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.portletconfiguration.action; import com.liferay.portal.LARFileException; import com.liferay.portal.LARTypeException; import com.liferay.portal.LayoutImportException; import com.liferay.portal.NoSuchLayoutException; import com.liferay.portal.PortletIdException; import com.liferay.portal.kernel.exception.PortalException; import com.liferay.portal.kernel.log.Log; import com.liferay.portal.kernel.log.LogFactoryUtil; import com.liferay.portal.kernel.servlet.ServletResponseUtil; import com.liferay.portal.kernel.servlet.SessionErrors; import com.liferay.portal.kernel.staging.StagingUtil; import com.liferay.portal.kernel.upload.UploadPortletRequest; import com.liferay.portal.kernel.util.Constants; import com.liferay.portal.kernel.util.ContentTypes; import com.liferay.portal.kernel.util.FileUtil; import com.liferay.portal.kernel.util.GetterUtil; import com.liferay.portal.kernel.util.ParamUtil; import com.liferay.portal.kernel.util.StringPool; import com.liferay.portal.model.Layout; import com.liferay.portal.model.Portlet; import com.liferay.portal.security.auth.PrincipalException; import com.liferay.portal.service.LayoutLocalServiceUtil; import com.liferay.portal.service.LayoutServiceUtil; import com.liferay.portal.struts.ActionConstants; import com.liferay.portal.theme.ThemeDisplay; import com.liferay.portal.util.PortalUtil; import com.liferay.portal.util.WebKeys; import com.liferay.portlet.PortletPreferencesFactoryUtil; import java.io.File; import java.io.FileInputStream; import java.util.Calendar; import java.util.Date; import javax.portlet.ActionRequest; import javax.portlet.ActionResponse; import javax.portlet.PortletConfig; import javax.portlet.PortletPreferences; import javax.portlet.RenderRequest; import javax.portlet.RenderResponse; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; /** * @author Jorge Ferrer * @author Raymond Aug */ public class ExportImportAction extends EditConfigurationAction { @Override public void processAction(ActionMapping mapping, ActionForm form, PortletConfig portletConfig, ActionRequest actionRequest, ActionResponse actionResponse) throws Exception { Portlet portlet = null; try { portlet = getPortlet(actionRequest); } catch (PrincipalException pe) { SessionErrors.add(actionRequest, PrincipalException.class.getName()); setForward(actionRequest, "portlet.portlet_configuration.error"); } String cmd = ParamUtil.getString(actionRequest, Constants.CMD); try { if (cmd.equals("copy_from_live")) { StagingUtil.copyFromLive(actionRequest, portlet); sendRedirect(actionRequest, actionResponse); } else if (cmd.equals(Constants.EXPORT)) { exportData(actionRequest, actionResponse, portlet); sendRedirect(actionRequest, actionResponse); } else if (cmd.equals(Constants.IMPORT)) { importData(actionRequest, actionResponse, portlet); sendRedirect(actionRequest, actionResponse); } else if (cmd.equals("publish_to_live")) { StagingUtil.publishToLive(actionRequest, portlet); sendRedirect(actionRequest, actionResponse); } } catch (Exception e) { if (e instanceof NoSuchLayoutException || e instanceof PrincipalException) { SessionErrors.add(actionRequest, e.getClass().getName()); setForward(actionRequest, "portlet.portlet_configuration.error"); } else { throw e; } } } @Override public ActionForward render(ActionMapping mapping, ActionForm form, PortletConfig portletConfig, RenderRequest renderRequest, RenderResponse renderResponse) throws Exception { Portlet portlet = null; try { portlet = getPortlet(renderRequest); } catch (PrincipalException pe) { SessionErrors.add(renderRequest, PrincipalException.class.getName()); return mapping.findForward("portlet.portlet_configuration.error"); } renderResponse.setTitle(getTitle(portlet, renderRequest)); return mapping.findForward(getForward(renderRequest, "portlet.portlet_configuration.export_import")); } protected void exportData(ActionRequest actionRequest, ActionResponse actionResponse, Portlet portlet) throws Exception { try { ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY); long plid = ParamUtil.getLong(actionRequest, "plid"); long groupId = ParamUtil.getLong(actionRequest, "groupId"); String fileName = ParamUtil.getString(actionRequest, "exportFileName"); String range = ParamUtil.getString(actionRequest, "range"); Date startDate = null; Date endDate = null; if (range.equals("dateRange")) { int startDateMonth = ParamUtil.getInteger(actionRequest, "startDateMonth"); int startDateDay = ParamUtil.getInteger(actionRequest, "startDateDay"); int startDateYear = ParamUtil.getInteger(actionRequest, "startDateYear"); int startDateHour = ParamUtil.getInteger(actionRequest, "startDateHour"); int startDateMinute = ParamUtil.getInteger(actionRequest, "startDateMinute"); int startDateAmPm = ParamUtil.getInteger(actionRequest, "startDateAmPm"); if (startDateAmPm == Calendar.PM) { startDateHour += 12; } startDate = PortalUtil.getDate(startDateMonth, startDateDay, startDateYear, startDateHour, startDateMinute, themeDisplay.getTimeZone(), new PortalException()); int endDateMonth = ParamUtil.getInteger(actionRequest, "endDateMonth"); int endDateDay = ParamUtil.getInteger(actionRequest, "endDateDay"); int endDateYear = ParamUtil.getInteger(actionRequest, "endDateYear"); int endDateHour = ParamUtil.getInteger(actionRequest, "endDateHour"); int endDateMinute = ParamUtil.getInteger(actionRequest, "endDateMinute"); int endDateAmPm = ParamUtil.getInteger(actionRequest, "endDateAmPm"); if (endDateAmPm == Calendar.PM) { endDateHour += 12; } endDate = PortalUtil.getDate(endDateMonth, endDateDay, endDateYear, endDateHour, endDateMinute, themeDisplay.getTimeZone(), new PortalException()); } else if (range.equals("fromLastPublishDate")) { Layout layout = LayoutLocalServiceUtil.getLayout(plid); PortletPreferences preferences = PortletPreferencesFactoryUtil.getPortletSetup(layout, portlet.getPortletId(), StringPool.BLANK); long lastPublishDate = GetterUtil .getLong(preferences.getValue("last-publish-date", StringPool.BLANK)); if (lastPublishDate > 0) { Calendar cal = Calendar.getInstance(themeDisplay.getTimeZone(), themeDisplay.getLocale()); endDate = cal.getTime(); cal.setTimeInMillis(lastPublishDate); startDate = cal.getTime(); } } File file = LayoutServiceUtil.exportPortletInfoAsFile(plid, groupId, portlet.getPortletId(), actionRequest.getParameterMap(), startDate, endDate); HttpServletRequest request = PortalUtil.getHttpServletRequest(actionRequest); HttpServletResponse response = PortalUtil.getHttpServletResponse(actionResponse); ServletResponseUtil.sendFile(request, response, fileName, new FileInputStream(file), ContentTypes.APPLICATION_ZIP); FileUtil.delete(file); setForward(actionRequest, ActionConstants.COMMON_NULL); } catch (Exception e) { if (_log.isDebugEnabled()) { _log.debug(e, e); } SessionErrors.add(actionRequest, e.getClass().getName()); } } protected void importData(ActionRequest actionRequest, ActionResponse actionResponse, Portlet portlet) throws Exception { try { UploadPortletRequest uploadPortletRequest = PortalUtil.getUploadPortletRequest(actionRequest); long plid = ParamUtil.getLong(uploadPortletRequest, "plid"); long groupId = ParamUtil.getLong(uploadPortletRequest, "groupId"); File file = uploadPortletRequest.getFile("importFileName"); if (!file.exists()) { throw new LARFileException("Import file does not exist"); } LayoutServiceUtil.importPortletInfo(plid, groupId, portlet.getPortletId(), actionRequest.getParameterMap(), file); addSuccessMessage(actionRequest, actionResponse); } catch (Exception e) { if ((e instanceof LARFileException) || (e instanceof LARTypeException) || (e instanceof PortletIdException)) { SessionErrors.add(actionRequest, e.getClass().getName()); } else { _log.error(e, e); SessionErrors.add(actionRequest, LayoutImportException.class.getName()); } } } private static Log _log = LogFactoryUtil.getLog(ExportImportAction.class); }