Java tutorial
/** * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. */ package com.liferay.portlet.dynamicdatamapping.action; import com.liferay.portal.kernel.servlet.SessionErrors; import com.liferay.portal.kernel.servlet.SessionMessages; import com.liferay.portal.kernel.util.LocalizationUtil; import com.liferay.portal.kernel.util.ParamUtil; import com.liferay.portal.kernel.util.Validator; import com.liferay.portal.security.auth.PrincipalException; import com.liferay.portal.service.ServiceContext; import com.liferay.portal.service.ServiceContextFactory; import com.liferay.portal.struts.PortletAction; import com.liferay.portal.theme.ThemeDisplay; import com.liferay.portal.util.WebKeys; import com.liferay.portlet.PortletURLImpl; import com.liferay.portlet.dynamicdatamapping.NoSuchStructureException; import com.liferay.portlet.dynamicdatamapping.StructureNameException; import com.liferay.portlet.dynamicdatamapping.model.DDMStructure; import com.liferay.portlet.dynamicdatamapping.model.DDMTemplate; import com.liferay.portlet.dynamicdatamapping.model.DDMTemplateConstants; import com.liferay.portlet.dynamicdatamapping.service.DDMStructureServiceUtil; import com.liferay.portlet.dynamicdatamapping.service.DDMTemplateServiceUtil; import java.util.Locale; import java.util.Map; import javax.portlet.ActionRequest; import javax.portlet.ActionResponse; import javax.portlet.PortletConfig; import javax.portlet.PortletRequest; import javax.portlet.RenderRequest; import javax.portlet.RenderResponse; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; /** * @author Marcellus Tavares */ public class CopyStructureAction extends PortletAction { @Override public void processAction(ActionMapping mapping, ActionForm form, PortletConfig portletConfig, ActionRequest actionRequest, ActionResponse actionResponse) throws Exception { try { DDMStructure structure = copyStructure(actionRequest); String redirect = getSaveAndContinueRedirect(portletConfig, actionRequest, structure); String closeRedirect = ParamUtil.getString(actionRequest, "closeRedirect"); if (Validator.isNotNull(closeRedirect)) { SessionMessages.add(actionRequest, portletConfig.getPortletName() + SessionMessages.KEY_SUFFIX_CLOSE_REDIRECT, closeRedirect); } sendRedirect(actionRequest, actionResponse, redirect); } catch (Exception e) { if (e instanceof NoSuchStructureException || e instanceof PrincipalException) { SessionErrors.add(actionRequest, e.getClass().getName()); setForward(actionRequest, "portlet.dynamic_data_mapping.error"); } else if (e instanceof StructureNameException) { SessionErrors.add(actionRequest, e.getClass().getName(), e); } else { throw e; } } } @Override public ActionForward render(ActionMapping mapping, ActionForm form, PortletConfig portletConfig, RenderRequest renderRequest, RenderResponse renderResponse) throws Exception { try { ActionUtil.getStructure(renderRequest); } catch (NoSuchStructureException nsse) { // Let this slide because the user can manually input a structure // key for a new structure that does not yet exist } catch (Exception e) { if (e instanceof PrincipalException) { SessionErrors.add(renderRequest, e.getClass().getName()); return mapping.findForward("portlet.dynamic_data_mapping.error"); } else { throw e; } } return mapping.findForward(getForward(renderRequest, "portlet.dynamic_data_mapping.copy_structure")); } protected DDMStructure copyStructure(ActionRequest actionRequest) throws Exception { long structureId = ParamUtil.getLong(actionRequest, "structureId"); Map<Locale, String> nameMap = LocalizationUtil.getLocalizationMap(actionRequest, "name"); ServiceContext serviceContext = ServiceContextFactory.getInstance(DDMStructure.class.getName(), actionRequest); DDMStructure structure = DDMStructureServiceUtil.copyStructure(structureId, nameMap, null, serviceContext); copyTemplates(actionRequest, structureId, structure.getStructureId()); return structure; } protected void copyTemplates(ActionRequest actionRequest, long structureId, long newStructureId) throws Exception { ServiceContext serviceContext = ServiceContextFactory.getInstance(DDMTemplate.class.getName(), actionRequest); boolean copyDetailTemplates = ParamUtil.getBoolean(actionRequest, "copyDetailTemplates"); if (copyDetailTemplates) { DDMTemplateServiceUtil.copyTemplates(structureId, newStructureId, DDMTemplateConstants.TEMPLATE_TYPE_DETAIL, serviceContext); } boolean copyListTemplates = ParamUtil.getBoolean(actionRequest, "copyListTemplates"); if (copyListTemplates) { DDMTemplateServiceUtil.copyTemplates(structureId, newStructureId, DDMTemplateConstants.TEMPLATE_TYPE_LIST, serviceContext); } } protected String getSaveAndContinueRedirect(PortletConfig portletConfig, ActionRequest actionRequest, DDMStructure structure) throws Exception { ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY); PortletURLImpl portletURL = new PortletURLImpl(actionRequest, portletConfig.getPortletName(), themeDisplay.getPlid(), PortletRequest.RENDER_PHASE); portletURL.setWindowState(actionRequest.getWindowState()); portletURL.setParameter("struts_action", "/dynamic_data_mapping/copy_structure"); portletURL.setParameter("structureId", String.valueOf(structure.getStructureId()), false); portletURL.setParameter("copyDetailTemplates", ParamUtil.getString(actionRequest, "copyDetailTemplates"), false); portletURL.setParameter("copyListTemplates", ParamUtil.getString(actionRequest, "copyListTemplates"), false); return portletURL.toString(); } }