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.workflow.WorkflowInstance;
019    import com.liferay.portal.kernel.workflow.WorkflowInstanceManagerUtil;
020    import com.liferay.portal.theme.ThemeDisplay;
021    import com.liferay.portal.util.PortalUtil;
022    import com.liferay.portal.util.WebKeys;
023    
024    import javax.portlet.PortletRequest;
025    
026    import javax.servlet.http.HttpServletRequest;
027    
028    /**
029     * @author Marcellus Tavares
030     */
031    public class ActionUtil {
032    
033            public static void getWorkflowInstance(HttpServletRequest request)
034                    throws Exception {
035    
036                    ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
037                            WebKeys.THEME_DISPLAY);
038    
039                    long workflowInstanceId = ParamUtil.getLong(
040                            request, "workflowInstanceId");
041    
042                    WorkflowInstance workflowInstance = null;
043    
044                    if (workflowInstanceId > 0) {
045                            workflowInstance = WorkflowInstanceManagerUtil.getWorkflowInstance(
046                                    themeDisplay.getCompanyId(), workflowInstanceId);
047                    }
048    
049                    request.setAttribute(WebKeys.WORKFLOW_INSTANCE, workflowInstance);
050            }
051    
052            public static void getWorkflowInstance(PortletRequest portletRequest)
053                    throws Exception {
054    
055                    HttpServletRequest request = PortalUtil.getHttpServletRequest(
056                            portletRequest);
057    
058                    getWorkflowInstance(request);
059            }
060    
061    }