Extending the Multi Site Manager

package com.adobe.example.msm;

import java.util.Collections;

import com.day.cq.wcm.api.NameConstants;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.resource.ValueMap;
import org.apache.sling.api.wrappers.ValueMapDecorator;
import org.apache.sling.commons.json.io.JSONWriter;
import org.apache.sling.commons.json.JSONException;

import org.osgi.service.component.annotations.Component;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.jcr.Session;

import com.day.cq.wcm.msm.api.ActionConfig;
import com.day.cq.wcm.msm.api.LiveAction;
import com.day.cq.wcm.msm.api.LiveActionFactory;
import com.day.cq.wcm.msm.api.LiveRelationship;
import com.day.cq.wcm.api.WCMException;

@Component(
service = LiveActionFactory.class,
property = {LiveActionFactory.LIVE_ACTION_NAME + "=" + ExampleLiveActionFactory.LIVE_ACTION_NAME})
public class ExampleLiveActionFactory implements LiveActionFactory<LiveAction> {
  private static final Logger logger = LoggerFactory.getLogger(ExampleLiveActionFactory.class);

  public static final String LIVE_ACTION_NAME = "CustomAction";

  public LiveAction createAction(Resource config) {
    ValueMap configs;
    /* Adapt the config resource to a ValueMap */
    if (config == null || config.adaptTo(ValueMap.class) == null) {
      configs = new ValueMapDecorator(Collections.<String, Object>emptyMap());
    } else {
      configs = config.adaptTo(ValueMap.class);
    }

    return new ExampleLiveAction(LIVE_ACTION_NAME, configs);
  }
  public String createsAction() {
    return LIVE_ACTION_NAME;
  }

  /************* LiveAction ****************/
  private static class ExampleLiveAction implements LiveAction {
    private String name;
    private ValueMap configs;
    private static final Logger log = LoggerFactory.getLogger(ExampleLiveAction.class);

  public ExampleLiveAction(String nm, ValueMap config){
    name = nm;
    configs = config;
  }

  public void execute(Resource source, Resource target,
                      LiveRelationship liverel, boolean autoSave, boolean isResetRollout)
                    throws WCMException {

    String lastMod = null;

    log.info(" *** Executing ExampleLiveAction *** ");

    /* Determine if the LiveAction is configured to copy the cq:lastModifiedBy property */
    if ((Boolean) configs.get("repLastModBy")){

      /* get the source's cq:lastModifiedBy property */
      if (source != null && source.adaptTo(Node.class) !=  null){
        ValueMap sourcevm = source.adaptTo(ValueMap.class);
        lastMod = sourcevm.get(NameConstants.PN_PAGE_LAST_MOD_BY, String.class);
      }

      /* set the target node's la-lastModifiedBy property */
      Session session = null;
      if (target != null && target.adaptTo(Node.class) !=  null){
        ResourceResolver resolver = target.getResourceResolver();
        session = resolver.adaptTo(javax.jcr.Session.class);
        Node targetNode;
        try{
          targetNode=target.adaptTo(javax.jcr.Node.class);
          targetNode.setProperty("la-lastModifiedBy", lastMod);
          log.info(" *** Target node lastModifiedBy property updated: {} ***",lastMod);
        }catch(Exception e){
          log.error(e.getMessage());
        }
      }
      if(autoSave){
        try {
          session.save();
        } catch (Exception e) {
          try {
            session.refresh(true);
          } catch (RepositoryException e1) {
            e1.printStackTrace();
          }
          e.printStackTrace();
        }
      }
    }
  }
  public String getName() {
    return name;
  }

  /************* Deprecated *************/
  @Deprecated
  public void execute(ResourceResolver arg0, LiveRelationship arg1,
                     ActionConfig arg2, boolean arg3) throws WCMException {
  }
  @Deprecated
  public void execute(ResourceResolver arg0, LiveRelationship arg1,
                      ActionConfig arg2, boolean arg3, boolean arg4)
                    throws WCMException {
  }
  @Deprecated
  public String getParameterName() {
    return null;
  }
  @Deprecated
    public String[] getPropertiesNames() {
      return null;
  }
  @Deprecated
  public int getRank() {
    return 0;
  }
  @Deprecated
  public String getTitle() {
    return null;
  }
  @Deprecated
  public void write(JSONWriter arg0) throws JSONException {
  }
}