RepositoryEntitySupport.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.catalog;
- import javax.annotation.Nonnull;
- import javax.annotation.Nullable;
- import java.util.Optional;
- import java.time.Duration;
- import java.nio.file.InvalidPathException;
- import java.nio.file.Path;
- import java.nio.file.Paths;
- import org.eclipse.rdf4j.model.Value;
- import org.eclipse.rdf4j.repository.Repository;
- import org.eclipse.rdf4j.query.Binding;
- import org.eclipse.rdf4j.query.BindingSet;
- import it.tidalwave.util.Id;
- import it.tidalwave.util.spi.PriorityAsSupport;
- import it.tidalwave.role.Identifiable;
- import it.tidalwave.bluemarine2.model.finder.audio.MusicArtistFinder;
- import it.tidalwave.bluemarine2.model.finder.audio.MusicPerformerFinder;
- import it.tidalwave.bluemarine2.model.finder.audio.PerformanceFinder;
- import it.tidalwave.bluemarine2.model.finder.audio.RecordFinder;
- import it.tidalwave.bluemarine2.model.finder.audio.TrackFinder;
- import it.tidalwave.bluemarine2.model.spi.Entity;
- import it.tidalwave.bluemarine2.model.spi.SourceAwareFinder;
- import it.tidalwave.bluemarine2.model.impl.catalog.finder.RepositoryMusicArtistFinder;
- import it.tidalwave.bluemarine2.model.impl.catalog.finder.RepositoryMusicPerformerFinder;
- import it.tidalwave.bluemarine2.model.impl.catalog.finder.RepositoryPerformanceFinder;
- import it.tidalwave.bluemarine2.model.impl.catalog.finder.RepositoryRecordFinder;
- import it.tidalwave.bluemarine2.model.impl.catalog.finder.RepositoryTrackFinder;
- import lombok.experimental.Delegate;
- import lombok.Getter;
- import lombok.RequiredArgsConstructor;
- import lombok.ToString;
- import lombok.extern.slf4j.Slf4j;
- import static it.tidalwave.bluemarine2.util.Miscellaneous.normalizedToNativeForm;
- /***********************************************************************************************************************
- *
- * @author Fabrizio Giudici
- *
- **********************************************************************************************************************/
- @RequiredArgsConstructor @ToString(of = { "rdfsLabel", "id"}) @Slf4j
- public class RepositoryEntitySupport implements Entity, Identifiable
- {
- @Nonnull
- protected final Repository repository;
- @Getter @Nonnull
- protected final Id id;
- @Getter @Nonnull
- protected final String rdfsLabel;
- @Getter @Nonnull
- protected final Optional<Id> source;
- @Getter @Nonnull
- protected final Optional<Id> fallback;
- @Delegate
- private final PriorityAsSupport asSupport = new PriorityAsSupport(this);
- /*******************************************************************************************************************
- *
- *
- *
- ******************************************************************************************************************/
- public RepositoryEntitySupport (@Nonnull final Repository repository,
- @Nonnull final BindingSet bindingSet,
- @Nonnull final String idName)
- {
- this(repository, bindingSet, idName, toString(bindingSet.getBinding("label")).orElse(""));
- }
- /*******************************************************************************************************************
- *
- *
- *
- ******************************************************************************************************************/
- public RepositoryEntitySupport (@Nonnull final Repository repository,
- @Nonnull final BindingSet bindingSet,
- @Nonnull final String idName,
- @Nonnull final String rdfsLabel)
- {
- this.repository = repository;
- this.id = Id.of(toString(bindingSet.getBinding(idName)).get());
- this.rdfsLabel = rdfsLabel;
- this.fallback = toId(bindingSet.getBinding("fallback"));
- this.source = toId(Optional.ofNullable(bindingSet.getBinding("source"))
- .orElse(bindingSet.getBinding("fallback")));
- }
- /*******************************************************************************************************************
- *
- ******************************************************************************************************************/
- @Nonnull
- protected MusicArtistFinder _findArtists()
- {
- return configured(new RepositoryMusicArtistFinder(repository));
- }
- /*******************************************************************************************************************
- *
- ******************************************************************************************************************/
- @Nonnull
- protected MusicPerformerFinder _findPerformers()
- {
- return configured(new RepositoryMusicPerformerFinder(repository));
- }
- /*******************************************************************************************************************
- *
- ******************************************************************************************************************/
- @Nonnull
- protected RecordFinder _findRecords()
- {
- return configured(new RepositoryRecordFinder(repository));
- }
- /*******************************************************************************************************************
- *
- ******************************************************************************************************************/
- @Nonnull
- protected TrackFinder _findTracks()
- {
- return configured(new RepositoryTrackFinder(repository));
- }
- /*******************************************************************************************************************
- *
- ******************************************************************************************************************/
- @Nonnull
- protected PerformanceFinder _findPerformances()
- {
- return configured(new RepositoryPerformanceFinder(repository));
- }
- /*******************************************************************************************************************
- *
- ******************************************************************************************************************/
- @Nonnull
- protected static Optional<String> toString (@Nullable final Binding binding)
- {
- return Optional.ofNullable(binding).map(Binding::getValue).map(Value::stringValue);
- }
- /*******************************************************************************************************************
- *
- ******************************************************************************************************************/
- @Nonnull
- protected static Optional<Id> toId (@Nullable final Binding binding)
- {
- return Optional.ofNullable(binding).map(Binding::getValue).map(Value::stringValue).map(Id::new);
- }
- /*******************************************************************************************************************
- *
- ******************************************************************************************************************/
- @Nonnull
- protected static Optional<Integer> toInteger (@Nullable final Binding binding)
- {
- return Optional.ofNullable(binding).map(Binding::getValue).map(v -> Integer.parseInt(v.stringValue()));
- }
- /*******************************************************************************************************************
- *
- ******************************************************************************************************************/
- @Nonnull
- protected static Optional<Long> toLong (@Nullable final Binding binding)
- {
- return Optional.ofNullable(binding).map(Binding::getValue).map(v -> Long.parseLong(v.stringValue()));
- }
- /*******************************************************************************************************************
- *
- ******************************************************************************************************************/
- @Nonnull
- protected static Optional<Duration> toDuration (@Nullable final Binding binding)
- {
- return Optional.ofNullable(binding).map(Binding::getValue).map(v -> Duration.ofMillis((int)Float.parseFloat(v.stringValue())));
- }
- /*******************************************************************************************************************
- *
- * Tries to fix a path for character normalization issues (see BMT-46). The idea is to first normalize the encoding
- * to the native form. If it doesn't work, a broken path is replaced to avoid further errors (of course, the
- * resource won't be available when requested).
- * It doesn't try to call normalizedPath() because it's expensive.
- *
- * @param binding the binding
- * @return the path
- *
- ******************************************************************************************************************/
- @Nonnull
- protected static Path toPath (@Nonnull final Binding binding)
- {
- try // FIXME: see BMT-46 - try all posibile normalizations
- {
- return Paths.get(normalizedToNativeForm(toString(binding).get()));
- }
- catch (InvalidPathException e)
- {
- // FIXME: perhaps we could try a similar trick to normalizedPath() - the problem being the fact that it
- // currently accepts a Path, but we can't convert to a Path. It should be rewritten to work with a String
- // in input.
- log.error("Invalid path {}", e.toString());
- return Paths.get("broken SEE BMT-46");
- }
- }
- /*******************************************************************************************************************
- *
- ******************************************************************************************************************/
- @Nonnull
- protected <ENTITY, FINDER extends SourceAwareFinder<ENTITY, FINDER>> FINDER configured (@Nonnull final FINDER finder)
- {
- return finder.importedFrom(source).withFallback(fallback);
- }
- }