/*
    This file is part of Cyclos (www.cyclos.org).
    A project of the Social Trade Organisation (www.socialtrade.org).

    Cyclos is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    Cyclos is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Cyclos; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

 */
package nl.strohalm.cyclos.struts.access.policies.utils;

import nl.strohalm.cyclos.struts.access.ActionDescriptor;
import nl.strohalm.cyclos.struts.access.ActionPolicy;


/**
 * A compound policy that evaluates the logic OR of other policies
 * @author ameyer
 */
public class OrActionPolicy implements ActionPolicy {
    public static OrActionPolicy create(final ActionPolicy... policies) {
        return new OrActionPolicy(policies);
    }

    private ActionPolicy[] policies;

    private OrActionPolicy(final ActionPolicy[] policies) {
        this.policies = policies;
    }

    @Override
    public boolean check(final ActionDescriptor descriptor) {
        if (policies == null) {
            return false;
        }
        for (final ActionPolicy policy : policies) {
            if (policy.check(descriptor)) {
                return true;
            }
        }
        return false;
    }

}