PathAwareMediaFolderDecorator.java
/*
* *********************************************************************************************************************
*
* blueMarine II: Semantic Media Centre
* http://tidalwave.it/projects/bluemarine2
*
* Copyright (C) 2015 - 2021 by Tidalwave s.a.s. (http://tidalwave.it)
*
* *********************************************************************************************************************
*
* 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.
*
* *********************************************************************************************************************
*
* git clone https://bitbucket.org/tidalwave/bluemarine2-src
* git clone https://github.com/tidalwave-it/bluemarine2-src
*
* *********************************************************************************************************************
*/
package it.tidalwave.bluemarine2.model.impl;
import javax.annotation.Nonnull;
import java.nio.file.Path;
import java.util.Collection;
import java.util.Collections;
import it.tidalwave.util.Finder;
import it.tidalwave.util.MappingFinder;
import it.tidalwave.role.SimpleComposite;
import it.tidalwave.bluemarine2.model.MediaFolder;
import it.tidalwave.bluemarine2.model.spi.Entity;
import it.tidalwave.bluemarine2.model.spi.PathAwareEntity;
import it.tidalwave.bluemarine2.model.spi.PathAwareFinder;
/***********************************************************************************************************************
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
public class PathAwareMediaFolderDecorator extends PathAwareEntityDecorator implements MediaFolder
{
/*******************************************************************************************************************
*
* Default constructor.
*
* @param delegate the delegate
* @param parent the parent
* @param pathSegment the path segment of this object
* @param additionalRoles some additional roles
*
******************************************************************************************************************/
public PathAwareMediaFolderDecorator (@Nonnull final Entity delegate,
@Nonnull final PathAwareEntity parent,
@Nonnull final Path pathSegment,
@Nonnull final Collection<Object> additionalRoles)
{
super(delegate, parent, pathSegment, additionalRoles);
}
public PathAwareMediaFolderDecorator (@Nonnull final Entity delegate,
@Nonnull final PathAwareEntity parent,
@Nonnull final Path pathSegment)
{
this(delegate, parent, pathSegment, Collections.emptyList());
}
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override @Nonnull
public PathAwareFinder findChildren()
{
final SimpleComposite<Entity> composite = delegate.as(SimpleComposite.class);
return wrappedFinder(this, composite.findChildren());
}
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override @Nonnull
public String toDumpString()
{
return String.format("Folder(path=%s, parent=Folder(path=%s))", getPath(), parent.getPath());
}
/*******************************************************************************************************************
*
* Creates a wrapped finder, that wraps all entities in its result.
*
* @param parent the parent
* @param finder the source finder
* @return the wrapped finder
*
******************************************************************************************************************/
@Nonnull
private static PathAwareFinder wrappedFinder (@Nonnull final MediaFolder parent,
@Nonnull final Finder<? extends Entity> finder)
{
if (finder instanceof PathAwareEntityFinderDelegate)
{
return (PathAwareFinder)finder;
}
return new PathAwareEntityFinderDelegate(parent,
new MappingFinder<>((Finder)finder, child -> wrappedEntity(parent, (Entity)child)));
}
}