/*
    * Copyright 2005-2007 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.util;
  
  import java.io.Serializable;
  
  import org.kuali.rice.kew.actionrequest.ActionRequestValue;
  
  
  /**
   * A user, workgroup, or role who is responsible for an Action Request.
   * 
   * @see ActionRequestValue
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class ResponsibleParty implements Serializable {
  
  	private static final long serialVersionUID = 6788236688949489851L;
  
  	private String principalId;
      private String groupId;
      private String roleName;
  
      public ResponsibleParty() {
      }
  
      public static ResponsibleParty fromGroupId(String groupId) {
  		ResponsibleParty responsibleParty = new ResponsibleParty();
  		responsibleParty.setGroupId(groupId);
  		return responsibleParty;
  	}
  	
  	public static ResponsibleParty fromPrincipalId(String principalId) {
  		ResponsibleParty responsibleParty = new ResponsibleParty();
  		responsibleParty.setPrincipalId(principalId);
  		return responsibleParty;
  	}
  	
  	public static ResponsibleParty fromRoleName(String roleName) {
  		ResponsibleParty responsibleParty = new ResponsibleParty();
  		responsibleParty.setRoleName(roleName);
  		return responsibleParty;
  	}
  
      public String toString() {
          StringBuffer sb = new StringBuffer("[");
          if (principalId != null) {
              sb.append("user=");
              sb.append(principalId.toString());
          } else if (groupId != null) {
              sb.append("groupID=");
              sb.append(groupId.toString());
          } else if (roleName != null) {
              sb.append("roleName=");
              sb.append(roleName);
          }
          sb.append("]");
          return sb.toString();
      }
  
      public String getGroupId() {
          return groupId;
      }
  
      public String getPrincipalId() {
          return principalId;
      }
      
      public void setPrincipalId(String principalId) {
          this.principalId = principalId;
      }
  
      public String getRoleName() {
          return roleName;
      }
  
      public void setGroupId(String groupId) {
          this.groupId = groupId;
      }
  
      public void setRoleName(String roleName) {
          this.roleName = roleName;
      }
  
     public boolean isPrincipal() {
         return getPrincipalId() != null;
     }
 
     public boolean isGroup() {
         return getGroupId() != null;
     }
 
     public boolean isRole() {
         return getRoleName() != null;
     }
     
 }