Source for file AuthZXmlAction.class.php

<?php
/**
 * @since 11/29/06
 * @package polyphony.authorization
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: AuthZXmlAction.class.php,v 1.4 2007/09/19 14:04:53 adamfranco Exp $
 */ 
 
require_once(POLYPHONY_DIR.'/main/library/AbstractActions/XmlAction.class.php');
 
/**
 * This class implements common authorization methods
 * 
 * @since 11/29/06
 * @package polyphony.authorization
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: AuthZXmlAction.class.php,v 1.4 2007/09/19 14:04:53 adamfranco Exp $
 */
class AuthZXmlAction
    extends XmlAction
{
 
    /**
     * Execute this action
     * 
     * @return void 
     * @access public
     * @since 11/29/06
     */
    function execute () {
        if (!$this->isAuthorizedToExecute())
            $this->getUnauthorizedMessage();
        else
            $this->buildContent();        
    }
        
    /**
     * Answer the Id of the qualifier
     * 
     * @return object Id 
     * @access public
     * @since 11/29/06
     */
    function getQualifierId () {
        if (!isset($this->_qualifierId)) {
            $idManager = Services::getService("Id");
            $harmoni = Harmoni::instance();
            $harmoni->request->startNamespace("polyphony-authz");
            
            if (!RequestContext::value('qualifier_id'))
                $this->error("No Qualifier Id");
            
            $this->_qualifierId = $idManager->getId(
                RequestContext::value('qualifier_id'));
            
            $harmoni->request->endNamespace();
        }
        return $this->_qualifierId;
    }
    
    /**
     * Answer the Id of the qualifier
     * 
     * @return object Id 
     * @access public
     * @since 11/29/06
     */
    function getFunctionId () {
        if (!isset($this->_functionId)) {
            $idManager = Services::getService("Id");
            $harmoni = Harmoni::instance();
            $harmoni->request->startNamespace("polyphony-authz");
            
            if (!RequestContext::value('function_id'))
                $this->error("No Function Id");
            
            $this->_functionId = $idManager->getId(
                RequestContext::value('function_id'));
            
            $harmoni->request->endNamespace();
        }
        return $this->_functionId;
    }
    
    /**
     * Answer the Id of the agent
     * 
     * @return object Id 
     * @access public
     * @since 11/29/06
     */
    function getAgentId () {
        if (!isset($this->_agentId)) {
            $idManager = Services::getService("Id");
            $harmoni = Harmoni::instance();
            $harmoni->request->startNamespace("polyphony-authz");
            
            if (!RequestContext::value('agent_id'))
                $this->error("No Agent Id");
            
            $this->_agentId = $idManager->getId(
                RequestContext::value('agent_id'));
            
            $harmoni->request->endNamespace();
        }
        return $this->_agentId;
    }
    
}
 
?>