it.tidalwave.bluebill.factsheet.bbc.io.StillImageUnmarshaller Maven / Gradle / Ivy

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/***********************************************************************************************************************
 *
 * blueBill Mobile - Android - open source birding
 * Copyright (C) 2009-2011 by Tidalwave s.a.s. (http://www.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.
 *
 ***********************************************************************************************************************
 *
 * WWW: http://bluebill.tidalwave.it/mobile
 * SCM: https://kenai.com/hg/bluebill~android-src
 *
 **********************************************************************************************************************/
package it.tidalwave.bluebill.factsheet.bbc.io;

import it.tidalwave.mobile.media.Media;
import it.tidalwave.util.As;
import it.tidalwave.util.Id;
import java.util.List;
import javax.annotation.Nonnull;
import org.openrdf.model.Statement;
import static it.tidalwave.semantic.vocabulary.FoafVocabulary.*;

/***********************************************************************************************************************
 *
 * @author  Fabrizio Giudici
 * @version $Id$
 *
 **********************************************************************************************************************/
public class StillImageUnmarshaller extends StatementUnmarshallerSupport
  {
    @Nonnull
    public As unmarshal (final @Nonnull List statements, final @Nonnull Context context)
      {
        // TODO: Android seems unable to read many large images from BBC, so we resort to thumbnails
        final Id imageId = findId(statements, context);

        for (final Statement statement2 : context.findStatements(ID_FOAF_THUMBNAIL, null))
          {
            if (statement2.getSubject().stringValue().equals(imageId.stringValue()))
              {
                return new Media().with(Media.ID, new Id(statement2.getObject().stringValue()));
              }
          }

        return new Media().with(Media.ID, imageId);
      }
  }