Content of file ScanningMetadataInterpolatorFactory.java.html

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 * #%L
 * *********************************************************************************************************************
 *
 * NorthernWind - lightweight CMS
 * http://northernwind.tidalwave.it - git clone https://bitbucket.org/tidalwave/northernwind-src.git
 * %%
 * Copyright (C) 2011 - 2023 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.
 *
 * *********************************************************************************************************************
 *
 *
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 * #L%
 */
package it.tidalwave.northernwind.frontend.media.impl.interpolator;

import javax.annotation.PostConstruct;
import java.util.ArrayList;
import java.util.List;
import it.tidalwave.util.spring.ClassScanner;
import lombok.Getter;
import lombok.extern.slf4j.Slf4j;

/***********************************************************************************************************************
 *
 * An implementation of {@link MetadataInterpolatorFactory} that scans the class path for candidates.
 *
 * @author  Fabrizio Giudici
 *
 **********************************************************************************************************************/
<span class="fc" id="L43">@Slf4j</span>
<span class="fc" id="L44">public class ScanningMetadataInterpolatorFactory implements MetadataInterpolatorFactory</span>
  {
<span class="fc" id="L46">    @Getter</span>
    private final List&lt;MetadataInterpolator&gt; interpolators = new ArrayList&lt;&gt;();

    @PostConstruct
    public void initialize()
      {
<span class="fc" id="L52">        interpolators.clear();</span>
<span class="fc" id="L53">        log.info(&quot;Scanning for metadata interpolators...&quot;);</span>

        // FIXME: doesn't check through the whole hierarchy
doesn't check through the whole hierarchy
<span class="fc" id="L56"> final var scanner = new ClassScanner().withIncludeFilter((metadataReader, metadataReaderFactory) -&gt;</span> { <span class="fc" id="L58"> final var interfaceNames = List.of(metadataReader.getClassMetadata().getInterfaceNames());</span> <span class="fc" id="L59"> final var superClassName = metadataReader.getClassMetadata().getSuperClassName();</span> <span class="fc bfc" id="L61" title="All 4 branches covered."> return interfaceNames.contains(MetadataInterpolator.class.getName()) ||</span> <span class="fc bfc" id="L62" title="All 2 branches covered."> ((superClassName != null) &amp;&amp; superClassName.equals(MetadataInterpolatorSupport.class.getName()));</span> }); <span class="fc bfc" id="L65" title="All 2 branches covered."> for (final var clazz : scanner.findClasses())</span> { try { <span class="fc" id="L69"> interpolators.add((MetadataInterpolator)clazz.newInstance());</span> <span class="fc" id="L70"> log.info(&quot;&gt;&gt;&gt;&gt; added metadata interpolator: {}&quot;, clazz);</span> } <span class="nc" id="L72"> catch (InstantiationException | IllegalAccessException e)</span> { <span class="nc" id="L74"> log.warn(&quot;Couldn't add metadata interpolator: &quot; + clazz, e);</span> <span class="fc" id="L75"> }</span> <span class="fc" id="L76"> }</span> <span class="fc" id="L77"> }</span> } </pre><div class="footer"><span class="right">Created with <a href="http://www.jacoco.org/jacoco">JaCoCo</a> 0.8.9.202303310957</span></div></body></html>