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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>EXIF.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">Mistral Examples Miscellaneous</a> &gt; <a href="../index.html" class="el_bundle">image-core</a> &gt; <a href="index.source.html" class="el_package">it.tidalwave.image.metadata</a> &gt; <span class="el_source">EXIF.java</span></div><h1>EXIF.java</h1><pre class="source lang-java linenums">/*
 * *********************************************************************************************************************
 *
 * Mistral: open source imaging engine
 * http://tidalwave.it/projects/mistral
 *
 * Copyright (C) 2003 - 2023 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/mistral-src
 * git clone https://github.com/tidalwave-it/mistral-src
 *
 * *********************************************************************************************************************
 */
package it.tidalwave.image.metadata;

import javax.annotation.CheckForNull;
import javax.annotation.Nonnull;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.Optional;
import java.awt.color.ICC_Profile;
import lombok.extern.slf4j.Slf4j;

/***********************************************************************************************************************
 *
 * @author Fabrizio Giudici
 *
 **********************************************************************************************************************/
<span class="fc" id="L42">@Slf4j</span>
public class EXIF extends EXIFDirectoryGenerated
  {
    private static final long serialVersionUID = 3088068666726854799L;

    private static final String ASCII_PREFIX = &quot;ASCII\u0000\u0000\u0000&quot;;

    /*******************************************************************************************************************
     *
     *
     ******************************************************************************************************************/
    public EXIF()
<span class="fc" id="L54">      {</span>
<span class="fc" id="L55">      }</span>

    /*******************************************************************************************************************
     *
     *
     ******************************************************************************************************************/
    public EXIF (final Instant latestModificationTime)
      {
<span class="nc" id="L63">        super(latestModificationTime);</span>
<span class="nc" id="L64">      }</span>

    /*******************************************************************************************************************
     *
     * FIXME: this conversion could be generically be implemented in getObject().

this conversion could be generically be implemented in getObject().
     *
     ******************************************************************************************************************/
    @Override @Nonnull
    public Optional&lt;int[]&gt; getBitsPerSample()
      {
<span class="nc" id="L74">        Object object = getRaw(C_BITS_PER_SAMPLE);</span>

<span class="nc bnc" id="L76" title="All 2 branches missed.">        if (object instanceof short[])</span>
          {
<span class="nc" id="L78">            final var shorts = (short[])object;</span>
<span class="nc" id="L79">            final var result = new int[shorts.length];</span>

<span class="nc bnc" id="L81" title="All 2 branches missed.">            for (var i = 0; i &lt; shorts.length; i++)</span>
              {
<span class="nc" id="L83">                result[i] = shorts[i];</span>
              }

<span class="nc" id="L86">            object = result;</span>
          }

<span class="nc" id="L89">        return Optional.ofNullable((int[])object);</span>
      }

    /*******************************************************************************************************************
     *
     * The specification says it's an UNDEFINED[1], so some implementations
     * return an array of one byte instead of a single byte. This would cause
     * a ClassCastException in the generated code.
     *
     ******************************************************************************************************************/
    @Override @Nonnull
    public Optional&lt;FileSource&gt; getFileSource()
      {
<span class="fc" id="L102">        Object object = getRaw(C_FILE_SOURCE);</span>

<span class="pc bpc" id="L104" title="1 of 2 branches missed.">        if (object instanceof byte[])</span>
          {
<span class="fc" id="L106">            object = FileSource.fromInteger(((byte[])object)[0]);</span>
          }

<span class="nc bnc" id="L109" title="All 2 branches missed.">        else if (object instanceof Integer)</span>
          {
<span class="nc" id="L111">            object = FileSource.fromInteger(((Integer)object));</span>
          }

<span class="fc" id="L114">        return Optional.ofNullable((FileSource)object);</span>
      }

    /*******************************************************************************************************************
     *
     * The specification says it's an UNDEFINED[1], so some implementations
     * return an array of one byte instead of a single byte. This would cause
     * a ClassCastException in the generated code.
     *
     ******************************************************************************************************************/
    @Override @Nonnull
    public Optional&lt;SceneType&gt; getSceneType()
      {
<span class="fc" id="L127">        Object object = getRaw(C_SCENE_TYPE);</span>

<span class="pc bpc" id="L129" title="1 of 2 branches missed.">        if (object instanceof byte[])</span>
          {
<span class="fc" id="L131">            object = SceneType.fromInteger(((byte[])object)[0]);</span>
          }

<span class="nc bnc" id="L134" title="All 2 branches missed.">        else if (object instanceof Integer)</span>
          {
<span class="nc" id="L136">            object = SceneType.fromInteger(((Integer)object));</span>
          }

<span class="fc" id="L139">        return Optional.ofNullable((SceneType)object);</span>
      }

    /*******************************************************************************************************************
     *
     * {@inheritDoc}
     *
     ******************************************************************************************************************/
    @Override @Nonnull
    public Optional&lt;byte[]&gt; getUserComment()
      {
        try
          {
<span class="fc" id="L152">            return super.getUserComment();</span>
          }
<span class="nc" id="L154">        catch (Exception e)</span>
          {
<span class="nc" id="L156">            final int i = (Integer)getRaw(37510); // flowers.jpeg does this strange thing</span>

<span class="nc" id="L158">            return Optional.ofNullable((&quot;&quot; + i).getBytes());</span>
          }
      }

    /*******************************************************************************************************************
     *
     *
     ******************************************************************************************************************/
    @Nonnull
    public Optional&lt;String&gt; getUserCommentAsString()
      {
<span class="nc" id="L169">        String string = null;</span>
<span class="nc" id="L170">        final var bytes = getUserComment().orElse(null);</span>

<span class="nc bnc" id="L172" title="All 2 branches missed.">        if (bytes != null)</span>
          {
<span class="nc" id="L174">            string = new String(bytes);</span>

<span class="nc bnc" id="L176" title="All 2 branches missed.">            if (string.startsWith(ASCII_PREFIX))</span>
              {
<span class="nc" id="L178">                return Optional.of(string.substring(ASCII_PREFIX.length()));</span>
              }
          }

<span class="nc" id="L182">        return Optional.ofNullable(string);</span>
      }

    /*******************************************************************************************************************
     *
     *
     ******************************************************************************************************************/
    public void setUserCommentAsString (@Nonnull final String string)
      {
<span class="nc bnc" id="L191" title="All 2 branches missed.">        setUserComment((string == null) ? null : (ASCII_PREFIX + string).getBytes());</span>
<span class="nc" id="L192">      }</span>

    /*******************************************************************************************************************
     *
     * {@inheritDoc}
     *
     ******************************************************************************************************************/
    @Override @Nonnull
    public Optional&lt;String&gt; getOriginalRawFileName()
      {
<span class="nc" id="L202">        var value = getRaw(C_ORIGINAL_RAW_FILE_NAME);</span>

<span class="nc bnc" id="L204" title="All 2 branches missed.">        if (value instanceof byte[])</span>
          {
<span class="nc" id="L206">            value = new String((byte[])value);</span>
          }

<span class="nc" id="L209">        return Optional.ofNullable((String)value);</span>
      }

    /*******************************************************************************************************************
     *
     * @return
     *
     ******************************************************************************************************************/
    @Nonnull
    public Optional&lt;ICC_Profile&gt; getICCProfile()
      {
<span class="nc" id="L220">        return getInterColourProfile().map(ICC_Profile::getInstance);</span>
      }

    /*******************************************************************************************************************
     *
     * @return
     *
     ******************************************************************************************************************/
    @Nonnull
    public Optional&lt;Instant&gt; getDateTimeAsDate()
      {
<span class="pc" id="L231">        return getDateTime().map(EXIF::parseDateTime).flatMap(d -&gt; getSubsecTime().map(s -&gt; adjust(d, s)));</span>
      }

    /*******************************************************************************************************************
     *
     ******************************************************************************************************************/
    public void setDateTimeAsDate (@Nonnull final Instant date)
      {
<span class="nc bnc" id="L239" title="All 2 branches missed.">        setDateTime((date == null) ? null : formatDateTime(date));</span>
<span class="nc" id="L240">      }</span>

    /*******************************************************************************************************************
     *
     * @return
     *
     ******************************************************************************************************************/
    @Nonnull
    public Optional&lt;Instant&gt; getDateTimeOriginalAsDate()
      {
<span class="fc" id="L250">        return getDateTimeOriginal().map(EXIF::parseDateTime)</span>
<span class="fc" id="L251">                                    .flatMap(d -&gt; getSubsecTimeOriginal().map(s -&gt; adjust(d, s)));</span>
      }

    /*******************************************************************************************************************
     *
     ******************************************************************************************************************/
    public void setDateTimeOriginalAsDate (@Nonnull final Instant date)
      {
<span class="nc bnc" id="L259" title="All 2 branches missed.">        setDateTimeOriginal((date == null) ? null : formatDateTime(date));</span>
<span class="nc" id="L260">      }</span>

    /*******************************************************************************************************************
     *
     * @return
     *
     ******************************************************************************************************************/
    @Nonnull
    public Optional&lt;Instant&gt; getDateTimeDigitizedAsDate()
      {
<span class="fc" id="L270">        return getDateTimeDigitized().map(EXIF::parseDateTime).flatMap(d -&gt; getSubsecTimeDigitized().map(s -&gt; adjust(d,</span>
                                                                                                                  s)));
      }

    /*******************************************************************************************************************
     *
     ******************************************************************************************************************/
    public void setDateTimeDigitizedAsDate (@Nonnull final Instant date)
      {
<span class="nc bnc" id="L279" title="All 2 branches missed.">        setDateTimeDigitized((date == null) ? null : formatDateTime(date));</span>
<span class="nc" id="L280">      }</span>

    /*******************************************************************************************************************
     *
     ******************************************************************************************************************/
    @Override
    public void setDateTime (@Nonnull final String dateTime)
      {
<span class="nc" id="L288">        super.setDateTime(dateTime);</span>
<span class="nc" id="L289">      }</span>

    /*******************************************************************************************************************
     *
     ******************************************************************************************************************/
    @Override
    public void setDateTimeDigitized (@Nonnull final String dateTimeDigitized)
      {
<span class="nc" id="L297">        super.setDateTimeDigitized(dateTimeDigitized);</span>
<span class="nc" id="L298">      }</span>

    /*******************************************************************************************************************
     *
     ******************************************************************************************************************/
    @Override
    public void setDateTimeOriginal (@Nonnull final String dateTimeOriginal)
      {
<span class="nc" id="L306">        super.setDateTimeOriginal(dateTimeOriginal);</span>
<span class="nc" id="L307">      }</span>

    /*******************************************************************************************************************
     *
     * @param instant
     * @param subsec
     *
     ******************************************************************************************************************/
    @Nonnull
    private Instant adjust (@CheckForNull final Instant instant, @Nonnull final String subsec)
      {
<span class="pc bpc" id="L318" title="1 of 2 branches missed.">        if (instant == null)</span>
          {
<span class="nc" id="L320">            return null;</span>
          }

<span class="fc" id="L323">        return instant.plus(Integer.parseInt(subsec) * 10, ChronoUnit.MILLIS);</span>
      }
  }
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