PathAwareDecoratorDIDLAdapter.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.upnp.mediaserver.impl.didl;
import javax.annotation.Nonnull;
import javax.annotation.concurrent.Immutable;
import org.fourthline.cling.support.model.DIDLObject;
import org.fourthline.cling.support.model.item.Item;
import it.tidalwave.bluemarine2.model.impl.PathAwareEntityDecorator;
import it.tidalwave.bluemarine2.rest.spi.ResourceServer;
import lombok.extern.slf4j.Slf4j;
import static it.tidalwave.bluemarine2.upnp.mediaserver.impl.UpnpUtilities.*;
/***********************************************************************************************************************
*
* A support for roles dealing with {@link PathAwareEntityDecorator} that creates the {@link DIDLObject} in function
* of the delegate; and properly sets the {@code id} and {@code parentId} in function of the path, overriding any
* specific setting by the original datum adapter.
*
* @stereotype Role
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
@Slf4j @Immutable
public class PathAwareDecoratorDIDLAdapter extends CompositeDIDLAdapterSupport<PathAwareEntityDecorator>
{
public PathAwareDecoratorDIDLAdapter (@Nonnull final PathAwareEntityDecorator datum,
@Nonnull final ResourceServer server)
{
super(datum, server);
}
@Override @Nonnull
public final DIDLObject toObject()
throws Exception
{
log.debug("toObject() - {}", datum);
final DIDLObject item = datum.getDelegate().as(_DIDLAdapter_).toObject();
if (item instanceof Item)
{
((Item)item).setRefID(item.getId()); // don't externalize this
}
item.setId(externalized(datum.getPath().toString()));
datum.getParent().ifPresent(parent -> item.setParentID(externalized(parent.getPath().toString())));
return item;
}
}