AEM Sightly ACS Commons Generic List Server Side

acscommons_genericlist.html

<div data-sly-use.conf="${'com.test.test2.util.CustomList' @ listname='configuration'}" data-sly-unwrap></div>
<ul>
  <li>${conf.list.hello}</li>
  <li>${conf.list.analytics @context='scriptString'}</li>
</ul>

acscommons_genericlist.java

/**
 * <h1>CustomList</h1>
 * Provides Sightly with Values from ACS Commons Generic List
 * For additional details http://adobe-consulting-services.github.io/acs-aem-commons/features/generic-lists.html
 * <p>
 *
 * @author  Eric Soukenka
 * @version 1.0
 * @since   2014-12-05
 */
package com.test.test2.util;
  
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import org.apache.log4j.Logger;
import com.adobe.acs.commons.genericlists.GenericList;
import com.adobe.cq.sightly.WCMUse;
import com.day.cq.wcm.api.Page;

public class CustomList extends WCMUse {
    static Logger log = Logger.getLogger(CustomList.class.getName());
    static final private String ROOTPATH = "/etc/acs-commons/lists/";
    private HashMap<String, String> listValues;

    @Override
    public void activate() throws Exception {
        listValues = getList();
    }

    public HashMap<String, String> getList() {
        HashMap<String, String> listValues = new LinkedHashMap<String, String>();
        try {
            String listName = get("listname", String.class);
            Page listPage = getPageManager().getPage( ROOTPATH + listName);
            GenericList genericList = listPage.adaptTo(GenericList.class);
            List<GenericList.Item> list = genericList.getItems();
            for(GenericList.Item item : list) {
                listValues.put(item.getTitle(), item.getValue());
            }
        } catch (Exception e) {
            log.error("Error in :" + e);
        }
        return listValues;
    }
}