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.wiki.web.internal.trash; import com.liferay.portal.kernel.exception.PortalException; import com.liferay.portal.kernel.model.LayoutConstants; import com.liferay.portal.kernel.model.TrashedModel; import com.liferay.portal.kernel.portlet.PortletURLFactoryUtil; import com.liferay.portal.kernel.security.permission.PermissionChecker; import com.liferay.portal.kernel.security.permission.resource.ModelResourcePermission; import com.liferay.portal.kernel.theme.ThemeDisplay; import com.liferay.portal.kernel.trash.TrashHandler; import com.liferay.portal.kernel.trash.TrashRenderer; import com.liferay.portal.kernel.util.OrderByComparator; import com.liferay.portal.kernel.util.Portal; import com.liferay.portal.kernel.util.Validator; import com.liferay.portal.kernel.util.WebKeys; import com.liferay.portal.kernel.workflow.WorkflowConstants; import com.liferay.trash.TrashHelper; import com.liferay.trash.kernel.exception.RestoreEntryException; import com.liferay.trash.kernel.model.TrashEntry; import com.liferay.wiki.constants.WikiPortletKeys; import com.liferay.wiki.model.WikiNode; import com.liferay.wiki.model.WikiPage; import com.liferay.wiki.service.WikiNodeLocalService; import com.liferay.wiki.service.WikiPageLocalService; import com.liferay.wiki.web.internal.asset.WikiNodeTrashRenderer; import java.util.ArrayList; import java.util.List; import javax.portlet.PortletRequest; import javax.portlet.PortletURL; import org.osgi.service.component.annotations.Component; import org.osgi.service.component.annotations.Reference; /** * Implements trash handling for the wiki node entity. * * @author Eudaldo Alonso * @author Roberto Daz */ @Component(property = { "model.class.name=com.liferay.wiki.model.WikiNode" }, service = TrashHandler.class) public class WikiNodeTrashHandler extends BaseWikiTrashHandler { @Override public void checkRestorableEntry(TrashEntry trashEntry, long containerModelId, String newName) throws PortalException { WikiNode node = _wikiNodeLocalService.getNode(trashEntry.getClassPK()); String originalTitle = trashEntry.getTypeSettingsProperty("title"); if (Validator.isNotNull(newName)) { originalTitle = newName; } WikiNode duplicateNode = _wikiNodeLocalService.fetchNode(node.getGroupId(), originalTitle); if (duplicateNode != null) { RestoreEntryException ree = new RestoreEntryException(RestoreEntryException.DUPLICATE); ree.setDuplicateEntryId(duplicateNode.getNodeId()); ree.setOldName(duplicateNode.getName()); ree.setTrashEntryId(trashEntry.getEntryId()); throw ree; } } @Override public void deleteTrashEntry(long classPK) throws PortalException { _wikiNodeLocalService.deleteNode(classPK); } @Override public String getClassName() { return WikiNode.class.getName(); } @Override public String getRestoreContainedModelLink(PortletRequest portletRequest, long classPK) throws PortalException { PortletURL portletURL = getRestoreURL(portletRequest, classPK, false); WikiNode node = _wikiNodeLocalService.getNode(classPK); portletURL.setParameter("nodeId", String.valueOf(node.getNodeId())); return portletURL.toString(); } @Override public String getRestoreContainerModelLink(PortletRequest portletRequest, long classPK) throws PortalException { PortletURL portletURL = getRestoreURL(portletRequest, classPK, true); return portletURL.toString(); } @Override public String getRestoreMessage(PortletRequest portletRequest, long classPK) { ThemeDisplay themeDisplay = (ThemeDisplay) portletRequest.getAttribute(WebKeys.THEME_DISPLAY); return themeDisplay.translate("wiki"); } @Override public String getTrashContainedModelName() { return "wiki-pages"; } @Override public int getTrashContainedModelsCount(long classPK) { return _wikiPageLocalService.getPagesCount(classPK, true, WorkflowConstants.STATUS_IN_TRASH); } @Override public TrashedModel getTrashedModel(long classPK) { return _wikiNodeLocalService.fetchWikiNode(classPK); } @Override public int getTrashModelsCount(long classPK) throws PortalException { return _wikiPageLocalService.getPagesCount(classPK, true, WorkflowConstants.STATUS_IN_TRASH); } @Override public List<TrashedModel> getTrashModelTrashedModels(long classPK, int start, int end, OrderByComparator<?> obc) throws PortalException { List<WikiPage> pages = _wikiPageLocalService.getPages(classPK, true, WorkflowConstants.STATUS_IN_TRASH, start, end, (OrderByComparator<WikiPage>) obc); List<TrashedModel> trashedModels = new ArrayList<>(pages.size()); for (WikiPage page : pages) { trashedModels.add(page); } return trashedModels; } @Override public TrashRenderer getTrashRenderer(long classPK) throws PortalException { WikiNode node = _wikiNodeLocalService.getNode(classPK); return new WikiNodeTrashRenderer(node, _trashHelper); } @Override public boolean isContainerModel() { return true; } @Override public void restoreTrashEntry(long userId, long classPK) throws PortalException { WikiNode node = _wikiNodeLocalService.getNode(classPK); _wikiNodeLocalService.restoreNodeFromTrash(userId, node); } @Override public void updateTitle(long classPK, String name) throws PortalException { WikiNode node = _wikiNodeLocalService.getNode(classPK); node.setName(name); _wikiNodeLocalService.updateWikiNode(node); } protected PortletURL getRestoreURL(PortletRequest portletRequest, long classPK, boolean containerModel) throws PortalException { PortletURL portletURL = null; WikiNode node = _wikiNodeLocalService.getNode(classPK); long plid = _portal.getPlidFromPortletId(node.getGroupId(), WikiPortletKeys.WIKI); if (plid == LayoutConstants.DEFAULT_PLID) { portletURL = _portal.getControlPanelPortletURL(portletRequest, WikiPortletKeys.WIKI_ADMIN, PortletRequest.RENDER_PHASE); } else { portletURL = PortletURLFactoryUtil.create(portletRequest, WikiPortletKeys.WIKI, plid, PortletRequest.RENDER_PHASE); } if (!containerModel) { portletURL.setParameter("mvcRenderCommandName", "/wiki/view_pages"); } return portletURL; } @Override protected boolean hasPermission(PermissionChecker permissionChecker, long classPK, String actionId) throws PortalException { return _wikiNodeModelResourcePermission.contains(permissionChecker, classPK, actionId); } @Reference(unbind = "-") protected void setWikiNodeLocalService(WikiNodeLocalService wikiNodeLocalService) { _wikiNodeLocalService = wikiNodeLocalService; } @Reference(unbind = "-") protected void setWikiPageLocalService(WikiPageLocalService wikiPageLocalService) { _wikiPageLocalService = wikiPageLocalService; } @Reference private Portal _portal; @Reference private TrashHelper _trashHelper; private WikiNodeLocalService _wikiNodeLocalService; @Reference(target = "(model.class.name=com.liferay.wiki.model.WikiNode)") private ModelResourcePermission<WikiNode> _wikiNodeModelResourcePermission; private WikiPageLocalService _wikiPageLocalService; }