/**
* Copyright (c) 2009--2010 Red Hat, Inc.
*
* This software is licensed to you under the GNU General Public License,
* version 2 (GPLv2). There is NO WARRANTY for this software, express or
* implied, including the implied warranties of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
* along with this software; if not, see
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
*
* Red Hat trademarks are not licensed under GPLv2. No permission is
* granted to use or replicate Red Hat trademarks that are incorporated
* in this software or its documentation.
*/
package com.redhat.rhn.frontend.nav;
import com.redhat.rhn.common.security.acl.Acl;
import com.redhat.rhn.common.security.acl.AclFactory;
import java.util.Map;
/**
* AclGuard
* @version $Rev$
*/
public class AclGuard implements RenderGuard {
private Map context;
private String mixins;
/**
* Constructor
* @param ctx Acl Context
* @param mixinsIn The string of classnames used to add extra Acl Handlers
*/
public AclGuard(Map ctx, String mixinsIn) {
super();
context = ctx;
this.mixins = mixinsIn;
}
/**
* Constructor
* @param ctx Acl Context
*/
public AclGuard(Map ctx) {
this(ctx, null);
}
/**
* Returns true if the acl of the NavNode evaluates to true.
* Returns false otherwise.
* @param node NavNode whose Acl is checked.
* @param depth ignored.
* @return true if the acl of the NavNode evalutes to true.
*/
public boolean canRender(NavNode node, int depth) {
// we ignore depth
if (node == null) {
return true;
}
String aclStr = node.getAcl();
if (aclStr == null || "".equals(aclStr)) {
return true;
}
Acl acl = AclFactory.getInstance().getAcl(mixins);
boolean rc = acl.evalAcl(context, aclStr);
return rc;
}
}