List<String> excludes = consumer.getExcludes();
         if ( excludes != null )
         {
             for ( String pattern : excludes )
             {
                 if ( SelectorUtils.matchPath( pattern, relativePath, isCaseSensitive ) )
                 {
                     // Definitely does NOT WANT FILE.
                     return false;
                 }
             }
         }
 
         if ( managedRepository != null )
         {
             String indexDirectory = managedRepository.getIndexDirectory();
             if ( StringUtils.startsWith( relativePath, indexDirectory ) )
             {
                 logger.debug( "ignore file {} part of the index directory {}", relativePath, indexDirectory );
                 return false;
             }
         }
 
         // Now test includes.
         for ( String pattern : consumer.getIncludes() )
         {
             if ( SelectorUtils.matchPath( pattern, relativePath, isCaseSensitive ) )
             {
                 // Specifically WANTS FILE.
                 return true;
             }
         }
 
         // Not included, and Not excluded?  Default to EXCLUDE.
         return false;
     }
 
     public void setChangesSince( long changesSince )
     {
         this.changesSince = changesSince;
     }
 }