/*
 * @(#)PersistentGroupCreator.java
 *
 * Copyright 2011 Instituto Superior Tecnico
 * Founding Authors: Luis Cruz, Sérgio Silva
 * 
 *      https://fenix-ashes.ist.utl.pt/
 * 
 *   This file is part of the File Management Module.
 *
 *   The File Management Module 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 
 *   3 of the License, or (at your option) any later version.
 *
 *   The File Management  Module 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 the File Management  Module. If not, see <http://www.gnu.org/licenses/>.
 * 
 */
package module.fileManagement.presentationTier.component.groups;

import java.util.Collection;
import java.util.HashSet;

import pt.ist.bennu.core.domain.MyOrg;
import pt.ist.bennu.core.domain.Presentable;
import pt.ist.bennu.core.domain.groups.PersistentGroup;

/**
 * 
 * @author Sérgio Silva
 * 
 */
public class PersistentGroupCreator implements HasPersistentGroupCreator {

    @Override
    public HasPersistentGroup createGroupFor(final Object itemId) {
        if (itemId != null && itemId instanceof PersistentGroup) {
            final PersistentGroup persistentGroup = (PersistentGroup) itemId;
            return new PersistentGroupHolder(persistentGroup);
        }
        return null;
    }

    @Override
    public Collection<Presentable> getElements(String filterText) {
        Collection<Presentable> presentables = new HashSet<Presentable>();

        for (final PersistentGroup persistentGroup : MyOrg.getInstance().getSystemGroupsSet()) {
            if (filterText == null || persistentGroup.getPresentationName().contains(filterText)) {
                presentables.add(persistentGroup);
            }
        }

        return presentables;
    }

}