Content of file NodeLinkWithContentMacroFilter.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.
*
* *********************************************************************************************************************
*
*
* *********************************************************************************************************************
* #L%
*/
package it.tidalwave.northernwind.core.impl.filter;
import javax.annotation.Nonnull;
import javax.inject.Inject;
import javax.inject.Provider;
import java.util.Optional;
import java.util.regex.Matcher;
import org.springframework.beans.factory.annotation.Configurable;
import org.springframework.core.annotation.Order;
import it.tidalwave.util.NotFoundException;
import it.tidalwave.northernwind.core.model.SiteProvider;
import it.tidalwave.northernwind.core.model.spi.ParameterLanguageOverrideLinkPostProcessor;
import lombok.extern.slf4j.Slf4j;
import static it.tidalwave.northernwind.core.model.Content._Content_;
import static it.tidalwave.northernwind.core.model.SiteNode._SiteNode_;
/***********************************************************************************************************************
*
* Implements the filter which expands the macro {@code nodeLink} into a link.
*
* <pre>
* $nodeLink(relativePath='path1' contentRelativePath='path2' language='lang')$
* </pre>
*
* <ul>
* <li>{@code relativePath} must point to a node;</li>
* <li>{@code contentRelativePath} must point to a content path inside that node;</li>
* <li>{@code language} (optional) represents a language.</li>
* </ul>
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
<span class="fc" id="L60">@Configurable @Order(NodeLinkMacroFilter.ORDER - 1) @Slf4j</span>
public class NodeLinkWithContentMacroFilter extends MacroFilter
{
@Inject
private Provider<SiteProvider> siteProvider;
@Inject
private Optional<ParameterLanguageOverrideLinkPostProcessor> postProcessor;
// FIXME: merge with NodeLinkMacroFilter, using an optional block for contentRelativePath
merge with NodeLinkMacroFilter, using an optional block for contentRelativePath
public NodeLinkWithContentMacroFilter()
{
<span class="fc" id="L72"> super("\\$nodeLink\\(relativePath='(?<relativePath>[^']*)', "</span>
+ "contentRelativePath='(?<contentRelativePath>[^']*)'"
+ "(, language='(?<language>[^']*)')?\\)\\$");
<span class="pc bpc" id="L75" title="1 of 4 branches missed."> }</span>
@Override @Nonnull
protected String filter (@Nonnull final Matcher matcher)
throws NotFoundException
{
<span class="fc" id="L81"> final var relativePath = matcher.group("relativePath");</span>
<span class="fc" id="L82"> final var contentRelativePath = matcher.group("contentRelativePath");</span>
<span class="fc" id="L83"> final var language = Optional.ofNullable(matcher.group("language"));</span>
<span class="fc" id="L85"> final var site = siteProvider.get().getSite();</span>
<span class="fc" id="L86"> final var siteNode = site.find(_SiteNode_).withRelativePath(relativePath).result();</span>
<span class="fc" id="L87"> final var content = site.find(_Content_).withRelativePath(contentRelativePath).result();</span>
<span class="fc" id="L88"> final var nodePath = siteNode.getRelativeUri();</span>
<span class="pc" id="L89"> final var contentPath = content.getExposedUri().orElseThrow(() -> new NotFoundException("Content with no exposed URI"));</span>
<span class="fc" id="L90"> final var link = site.createLink(nodePath.appendedWith(contentPath));</span>
<span class="fc" id="L92"> return language.flatMap(l -> postProcessor.map(pp -> pp.postProcess(link, l))).orElse(link);</span>
}
}
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