/*
 * Copyright (C) 2005 Alfresco, Inc.
 *
 * Licensed under the Mozilla Public License version 1.1 
 * with a permitted attribution clause. You may obtain a
 * copy of the License at
 *
 *   http://www.alfresco.org/legal/license.txt
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific
 * language governing permissions and limitations under the
 * License.
 */
package org.alfresco.repo.jscript;

import org.alfresco.service.ServiceRegistry;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.security.PersonService;
import org.mozilla.javascript.Scriptable;

/**
 * Scripted People service for describing and executing actions against People & Groups.
 * 
 * @author davidc
 */
public final class People extends BaseScriptImplementation implements Scopeable
{
    /** Repository Service Registry */
    private ServiceRegistry services;

    /** Root scope for this object */
    private Scriptable scope;

    /**
     * Set the service registry
     * 
     * @param serviceRegistry	the service registry
     */
    public void setServiceRegistry(ServiceRegistry serviceRegistry)
    {
    	this.services = serviceRegistry;
    }

    /**
     * @see org.alfresco.repo.jscript.Scopeable#setScope(org.mozilla.javascript.Scriptable)
     */
    public void setScope(Scriptable scope)
    {
        this.scope = scope;
    }
    
    /**
     * Gets the Person given the username
     * 
     * @return the person node (type cm:person) or null if no such person exists 
     */
    public Node getPerson(String username)
    {
        Node person = null;
        PersonService personService = services.getPersonService();
        if (personService.personExists(username))
        {
            NodeRef personRef = personService.getPerson(username);
            person = new Node(personRef, services, scope);
        }
        return person;
    }
    
}