/**
* Copyright (C) 2009 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.webui.organization;
import org.exoplatform.commons.utils.ListAccess;
import org.exoplatform.webui.organization.UIUserMembershipSelector.Membership;
import java.util.ArrayList;
import java.util.List;
/*
* Created by The eXo Platform SAS
* Author : tam.nguyen
* tamndrok@gmail.com
* May 16, 2009
*/
public class MembershipListAccess implements ListAccess<Membership>
{
private final List<Membership> list;
MembershipListAccess(List<Membership> list)
{
if (list == null)
{
this.list = new ArrayList<Membership>();
}
else
{
this.list = list;
}
}
public Membership[] load(int index, int length) throws Exception, IllegalArgumentException
{
if (index < 0)
throw new IllegalArgumentException("Illegal index: index must be a positive number");
if (length < 0)
throw new IllegalArgumentException("Illegal length: length must be a positive number");
if (index + length > list.size())
throw new IllegalArgumentException(
"Illegal index or length: sum of the index and the length cannot be greater than the list size");
Membership result[] = new Membership[length];
for (int i = 0; i < length; i++)
result[i] = list.get(i + index);
return result;
}
public int getSize() throws Exception
{
return list.size();
}
}