/*
 * Copyright (C) 2003-2004 Red Hat Inc. All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */
package com.arsdigita.cms.ui;

import com.arsdigita.bebop.Component;
import com.arsdigita.bebop.PageState;
import com.arsdigita.toolbox.ui.ProxyComponent;
import com.arsdigita.util.Assert;

import org.libreccm.cdi.utils.CdiUtil;
import org.libreccm.security.PermissionChecker;

/**
 * @author Justin Ross
 * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
 */
public class VisibilityComponent extends ProxyComponent {

    private final String m_action;

    public VisibilityComponent(final Component child, final String action) {
        super(child);

        m_action = action;
    }

    @Override
    public boolean isVisible(final PageState state) {
        return super.isVisible(state) && hasPermission(state);
    }

    public boolean hasPermission(final PageState state) {
        Assert.exists(m_action, String.class);

        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
        final PermissionChecker permissionChecker = cdiUtil.findBean(
            PermissionChecker.class);

        return permissionChecker.isPermitted(m_action);
    }

}