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.upload; import com.liferay.portal.kernel.exception.PortalException; import com.liferay.portal.kernel.portletfilerepository.PortletFileRepositoryUtil; import com.liferay.portal.kernel.repository.model.FileEntry; 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.upload.BaseUploadHandler; import com.liferay.wiki.model.WikiPage; import com.liferay.wiki.service.WikiPageLocalServiceUtil; import com.liferay.wiki.service.WikiPageServiceUtil; import com.liferay.wiki.service.permission.WikiNodePermissionChecker; import java.io.InputStream; /** * @author Roberto Daz */ public class PageAttachmentWikiUploadHandler extends BaseUploadHandler { public PageAttachmentWikiUploadHandler(long classPK) { _classPK = classPK; } protected PageAttachmentWikiUploadHandler() { this(0); } @Override protected FileEntry addFileEntry(long userId, long groupId, long folderId, String fileName, String contentType, InputStream inputStream, long size, ServiceContext serviceContext) throws PortalException { WikiPage page = WikiPageLocalServiceUtil.getPage(_classPK); return WikiPageServiceUtil.addPageAttachment(page.getNodeId(), page.getTitle(), fileName, inputStream, contentType); } @Override protected void checkPermission(long groupId, long folderId, PermissionChecker permissionChecker) throws PortalException { WikiPage page = WikiPageLocalServiceUtil.getPage(_classPK); WikiNodePermissionChecker.check(permissionChecker, page.getNodeId(), ActionKeys.ADD_ATTACHMENT); } @Override protected FileEntry fetchFileEntry(long userId, long groupId, long folderId, String fileName) throws PortalException { try { WikiPage page = WikiPageLocalServiceUtil.getPage(_classPK); Folder folder = page.addAttachmentsFolder(); return PortletFileRepositoryUtil.getPortletFileEntry(groupId, folder.getFolderId(), fileName); } catch (PortalException pe) { return null; } } @Override protected String getParameterName() { return "imageSelectorFileName"; } @Override protected void validateFile(String fileName, String contentType, long size) throws PortalException { } private final long _classPK; }