1 /** 2 * This file Copyright (c) 2019 Magnolia International 3 * Ltd. (http://www.magnolia-cms.com). All rights reserved. 4 * 5 * 6 * This file is dual-licensed under both the Magnolia 7 * Network Agreement and the GNU General Public License. 8 * You may elect to use one or the other of these licenses. 9 * 10 * This file is distributed in the hope that it will be 11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the 12 * implied warranty of MERCHANTABILITY or FITNESS FOR A 13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. 14 * Redistribution, except as permitted by whichever of the GPL 15 * or MNA you select, is prohibited. 16 * 17 * 1. For the GPL license (GPL), you can redistribute and/or 18 * modify this file under the terms of the GNU General 19 * Public License, Version 3, as published by the Free Software 20 * Foundation. You should have received a copy of the GNU 21 * General Public License, Version 3 along with this program; 22 * if not, write to the Free Software Foundation, Inc., 51 23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 24 * 25 * 2. For the Magnolia Network Agreement (MNA), this file 26 * and the accompanying materials are made available under the 27 * terms of the MNA which accompanies this distribution, and 28 * is available at http://www.magnolia-cms.com/mna.html 29 * 30 * Any modifications to this file must keep this entire header 31 * intact. 32 * 33 */ 34 package info.magnolia.ui.contentapp.version; 35 36 import info.magnolia.cms.core.version.VersionManager; 37 import info.magnolia.jcr.RuntimeRepositoryException; 38 import info.magnolia.ui.datasource.jcr.JcrDatasource; 39 40 import java.util.Optional; 41 42 import javax.inject.Inject; 43 import javax.jcr.Node; 44 import javax.jcr.RepositoryException; 45 46 /** 47 * {@link VersionResolver} implementation for JCR. 48 */ 49 public class JcrVersionResolver extends VersionResolver<Node> { 50 51 private final JcrDatasource datasource; 52 private final VersionManager versionManager; 53 54 @Inject 55 public JcrVersionResolver(JcrDatasource datasource, VersionManager versionManager) { 56 this.datasource = datasource; 57 this.versionManager = versionManager; 58 } 59 60 @Override 61 public Optional<Node> getVersion(String path, String versionName) { 62 try { 63 Node node = datasource.getJCRSession().getNode(path); 64 return Optional.ofNullable(versionManager.getVersion(node, versionName)); 65 } catch (RepositoryException e) { 66 throw new RuntimeRepositoryException(e); 67 } 68 } 69 }