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<#assign assetEntryLocalService = serviceLocator.findService("com.liferay.asset.kernel.service.AssetEntryLocalService")/>

<#if Request.INFO_ITEM_DETAILS??>
  <#assign 
    info_item_reference = Request.INFO_ITEM_DETAILS.getInfoItemReference()
    
    className = info_item_reference.getClassName()
    classPK = info_item_reference.getClassPK()
    
    asset = assetEntryLocalService.getEntry(className, classPK)

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<#assign
  assetDisplayPageFriendlyURLProvider = serviceLocator.findService("com.liferay.asset.display.page.portlet.AssetDisplayPageFriendlyURLProvider")
  friendlyURL = assetDisplayPageFriendlyURLProvider.getFriendlyURL(assetEntry.getClassName(), assetEntry.getClassPK(), themeDisplay)
/>
${friendlyURL}

* Make sure to remove `serviceLocator` from `Restricted Classes` in `System Settings > Template Engines > FreeMarker Engine`.
* Your Freemarker can be a Fragment, Widget Template, Web Content Template, etc; just make sure to use Freemarker's alternative square bracket syntax when inside a Fragment.

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<#assign 
  JournalArticleService = serviceLocator.findService("com.liferay.journal.service.JournalArticleLocalService")
  AssetEntryLocalService = serviceLocator.findService("com.liferay.asset.kernel.service.AssetEntryLocalService")

  journalArticle = JournalArticleService.getArticle(themeDisplay.getSiteGroupId(),.data_model["reserved-article-id"].data)
  assetEntry = AssetEntryLocalService.getEntry(journalArticle.getModelClassName(), journalArticle.getResourcePrimKey())
/>

${assetEntry}

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package br.com.simplify.liferay.rest.application;

import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;

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lang.user.name.required.field.names=

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import com.liferay.headless.admin.user.resource.v1_0.RoleResource
import com.liferay.portal.kernel.model.User
import com.liferay.portal.kernel.model.role.RoleConstants
import com.liferay.portal.kernel.security.auth.GuestOrUserUtil
import com.liferay.portal.kernel.service.ServiceContext
import com.liferay.portal.kernel.service.ServiceContextThreadLocal
import com.liferay.portal.vulcan.pagination.Pagination
import com.liferay.portal.vulcan.resource.locator.ResourceLocator
import com.liferay.portal.vulcan.resource.locator.ResourceLocatorFactory
import org.osgi.framework.Bundle

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import com.liferay.journal.service.JournalArticleLocalService
import com.liferay.portal.template.ServiceLocator

serviceLocator = ServiceLocator.newInstance()
journalArticleLocalService = serviceLocator.findService(JournalArticleLocalService.class.getName())
println journalArticleLocalService.getJournalArticles(1,3)

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{
  "fieldSets": [
    {
      "fields": [
        {
          "name": "number",
          "label": "Number",
          "type": "text",
          "dataType": "int",
          "defaultValue": "5",

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import com.liferay.registry.Registry
import com.liferay.registry.RegistryUtil
import com.liferay.registry.ServiceReference

def getService(Class clazz) {
    Registry registry = RegistryUtil.getRegistry();

    ServiceReference serviceReference = registry.getServiceReference(clazz);

    return registry.getService(serviceReference);

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private SchedulerEngine getSchedulerEngine() {
    SchedulerEngine schedulerEngine = (SchedulerEngine) IdentifiableOSGiServiceUtil.getIdentifiableOSGiService(OSGI_SERVICE_IDENTIFIER);
}

private final String OSGI_SERVICE_IDENTIFIER = "com.liferay.portal.scheduler.multiple.internal.ClusterSchedulerEngine";
SchedulerEngine schedulerEngine = getSchedulerEngine();