001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.usergroupsadmin.action;
016    
017    import com.liferay.portal.NoSuchUserGroupException;
018    import com.liferay.portal.kernel.servlet.SessionErrors;
019    import com.liferay.portal.kernel.util.Constants;
020    import com.liferay.portal.kernel.util.ParamUtil;
021    import com.liferay.portal.kernel.util.StringUtil;
022    import com.liferay.portal.kernel.util.Validator;
023    import com.liferay.portal.security.auth.PrincipalException;
024    import com.liferay.portal.service.UserServiceUtil;
025    import com.liferay.portal.struts.PortletAction;
026    
027    import javax.portlet.ActionRequest;
028    import javax.portlet.ActionResponse;
029    import javax.portlet.PortletConfig;
030    import javax.portlet.RenderRequest;
031    import javax.portlet.RenderResponse;
032    
033    import org.apache.struts.action.ActionForm;
034    import org.apache.struts.action.ActionForward;
035    import org.apache.struts.action.ActionMapping;
036    
037    /**
038     * @author Charles May
039     */
040    public class EditUserGroupAssignmentsAction extends PortletAction {
041    
042            @Override
043            public void processAction(
044                            ActionMapping actionMapping, ActionForm actionForm,
045                            PortletConfig portletConfig, ActionRequest actionRequest,
046                            ActionResponse actionResponse)
047                    throws Exception {
048    
049                    String cmd = ParamUtil.getString(actionRequest, Constants.CMD);
050    
051                    try {
052                            if (cmd.equals("user_group_users")) {
053                                    updateUserGroupUsers(actionRequest);
054                            }
055    
056                            if (Validator.isNotNull(cmd)) {
057                                    String redirect = ParamUtil.getString(
058                                            actionRequest, "assignmentsRedirect");
059    
060                                    sendRedirect(actionRequest, actionResponse, redirect);
061                            }
062                    }
063                    catch (Exception e) {
064                            if (e instanceof NoSuchUserGroupException ||
065                                    e instanceof PrincipalException) {
066    
067                                    SessionErrors.add(actionRequest, e.getClass());
068    
069                                    setForward(actionRequest, "portlet.user_groups_admin.error");
070                            }
071                            else {
072                                    throw e;
073                            }
074                    }
075            }
076    
077            @Override
078            public ActionForward render(
079                            ActionMapping actionMapping, ActionForm actionForm,
080                            PortletConfig portletConfig, RenderRequest renderRequest,
081                            RenderResponse renderResponse)
082                    throws Exception {
083    
084                    try {
085                            ActionUtil.getUserGroup(renderRequest);
086                    }
087                    catch (Exception e) {
088                            if (e instanceof NoSuchUserGroupException ||
089                                    e instanceof PrincipalException) {
090    
091                                    SessionErrors.add(renderRequest, e.getClass());
092    
093                                    return actionMapping.findForward(
094                                            "portlet.user_groups_admin.error");
095                            }
096                            else {
097                                    throw e;
098                            }
099                    }
100    
101                    return actionMapping.findForward(
102                            getForward(
103                                    renderRequest,
104                                    "portlet.user_groups_admin.edit_user_group_assignments"));
105            }
106    
107            protected void updateUserGroupUsers(ActionRequest actionRequest)
108                    throws Exception {
109    
110                    long userGroupId = ParamUtil.getLong(actionRequest, "userGroupId");
111    
112                    long[] addUserIds = StringUtil.split(
113                            ParamUtil.getString(actionRequest, "addUserIds"), 0L);
114                    long[] removeUserIds = StringUtil.split(
115                            ParamUtil.getString(actionRequest, "removeUserIds"), 0L);
116    
117                    UserServiceUtil.addUserGroupUsers(userGroupId, addUserIds);
118                    UserServiceUtil.unsetUserGroupUsers(userGroupId, removeUserIds);
119            }
120    
121    }