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.upload.UploadPortletRequest; import com.liferay.portal.kernel.util.Constants; 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.PortalUtil; import com.liferay.portal.util.WebKeys; import com.liferay.portlet.PortletPreferencesFactoryUtil; import com.liferay.portlet.PortletURLImpl; import com.liferay.portlet.dynamicdatamapping.NoSuchTemplateException; import com.liferay.portlet.dynamicdatamapping.TemplateNameException; import com.liferay.portlet.dynamicdatamapping.TemplateScriptException; 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.DDMStructureLocalServiceUtil; import com.liferay.portlet.dynamicdatamapping.service.DDMTemplateServiceUtil; import com.liferay.util.JS; import java.util.Locale; import java.util.Map; import javax.portlet.ActionRequest; import javax.portlet.ActionResponse; import javax.portlet.PortletConfig; import javax.portlet.PortletPreferences; 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 Eduardo Lundgren */ public class EditTemplateAction extends PortletAction { @Override public void processAction(ActionMapping mapping, ActionForm form, PortletConfig portletConfig, ActionRequest actionRequest, ActionResponse actionResponse) throws Exception { String cmd = ParamUtil.getString(actionRequest, Constants.CMD); DDMTemplate template = null; try { if (cmd.equals(Constants.ADD) || cmd.equals(Constants.UPDATE)) { template = updateTemplate(actionRequest); } else if (cmd.equals(Constants.DELETE)) { deleteTemplate(actionRequest); } if (Validator.isNotNull(cmd)) { String redirect = ParamUtil.getString(actionRequest, "redirect"); if (template != null) { boolean saveAndContinue = ParamUtil.getBoolean(actionRequest, "saveAndContinue"); if (saveAndContinue) { redirect = getSaveAndContinueRedirect(portletConfig, actionRequest, template, redirect); } } sendRedirect(actionRequest, actionResponse, redirect); } } catch (Exception e) { if (e instanceof NoSuchTemplateException || e instanceof PrincipalException) { SessionErrors.add(actionRequest, e.getClass().getName()); setForward(actionRequest, "portlet.dynamic_data_mapping.error"); } else if (e instanceof TemplateNameException || e instanceof TemplateScriptException) { 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); ActionUtil.getTemplate(renderRequest); } catch (Exception e) { if (e instanceof NoSuchTemplateException || 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.edit_template")); } protected void deleteTemplate(ActionRequest actionRequest) throws Exception { long templateId = ParamUtil.getLong(actionRequest, "templateId"); if (templateId > 0) { DDMTemplateServiceUtil.deleteTemplate(templateId); } } protected String getSaveAndContinueRedirect(PortletConfig portletConfig, ActionRequest actionRequest, DDMTemplate template, String redirect) throws Exception { ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY); long structureId = ParamUtil.getLong(actionRequest, "structureId"); String availableFields = ParamUtil.getString(actionRequest, "availableFields"); String saveCallback = ParamUtil.getString(actionRequest, "saveCallback"); PortletURLImpl portletURL = new PortletURLImpl(actionRequest, portletConfig.getPortletName(), themeDisplay.getPlid(), PortletRequest.RENDER_PHASE); portletURL.setWindowState(actionRequest.getWindowState()); portletURL.setParameter(Constants.CMD, Constants.UPDATE, false); portletURL.setParameter("struts_action", "/dynamic_data_mapping/edit_template"); portletURL.setParameter("redirect", redirect, false); portletURL.setParameter("templateId", String.valueOf(template.getTemplateId()), false); portletURL.setParameter("groupId", String.valueOf(template.getGroupId()), false); portletURL.setParameter("structureId", String.valueOf(structureId), false); portletURL.setParameter("type", template.getType(), false); portletURL.setParameter("availableFields", availableFields, false); portletURL.setParameter("saveCallback", saveCallback, false); return portletURL.toString(); } protected DDMTemplate updateTemplate(ActionRequest actionRequest) throws Exception { UploadPortletRequest uploadPortletRequest = PortalUtil.getUploadPortletRequest(actionRequest); long templateId = ParamUtil.getLong(uploadPortletRequest, "templateId"); long groupId = ParamUtil.getLong(uploadPortletRequest, "groupId"); long structureId = ParamUtil.getLong(uploadPortletRequest, "structureId"); Map<Locale, String> nameMap = LocalizationUtil.getLocalizationMap(actionRequest, "name"); Map<Locale, String> descriptionMap = LocalizationUtil.getLocalizationMap(actionRequest, "description"); String type = ParamUtil.getString(uploadPortletRequest, "type"); String mode = ParamUtil.getString(uploadPortletRequest, "mode"); String language = ParamUtil.getString(uploadPortletRequest, "language", DDMTemplateConstants.LANG_TYPE_VM); String script = ParamUtil.getString(uploadPortletRequest, "script"); String scriptContent = JS.decodeURIComponent(ParamUtil.getString(uploadPortletRequest, "scriptContent")); if (Validator.isNull(script)) { script = scriptContent; } ServiceContext serviceContext = ServiceContextFactory.getInstance(DDMTemplate.class.getName(), actionRequest); DDMTemplate template = null; if (templateId <= 0) { DDMStructure structure = DDMStructureLocalServiceUtil.getStructure(structureId); template = DDMTemplateServiceUtil.addTemplate(groupId, structure.getStructureId(), nameMap, descriptionMap, type, mode, language, script, serviceContext); } else { template = DDMTemplateServiceUtil.updateTemplate(templateId, nameMap, descriptionMap, type, mode, language, script, serviceContext); } String portletResource = ParamUtil.getString(actionRequest, "portletResource"); if (Validator.isNotNull(portletResource)) { PortletPreferences preferences = PortletPreferencesFactoryUtil.getPortletSetup(actionRequest, portletResource); if (type.equals(DDMTemplateConstants.TEMPLATE_TYPE_DETAIL)) { preferences.setValue("detailDDMTemplateId", String.valueOf(template.getTemplateId())); } else { preferences.setValue("listDDMTemplateId", String.valueOf(template.getTemplateId())); } preferences.store(); } return template; } }