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.journal.internal.trash; import com.liferay.asset.kernel.AssetRendererFactoryRegistryUtil; import com.liferay.asset.kernel.model.AssetRendererFactory; import com.liferay.journal.exception.InvalidDDMStructureException; import com.liferay.journal.model.JournalFolder; import com.liferay.journal.model.JournalFolderConstants; import com.liferay.journal.service.JournalFolderLocalService; import com.liferay.journal.service.permission.JournalFolderPermission; import com.liferay.journal.util.impl.JournalUtil; import com.liferay.portal.kernel.exception.PortalException; import com.liferay.portal.kernel.model.ContainerModel; import com.liferay.portal.kernel.model.TrashedModel; import com.liferay.portal.kernel.security.permission.ActionKeys; import com.liferay.portal.kernel.security.permission.PermissionChecker; import com.liferay.portal.kernel.service.ServiceContext; import com.liferay.portal.kernel.trash.TrashActionKeys; import com.liferay.portal.kernel.trash.TrashHandler; import com.liferay.portal.kernel.trash.TrashRenderer; import com.liferay.portal.kernel.util.Validator; import com.liferay.trash.kernel.exception.RestoreEntryException; import com.liferay.trash.kernel.model.TrashEntry; import com.liferay.trash.kernel.model.TrashEntryConstants; import javax.portlet.PortletRequest; import org.osgi.service.component.annotations.Component; import org.osgi.service.component.annotations.Reference; /** * Implements trash handling for the journal folder entity. * * @author Eudaldo Alonso */ @Component(property = { "model.class.name=com.liferay.journal.model.JournalFolder" }, service = TrashHandler.class) public class JournalFolderTrashHandler extends JournalBaseTrashHandler { @Override public void checkRestorableEntry(long classPK, long containerModelId, String newName) throws PortalException { JournalFolder folder = _journalFolderLocalService.getFolder(classPK); checkRestorableEntry(classPK, 0, containerModelId, folder.getName(), newName); } @Override public void checkRestorableEntry(TrashEntry trashEntry, long containerModelId, String newName) throws PortalException { checkRestorableEntry(trashEntry.getClassPK(), trashEntry.getEntryId(), containerModelId, trashEntry.getTypeSettingsProperty("title"), newName); } @Override public void deleteTrashEntry(long classPK) throws PortalException { _journalFolderLocalService.deleteFolder(classPK, false); } @Override public String getClassName() { return JournalFolder.class.getName(); } @Override public String getDeleteMessage() { return "found-in-deleted-folder-x"; } @Override public ContainerModel getParentContainerModel(long classPK) throws PortalException { JournalFolder folder = getJournalFolder(classPK); long parentFolderId = folder.getParentFolderId(); if (parentFolderId <= 0) { return null; } return getContainerModel(parentFolderId); } @Override public String getRestoreContainedModelLink(PortletRequest portletRequest, long classPK) throws PortalException { JournalFolder folder = _journalFolderLocalService.getFolder(classPK); return JournalUtil.getJournalControlPanelLink(portletRequest, folder.getFolderId()); } @Override public String getRestoreContainerModelLink(PortletRequest portletRequest, long classPK) throws PortalException { JournalFolder folder = _journalFolderLocalService.getFolder(classPK); return JournalUtil.getJournalControlPanelLink(portletRequest, folder.getParentFolderId()); } @Override public String getRestoreMessage(PortletRequest portletRequest, long classPK) throws PortalException { JournalFolder folder = _journalFolderLocalService.getFolder(classPK); return JournalUtil.getAbsolutePath(portletRequest, folder.getParentFolderId()); } @Override public TrashedModel getTrashedModel(long classPK) { return _journalFolderLocalService.fetchFolder(classPK); } @Override public TrashRenderer getTrashRenderer(long classPK) throws PortalException { AssetRendererFactory<JournalFolder> assetRendererFactory = AssetRendererFactoryRegistryUtil .getAssetRendererFactoryByClass(JournalFolder.class); return (TrashRenderer) assetRendererFactory.getAssetRenderer(classPK); } @Override public boolean hasTrashPermission(PermissionChecker permissionChecker, long groupId, long classPK, String trashActionId) throws PortalException { if (trashActionId.equals(TrashActionKeys.MOVE)) { return JournalFolderPermission.contains(permissionChecker, groupId, classPK, ActionKeys.ADD_FOLDER); } return super.hasTrashPermission(permissionChecker, groupId, classPK, trashActionId); } @Override public boolean isContainerModel() { return true; } @Override public boolean isRestorable(long classPK) throws PortalException { JournalFolder folder = getJournalFolder(classPK); if ((folder.getParentFolderId() > 0) && (_journalFolderLocalService.fetchFolder(folder.getParentFolderId()) == null)) { return false; } return !folder.isInTrashContainer(); } @Override public void moveEntry(long userId, long classPK, long containerModelId, ServiceContext serviceContext) throws PortalException { _journalFolderLocalService.moveFolder(classPK, containerModelId, serviceContext); } @Override public void moveTrashEntry(long userId, long classPK, long containerModelId, ServiceContext serviceContext) throws PortalException { _journalFolderLocalService.moveFolderFromTrash(userId, classPK, containerModelId, serviceContext); } @Override public void restoreTrashEntry(long userId, long classPK) throws PortalException { _journalFolderLocalService.restoreFolderFromTrash(userId, classPK); } @Override public void updateTitle(long classPK, String name) throws PortalException { JournalFolder folder = _journalFolderLocalService.getFolder(classPK); folder.setName(name); _journalFolderLocalService.updateJournalFolder(folder); } protected void checkDuplicateEntry(long classPK, long trashEntryId, long containerModelId, String originalTitle, String newName) throws PortalException { JournalFolder folder = _journalFolderLocalService.getFolder(classPK); if (containerModelId == TrashEntryConstants.DEFAULT_CONTAINER_ID) { containerModelId = JournalFolderConstants.DEFAULT_PARENT_FOLDER_ID; } if (Validator.isNotNull(newName)) { originalTitle = newName; } JournalFolder duplicateFolder = _journalFolderLocalService.fetchFolder(folder.getGroupId(), containerModelId, originalTitle); if (duplicateFolder != null) { RestoreEntryException ree = new RestoreEntryException(RestoreEntryException.DUPLICATE); ree.setDuplicateEntryId(duplicateFolder.getFolderId()); ree.setOldName(duplicateFolder.getName()); ree.setTrashEntryId(trashEntryId); throw ree; } } protected void checkRestorableEntry(long classPK, long trashEntryId, long containerModelId, String originalTitle, String newName) throws PortalException { checkValidContainer(classPK, containerModelId); checkDuplicateEntry(classPK, trashEntryId, containerModelId, originalTitle, newName); } protected void checkValidContainer(long classPK, long containerModelId) throws PortalException { try { _journalFolderLocalService.validateFolderDDMStructures(classPK, containerModelId); } catch (InvalidDDMStructureException iddmse) { throw new RestoreEntryException(RestoreEntryException.INVALID_CONTAINER, iddmse); } } @Override protected long getGroupId(long classPK) throws PortalException { JournalFolder folder = _journalFolderLocalService.getFolder(classPK); return folder.getGroupId(); } protected JournalFolder getJournalFolder(long classPK) throws PortalException { JournalFolder folder = _journalFolderLocalService.getFolder(classPK); return folder; } @Override protected boolean hasPermission(PermissionChecker permissionChecker, long classPK, String actionId) throws PortalException { JournalFolder folder = _journalFolderLocalService.getFolder(classPK); return JournalFolderPermission.contains(permissionChecker, folder, actionId); } @Reference(unbind = "-") protected void setJournalFolderLocalService(JournalFolderLocalService journalFolderLocalService) { _journalFolderLocalService = journalFolderLocalService; } private JournalFolderLocalService _journalFolderLocalService; }