/**

  * Copyright 2005-2011 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.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<org.kuali.rice.kew.actionitem.ActionItem> 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<org.kuali.rice.kew.actionitem.ActionItem> 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");

         }

     }

 }