Java tutorial
/** * Copyright (c) 2000-present 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.bookmarks.web.internal.portlet.action; import com.liferay.asset.kernel.exception.AssetCategoryException; import com.liferay.asset.kernel.exception.AssetTagException; import com.liferay.bookmarks.constants.BookmarksPortletKeys; import com.liferay.bookmarks.exception.EntryURLException; import com.liferay.bookmarks.exception.NoSuchEntryException; import com.liferay.bookmarks.exception.NoSuchFolderException; import com.liferay.bookmarks.model.BookmarksEntry; import com.liferay.bookmarks.model.BookmarksFolder; import com.liferay.bookmarks.service.BookmarksEntryService; import com.liferay.bookmarks.service.BookmarksFolderService; import com.liferay.portal.kernel.model.TrashedModel; import com.liferay.portal.kernel.portlet.LiferayWindowState; import com.liferay.portal.kernel.portlet.bridges.mvc.BaseMVCActionCommand; import com.liferay.portal.kernel.portlet.bridges.mvc.MVCActionCommand; import com.liferay.portal.kernel.security.auth.PrincipalException; import com.liferay.portal.kernel.service.ServiceContext; import com.liferay.portal.kernel.service.ServiceContextFactory; import com.liferay.portal.kernel.servlet.SessionErrors; import com.liferay.portal.kernel.theme.ThemeDisplay; import com.liferay.portal.kernel.util.Constants; import com.liferay.portal.kernel.util.HttpUtil; import com.liferay.portal.kernel.util.ParamUtil; import com.liferay.portal.kernel.util.PortalUtil; import com.liferay.portal.kernel.util.StringUtil; import com.liferay.portal.kernel.util.Validator; import com.liferay.portal.kernel.util.WebKeys; import com.liferay.trash.kernel.service.TrashEntryService; import com.liferay.trash.kernel.util.TrashUtil; import java.util.ArrayList; import java.util.List; import javax.portlet.ActionRequest; import javax.portlet.ActionResponse; import javax.portlet.WindowState; import org.osgi.service.component.annotations.Component; import org.osgi.service.component.annotations.Reference; /** * @author Brian Wing Shun Chan * @author Levente Hudk */ @Component(immediate = true, property = { "javax.portlet.name=" + BookmarksPortletKeys.BOOKMARKS, "javax.portlet.name=" + BookmarksPortletKeys.BOOKMARKS_ADMIN, "mvc.command.name=/bookmarks/edit_entry", "mvc.command.name=/bookmarks/move_entry" }, service = MVCActionCommand.class) public class EditEntryMVCActionCommand extends BaseMVCActionCommand { protected void deleteEntry(ActionRequest actionRequest, boolean moveToTrash) throws Exception { long[] deleteEntryIds = null; long entryId = ParamUtil.getLong(actionRequest, "entryId"); if (entryId > 0) { deleteEntryIds = new long[] { entryId }; } else { deleteEntryIds = ParamUtil.getLongValues(actionRequest, "rowIdsBookmarksEntry"); } List<TrashedModel> trashedModels = new ArrayList<>(); for (long deleteEntryId : deleteEntryIds) { if (moveToTrash) { BookmarksEntry entry = _bookmarksEntryService.moveEntryToTrash(deleteEntryId); trashedModels.add(entry); } else { _bookmarksEntryService.deleteEntry(deleteEntryId); } } long[] deleteFolderIds = ParamUtil.getLongValues(actionRequest, "rowIdsBookmarksFolder"); for (int i = 0; i < deleteFolderIds.length; i++) { long deleteFolderId = deleteFolderIds[i]; if (moveToTrash) { BookmarksFolder folder = _bookmarksFolderService.moveFolderToTrash(deleteFolderId); trashedModels.add(folder); } else { _bookmarksFolderService.deleteFolder(deleteFolderId); } } if (moveToTrash && !trashedModels.isEmpty()) { TrashUtil.addTrashSessionMessages(actionRequest, trashedModels); hideDefaultSuccessMessage(actionRequest); } } @Override protected void doProcessAction(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception { String cmd = ParamUtil.getString(actionRequest, Constants.CMD); try { BookmarksEntry entry = null; if (cmd.equals(Constants.ADD) || cmd.equals(Constants.UPDATE)) { entry = updateEntry(actionRequest); } else if (cmd.equals(Constants.DELETE)) { deleteEntry(actionRequest, false); } else if (cmd.equals(Constants.MOVE)) { moveEntries(actionRequest); } else if (cmd.equals(Constants.MOVE_TO_TRASH)) { deleteEntry(actionRequest, true); } else if (cmd.equals(Constants.RESTORE)) { restoreTrashEntries(actionRequest); } else if (cmd.equals(Constants.SUBSCRIBE)) { subscribeEntry(actionRequest); } else if (cmd.equals(Constants.UNSUBSCRIBE)) { unsubscribeEntry(actionRequest); } WindowState windowState = actionRequest.getWindowState(); if (windowState.equals(LiferayWindowState.POP_UP)) { String redirect = PortalUtil.escapeRedirect(ParamUtil.getString(actionRequest, "redirect")); if (Validator.isNotNull(redirect)) { if (cmd.equals(Constants.ADD) && (entry != null)) { String portletId = HttpUtil.getParameter(redirect, "p_p_id", false); String namespace = PortalUtil.getPortletNamespace(portletId); redirect = HttpUtil.addParameter(redirect, namespace + "className", BookmarksEntry.class.getName()); redirect = HttpUtil.addParameter(redirect, namespace + "classPK", entry.getEntryId()); } actionRequest.setAttribute(WebKeys.REDIRECT, redirect); } } } catch (Exception e) { if (e instanceof NoSuchEntryException || e instanceof PrincipalException) { SessionErrors.add(actionRequest, e.getClass()); actionResponse.setRenderParameter("mvcPath", "/bookmarks/error.jsp"); } else if (e instanceof EntryURLException || e instanceof NoSuchFolderException) { SessionErrors.add(actionRequest, e.getClass()); } else if (e instanceof AssetCategoryException || e instanceof AssetTagException) { SessionErrors.add(actionRequest, e.getClass(), e); } else { throw e; } } } protected void moveEntries(ActionRequest actionRequest) throws Exception { long newFolderId = ParamUtil.getLong(actionRequest, "newFolderId"); long[] folderIds = ParamUtil.getLongValues(actionRequest, "rowIdsBookmarksFolder"); for (long folderId : folderIds) { _bookmarksFolderService.moveFolder(folderId, newFolderId); } long[] entryIds = ParamUtil.getLongValues(actionRequest, "rowIdsBookmarksEntry"); for (long entryId : entryIds) { _bookmarksEntryService.moveEntry(entryId, newFolderId); } } protected void restoreTrashEntries(ActionRequest actionRequest) throws Exception { long[] restoreTrashEntryIds = StringUtil.split(ParamUtil.getString(actionRequest, "restoreTrashEntryIds"), 0L); for (long restoreTrashEntryId : restoreTrashEntryIds) { _trashEntryService.restoreEntry(restoreTrashEntryId); } } @Reference(unbind = "-") protected void setBookmarksEntryService(BookmarksEntryService bookmarksEntryService) { _bookmarksEntryService = bookmarksEntryService; } @Reference(unbind = "-") protected void setBookmarksFolderService(BookmarksFolderService bookmarksFolderService) { _bookmarksFolderService = bookmarksFolderService; } @Reference(unbind = "-") protected void setTrashEntryService(TrashEntryService trashEntryService) { _trashEntryService = trashEntryService; } protected void subscribeEntry(ActionRequest actionRequest) throws Exception { long entryId = ParamUtil.getLong(actionRequest, "entryId"); _bookmarksEntryService.subscribeEntry(entryId); } protected void unsubscribeEntry(ActionRequest actionRequest) throws Exception { long entryId = ParamUtil.getLong(actionRequest, "entryId"); _bookmarksEntryService.unsubscribeEntry(entryId); } protected BookmarksEntry updateEntry(ActionRequest actionRequest) throws Exception { ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY); long entryId = ParamUtil.getLong(actionRequest, "entryId"); long groupId = themeDisplay.getScopeGroupId(); long folderId = ParamUtil.getLong(actionRequest, "folderId"); String name = ParamUtil.getString(actionRequest, "name"); String url = ParamUtil.getString(actionRequest, "url"); String description = ParamUtil.getString(actionRequest, "description"); ServiceContext serviceContext = ServiceContextFactory.getInstance(BookmarksEntry.class.getName(), actionRequest); BookmarksEntry entry = null; if (entryId <= 0) { // Add entry entry = _bookmarksEntryService.addEntry(groupId, folderId, name, url, description, serviceContext); } else { // Update entry entry = _bookmarksEntryService.updateEntry(entryId, groupId, folderId, name, url, description, serviceContext); } return entry; } private BookmarksEntryService _bookmarksEntryService; private BookmarksFolderService _bookmarksFolderService; private TrashEntryService _trashEntryService; }