DefaultNodeContainerViewController.java
- /*
- * #%L
- * *********************************************************************************************************************
- *
- * NorthernWind - lightweight CMS
- * http://northernwind.tidalwave.it - git clone https://bitbucket.org/tidalwave/northernwind-src.git
- * %%
- * Copyright (C) 2011 - 2021 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.frontend.ui.component.nodecontainer;
- import javax.annotation.Nonnull;
- import java.util.List;
- import java.util.stream.Stream;
- import it.tidalwave.util.Key;
- import java.util.Optional;
- import it.tidalwave.northernwind.core.model.RequestLocaleManager;
- import it.tidalwave.northernwind.core.model.ResourcePath;
- import it.tidalwave.northernwind.core.model.ResourceProperties;
- import it.tidalwave.northernwind.core.model.Site;
- import it.tidalwave.northernwind.core.model.SiteNode;
- import it.tidalwave.northernwind.frontend.ui.RenderContext;
- import lombok.RequiredArgsConstructor;
- import lombok.extern.slf4j.Slf4j;
- import static java.util.Collections.*;
- import static java.util.stream.Collectors.*;
- import static it.tidalwave.northernwind.core.model.Content.*;
- import static it.tidalwave.northernwind.core.model.SiteNode._SiteNode_;
- import static it.tidalwave.northernwind.frontend.ui.component.Properties.*;
- /***********************************************************************************************************************
- *
- * @author Fabrizio Giudici
- *
- **********************************************************************************************************************/
- @RequiredArgsConstructor @Slf4j
- public class DefaultNodeContainerViewController implements NodeContainerViewController
- {
- // TODO: this class should not set the HTML contents... it should be a responsibility of the view.
- // Instead, it should pass unformatted objects
- private static final String RSS_MIME_TYPE = "application/rss+xml";
- private static final String TEMPLATE_LINK_SCREEN_CSS =
- "<link rel=\"stylesheet\" media=\"screen\" href=\"%s\" type=\"text/css\" />%n";
- private static final String TEMPLATE_LINK_PRINT_CSS =
- "<link rel=\"stylesheet\" media=\"print\" href=\"%s\" type=\"text/css\" />%n";
- // Always use </script> to close, as some browsers break without
- private static final String TEMPLATE_SCRIPT =
- "<script type=\"text/javascript\" src=\"%s\"></script>%n";
- private static final String TEMPLATE_RSS_LINK =
- "<link rel=\"alternate\" type=\"%s\" title=\"%s\" href=\"%s\" />%n";
- @Nonnull
- private final NodeContainerView view;
- @Nonnull
- private final SiteNode siteNode;
- @Nonnull
- private final RequestLocaleManager requestLocaleManager;
- /*******************************************************************************************************************
- *
- * {@inheritDoc}
- *
- ******************************************************************************************************************/
- @Override
- public void renderView (@Nonnull final RenderContext context)
- throws Exception
- {
- final ResourceProperties viewProperties = getViewProperties();
- final ResourceProperties siteNodeProperties = context.getRequestContext().getNodeProperties();
- viewProperties.getProperty(P_TEMPLATE_PATH).flatMap(p -> siteNode.getSite().getTemplate(getClass(), p))
- .ifPresent(view::setTemplate);
- view.addAttribute("language", requestLocaleManager.getLocales().get(0).getLanguage());
- viewProperties.getProperty(P_DESCRIPTION).ifPresent(d -> view.addAttribute("description", d));
- viewProperties.getProperty(P_TITLE_PREFIX).ifPresent(p -> view.addAttribute("titlePrefix", p));
- Stream.of(siteNodeProperties.getProperty(PD_TITLE), siteNodeProperties.getProperty(P_TITLE)) // TODO: use multi-key
- .filter(Optional::isPresent)
- .map(Optional::get)
- .findFirst().ifPresent(s -> view.addAttribute("title", s));
- view.addAttribute("screenCssSection", computeScreenCssSection());
- view.addAttribute("printCssSection", computePrintCssSection());
- view.addAttribute("rssFeeds", computeRssFeedsSection());
- view.addAttribute("scripts", computeScriptsSection());
- view.addAttribute("inlinedScripts", computeInlinedScriptsSection());
- siteNodeProperties.getProperty(PD_IMAGE_ID).ifPresent(id -> view.addAttribute("imageId", id));
- siteNodeProperties.getProperty(PD_URL).ifPresent(id -> view.addAttribute("url", id));
- }
- /*******************************************************************************************************************
- *
- * .
- *
- ******************************************************************************************************************/
- @Nonnull
- protected ResourceProperties getViewProperties()
- {
- return siteNode.getPropertyGroup(view.getId());
- }
- /*******************************************************************************************************************
- *
- * .
- *
- ******************************************************************************************************************/
- @Nonnull
- private String computeScreenCssSection()
- {
- return streamOf(P_SCREEN_STYLE_SHEETS)
- .map(this::createLink)
- .map(link -> String.format(TEMPLATE_LINK_SCREEN_CSS, link))
- .collect(joining());
- }
- /*******************************************************************************************************************
- *
- * .
- *
- ******************************************************************************************************************/
- @Nonnull
- private String computePrintCssSection()
- {
- return streamOf(P_PRINT_STYLE_SHEETS)
- .map(this::createLink)
- .map(link -> String.format(TEMPLATE_LINK_PRINT_CSS, link))
- .collect(joining());
- }
- /*******************************************************************************************************************
- *
- * .
- *
- ******************************************************************************************************************/
- @Nonnull
- private String computeRssFeedsSection()
- {
- final Site site = siteNode.getSite();
- return streamOf(P_RSS_FEEDS)
- .flatMap(relativePath -> site.find(_SiteNode_).withRelativePath(relativePath).stream())
- .map(node -> String.format(TEMPLATE_RSS_LINK,
- RSS_MIME_TYPE,
- node.getProperty(P_TITLE).orElse("RSS"),
- site.createLink(node.getRelativeUri())))
- .collect(joining());
- }
- /*******************************************************************************************************************
- *
- * .
- *
- ******************************************************************************************************************/
- @Nonnull
- private String computeScriptsSection()
- {
- return streamOf(P_SCRIPTS)
- .map(relativeUri -> siteNode.getSite().createLink(ResourcePath.of(relativeUri)))
- .map(link -> String.format(TEMPLATE_SCRIPT, link))
- .collect(joining());
- }
- /*******************************************************************************************************************
- *
- * .
- *
- ******************************************************************************************************************/
- @Nonnull
- protected String computeInlinedScriptsSection()
- {
- return streamOf(P_INLINED_SCRIPTS)
- .flatMap(path -> siteNode.getSite().find(_Content_).withRelativePath(path).stream())
- .flatMap(script -> script.getProperty(P_TEMPLATE).stream())
- .collect(joining());
- }
- /*******************************************************************************************************************
- *
- * .
- *
- ******************************************************************************************************************/
- @Nonnull
- private Stream<String> streamOf (@Nonnull final Key<List<String>> key)
- {
- return getViewProperties().getProperty(key).orElse(emptyList()).stream();
- }
- /*******************************************************************************************************************
- *
- * .
- *
- ******************************************************************************************************************/
- @Nonnull
- private String createLink (@Nonnull final String relativeUri)
- {
- return relativeUri.startsWith("http") ? relativeUri : siteNode.getSite().createLink(ResourcePath.of(relativeUri));
- }
- }