/**
* 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;
/**
* DepthGuard, a RenderGuard that watches for depth
* @version $Rev$
*/
public class DepthGuard implements RenderGuard {
private int minDepth;
private int maxDepth;
/**
* Public constructor
* @param minDepthIn the minimum render depth
* @param maxDepthIn the maximum render depth
*/
public DepthGuard(int minDepthIn, int maxDepthIn) {
minDepth = minDepthIn;
maxDepth = maxDepthIn;
}
/**
* Returns true if we are allowed to render at the given depth.
* @param depth depth in the tree to determine if it is renderable.
* @return true if we are allowed to render at the given depth.
*/
public boolean canRender(int depth) {
if (depth < minDepth || depth > maxDepth) {
return false;
}
return true;
}
/** {@inheritDoc} */
public boolean canRender(NavNode node, int depth) {
return canRender(depth);
}
}