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.internal.trash; import com.liferay.document.library.kernel.exception.NoSuchFolderException; import com.liferay.document.library.kernel.model.DLFileShortcut; import com.liferay.document.library.kernel.model.DLFileShortcutConstants; import com.liferay.document.library.kernel.model.DLFolderConstants; import com.liferay.document.library.kernel.service.DLAppLocalService; import com.liferay.document.library.kernel.util.DLUtil; 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.model.ContainerModel; import com.liferay.portal.kernel.model.TrashedModel; import com.liferay.portal.kernel.repository.DocumentRepository; import com.liferay.portal.kernel.repository.LocalRepository; import com.liferay.portal.kernel.repository.Repository; import com.liferay.portal.kernel.repository.RepositoryProviderUtil; import com.liferay.portal.kernel.repository.capabilities.TrashCapability; import com.liferay.portal.kernel.repository.capabilities.UnsupportedCapabilityException; import com.liferay.portal.kernel.repository.model.FileShortcut; import com.liferay.portal.kernel.repository.model.Folder; 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.trash.TrashRendererFactory; import com.liferay.portlet.documentlibrary.service.permission.DLFileShortcutPermission; import com.liferay.portlet.documentlibrary.service.permission.DLFolderPermission; import com.liferay.trash.kernel.model.TrashEntry; import javax.portlet.PortletRequest; import org.osgi.service.component.annotations.Component; import org.osgi.service.component.annotations.Reference; /** * Implements trash handling for the file shortcut entity. * * @author Zsolt Berentey */ @Component(property = { "model.class.name=com.liferay.document.library.kernel.model.DLFileShortcut" }, service = TrashHandler.class) public class DLFileShortcutTrashHandler extends DLBaseTrashHandler { @Override public void deleteTrashEntry(long classPK) throws PortalException { _dlAppLocalService.deleteFileShortcut(classPK); } @Override public String getClassName() { return DLFileShortcutConstants.getClassName(); } @Override public ContainerModel getParentContainerModel(long classPK) throws PortalException { DLFileShortcut dlFileShortcut = getDLFileShortcut(classPK); long parentFolderId = dlFileShortcut.getFolderId(); if (parentFolderId <= 0) { return null; } return getContainerModel(parentFolderId); } @Override public ContainerModel getParentContainerModel(TrashedModel trashedModel) throws PortalException { DLFileShortcut dlFileShortcut = (DLFileShortcut) trashedModel; return getContainerModel(dlFileShortcut.getFolderId()); } @Override public String getRestoreContainedModelLink(PortletRequest portletRequest, long classPK) throws PortalException { DLFileShortcut dlFileShortcut = getDLFileShortcut(classPK); return DLUtil.getDLFileEntryControlPanelLink(portletRequest, dlFileShortcut.getToFileEntryId()); } @Override public String getRestoreContainerModelLink(PortletRequest portletRequest, long classPK) throws PortalException { DLFileShortcut dlFileShortcut = getDLFileShortcut(classPK); return DLUtil.getDLFolderControlPanelLink(portletRequest, dlFileShortcut.getFolderId()); } @Override public String getRestoreMessage(PortletRequest portletRequest, long classPK) throws PortalException { DLFileShortcut dlFileShortcut = getDLFileShortcut(classPK); return DLUtil.getAbsolutePath(portletRequest, dlFileShortcut.getFolderId()); } @Override public TrashEntry getTrashEntry(long classPK) throws PortalException { DLFileShortcut dlFileShortcut = getDLFileShortcut(classPK); return dlFileShortcut.getTrashEntry(); } @Override public TrashRenderer getTrashRenderer(long classPK) throws PortalException { return _trashRendererFactory.getTrashRenderer(classPK); } @Override public boolean hasTrashPermission(PermissionChecker permissionChecker, long groupId, long classPK, String trashActionId) throws PortalException { if (trashActionId.equals(TrashActionKeys.MOVE)) { return DLFolderPermission.contains(permissionChecker, groupId, classPK, ActionKeys.ADD_SHORTCUT); } return super.hasTrashPermission(permissionChecker, groupId, classPK, trashActionId); } @Override public boolean isInTrash(long classPK) throws PortalException { try { DLFileShortcut dlFileShortcut = getDLFileShortcut(classPK); return dlFileShortcut.isInTrash(); } catch (UnsupportedCapabilityException uce) { if (_log.isDebugEnabled()) { _log.debug(uce, uce); } return false; } } @Override public boolean isInTrashContainer(long classPK) throws PortalException { try { DLFileShortcut dlFileShortcut = getDLFileShortcut(classPK); return dlFileShortcut.isInTrashContainer(); } catch (UnsupportedCapabilityException uce) { if (_log.isDebugEnabled()) { _log.debug(uce, uce); } return false; } } @Override public boolean isRestorable(long classPK) throws PortalException { DLFileShortcut dlFileShortcut = getDLFileShortcut(classPK); try { dlFileShortcut.getFolder(); } catch (NoSuchFolderException nsfe) { if (_log.isDebugEnabled()) { _log.debug(nsfe, nsfe); } return false; } return !dlFileShortcut.isInTrashContainer(); } @Override public void moveEntry(long userId, long classPK, long containerModelId, ServiceContext serviceContext) throws PortalException { DLFileShortcut dlFileShortcut = getDLFileShortcut(classPK); _dlAppLocalService.updateFileShortcut(userId, classPK, containerModelId, dlFileShortcut.getToFileEntryId(), serviceContext); } @Override public void moveTrashEntry(long userId, long classPK, long containerModelId, ServiceContext serviceContext) throws PortalException { DocumentRepository documentRepository = getDocumentRepository(classPK); TrashCapability trashCapability = documentRepository.getCapability(TrashCapability.class); Folder newFolder = null; if (containerModelId != DLFolderConstants.DEFAULT_PARENT_FOLDER_ID) { newFolder = documentRepository.getFolder(containerModelId); } FileShortcut fileShortcut = documentRepository.getFileShortcut(classPK); trashCapability.moveFileShortcutFromTrash(userId, fileShortcut, newFolder, serviceContext); } @Override public void restoreTrashEntry(long userId, long classPK) throws PortalException { DocumentRepository documentRepository = getDocumentRepository(classPK); TrashCapability trashCapability = documentRepository.getCapability(TrashCapability.class); FileShortcut fileShortcut = documentRepository.getFileShortcut(classPK); trashCapability.restoreFileShortcutFromTrash(userId, fileShortcut); } protected DLFileShortcut getDLFileShortcut(long classPK) throws PortalException { Repository repository = RepositoryProviderUtil.getFileShortcutRepository(classPK); if (!repository.isCapabilityProvided(TrashCapability.class)) { throw new UnsupportedCapabilityException(TrashCapability.class, "Repository " + repository.getRepositoryId()); } FileShortcut fileShortcut = repository.getFileShortcut(classPK); return (DLFileShortcut) fileShortcut.getModel(); } @Override protected DocumentRepository getDocumentRepository(long classPK) throws PortalException { LocalRepository localRepository = RepositoryProviderUtil.getFileShortcutLocalRepository(classPK); if (!localRepository.isCapabilityProvided(TrashCapability.class)) { throw new UnsupportedCapabilityException(TrashCapability.class, "Repository " + localRepository.getRepositoryId()); } return localRepository; } @Override protected boolean hasPermission(PermissionChecker permissionChecker, long classPK, String actionId) throws PortalException { DLFileShortcut dlFileShortcut = getDLFileShortcut(classPK); if (dlFileShortcut.isInHiddenFolder() && actionId.equals(ActionKeys.VIEW)) { return false; } return DLFileShortcutPermission.contains(permissionChecker, classPK, actionId); } @Reference(unbind = "-") protected void setDLAppLocalService(DLAppLocalService dlAppLocalService) { _dlAppLocalService = dlAppLocalService; } @Reference(target = "(model.class.name=com.liferay.document.library.kernel.model.DLFileShortcut)", unbind = "-") protected void setTrashRendererFactory(TrashRendererFactory trashRendererFactory) { _trashRendererFactory = trashRendererFactory; } private static final Log _log = LogFactoryUtil.getLog(DLFileShortcutTrashHandler.class); private DLAppLocalService _dlAppLocalService; private TrashRendererFactory _trashRendererFactory; }