/*
* Copyright (C) 2011 eXo Platform SAS.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.jcr.impl.xml.importing;
import org.exoplatform.services.jcr.access.AccessControlEntry;
import org.exoplatform.services.jcr.access.AccessControlList;
import java.util.ArrayList;
import java.util.List;
/**
* @author <a href="abazko@exoplatform.com">Anatoliy Bazko</a>
* @version $Id: ACLInitializationHelper.java 34360 2009-07-22 23:58:59Z tolusha $
*/
public class ACLInitializationHelper
{
public static AccessControlList initAcl(AccessControlList parentACL, String owner, List<String> exoPermissions)
{
boolean isOwneable = owner != null;
boolean isPrivilegeable = exoPermissions != null;
AccessControlList acl;
if (isOwneable)
{
// has own owner
if (isPrivilegeable)
{
// and permissions
acl = new AccessControlList(owner, readACLPermisions(exoPermissions));
}
else if (parentACL != null)
{
// use permissions from existed parent
acl = new AccessControlList(owner, parentACL.hasPermissions() ? parentACL.getPermissionEntries() : null);
}
else
{
// have to search nearest ancestor permissions in ACL manager
// acl = new AccessControlList(owner,
// traverseACLPermissions(cpid));
acl = new AccessControlList(owner, null);
}
}
else if (isPrivilegeable)
{
// has own permissions
if (isOwneable)
{
// and owner
acl = new AccessControlList(owner, readACLPermisions(exoPermissions));
}
else if (parentACL != null)
{
// use owner from existed parent
acl = new AccessControlList(parentACL.getOwner(), readACLPermisions(exoPermissions));
}
else
{
// have to search nearest ancestor owner in ACL manager
// acl = new AccessControlList(traverseACLOwner(cpid),
// readACLPermisions(cid));
acl = new AccessControlList(null, readACLPermisions(exoPermissions));
}
}
else
{
if (parentACL != null)
// construct ACL from existed parent ACL
acl =
new AccessControlList(parentACL.getOwner(), parentACL.hasPermissions()
? parentACL.getPermissionEntries() : null);
else
// have to search nearest ancestor owner and permissions in ACL manager
// acl = traverseACL(cpid);
acl = null;
}
return acl;
}
/**
* Return permission values or throw an exception. We assume the node is
* mix:privilegeable.
*/
private static List<AccessControlEntry> readACLPermisions(List<String> exoPermissions)
{
List<AccessControlEntry> naPermissions = new ArrayList<AccessControlEntry>();
for (String perm : exoPermissions)
{
naPermissions.add(AccessControlEntry.parse(perm));
}
return naPermissions;
}
}