source.dussan.org Git - archiva.git/blob

   1 package org.apache.archiva.repository.scanner;
   2
   3 /*
   4  * Licensed to the Apache Software Foundation (ASF) under one
   5  * or more contributor license agreements.  See the NOTICE file
   6  * distributed with this work for additional information
   7  * regarding copyright ownership.  The ASF licenses this file
   8  * to you under the Apache License, Version 2.0 (the
   9  * "License"); you may not use this file except in compliance
  10  * with the License.  You may obtain a copy of the License at
  11  *
  12  *  http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing,
  15  * software distributed under the License is distributed on an
  16  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  17  * KIND, either express or implied.  See the License for the
  18  * specific language governing permissions and limitations
  19  * under the License.
  20  */
  21
  22 import org.apache.archiva.admin.model.RepositoryAdminException;
  23 import org.apache.archiva.admin.model.beans.ManagedRepository;
  24 import org.apache.archiva.configuration.FileTypes;
  25 import org.apache.archiva.consumers.InvalidRepositoryContentConsumer;
  26 import org.apache.archiva.consumers.KnownRepositoryContentConsumer;
  27 import org.apache.archiva.consumers.RepositoryContentConsumer;
  28 import org.apache.commons.collections.CollectionUtils;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31 import org.springframework.stereotype.Service;
  32
  33 import javax.inject.Inject;
  34 import java.io.IOException;
  35 import java.nio.file.FileVisitOption;
  36 import java.nio.file.Files;
  37 import java.nio.file.Path;
  38 import java.nio.file.Paths;
  39 import java.util.*;
  40
  41 /**
  42  * DefaultRepositoryScanner
  43  *
  44  *
  45  */
  46 @Service( "repositoryScanner#default" )
  47 public class DefaultRepositoryScanner
  48     implements RepositoryScanner
  49 {
  50
  51     private static final Logger log  = LoggerFactory.getLogger(DefaultRepositoryScanner.class);
  52
  53     @Inject
  54     private FileTypes filetypes;
  55
  56     @Inject
  57     private RepositoryContentConsumers repositoryContentConsumers;
  58
  59     private Set<RepositoryScannerInstance> inProgressScans = new LinkedHashSet<>();
  60
  61     @Override
  62     public RepositoryScanStatistics scan( ManagedRepository repository, long changesSince )
  63         throws RepositoryScannerException
  64     {
  65         List<KnownRepositoryContentConsumer> knownContentConsumers = null;
  66         try
  67         {
  68             knownContentConsumers = repositoryContentConsumers.getSelectedKnownConsumers();
  69             List<InvalidRepositoryContentConsumer> invalidContentConsumers = repositoryContentConsumers.getSelectedInvalidConsumers();
  70             List<String> ignoredPatterns = filetypes.getFileTypePatterns( FileTypes.IGNORED );
  71
  72             return scan( repository, knownContentConsumers, invalidContentConsumers, ignoredPatterns, changesSince );
  73         }
  74         catch ( RepositoryAdminException e )
  75         {
  76             throw new RepositoryScannerException( e.getMessage(), e );
  77         } finally
  78         {
  79             repositoryContentConsumers.releaseSelectedKnownConsumers( knownContentConsumers );
  80         }
  81     }
  82
  83     @Override
  84     public RepositoryScanStatistics scan( ManagedRepository repository,
  85                                           List<KnownRepositoryContentConsumer> knownContentConsumers,
  86                                           List<InvalidRepositoryContentConsumer> invalidContentConsumers,
  87                                           List<String> ignoredContentPatterns, long changesSince )
  88         throws RepositoryScannerException
  89     {
  90         if ( repository == null )
  91         {
  92             throw new IllegalArgumentException( "Unable to operate on a null repository." );
  93         }
  94
  95         Path repositoryBase = Paths.get( repository.getLocation() );
  96
  97         //MRM-1342 Repository statistics report doesn't appear to be working correctly
  98         //create the repo if not existing to have an empty stats
  99         if ( !Files.exists(repositoryBase))
 100         {
 101             try {
 102                 Files.createDirectories(repositoryBase);
 103             } catch (IOException e) {
 104                 throw new UnsupportedOperationException("Unable to scan a repository, directory " + repositoryBase + " does not exist." );
 105             }
 106         }
 107
 108         if ( !Files.isDirectory(repositoryBase) )
 109         {
 110             throw new UnsupportedOperationException(
 111                 "Unable to scan a repository, path " + repositoryBase+ " is not a directory." );
 112         }
 113
 114         // Setup Includes / Excludes.
 115
 116         List<String> allExcludes = new ArrayList<>();
 117         List<String> allIncludes = new ArrayList<>();
 118
 119         if ( CollectionUtils.isNotEmpty( ignoredContentPatterns ) )
 120         {
 121             allExcludes.addAll( ignoredContentPatterns );
 122         }
 123
 124         // Scan All Content. (intentional)
 125         allIncludes.add( "**/*" );
 126
 127         // Setup the Scan Instance
 128         RepositoryScannerInstance scannerInstance =
 129             new RepositoryScannerInstance( repository, knownContentConsumers, invalidContentConsumers, changesSince );
 130
 131         scannerInstance.setFileNameIncludePattern(allIncludes);
 132         scannerInstance.setFileNameExcludePattern(allExcludes);
 133         inProgressScans.add( scannerInstance );
 134
 135         RepositoryScanStatistics stats = null;
 136         try
 137         {
 138             Files.walkFileTree(repositoryBase, EnumSet.of(FileVisitOption.FOLLOW_LINKS), Integer.MAX_VALUE, scannerInstance);
 139
 140             stats = scannerInstance.getStatistics();
 141
 142             stats.setKnownConsumers( gatherIds( knownContentConsumers ) );
 143             stats.setInvalidConsumers( gatherIds( invalidContentConsumers ) );
 144         } catch (IOException e) {
 145             log.error("Could not scan directory {}", repositoryBase);
 146         } finally
 147         {
 148             inProgressScans.remove( scannerInstance );
 149         }
 150
 151         return stats;
 152     }
 153
 154     private List<String> gatherIds( List<? extends RepositoryContentConsumer> consumers )
 155     {
 156         List<String> ids = new ArrayList<>();
 157         for ( RepositoryContentConsumer consumer : consumers )
 158         {
 159             ids.add( consumer.getId() );
 160         }
 161         return ids;
 162     }
 163
 164     @Override
 165     public Set<RepositoryScannerInstance> getInProgressScans()
 166     {
 167         return inProgressScans;
 168     }
 169 }