/**
* 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.common.security.acl;
import org.apache.commons.lang.StringUtils;
/**
* Class to assist with creating Acls. This Factory will setup
* the Acl class as well as setup the default as well as the mixin AclHandlers
* associated with the Acl.
*
* TODO - consider caching the Acl instances within the Factory so we don't have to
* instantiate new ones each time. Not sure how to do this yet.
*
* @version $Rev$
*/
public class AclFactory {
// private instance of the service.
private static AclFactory instance = new AclFactory();
/**
* hidden constructor
*/
private AclFactory() {
// hidden constructor
}
/** Get the running instance of the AclFactory
*
* @return The AclFactory singleton
*/
public static AclFactory getInstance() {
return instance;
}
/**
* Get an instance of an Acl
* @param mixinsIn the String with a comma separated list of classnames
* @return Acl created
*/
public Acl getAcl(String mixinsIn) {
Acl aclObj = new Acl();
Access access = new Access();
aclObj.registerHandler(access);
// Add the mixin handlers as well.
if (mixinsIn != null) {
String[] mixin = StringUtils.split(mixinsIn, ",");
for (int i = 0; i < mixin.length; i++) {
aclObj.registerHandler(StringUtils.trim(mixin[i]));
}
}
return aclObj;
}
}