/**
    * Copyright 2005-2012 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.
   */
  package org.kuali.rice.kew.impl.actionlist;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.core.api.exception.RiceIllegalArgumentException;
  import org.kuali.rice.kew.actionitem.ActionItemActionListExtension;
  import org.kuali.rice.kew.api.action.ActionItem;
  import org.kuali.rice.kew.api.actionlist.ActionListService;
  import org.kuali.rice.kew.service.KEWServiceLocator;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  
  /**
   * Reference implementation of the {@link org.kuali.rice.kew.api.actionlist.ActionListService} api.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public class ActionListServiceNewImpl implements ActionListService {
  
      @Override
      public Integer getUserActionItemCount(String principalId) {
          incomingParamCheck(principalId, "principalId");
          return Integer.valueOf(KEWServiceLocator.getActionListService().getCount(principalId));
      }
  
      @Override
      public List<ActionItem> getActionItemsForPrincipal(String principalId) {
          incomingParamCheck(principalId, "principalId");
          Collection<ActionItemActionListExtension> actionItems
                  = KEWServiceLocator.getActionListService().getActionList(principalId, null);
          List<ActionItem> actionItemVOs = new ArrayList<ActionItem>(actionItems.size());
          for (org.kuali.rice.kew.actionitem.ActionItem actionItem : actionItems) {
              actionItemVOs.add(org.kuali.rice.kew.actionitem.ActionItem.to(actionItem));
          }
          return actionItemVOs;
      }
  
      @Override
      public List<ActionItem> getAllActionItems(String documentId) {
          incomingParamCheck(documentId, "documentId");
          Collection<ActionItemActionListExtension> actionItems
                  = KEWServiceLocator.getActionListService().getActionListForSingleDocument(documentId);
          List<ActionItem> actionItemVOs = new ArrayList<ActionItem>(actionItems.size());
          for (org.kuali.rice.kew.actionitem.ActionItem actionItem : actionItems) {
              actionItemVOs.add(org.kuali.rice.kew.actionitem.ActionItem.to(actionItem));
          }
          return actionItemVOs;
      }
  
      @Override
      public List<ActionItem> getActionItems(String documentId, List<String> actionRequestedCodes) {
          incomingParamCheck(documentId, "documentId");
          List<ActionItem> actionItems = getAllActionItems(documentId);
          List<ActionItem> matchingActionitems = new ArrayList<ActionItem>();
          for (ActionItem actionItemVO : actionItems) {
              if (actionRequestedCodes.contains(actionItemVO.getActionRequestCd())) {
                  matchingActionitems.add(actionItemVO);
              }
          }
          return matchingActionitems;
      }
  
      private void incomingParamCheck(Object object, String name) {
          if (object == null) {
              throw new RiceIllegalArgumentException(name + " was null");
          } else if (object instanceof String
                  && StringUtils.isBlank((String) object)) {
              throw new RiceIllegalArgumentException(name + " was blank");
          }
      }
  }