/*
    * Copyright 2007-2009 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.identity;
  
  import org.kuali.rice.kew.user.UserId;
  
  /**
   * The name of a Principal in KIM
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public class PrincipalName implements UserId {
  
  	private String id;
  	
  	public PrincipalName() {
  		super();
  	}
  
  	public PrincipalName(String principalName) {
  		id = principalName;
  	}
  	
  	public String getPrincipalName() {
  		return id;
  	}
  	
  	public void setPrincipalName(String principalName) {
  		id = principalName;
  	}
  	
  	@Override
  	public String getId() {
  		return getPrincipalName();
  	}
  
  	@Override
  	public boolean isEmpty() {
  		return id == null || id.trim().length() == 0;
  	}
  	
  	@Override
  	public int hashCode() {
  		final int prime = 31;
  		int result = 1;
  		result = prime * result + ((this.id == null) ? 0 : this.id.hashCode());
  		return result;
  	}
  
  	@Override
  	public boolean equals(Object obj) {
  		if (this == obj)
  			return true;
  		if (obj == null)
  			return false;
  		if (getClass() != obj.getClass())
  			return false;
  		PrincipalName other = (PrincipalName) obj;
  		if (this.id == null) {
  			if (other.id != null)
  				return false;
  		} else if (!this.id.equals(other.id))
  			return false;
  		return true;
  	}
  
  	@Override
  	public String toString() {
  		return "PrincipalName [id=" + this.id + "]";
  	}
  }