Content of file MetadataSupport.java.html
<?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>MetadataSupport.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 :: Catalog</a> > <a href="../index.html" class="el_bundle">it-tidalwave-bluemarine2-model</a> > <a href="index.source.html" class="el_package">it.tidalwave.bluemarine2.model.spi</a> > <span class="el_source">MetadataSupport.java</span></div><h1>MetadataSupport.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.model.spi;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.function.Function;
import java.nio.file.Path;
import it.tidalwave.util.Key;
import it.tidalwave.bluemarine2.model.MediaItem;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import lombok.ToString;
import lombok.extern.slf4j.Slf4j;
/***********************************************************************************************************************
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
<span class="pc" id="L50">@RequiredArgsConstructor @ToString(of = "properties") @Slf4j</span>
public class MetadataSupport implements MediaItem.Metadata
{
<span class="nc" id="L53"> @Getter @Nonnull</span>
protected final Path path;
@Nonnull
protected Optional<Function<Key<?>, MediaItem.Metadata>> fallback;
<span class="fc" id="L59"> protected final Map<Key<?>, Object> properties = new HashMap<>();</span>
/*******************************************************************************************************************
*
*
*
******************************************************************************************************************/
public MetadataSupport (@Nonnull final Path path)
{
<span class="fc" id="L68"> this(path, Optional.empty());</span>
<span class="fc" id="L69"> }</span>
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override @Nonnull
public <T> Optional<T> get (@Nonnull final Key<T> key)
{
<span class="fc bfc" id="L79" title="All 2 branches covered."> return properties.containsKey(key) ? Optional.ofNullable((T)properties.get(key))</span>
<span class="pc" id="L80"> : fallback.flatMap(fb -> fb.apply(key).get(key));</span>
}
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override @Nonnull
public <T> T getAll (@Nonnull final Key<T> key)
{
<span class="nc" id="L91"> final T list = (T)properties.get(key);</span>
<span class="nc bnc" id="L92" title="All 2 branches missed."> return (list != null) ? list :</span>
<span class="nc" id="L93"> fallback.flatMap(fb -> fb.apply(key).get(key)).orElse((T)Collections.emptyList());</span>
}
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override
public boolean containsKey (@Nonnull final Key<?> key)
{
<span class="nc" id="L104"> return properties.containsKey(key);</span>
}
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override @Nonnull
public Set<Key<?>> getKeys()
{
<span class="fc" id="L115"> return Collections.unmodifiableSet(properties.keySet());</span>
}
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override @Nonnull
public Set<Map.Entry<Key<?>, ?>> getEntries()
{
<span class="fc" id="L126"> return Collections.unmodifiableSet(properties.entrySet());</span>
}
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override @Nonnull
public <T> MediaItem.Metadata with (@Nonnull final Key<T> key, @Nonnull final T value)
{
<span class="fc" id="L137"> final MetadataSupport clone = new MetadataSupport(path, fallback);</span>
<span class="fc" id="L138"> clone.properties.putAll(this.properties);</span>
<span class="fc" id="L139"> clone.put(key, value);</span>
<span class="fc bfc" id="L141" title="All 2 branches covered."> if (value instanceof ITunesComment)</span>
{
<span class="fc" id="L143"> clone.put(CDDB, ((ITunesComment) value).getCddb());</span>
}
<span class="fc" id="L146"> return clone;</span>
}
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override @Nonnull
public MediaItem.Metadata withFallback (@Nonnull final Function<Key<?>, MediaItem.Metadata> fallback)
{
<span class="fc" id="L157"> final MetadataSupport clone = new MetadataSupport(path, Optional.of(fallback));</span>
<span class="fc" id="L158"> clone.properties.putAll(this.properties);</span>
<span class="fc" id="L159"> return clone;</span>
}
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override @Nonnull
public <T> MediaItem.Metadata with (@Nonnull final Key<T> key, @Nonnull final Optional<T> value)
{
<span class="fc" id="L170"> return value.map(t -> with(key, t)).orElse(this);</span>
}
/*******************************************************************************************************************
*
* FIXME: remove this, make it truly immutable.
| remove this, make it truly immutable. | |
*
******************************************************************************************************************/
protected <V> void put (@Nonnull final Key<V> key, @Nullable final V value)
{
<span class="fc bfc" id="L180" title="All 2 branches covered."> if (value != null)</span>
{
<span class="fc" id="L182"> properties.put(key, value);</span>
}
<span class="fc" id="L184"> }</span>
}
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