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/****************************************************************************** 
 * The contents of this file are subject to the   Compiere License  Version 1.1 
 * ("License"); You may not use this file except in compliance with the License 
 * You may obtain a copy of the License at http://www.compiere.org/license.html 
 * Software distributed under the License is distributed on an  "AS IS"  basis, 
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for 
 * the specific language governing rights and limitations under the License. 
 * The Original Code is                  Compiere  ERP & CRM  Business Solution 
 * The Initial Developer of the Original Code is Jorg Janke  and ComPiere, Inc. 
 * Portions created by Jorg Janke are Copyright (C) 1999-2001 Jorg Janke, parts 
 * created by ComPiere are Copyright (C) ComPiere, Inc.;   All Rights Reserved. 
 * Contributor(s): ______________________________________. 
 *****************************************************************************/ 
package org.compiere.model; 
 
import java.security.*; 
import java.util.Arrays; 
import java.util.List; 
 
/** 
 * Implementation of java.security.Principal 
 * 
 * @author Jorg Janke 
 * @version $Revision: 1.1 $ $Date: 2001/10/20 21:13:47 $ 
 */ 
public class CompierePrincipal implements Principal 
{ 
	/** 
	 * Construct a new Principal, associated with the specified Realm, for the 
	 * specified username and password, with the specified role names 
	 * (as Strings). 
	 * 
	 * @param realm The Realm that owns this principal 
	 * @param name The username of the user represented by this Principal 
	 * @param password Credentials used to authenticate this user 
	 * @param roles List of roles (must be Strings) possessed by this user 
	 */ 
	public CompierePrincipal (String name, String password, List roles) 
	{ 
		super(); 
		m_name = name; 
		m_password = password; 
		if (roles != null) 
		{ 
			m_roles = new String[roles.size()]; 
			m_roles = (String[]) roles.toArray(m_roles); 
			if (m_roles.length > 0) 
				Arrays.sort(m_roles); 
		} 
	}   //  CompierePrincipal 
 
 
	/** Username of the user represented by this Principal  */ 
	private String      m_name = null; 
	/** Authentication credentials for the user represented by this Principal   */ 
	private String      m_password = null; 
	/** Array of roles associated with this user            */ 
	private String      m_roles[] = new String[0]; 
 
 
	/** 
	 *  Get Name 
	 */ 
	public String getName() 
	{ 
		return m_name; 
	}   //  getName 
 
	/** 
	 *  Get Password 
	 */ 
	String getPassword() 
	{ 
		return m_password; 
	}   //  getPassword 
 
	/** 
	 *  Get Roles 
	 */ 
	String[] getRoles() 
	{ 
		return m_roles; 
	}   //  getRoles 
 
	/** 
	 * Return a String representation of this object, which exposes only 
	 * information that should be public. 
	 */ 
	public String toString() 
	{ 
		StringBuffer sb = new StringBuffer("CompierePrincipal["); 
		sb.append(m_name).append(": "); 
		for (int i = 0; i < m_roles.length; i++) 
			sb.append(m_roles[i]).append(" "); 
		sb.append("]"); 
		return (sb.toString()); 
	}   //  toString 
 
	/** 
	 * Does the user represented by this Principal possess the specified role? 
	 * 
	 * @param role Role to be tested 
	 */ 
	public boolean hasRole (String role) 
	{ 
		if (role == null) 
			return false; 
		return (Arrays.binarySearch(m_roles, role) >= 0); 
	}   //  hasRole 
 
}   //  CompierePrincipal