content: package org.apache.archiva.repository.base;
  
  /*
   * 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 com.cronutils.model.CronType;
  import com.cronutils.model.definition.CronDefinition;
  import com.cronutils.model.definition.CronDefinitionBuilder;
  import org.apache.archiva.event.Event;
  import org.apache.archiva.event.EventHandler;
  import org.apache.archiva.event.BasicEventManager;
  import org.apache.archiva.event.EventType;
  import org.apache.archiva.indexer.ArchivaIndexingContext;
  import org.apache.archiva.repository.EditableRepository;
  import org.apache.archiva.repository.RepositoryCapabilities;
  import org.apache.archiva.repository.RepositoryState;
  import org.apache.archiva.repository.RepositoryType;
  import org.apache.archiva.repository.UnsupportedFeatureException;
  import org.apache.archiva.repository.event.*;
  import org.apache.archiva.repository.storage.RepositoryStorage;
  import org.apache.archiva.repository.storage.StorageAsset;
  import org.apache.archiva.repository.features.RepositoryFeature;
  import org.apache.archiva.repository.features.StagingRepositoryFeature;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.net.URI;
  import java.nio.channels.ReadableByteChannel;
  import java.nio.channels.WritableByteChannel;
  import java.nio.file.CopyOption;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.Locale;
  import java.util.Map;
  import java.util.Set;
  import java.util.concurrent.atomic.AtomicBoolean;
  import java.util.function.Consumer;
  
  /**
   * Implementation of a repository with the necessary fields for a bare repository.
   * No features are provided. Capabilities and features must be implemented by concrete classes.
   *
   */
  public abstract class AbstractRepository implements EditableRepository, EventHandler<RepositoryEvent>
  {
  
  
      Logger log = LoggerFactory.getLogger(AbstractRepository.class);
  
      private final AtomicBoolean openStatus = new AtomicBoolean(false);
  
  
      private final RepositoryType type;
      private final String id;
      private Map<Locale, String> names = new HashMap<>(  );
      private Map<Locale, String> descriptions = new HashMap<>(  );
  
      private Locale primaryLocale = new Locale("en_US");
      protected URI location;
      private URI baseUri;
      private Set<URI> failoverLocations = new HashSet<>(  );
      private Set<URI> uFailoverLocations = Collections.unmodifiableSet( failoverLocations );
      private boolean scanned = true;
      String schedulingDefinition = "0 0 02 * * ?";
      private String layout = "default";
      public static final CronDefinition CRON_DEFINITION = CronDefinitionBuilder.instanceDefinitionFor(CronType.QUARTZ);
      private RepositoryState state;
  
      private final BasicEventManager eventManager;
  
      Map<Class<? extends RepositoryFeature<?>>, RepositoryFeature<?>> featureMap = new HashMap<>(  );
  
      private ArchivaIndexingContext indexingContext;
      private RepositoryStorage storage;
  
      public AbstractRepository(RepositoryType type, String id, String name, RepositoryStorage repositoryStorage) {
          this.id = id;
          this.names.put( primaryLocale, name);
          this.type = type;
          this.storage = repositoryStorage;
          this.location = repositoryStorage.getLocation();
          this.openStatus.compareAndSet(false, true);
          this.eventManager = new BasicEventManager(this);
      }
  
      public AbstractRepository(Locale primaryLocale, RepositoryType type, String id, String name, RepositoryStorage repositoryStorage) {
          setPrimaryLocale( primaryLocale );
          this.id = id;
          this.names.put( primaryLocale, name);
          this.type = type;
          this.storage = repositoryStorage;
          this.location = repositoryStorage.getLocation();
          this.openStatus.compareAndSet(false, true);
          this.eventManager = new BasicEventManager(this);
      }
  
      protected void setPrimaryLocale(Locale locale) {
          this.primaryLocale = locale;
      }
  
      @Override
      public String getId( )
      {
          return id;
      }
  
      @Override
      public String getName( )
      {
          return getName( primaryLocale );
      }
  
      @Override
      public String getName( Locale locale )
      {
          return names.get(locale);
      }
  
      @Override
      public String getDescription( )
      {
          return getDescription( primaryLocale );
      }
  
      @Override
      public String getDescription( Locale locale )
      {
          return descriptions.get(primaryLocale);
      }
  
      @Override
      public RepositoryType getType( )
      {
          return type;
      }
  
      @Override
      public URI getLocation( )
      {
          return location;
      }
  
      @Override
      public StorageAsset getRoot( )
      {
          return storage.getRoot( );
      }
  
      @Override
      public Set<URI> getFailoverLocations( )
      {
          return uFailoverLocations;
      }
  
      @Override
      public boolean isScanned( )
      {
          return scanned;
      }
  
      @Override
      public String getSchedulingDefinition( )
      {
          return schedulingDefinition;
      }
  
      @Override
      public abstract boolean hasIndex( );
  
      @Override
      public String getLayout( )
      {
          return layout;
      }
  
      @Override
      public abstract RepositoryCapabilities getCapabilities( );
  
      @SuppressWarnings( "unchecked" )
      @Override
      public <T extends RepositoryFeature<T>> T getFeature( Class<T> clazz ) throws UnsupportedFeatureException
      {
          if (featureMap.containsKey( clazz )) {
              return (T) featureMap.get(clazz);
          } else
          {
              throw new UnsupportedFeatureException( "Feature " + clazz + " not supported" );
          }
      }
  
      @Override
      public <T extends RepositoryFeature<T>> boolean supportsFeature( Class<T> clazz )
      {
          return featureMap.containsKey( clazz );
      }
  
      @Override
      public Locale getPrimaryLocale( )
      {
          return primaryLocale;
      }
  
      @Override
      public void setName( Locale locale, String name )
      {
          names.put(locale, name);
      }
  
      @Override
      public void setDescription( Locale locale, String description )
      {
          descriptions.put(locale, description);
      }
  
      @Override
      public void setLocation( final URI location )
      {
          if (location!=null && ( this.location == null || !this.location.equals(location))) {
              try {
                  updateLocation(location);
              } catch (IOException e) {
                  log.error("Could not update location of repository {} to {}", getId(), location, e);
              }
          }
      }
  
      @Override
      public void updateLocation(URI newLocation) throws IOException {
          storage.updateLocation(newLocation);
          this.location = newLocation;
      }
  
      @Override
      public void addFailoverLocation( URI location )
      {
          this.failoverLocations.add(location);
      }
  
      @Override
      public void removeFailoverLocation( URI location )
      {
          this.failoverLocations.remove( location );
      }
  
      @Override
      public void clearFailoverLocations( )
      {
          this.failoverLocations.clear();
      }
  
      @Override
      public void setScanned( boolean scanned )
      {
          this.scanned = scanned;
      }
  
      @Override
      public void setLayout( String layout )
      {
          this.layout = layout;
      }
  
      @Override
      public void setBaseUri(URI baseUri) {
          this.baseUri = baseUri;
      }
  
      @Override
      public void setSchedulingDefinition(String cronExpression) {
          this.schedulingDefinition = cronExpression;
      }
  
      @SuppressWarnings( "unchecked" )
      protected <T extends RepositoryFeature<T>> void addFeature(RepositoryFeature<T> feature) {
         featureMap.put( (Class<? extends RepositoryFeature<?>>) feature.getClass(), feature);
      }
  
      @Override
      public void setIndexingContext(ArchivaIndexingContext context) {
          this.indexingContext = context;
      }
  
      @Override
      public ArchivaIndexingContext getIndexingContext() {
          return indexingContext;
      }
  
      @Override
      public void close() {
          if (this.openStatus.compareAndSet(true, false)) {
              ArchivaIndexingContext ctx = getIndexingContext();
              if (ctx != null) {
                  try {
                      ctx.close();
                  } catch (IOException e) {
                      log.warn("Error during index context close.", e);
                  }
                  this.indexingContext = null;
  
              }
              if (supportsFeature(StagingRepositoryFeature.class)) {
                  StagingRepositoryFeature sf = getFeature( StagingRepositoryFeature.class );
                  if (sf.getStagingRepository() != null) {
                      sf.getStagingRepository().close();
                  }
              }
              setLastState( RepositoryState.CLOSED );
          }
  
      }
  
      @Override
      public boolean isOpen() {
          return openStatus.get();
      }
  
      @Override
      public void handle(RepositoryEvent event) {
          // We just rethrow the events
          eventManager.fireEvent(event);
      }
  
      @Override
      public <T extends Event> void registerEventHandler( EventType<T> eventType, EventHandler<? super T> eventHandler) {
          if (!EventType.isInstanceOf(eventType, RepositoryEvent.ANY)) {
              throw new IllegalArgumentException("Can only register RepositoryEvent Handlers");
          }
          eventManager.registerEventHandler(eventType, eventHandler);
      }
  
      @Override
      public <T extends Event> void unregisterEventHandler(EventType<T> type, EventHandler<? super T> eventHandler) {
          eventManager.unregisterEventHandler(type, eventHandler);
      }
  
      @Override
      public StorageAsset getAsset(String path )
      {
          return storage.getAsset(path);
      }
  
      @Override
      public StorageAsset addAsset( String path, boolean container )
      {
          return storage.addAsset(path, container);
      }
  
      @Override
      public void removeAsset( StorageAsset asset ) throws IOException
      {
          storage.removeAsset(asset);
      }
  
      @Override
      public StorageAsset moveAsset( StorageAsset origin, String destination, CopyOption... copyOptions ) throws IOException
      {
          return storage.moveAsset(origin, destination);
      }
  
      @Override
      public void moveAsset( StorageAsset origin, StorageAsset destination, CopyOption... copyOptions ) throws IOException
      {
          storage.moveAsset( origin, destination, copyOptions );
      }
  
      @Override
      public StorageAsset copyAsset( StorageAsset origin, String destination, CopyOption... copyOptions ) throws IOException
      {
          return storage.copyAsset(origin, destination);
      }
  
      @Override
      public void copyAsset( StorageAsset origin, StorageAsset destination, CopyOption... copyOptions ) throws IOException
      {
          storage.copyAsset( origin, destination, copyOptions);
      }
  
      @Override
      public void consumeData(StorageAsset asset, Consumer<InputStream> consumerFunction, boolean readLock ) throws IOException
      {
          storage.consumeData(asset, consumerFunction, readLock);
      }
  
      @Override
      public void consumeDataFromChannel( StorageAsset asset, Consumer<ReadableByteChannel> consumerFunction, boolean readLock ) throws IOException
      {
          storage.consumeDataFromChannel( asset, consumerFunction, readLock );
      }
  
      @Override
      public void writeData( StorageAsset asset, Consumer<OutputStream> consumerFunction, boolean writeLock ) throws IOException
      {
          storage.writeData( asset, consumerFunction, writeLock );
      }
  
      @Override
      public void writeDataToChannel( StorageAsset asset, Consumer<WritableByteChannel> consumerFunction, boolean writeLock ) throws IOException
      {
          storage.writeDataToChannel( asset, consumerFunction, writeLock );
      }
  
      protected void setStorage( RepositoryStorage storage) {
          this.storage = storage;
      }
  
      protected RepositoryStorage getStorage() {
          return storage;
      }
  
  
      @Override
      public RepositoryState getLastState( )
      {
          return this.state;
      }
  
      @Override
      public void setLastState( RepositoryState state )
      {
          this.state = state;
      }
  }
  