001/*
002 * (C) Copyright 2011 Nuxeo SA (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     ataillefer
016 */
017package org.nuxeo.ecm.platform.task.core.helpers;
018
019import java.util.ArrayList;
020import java.util.List;
021
022import org.nuxeo.ecm.core.api.NuxeoGroup;
023import org.nuxeo.ecm.core.api.NuxeoPrincipal;
024
025/**
026 * Helper class for dealing with task actors.
027 * <p>
028 * Provides a method to build the task actors list.
029 * 
030 * @author ataillefer
031 */
032public final class TaskActorsHelper {
033
034    /**
035     * Prevent instantiation.
036     */
037    private TaskActorsHelper() {
038        // Final class
039    }
040
041    /**
042     * Gets the task actors list: prefixed and unprefixed names of the principal and all its groups.
043     * 
044     * @param principal the principal
045     * @return the actors and group
046     */
047    public static List<String> getTaskActors(NuxeoPrincipal principal) {
048
049        List<String> actors = new ArrayList<String>();
050
051        String name = principal.getName();
052        actors.add(name);
053        if (!name.startsWith(NuxeoPrincipal.PREFIX)) {
054            actors.add(NuxeoPrincipal.PREFIX + name);
055        } else {
056            actors.add(name.substring(NuxeoPrincipal.PREFIX.length()));
057        }
058        for (String group : principal.getAllGroups()) {
059            actors.add(group);
060            if (!group.startsWith(NuxeoGroup.PREFIX)) {
061                actors.add(NuxeoGroup.PREFIX + group);
062            } else {
063                actors.add(group.substring(NuxeoGroup.PREFIX.length()));
064            }
065        }
066
067        return actors;
068    }
069}