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import org.apache.sling.models.annotations.Model;
import org.apache.sling.api.resource.Resource;
import org.apache.commons.lang3.StringUtils;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.models.annotations.DefaultInjectionStrategy;
import org.apache.sling.models.annotations.Exporter;
import org.apache.sling.models.annotations.injectorspecific.Self;
import org.apache.sling.models.annotations.Via;
import org.apache.sling.models.annotations.via.ResourceSuperType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import lombok.experimental.Delegate;
import com.adobe.cq.export.json.ExporterConstants;
import com.adobe.cq.wcm.core.components.models.ExperienceFragment;
import com.adobe.cq.xf.ExperienceFragmentsConstants;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.models.annotations.injectorspecific.SlingObject;
import org.apache.sling.models.annotations.injectorspecific.ScriptVariable;
import org.apache.sling.models.annotations.injectorspecific.InjectionStrategy;
import com.day.cq.wcm.api.Page;
@Model(adaptables = { Resource.class,
SlingHttpServletRequest.class }, adapters = ExperienceFragment.class, resourceType = CustomExperienceFragmentImpl.RESOURCE_TYPE, defaultInjectionStrategy = DefaultInjectionStrategy.OPTIONAL)
@Exporter(name = ExporterConstants.SLING_MODEL_EXPORTER_NAME, extensions = ExporterConstants.SLING_MODEL_EXTENSION)
public class CustomExperienceFragmentImpl implements ExperienceFragment {
public static final String RESOURCE_TYPE = "mysite/components/experiencefragment";
@Self
@Via(type = ResourceSuperType.class)
@Delegate(excludes = DelegationExclusion.class)
private ExperienceFragment delegate;
@Self
private SlingHttpServletRequest request;
@SlingObject
private ResourceResolver resourceResolver;
@ScriptVariable(injectionStrategy = InjectionStrategy.OPTIONAL)
private Page currentPage;
private static final Logger LOGGER = LoggerFactory.getLogger(CustomExperienceFragmentImpl.class);
private static final String CONTENT_ROOT = "/content";
private static final String XF_HEADER_VARIATION_PATH = "/site/header/master";
private static final String XF_FOOTER_VARIATION_PATH = "/site/footer/master";
private static final String CONTENT_ROOT_EWP = "/content/test";
private static final String XF_HEADER_VARIATION = "/header/";
private static final String XF_FOOTER_VARIATION = "/footer/";
/*
* Return the site specific headers and footers, delegate to Core Component
* ExperienceFragment Model for remaining scenarios
*/
@Override
public String getLocalizedFragmentVariationPath() {
try {
if (currentPage != null && currentPage.getAbsoluteParent(2) != null) {
final String currentPageRootPath = currentPage.getAbsoluteParent(2).getPath();
String fragmentVariationPath = request.getResource().getValueMap()
.get(ExperienceFragment.PN_FRAGMENT_VARIATION_PATH, String.class);
if (StringUtils.isNoneEmpty(fragmentVariationPath) && StringUtils.isNoneEmpty(currentPageRootPath)
&& !currentPageRootPath.startsWith(CONTENT_ROOT_EWP)) {
LOGGER.debug("CurrentPageRootPath: {} FragmentVariationPath: {}", currentPageRootPath,
fragmentVariationPath);
if (fragmentVariationPath.contains(XF_HEADER_VARIATION)) {
String xfVariationPath = StringUtils.join(StringUtils.replace(currentPageRootPath, CONTENT_ROOT,
ExperienceFragmentsConstants.CONTENT_PATH, 1), XF_HEADER_VARIATION_PATH);
if (resourceExists(xfVariationPath)) {
LOGGER.debug("Handling the header variation. XfVariationPath - {} ", xfVariationPath);
return xfVariationPath;
}
} else if (fragmentVariationPath.contains(XF_FOOTER_VARIATION)) {
String xfVariationPath = StringUtils.join(StringUtils.replace(currentPageRootPath, CONTENT_ROOT,
ExperienceFragmentsConstants.CONTENT_PATH, 1), XF_FOOTER_VARIATION_PATH);
if (resourceExists(xfVariationPath)) {
LOGGER.debug("Handling the footer variation. XfVariationPath - {} ", xfVariationPath);
return xfVariationPath;
}
}
}
}
} catch (Exception e) {
LOGGER.error(e.getMessage());
}
return delegate.getLocalizedFragmentVariationPath();
}
private boolean resourceExists(final String path) {
return (StringUtils.isNotEmpty(path) && this.request.getResourceResolver().getResource(path) != null);
}
private interface DelegationExclusion {
String getLocalizedFragmentVariationPath();
}
}
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