Content of file DefaultMediaRequestProcessor.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 "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.
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* #L%
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package it.tidalwave.northernwind.core.model.spi;
import javax.annotation.Nonnull;
import javax.inject.Inject;
import javax.inject.Provider;
import java.time.Duration;
import java.io.IOException;
import org.springframework.core.annotation.Order;
import it.tidalwave.util.NotFoundException;
import it.tidalwave.northernwind.core.model.Request;
import it.tidalwave.northernwind.core.model.RequestProcessor;
import it.tidalwave.northernwind.core.model.ResourcePath;
import it.tidalwave.northernwind.core.model.SiteProvider;
import lombok.Getter;
import lombok.Setter;
import lombok.extern.slf4j.Slf4j;
import static org.springframework.core.Ordered.HIGHEST_PRECEDENCE;
import static it.tidalwave.northernwind.core.model.Media._Media_;
import static it.tidalwave.northernwind.core.model.RequestProcessor.Status.*;
/***********************************************************************************************************************
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
<span class="nc" id="L52">@Slf4j @Order(HIGHEST_PRECEDENCE+2)</span>
<span class="nc" id="L53">public class DefaultMediaRequestProcessor<ResponseType> implements RequestProcessor</span>
{
@Inject
private Provider<SiteProvider> siteProvider;
@Inject
protected ResponseHolder<ResponseType> responseHolder;
<span class="nc" id="L61"> @Getter @Setter</span>
<span class="nc" id="L62"> private Duration duration = Duration.ofDays(7); // FIXME: rename to expirationDuration</span>
<span class="nc" id="L64"> @Getter @Setter</span>
private String uriPrefix = "media"; // FIXME
@Override @Nonnull
public Status process (@Nonnull final Request request)
throws NotFoundException, IOException
{
<span class="nc" id="L71"> var mediaUri = ResourcePath.of(request.getRelativeUri());</span>
<span class="nc bnc" id="L73" title="All 2 branches missed."> if (!mediaUri.startsWith(uriPrefix))</span>
{
<span class="nc" id="L75"> return CONTINUE;</span>
}
<span class="nc" id="L78"> mediaUri = mediaUri.withoutLeading(); // media</span>
//
// Media that can be served at different sizes are mapped to URLs such as:
//
// /media/stillimages/<media-id>/<size>/image.jpg
// /media/movies/<media-id>/<size>/movie.jpg
//
// TODO: perhaps this logic should be moved to the media finder? Such as:
// find(Media).withSize(1920).withRelativePath(uri).result()
//
<span class="nc bnc" id="L88" title="All 4 branches missed."> if (mediaUri.startsWith("stillimages") || mediaUri.startsWith("movies"))</span>
{
//
// TODO: retrocompatibility with StoppingDown and Bluette
// http://stoppingdown.net/media/stillimages/1920/20120802-0010.jpg
// Should be dealt with a specific redirector in the website and removed from here.
//
<span class="nc bnc" id="L95" title="All 2 branches missed."> if (mediaUri.getSegmentCount() == 3)</span>
{
<span class="nc" id="L97"> final var extension = mediaUri.getExtension();</span>
<span class="nc" id="L98"> final var fileName = mediaUri.getTrailing(); // 20120802-0010.jpg</span>
<span class="nc" id="L99"> mediaUri = mediaUri.withoutTrailing();</span>
<span class="nc" id="L100"> final var size = mediaUri.getTrailing(); // 1920</span>
<span class="nc" id="L101"> mediaUri = mediaUri.withoutTrailing();</span>
<span class="nc" id="L102"> mediaUri = mediaUri.appendedWith(fileName.replaceAll("\\..*$", ""))</span>
<span class="nc" id="L103"> .appendedWith("" + size)</span>
<span class="nc" id="L104"> .appendedWith("image." + extension);</span>
<span class="nc" id="L105"> mediaUri = mediaUri.prependedWith(uriPrefix);</span>
<span class="nc" id="L106"> final var redirect = mediaUri.asString();</span>
<span class="nc" id="L107"> log.info(">>>> permanently redirecting to {}", redirect);</span>
<span class="nc" id="L108"> responseHolder.response().permanentRedirect(redirect).put();</span>
<span class="nc" id="L109"> return BREAK;</span>
}
// END TODO
<span class="nc" id="L113"> final var extension = mediaUri.getExtension(); // jpg</span>
// final String fileName = mediaUri.getTrailing(); // image.jpg
<span class="nc" id="L115"> mediaUri = mediaUri.withoutTrailing();</span>
<span class="nc" id="L116"> final var size = mediaUri.getTrailing(); // 1920</span>
<span class="nc" id="L117"> mediaUri = mediaUri.withoutTrailing();</span>
<span class="nc" id="L118"> final var mediaId = mediaUri.getTrailing(); // 20120802-0010</span>
<span class="nc" id="L119"> mediaUri = mediaUri.withoutTrailing();</span>
<span class="nc" id="L120"> mediaUri = mediaUri.appendedWith(size).appendedWith(mediaId + "." + extension);</span>
}
<span class="nc" id="L123"> final var media = siteProvider.get().getSite().find(_Media_).withRelativePath(mediaUri).result();</span>
<span class="nc" id="L124"> final var file = media.getFile();</span>
<span class="nc" id="L125"> log.info(">>>> serving contents of {} ...", file.getPath().asString());</span>
<span class="nc" id="L127"> responseHolder.response().fromFile(file)</span>
<span class="nc" id="L128"> .withExpirationTime(duration)</span>
<span class="nc" id="L129"> .forRequest(request)</span>
<span class="nc" id="L130"> .put();</span>
<span class="nc" id="L131"> return BREAK;</span>
}
}
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