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<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../../jacoco-resources/report.gif" type="image/gif"/><title>PhotoItemDIDLAdapter.java</title><link rel="stylesheet" href="../../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../../index.html" class="el_report">blueMarine II :: Application :: JavaFX</a> &gt; <a href="../index.html" class="el_bundle">it-tidalwave-bluemarine2-services-stoppingdown</a> &gt; <a href="index.source.html" class="el_package">it.tidalwave.bluemarine2.service.stoppingdown.impl</a> &gt; <span class="el_source">PhotoItemDIDLAdapter.java</span></div><h1>PhotoItemDIDLAdapter.java</h1><pre class="source lang-java linenums">/*
 * *********************************************************************************************************************
 *
 * 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 &quot;License&quot;); 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 &quot;AS IS&quot; 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.service.stoppingdown.impl;

import javax.annotation.Nonnull;
import javax.annotation.concurrent.Immutable;
import java.util.List;
import java.nio.file.Path;
import org.fourthline.cling.support.model.DIDLObject;
import org.fourthline.cling.support.model.Protocol;
import org.fourthline.cling.support.model.ProtocolInfo;
import org.fourthline.cling.support.model.Res;
import org.fourthline.cling.support.model.dlna.DLNAProtocolInfo;
import org.fourthline.cling.support.model.item.Photo;
import it.tidalwave.dci.annotation.DciRole;
import it.tidalwave.bluemarine2.model.spi.PathAwareEntity;
import it.tidalwave.bluemarine2.upnp.mediaserver.impl.didl.DIDLAdapter;
import lombok.RequiredArgsConstructor;
import static java.util.Collections.reverseOrder;

/***********************************************************************************************************************
 *
 * A role that converts a {@link PhotoItem} into DIDL content.
 *
 * @stereotype  Role
 *
 * @author  Fabrizio Giudici
 *
 **********************************************************************************************************************/
 // FIXME: this introduces a dependency on UPnP. It's needed because it contains stuff related to StoppingDown (URLs).

this introduces a dependency on UPnP. It's needed because it contains stuff related to StoppingDown (URLs).
 // FIXME: move PhotoItem to Model, this class to UPnP and try to make the URLs contained in metadata of PhotoItem.
<span class="fc" id="L56">@RequiredArgsConstructor</span>
@Immutable @DciRole(datumType = PhotoItem.class)
public class PhotoItemDIDLAdapter implements DIDLAdapter
  {
<span class="fc" id="L60">    private static final String MEDIA_URL_TEMPLATE =</span>
            PhotoCollectionProviderSupport.URL_STOPPINGDOWN + &quot;/media/stillimages/%s/%d/image.jpg&quot;;

<span class="fc" id="L63">    private static final List&lt;Integer&gt; SIZES = List.of(200, 400, 800, 1280, 1920, 2560);</span>

    @Nonnull
    private final PhotoItem datum;

<span class="fc" id="L68">    private final String creator = &quot;Fabrizio Giudici&quot;;</span>

    /*******************************************************************************************************************
     *
     * {@inheritDoc}
     *
     ******************************************************************************************************************/
    @Override @Nonnull
    public DIDLObject toObject()
      {
<span class="fc" id="L78">        final ProtocolInfo protocolInfo = new DLNAProtocolInfo(Protocol.HTTP_GET, &quot;*&quot;, &quot;image/jpeg&quot;, &quot;*&quot;);</span>
<span class="fc" id="L79">        final Res[] resources = SIZES.stream()</span>
<span class="fc" id="L80">                                     .sorted(reverseOrder())</span>
<span class="fc" id="L81">                                     .map(size -&gt; createResource(protocolInfo, size))</span>
<span class="fc" id="L82">                                     .toArray(Res[]::new);</span>
<span class="fc" id="L83">        final Path parentPath = datum.getParent().map(PathAwareEntity::getPath).orElseThrow(RuntimeException::new);</span>
<span class="fc" id="L84">        final String parentId = parentPath.toString();</span>
<span class="fc" id="L85">        final String photoId = parentPath.resolve(datum.getId()).toString();</span>
<span class="fc" id="L86">        final String title = datum.getId();</span>
<span class="fc" id="L87">        final Photo item = new Photo(photoId, parentId, title, creator, parentId, resources);</span>
<span class="fc" id="L88">        item.setDescription(datum.getTitle());</span>
<span class="fc" id="L89">        item.setDate(dateFor(datum.getId()));</span>
<span class="fc" id="L90">        return item;</span>
      }

    /*******************************************************************************************************************
     *
     ******************************************************************************************************************/
    @Nonnull
    private Res createResource (@Nonnull final ProtocolInfo protocolInfo, final int size)
      {
<span class="fc" id="L99">        final Res resource = new Res(protocolInfo, null, computeUrl(size));</span>
<span class="fc" id="L100">        resource.setResolution(size, size);</span>
<span class="fc" id="L101">        return resource;</span>
      }

    /*******************************************************************************************************************
     *
     ******************************************************************************************************************/
    @Nonnull
    private String computeUrl (final int size)
      {
<span class="fc" id="L110">        return String.format(MEDIA_URL_TEMPLATE, datum.getId(), size);</span>
      }

    /*******************************************************************************************************************
     *
     ******************************************************************************************************************/
    @Nonnull
    private static String dateFor (final String id)
      {
<span class="fc" id="L119">        return String.format(&quot;%s-%s-%s&quot;, id.substring(0, 4), id.substring(4, 6), id.substring(6, 8));</span>
      }
  }
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