001    /**
002     * Copyright 2005-2011 The Kuali Foundation
003     *
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.opensource.org/licenses/ecl2.php
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.kuali.rice.kew.rule;
017    
018    import java.util.ArrayList;
019    import java.util.Collections;
020    import java.util.List;
021    
022    import org.kuali.rice.kew.api.identity.PrincipalId;
023    import org.kuali.rice.kew.api.rule.RoleName;
024    import org.kuali.rice.kew.engine.RouteContext;
025    
026    /**
027     * RoleAttribute that exposes an INITIATOR abstract role which resolves to the
028     * initiator of the document.
029     *
030     * @author Kuali Rice Team (rice.collab@kuali.org)
031     */
032    public class InitiatorRoleAttribute extends UnqualifiedRoleAttribute {
033        private static final String INITIATOR_ROLE_KEY = "INITIATOR";
034        private static final String INITIATOR_ROLE_LABEL = "Initiator";
035    
036        private static final RoleName ROLE = new RoleName(InitiatorRoleAttribute.class.getName(), INITIATOR_ROLE_KEY, INITIATOR_ROLE_LABEL);
037        private static final List<RoleName> ROLES;
038        static {
039            ArrayList<RoleName> roles = new ArrayList<RoleName>(1);
040            roles.add(ROLE);
041            ROLES = Collections.unmodifiableList(roles);
042        }
043    
044        public InitiatorRoleAttribute() {
045            super(ROLES);
046        }
047    
048        public ResolvedQualifiedRole resolveRole(RouteContext routeContext, String roleName) {
049            List members = new ArrayList(1);
050            members.add(new PrincipalId(routeContext.getDocument().getInitiatorWorkflowId()));
051            return new ResolvedQualifiedRole(INITIATOR_ROLE_LABEL, members);
052        }
053    }