Java tutorial
/** * openkm, Open Document Management System (http://www.openkm.com) * Copyright (c) 2006-2013 Paco Avila & Josep Llort * * No bytes were intentionally harmed during the development of this application. * * 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. */ package com.ikon.vernum; import org.hibernate.Query; import org.hibernate.Session; import com.ikon.dao.bean.NodeDocument; import com.ikon.dao.bean.NodeDocumentVersion; /** * @author pavila */ public class BranchVersionNumerationAdapter implements VersionNumerationAdapter { @Override public String getInitialVersionNumber() { return "1"; } @Override public String getNextVersionNumber(Session session, NodeDocument nDoc, NodeDocumentVersion nDocVer) { String curVersionName = nDocVer.getName(); String nextVersionName = curVersionName; Query q = session.createQuery(qs); NodeDocumentVersion ndv = null; do { nextVersionName = buildVersionName(nextVersionName); q.setString("parent", nDoc.getUuid()); q.setString("name", nextVersionName); ndv = (NodeDocumentVersion) q.setMaxResults(1).uniqueResult(); if (ndv != null) { nextVersionName = curVersionName + ".0"; } } while (ndv != null); return nextVersionName; } /** * Build version name */ private String buildVersionName(String versionNumber) { String ver[] = versionNumber.split("\\."); StringBuilder sb = new StringBuilder(); if (ver.length > 1) { int verNum = Integer.parseInt(ver[ver.length - 1]); for (int i = 0; i < ver.length - 1; i++) { sb.append(ver[i]).append("."); } return sb.toString() + ++verNum; } else { int verNum = Integer.parseInt(versionNumber); return Integer.toString(++verNum); } } }