001    /**
002     * Copyright (c) 2000-2010 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.workflowinstances.action;
016    
017    import com.liferay.portal.kernel.util.ParamUtil;
018    import com.liferay.portal.kernel.util.Validator;
019    import com.liferay.portal.kernel.workflow.WorkflowInstance;
020    import com.liferay.portal.kernel.workflow.WorkflowInstanceManagerUtil;
021    import com.liferay.portal.theme.ThemeDisplay;
022    import com.liferay.portal.util.PortalUtil;
023    import com.liferay.portal.util.WebKeys;
024    
025    import javax.portlet.PortletRequest;
026    
027    import javax.servlet.http.HttpServletRequest;
028    
029    /**
030     * @author Marcellus Tavares
031     */
032    public class ActionUtil {
033    
034            public static void getWorkflowInstance(HttpServletRequest request)
035                    throws Exception {
036    
037                    ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
038                            WebKeys.THEME_DISPLAY);
039    
040                    long workflowInstanceId = ParamUtil.getLong(
041                            request, "workflowInstanceId");
042    
043                    WorkflowInstance workflowInstance = null;
044    
045                    if (Validator.isNotNull(workflowInstanceId)) {
046                            workflowInstance = WorkflowInstanceManagerUtil.getWorkflowInstance(
047                                    themeDisplay.getCompanyId(), workflowInstanceId);
048                    }
049    
050                    request.setAttribute(WebKeys.WORKFLOW_INSTANCE, workflowInstance);
051            }
052    
053            public static void getWorkflowInstance(PortletRequest portletRequest)
054                    throws Exception {
055    
056                    HttpServletRequest request = PortalUtil.getHttpServletRequest(
057                            portletRequest);
058    
059                    getWorkflowInstance(request);
060            }
061    
062    }