001/*
002 * (C) Copyright 2010 Nuxeo SAS (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Nuxeo - initial API and implementation
016 */
017
018package org.nuxeo.ecm.platform.content.template.factories;
019
020import org.nuxeo.ecm.core.api.DocumentModel;
021import org.nuxeo.ecm.core.api.IterableQueryResult;
022import org.nuxeo.ecm.core.query.sql.NXQL;
023import org.nuxeo.ecm.platform.content.template.listener.RepositoryInitializationListener;
024import org.nuxeo.ecm.platform.content.template.service.TemplateItemDescriptor;
025
026/**
027 * Specific factory for Root. Since some other {@link RepositoryInitializationListener} have run before, root won't be
028 * empty but we may still have to run this initializer.
029 *
030 * @author Thierry Delprat
031 */
032public class SimpleTemplateBasedRootFactory extends SimpleTemplateBasedFactory {
033
034    @Override
035    public void createContentStructure(DocumentModel eventDoc) {
036        initSession(eventDoc);
037
038        if (!shouldCreateContent(eventDoc)) {
039            return;
040        }
041
042        for (TemplateItemDescriptor item : template) {
043            String itemPath = eventDoc.getPathAsString();
044            if (item.getPath() != null) {
045                itemPath += "/" + item.getPath();
046            }
047            DocumentModel newChild = session.createDocumentModel(itemPath, item.getId(), item.getTypeName());
048            newChild.setProperty("dublincore", "title", item.getTitle());
049            newChild.setProperty("dublincore", "description", item.getDescription());
050            setProperties(item.getProperties(), newChild);
051            newChild = session.createDocument(newChild);
052            setAcl(item.getAcl(), newChild.getRef());
053        }
054        // init root ACL if really empty
055        setAcl(acl, eventDoc.getRef());
056    }
057
058    /**
059     * Returns {@code false} if the type of one of the children documents matches a template item type, {@code true}
060     * otherwise.
061     */
062    protected boolean shouldCreateContent(DocumentModel eventDoc) {
063        for (TemplateItemDescriptor item : template) {
064            // don't use getChildren, which can be costly
065            // if the folder has a huge number of children
066            String query = "SELECT ecm:uuid FROM Document WHERE ecm:parentId = '%s' AND ecm:primaryType = '%s'";
067            query = String.format(query, eventDoc.getId(), item.getTypeName());
068            IterableQueryResult it = session.queryAndFetch(query, NXQL.NXQL);
069            try {
070                if (it.iterator().hasNext()) {
071                    return false;
072                }
073            } finally {
074                it.close();
075            }
076        }
077        return true;
078    }
079}