/**

  * 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.rule;

 import java.util.ArrayList;

 import java.util.Collections;

 import java.util.List;

 import org.kuali.rice.kew.api.identity.PrincipalId;

 import org.kuali.rice.kew.api.rule.RoleName;

 import org.kuali.rice.kew.engine.RouteContext;

 /**

  * RoleAttribute that exposes an INITIATOR abstract role which resolves to the

  * initiator of the document.

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class InitiatorRoleAttribute extends UnqualifiedRoleAttribute {

     private static final String INITIATOR_ROLE_KEY = "INITIATOR";

     private static final String INITIATOR_ROLE_LABEL = "Initiator";

     private static final RoleName ROLE = new RoleName(InitiatorRoleAttribute.class.getName(), INITIATOR_ROLE_KEY, INITIATOR_ROLE_LABEL);

     private static final List<RoleName> ROLES;

     static {

         ArrayList<RoleName> roles = new ArrayList<RoleName>(1);

         roles.add(ROLE);

         ROLES = Collections.unmodifiableList(roles);

     }

     public InitiatorRoleAttribute() {

         super(ROLES);

     }

     public ResolvedQualifiedRole resolveRole(RouteContext routeContext, String roleName) {

         List members = new ArrayList(1);

         members.add(new PrincipalId(routeContext.getDocument().getInitiatorWorkflowId()));

         return new ResolvedQualifiedRole(INITIATOR_ROLE_LABEL, members);

     }

 }