<?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 :: Services :: StoppingDown</a> > <a href="index.source.html" class="el_package">it.tidalwave.bluemarine2.service.stoppingdown.impl</a> > <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 "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.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).
// FIXME: move PhotoItem to Model, this class to UPnP and try to make the URLs contained in metadata of PhotoItem.
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 + "/media/stillimages/%s/%d/image.jpg";
<span class="fc" id="L63"> private static final List<Integer> SIZES = List.of(200, 400, 800, 1280, 1920, 2560);</span>
@Nonnull
private final PhotoItem datum;
<span class="fc" id="L68"> private final String creator = "Fabrizio Giudici";</span>
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override @Nonnull
public DIDLObject toObject()
{
<span class="fc" id="L78"> final ProtocolInfo protocolInfo = new DLNAProtocolInfo(Protocol.HTTP_GET, "*", "image/jpeg", "*");</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 -> 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("%s-%s-%s", id.substring(0, 4), id.substring(4, 6), id.substring(6, 8));</span>
}
}
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