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.document.library.web.internal.portlet.action; import com.liferay.document.library.kernel.exception.DuplicateFileEntryException; import com.liferay.document.library.kernel.exception.DuplicateFileException; import com.liferay.document.library.kernel.exception.DuplicateFolderNameException; import com.liferay.document.library.kernel.exception.FolderNameException; import com.liferay.document.library.kernel.exception.NoSuchFolderException; import com.liferay.document.library.kernel.exception.RequiredFileEntryTypeException; import com.liferay.document.library.kernel.model.DLFileEntry; import com.liferay.document.library.kernel.model.DLFolder; import com.liferay.document.library.kernel.model.DLFolderConstants; import com.liferay.document.library.kernel.service.DLAppService; import com.liferay.document.library.kernel.service.DLTrashService; import com.liferay.document.library.web.constants.DLPortletKeys; import com.liferay.portal.kernel.exception.PortalException; import com.liferay.portal.kernel.model.TrashedModel; import com.liferay.portal.kernel.portlet.bridges.mvc.BaseMVCActionCommand; import com.liferay.portal.kernel.portlet.bridges.mvc.MVCActionCommand; import com.liferay.portal.kernel.repository.LocalRepository; import com.liferay.portal.kernel.repository.RepositoryProviderUtil; import com.liferay.portal.kernel.repository.capabilities.TemporaryFileEntriesCapability; import com.liferay.portal.kernel.repository.model.Folder; 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.ParamUtil; import com.liferay.portal.kernel.util.WebKeys; 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.PortletException; import org.osgi.service.component.annotations.Component; import org.osgi.service.component.annotations.Reference; /** * @author Brian Wing Shun Chan * @author Alexander Chow * @author Sergio Gonzlez * @author Levente Hudk * @author Roberto Daz */ @Component(property = { "javax.portlet.name=" + DLPortletKeys.DOCUMENT_LIBRARY, "javax.portlet.name=" + DLPortletKeys.DOCUMENT_LIBRARY_ADMIN, "javax.portlet.name=" + DLPortletKeys.MEDIA_GALLERY_DISPLAY, "mvc.command.name=/document_library/edit_folder" }, service = MVCActionCommand.class) public class EditFolderMVCActionCommand extends BaseMVCActionCommand { protected void deleteExpiredTemporaryFileEntries(ActionRequest actionRequest) throws PortalException { long repositoryId = ParamUtil.getLong(actionRequest, "repositoryId"); LocalRepository localRepository = RepositoryProviderUtil.getLocalRepository(repositoryId); if (localRepository.isCapabilityProvided(TemporaryFileEntriesCapability.class)) { TemporaryFileEntriesCapability temporaryFileEntriesCapability = localRepository .getCapability(TemporaryFileEntriesCapability.class); temporaryFileEntriesCapability.deleteExpiredTemporaryFileEntries(); } } protected void deleteFolders(ActionRequest actionRequest, boolean moveToTrash) throws Exception { long[] deleteFolderIds = null; long folderId = ParamUtil.getLong(actionRequest, "folderId"); if (folderId > 0) { deleteFolderIds = new long[] { folderId }; } else { deleteFolderIds = ParamUtil.getLongValues(actionRequest, "rowIdsFolder"); } List<TrashedModel> trashedModels = new ArrayList<>(); for (long deleteFolderId : deleteFolderIds) { if (moveToTrash) { Folder folder = _dlTrashService.moveFolderToTrash(deleteFolderId); if (folder.getModel() instanceof DLFolder) { trashedModels.add((DLFolder) folder.getModel()); } } else { _dlAppService.deleteFolder(deleteFolderId); } } if (moveToTrash && (deleteFolderIds.length > 0)) { TrashUtil.addTrashSessionMessages(actionRequest, trashedModels); hideDefaultSuccessMessage(actionRequest); } } @Override protected void doProcessAction(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception { String cmd = ParamUtil.getString(actionRequest, Constants.CMD); try { if (cmd.equals(Constants.ADD) || cmd.equals(Constants.UPDATE)) { updateFolder(actionRequest); } else if (cmd.equals(Constants.DELETE)) { deleteFolders(actionRequest, false); } else if (cmd.equals(Constants.MOVE_TO_TRASH)) { deleteFolders(actionRequest, true); } else if (cmd.equals(Constants.SUBSCRIBE)) { subscribeFolder(actionRequest); } else if (cmd.equals(Constants.UNSUBSCRIBE)) { unsubscribeFolder(actionRequest); } else if (cmd.equals("deleteExpiredTemporaryFileEntries")) { deleteExpiredTemporaryFileEntries(actionRequest); } else if (cmd.equals("updateWorkflowDefinitions")) { updateWorkflowDefinitions(actionRequest); } } catch (NoSuchFolderException | PrincipalException e) { SessionErrors.add(actionRequest, e.getClass()); actionResponse.setRenderParameter("mvcPath", "/document_library/error.jsp"); } catch (DuplicateFileEntryException | DuplicateFileException | DuplicateFolderNameException | FolderNameException | RequiredFileEntryTypeException e) { SessionErrors.add(actionRequest, e.getClass()); } catch (Exception e) { throw new PortletException(e); } } @Reference(unbind = "-") protected void setDLAppService(DLAppService dlAppService) { _dlAppService = dlAppService; } @Reference(unbind = "-") protected void setDLTrashService(DLTrashService dlTrashService) { _dlTrashService = dlTrashService; } protected void subscribeFolder(ActionRequest actionRequest) throws Exception { ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY); long folderId = ParamUtil.getLong(actionRequest, "folderId"); _dlAppService.subscribeFolder(themeDisplay.getScopeGroupId(), folderId); } protected void unsubscribeFolder(ActionRequest actionRequest) throws Exception { ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY); long folderId = ParamUtil.getLong(actionRequest, "folderId"); _dlAppService.unsubscribeFolder(themeDisplay.getScopeGroupId(), folderId); } protected void updateFolder(ActionRequest actionRequest) throws Exception { long folderId = ParamUtil.getLong(actionRequest, "folderId"); long repositoryId = ParamUtil.getLong(actionRequest, "repositoryId"); long parentFolderId = ParamUtil.getLong(actionRequest, "parentFolderId"); String name = ParamUtil.getString(actionRequest, "name"); String description = ParamUtil.getString(actionRequest, "description"); ServiceContext serviceContext = ServiceContextFactory.getInstance(DLFolder.class.getName(), actionRequest); if (folderId <= 0) { // Add folder _dlAppService.addFolder(repositoryId, parentFolderId, name, description, serviceContext); } else { // Update folder _dlAppService.updateFolder(folderId, name, description, serviceContext); } } protected void updateWorkflowDefinitions(ActionRequest actionRequest) throws Exception { ServiceContext serviceContext = ServiceContextFactory.getInstance(DLFileEntry.class.getName(), actionRequest); _dlAppService.updateFolder(DLFolderConstants.DEFAULT_PARENT_FOLDER_ID, null, null, serviceContext); } private DLAppService _dlAppService; private DLTrashService _dlTrashService; }