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.journal.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.StringUtil; 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.PortletURLImpl; import com.liferay.portlet.journal.DuplicateTemplateIdException; import com.liferay.portlet.journal.NoSuchTemplateException; import com.liferay.portlet.journal.RequiredTemplateException; import com.liferay.portlet.journal.TemplateIdException; import com.liferay.portlet.journal.TemplateNameException; import com.liferay.portlet.journal.TemplateSmallImageNameException; import com.liferay.portlet.journal.TemplateSmallImageSizeException; import com.liferay.portlet.journal.TemplateXslException; import com.liferay.portlet.journal.model.JournalTemplate; import com.liferay.portlet.journal.model.JournalTemplateConstants; import com.liferay.portlet.journal.service.JournalTemplateServiceUtil; import com.liferay.portlet.journal.util.JournalUtil; import com.liferay.util.JS; import java.io.File; 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 Brian Wing Shun Chan * @author Raymond Aug */ 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); JournalTemplate template = null; try { if (cmd.equals(Constants.ADD) || cmd.equals(Constants.UPDATE)) { template = updateTemplate(actionRequest); } else if (cmd.equals(Constants.DELETE)) { deleteTemplates(actionRequest); } 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.journal.error"); } else if (e instanceof DuplicateTemplateIdException || e instanceof RequiredTemplateException || e instanceof TemplateIdException || e instanceof TemplateNameException || e instanceof TemplateSmallImageNameException || e instanceof TemplateSmallImageSizeException || e instanceof TemplateXslException) { SessionErrors.add(actionRequest, e.getClass().getName()); if (e instanceof RequiredTemplateException) { String redirect = PortalUtil.escapeRedirect(ParamUtil.getString(actionRequest, "redirect")); if (Validator.isNotNull(redirect)) { actionResponse.sendRedirect(redirect); } } } else { throw e; } } } @Override public ActionForward render(ActionMapping mapping, ActionForm form, PortletConfig portletConfig, RenderRequest renderRequest, RenderResponse renderResponse) throws Exception { try { String cmd = ParamUtil.getString(renderRequest, Constants.CMD); if (!cmd.equals(Constants.ADD)) { ActionUtil.getTemplate(renderRequest); } } catch (NoSuchTemplateException nsse) { // Let this slide because the user can manually input a template id // for a new template that does not yet exist. } catch (Exception e) { if (//e instanceof NoSuchTemplateException || e instanceof PrincipalException) { SessionErrors.add(renderRequest, e.getClass().getName()); return mapping.findForward("portlet.journal.error"); } else { throw e; } } return mapping.findForward(getForward(renderRequest, "portlet.journal.edit_template")); } protected void deleteTemplates(ActionRequest actionRequest) throws Exception { long groupId = ParamUtil.getLong(actionRequest, "groupId"); String[] deleteTemplateIds = StringUtil.split(ParamUtil.getString(actionRequest, "deleteTemplateIds")); for (int i = 0; i < deleteTemplateIds.length; i++) { JournalTemplateServiceUtil.deleteTemplate(groupId, deleteTemplateIds[i]); JournalUtil.removeRecentTemplate(actionRequest, deleteTemplateIds[i]); } } protected String getSaveAndContinueRedirect(PortletConfig portletConfig, ActionRequest actionRequest, JournalTemplate template, String redirect) throws Exception { ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY); String originalRedirect = ParamUtil.getString(actionRequest, "originalRedirect"); PortletURLImpl portletURL = new PortletURLImpl(actionRequest, portletConfig.getPortletName(), themeDisplay.getPlid(), PortletRequest.RENDER_PHASE); portletURL.setWindowState(actionRequest.getWindowState()); portletURL.setParameter("struts_action", "/journal/edit_template"); portletURL.setParameter(Constants.CMD, Constants.UPDATE, false); portletURL.setParameter("redirect", redirect, false); portletURL.setParameter("originalRedirect", originalRedirect, false); portletURL.setParameter("groupId", String.valueOf(template.getGroupId()), false); portletURL.setParameter("templateId", template.getTemplateId(), false); return portletURL.toString(); } protected JournalTemplate updateTemplate(ActionRequest actionRequest) throws Exception { UploadPortletRequest uploadPortletRequest = PortalUtil.getUploadPortletRequest(actionRequest); String cmd = ParamUtil.getString(uploadPortletRequest, Constants.CMD); long groupId = ParamUtil.getLong(uploadPortletRequest, "groupId"); String templateId = ParamUtil.getString(uploadPortletRequest, "templateId"); boolean autoTemplateId = ParamUtil.getBoolean(uploadPortletRequest, "autoTemplateId"); String structureId = ParamUtil.getString(uploadPortletRequest, "structureId"); Map<Locale, String> nameMap = LocalizationUtil.getLocalizationMap(actionRequest, "name"); Map<Locale, String> descriptionMap = LocalizationUtil.getLocalizationMap(actionRequest, "description"); String xsl = ParamUtil.getString(uploadPortletRequest, "xsl"); String xslContent = JS.decodeURIComponent(ParamUtil.getString(uploadPortletRequest, "xslContent")); boolean formatXsl = ParamUtil.getBoolean(uploadPortletRequest, "formatXsl"); if (Validator.isNull(xsl)) { xsl = xslContent; } String langType = ParamUtil.getString(uploadPortletRequest, "langType", JournalTemplateConstants.LANG_TYPE_XSL); boolean cacheable = ParamUtil.getBoolean(uploadPortletRequest, "cacheable"); boolean smallImage = ParamUtil.getBoolean(uploadPortletRequest, "smallImage"); String smallImageURL = ParamUtil.getString(uploadPortletRequest, "smallImageURL"); File smallFile = uploadPortletRequest.getFile("smallFile"); ServiceContext serviceContext = ServiceContextFactory.getInstance(JournalTemplate.class.getName(), actionRequest); JournalTemplate template = null; if (cmd.equals(Constants.ADD)) { // Add template template = JournalTemplateServiceUtil.addTemplate(groupId, templateId, autoTemplateId, structureId, nameMap, descriptionMap, xsl, formatXsl, langType, cacheable, smallImage, smallImageURL, smallFile, serviceContext); } else { // Update template template = JournalTemplateServiceUtil.updateTemplate(groupId, templateId, structureId, nameMap, descriptionMap, xsl, formatXsl, langType, cacheable, smallImage, smallImageURL, smallFile, serviceContext); } // Recent templates JournalUtil.addRecentTemplate(actionRequest, template); return template; } }