Java tutorial
/** * ========================================================================================== * = JAHIA'S DUAL LICENSING - IMPORTANT INFORMATION = * ========================================================================================== * * http://www.jahia.com * * Copyright (C) 2002-2017 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 CHOOSE 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 3 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, see <http://www.gnu.org/licenses/>. * * * 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. */ package org.jahia.services.importexport.validation; import org.apache.commons.lang.StringUtils; import org.jahia.api.Constants; import org.jahia.registries.ServicesRegistry; import org.jahia.services.content.JCRSessionFactory; import org.jahia.services.content.JCRSessionWrapper; import org.jahia.services.content.JCRStoreProvider; import org.jahia.services.content.JCRStoreService; import org.jahia.services.content.nodetypes.NodeTypeRegistry; import org.jahia.services.importexport.ImportExportBaseService; import org.xml.sax.Attributes; import javax.jcr.RepositoryException; import javax.jcr.nodetype.NoSuchNodeTypeException; import java.util.LinkedHashSet; import java.util.Map; import java.util.Set; import java.util.TreeSet; /** * Import validator that checks if providers needed for this import are available */ public class ProviderAvailabilityValidator implements ImportValidator { private JCRSessionFactory jcrSessionFactory; private JCRSessionWrapper currentUserSession; private Set<String> visitedPaths = new TreeSet<String>(); private Set<String> neededStaticProviders = new LinkedHashSet<String>(); private Set<String> neededDynamicProviders = new LinkedHashSet<String>(); private Set<String> neededMountPoint = new LinkedHashSet<String>(); @Override public ValidationResult getResult() { try { Map<String, JCRStoreProvider> providers = jcrSessionFactory.getProviders(); Set<String> unavailableProviders = new LinkedHashSet<String>(); for (String p : neededStaticProviders) { if (providers.containsKey(p) && providers.get(p).isAvailable()) { continue; } unavailableProviders.add(p); } for (String p : neededDynamicProviders) { if (visitedPaths.contains(p)) { continue; } if (getCurrentUserSession().nodeExists(p)) { String identifier = getCurrentUserSession().getNode(p).getIdentifier(); if (providers.containsKey(identifier) && providers.get(identifier).isAvailable()) { continue; } } unavailableProviders.add(p); } for (String type : neededMountPoint) { if (JCRStoreService.getInstance().getProviderFactories().get(type) == null) { unavailableProviders.add(type); } } return new ProviderAvailabilityValidatorResult(unavailableProviders); } catch (RepositoryException e) { return new ValidationResult.FailedValidationResult(e); } } @Override public void validate(String decodedLocalName, String decodedQName, String currentPath, Attributes atts) { String path = StringUtils.removeStart(currentPath, "/content"); if (StringUtils.isNotBlank(path)) { visitedPaths.add(path); } String type = atts.getValue("jcr:primaryType"); try { if (type != null && NodeTypeRegistry.getInstance().getNodeType(type).isNodeType(Constants.JAHIANT_MOUNTPOINT)) { neededMountPoint.add(type); } } catch (NoSuchNodeTypeException e) { // Ignore } if (atts.getIndex(ImportExportBaseService.STATIC_MOUNT_POINT_ATTR) > -1) { neededStaticProviders.add(atts.getValue(ImportExportBaseService.STATIC_MOUNT_POINT_ATTR)); } if (atts.getIndex(ImportExportBaseService.DYNAMIC_MOUNT_POINT_ATTR) > -1) { neededDynamicProviders.add(atts.getValue(ImportExportBaseService.DYNAMIC_MOUNT_POINT_ATTR)); } } private JCRSessionWrapper getCurrentUserSession() throws RepositoryException { if (currentUserSession == null) { currentUserSession = jcrSessionFactory.getCurrentUserSession(); } return currentUserSession; } public void setJcrSessionFactory(JCRSessionFactory jcrSessionFactory) { this.jcrSessionFactory = jcrSessionFactory; } }