Java tutorial
/** * ========================================================================================== * = JAHIA'S DUAL LICENSING - IMPORTANT INFORMATION = * ========================================================================================== * * Copyright (C) 2002-2015 Jahia Solutions Group SA. All rights reserved. * * THIS FILE IS AVAILABLE UNDER TWO DIFFERENT LICENSES: * 1/GPL OR 2/JSEL * * 1/ GPL * ====================================================================================== * * IF YOU DECIDE TO CHOSE THE GPL LICENSE, YOU MUST COMPLY WITH THE FOLLOWING TERMS: * * "This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * As a special exception to the terms and conditions of version 2.0 of * the GPL (or any later version), you may redistribute this Program in connection * with Free/Libre and Open Source Software ("FLOSS") applications as described * in Jahia's FLOSS exception. You should have received a copy of the text * describing the FLOSS exception, also available here: * http://www.jahia.com/license" * * 2/ JSEL - Commercial and Supported Versions of the program * ====================================================================================== * * IF YOU DECIDE TO CHOOSE THE JSEL LICENSE, YOU MUST COMPLY WITH THE FOLLOWING TERMS: * * Alternatively, commercial and supported versions of the program - also known as * Enterprise Distributions - must be used in accordance with the terms and conditions * contained in a separate written agreement between you and Jahia Solutions Group SA. * * If you are unsure which license is appropriate for your use, * please contact the sales department at sales@jahia.com. * * * ========================================================================================== * = ABOUT JAHIA = * ========================================================================================== * * Rooted in Open Source CMS, Jahias Digital Industrialization paradigm is about * streamlining Enterprise digital projects across channels to truly control * time-to-market and TCO, project after project. * Putting an end to the Tunnel effect?, the Jahia Studio enables IT and * marketing teams to collaboratively and iteratively build cutting-edge * online business solutions. * These, in turn, are securely and easily deployed as modules and apps, * reusable across any digital projects, thanks to the Jahia Private App Store Software. * Each solution provided by Jahia stems from this overarching vision: * Digital Factory, Workspace Factory, Portal Factory and eCommerce Factory. * Founded in 2002 and headquartered in Geneva, Switzerland, * Jahia Solutions Group has its North American headquarters in Washington DC, * with offices in Chicago, Toronto and throughout Europe. * Jahia counts hundreds of global brands and governmental organizations * among its loyal customers, in more than 20 countries across the globe. * * For more information, please visit http://www.jahia.com */ package org.jahia.module.sampleBootstrapTemplate.actions; import org.apache.commons.fileupload.disk.DiskFileItem; import org.apache.commons.io.FilenameUtils; import org.apache.tika.io.IOUtils; import org.jahia.api.Constants; import org.jahia.bin.Action; import org.jahia.bin.ActionResult; import org.jahia.services.content.JCRContentUtils; import org.jahia.services.content.JCRNodeWrapper; import org.jahia.services.content.JCRSessionWrapper; import org.jahia.services.image.JahiaImageService; import org.jahia.services.render.RenderContext; import org.jahia.services.render.Resource; import org.jahia.services.render.URLResolver; import org.jahia.tools.files.FileUpload; import org.jahia.utils.i18n.Messages; import org.json.JSONObject; import org.slf4j.Logger; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.File; import java.io.FileInputStream; import java.io.InputStream; import java.lang.String; import java.util.List; import java.util.Map; /** * Action to upload (and resize) site logo */ public class UpdateLogo extends Action { public static final String FILES = "files"; public static final String BOOTSTRAP = "bootstrap"; public static final String IMG = "img"; public static final String LOGO_PNG = "logo.png"; private transient static Logger logger = org.slf4j.LoggerFactory.getLogger(UpdateLogo.class); JahiaImageService imageService; @Override public ActionResult doExecute(HttpServletRequest req, RenderContext renderContext, Resource resource, JCRSessionWrapper session, Map<String, List<String>> parameters, URLResolver urlResolver) throws Exception { JCRNodeWrapper logoFolder = renderContext.getSite().getNode(FILES); if (logoFolder.hasNode(BOOTSTRAP)) { logoFolder = logoFolder.getNode(BOOTSTRAP); } else { logoFolder = logoFolder.addNode(BOOTSTRAP, Constants.JAHIANT_FOLDER); } if (logoFolder.hasNode(IMG)) { logoFolder = logoFolder.getNode(IMG); } else { logoFolder = logoFolder.addNode(IMG, Constants.JAHIANT_FOLDER); } JCRNodeWrapper logo; final FileUpload fileUpload = (FileUpload) req.getAttribute(FileUpload.FILEUPLOAD_ATTRIBUTE); if (fileUpload != null && fileUpload.getFileItems() != null && fileUpload.getFileItems().size() > 0) { final Map<String, DiskFileItem> stringDiskFileItemMap = fileUpload.getFileItems(); DiskFileItem itemEntry = stringDiskFileItemMap.get(stringDiskFileItemMap.keySet().iterator().next()); logo = logoFolder.uploadFile(LOGO_PNG, itemEntry.getInputStream(), JCRContentUtils.getMimeType(itemEntry.getName(), itemEntry.getContentType())); String fileExtension = FilenameUtils.getExtension(logo.getName()); final File f = File.createTempFile("logo", "." + fileExtension); imageService.createThumb(imageService.getImage(logo), f, 200, false); InputStream is = new FileInputStream(f); try { logo = logoFolder.uploadFile(LOGO_PNG, is, JCRContentUtils.getMimeType(itemEntry.getName(), itemEntry.getContentType())); } finally { IOUtils.closeQuietly(is); } session.save(); return new ActionResult(HttpServletResponse.SC_OK, null, new JSONObject().put("logoUpdate", true).put("logoUrl", logo.getUrl())); } else { String error = Messages.get("resources.sample-bootstrap-templates", "sampleBootstrapTemplates.uploadLogo.error", session.getLocale()); return new ActionResult(HttpServletResponse.SC_OK, null, new JSONObject().put("logoUpdate", false).put("errorMessage", error)); } } public void setImageService(JahiaImageService imageService) { this.imageService = imageService; } }