src/main/java/us/jts/fortress/DelAccessMgrFactory.java

/*
 * Copyright (c) 2009-2013, JoshuaTree. All Rights Reserved.
 */

package us.jts.fortress;

import us.jts.fortress.cfg.Config;
import us.jts.fortress.rbac.ClassUtil;
import us.jts.fortress.rbac.DelAccessMgrImpl;
import us.jts.fortress.rbac.Session;
import us.jts.fortress.rest.DelAccessMgrRestImpl;
import us.jts.fortress.util.attr.VUtil;

/**
 * Creates an instance of the DelAccessMgr object.
 * <p/>
 * The default implementation class is specified as {@link DelAccessMgrImpl} but can be overridden by
 * adding the {@link GlobalIds#DELEGATED_ACCESS_IMPLEMENTATION} config property.
 * <p/>
 *
 * @author Shawn McKinney
 */
public class DelAccessMgrFactory
{
    private static String accessClassName = Config.getProperty(GlobalIds.DELEGATED_ACCESS_IMPLEMENTATION);
    private static final String CLS_NM = DelAccessMgrFactory.class.getName();

    /**
     * Create and return a reference to {@link DelAccessMgr} object.
     *
     * @param contextId maps to sub-tree in DIT, for example ou=contextId, dc=jts, dc = com.
     * @return instance of {@link DelAccessMgr}.
     * @throws SecurityException in the event of failure during instantiation.
     */
    public static DelAccessMgr createInstance(String contextId)
        throws SecurityException
    {
        VUtil.assertNotNull(contextId, GlobalErrIds.CONTEXT_NULL, CLS_NM + ".createInstance");
        if (!VUtil.isNotNullOrEmpty(accessClassName))
        {
            if(GlobalIds.IS_REST)
            {
                accessClassName = DelAccessMgrRestImpl.class.getName();
            }
            else
            {
                accessClassName = DelAccessMgrImpl.class.getName();
            }
        }

        DelAccessMgr accessMgr = (DelAccessMgr) ClassUtil.createInstance(accessClassName);
        accessMgr.setContextId(contextId);
        return accessMgr;
    }


    /**
     * Create and return a reference to {@link us.jts.fortress.DelAccessMgr} object.
     *
     * @param contextId maps to sub-tree in DIT, for example ou=contextId, dc=jts, dc = com.
     * @param adminSess contains a valid Fortress A/RBAC Session object.
     * @return instance of {@link us.jts.fortress.DelAccessMgr}.
     * @throws SecurityException in the event of failure during instantiation.
     */
    public static DelAccessMgr createInstance(String contextId, Session adminSess)
        throws SecurityException
    {
        DelAccessMgr accessMgr = createInstance(contextId);
        accessMgr.setAdmin(adminSess);
        return accessMgr;
    }
}