Java tutorial
/* ************************************************************************ ******************* CANADIAN ASTRONOMY DATA CENTRE ******************* ************** CENTRE CANADIEN DE DONNES ASTRONOMIQUES ************** * * (c) 2009. (c) 2009. * Government of Canada Gouvernement du Canada * National Research Council Conseil national de recherches * Ottawa, Canada, K1A 0R6 Ottawa, Canada, K1A 0R6 * All rights reserved Tous droits rservs * * NRC disclaims any warranties, Le CNRC dnie toute garantie * expressed, implied, or nonce, implicite ou lgale, * statutory, of any kind with de quelque nature que ce * respect to the software, soit, concernant le logiciel, * including without limitation y compris sans restriction * any warranty of merchantability toute garantie de valeur * or fitness for a particular marchande ou de pertinence * purpose. NRC shall not be pour un usage particulier. * liable in any event for any Le CNRC ne pourra en aucun cas * damages, whether direct or tre tenu responsable de tout * indirect, special or general, dommage, direct ou indirect, * consequential or incidental, particulier ou gnral, * arising from the use of the accessoire ou fortuit, rsultant * software. Neither the name de l'utilisation du logiciel. Ni * of the National Research le nom du Conseil National de * Council of Canada nor the Recherches du Canada ni les noms * names of its contributors may de ses participants ne peuvent * be used to endorse or promote tre utiliss pour approuver ou * products derived from this promouvoir les produits drivs * software without specific prior de ce logiciel sans autorisation * written permission. pralable et particulire * par crit. * * This file is part of the Ce fichier fait partie du projet * OpenCADC project. OpenCADC. * * OpenCADC is free software: OpenCADC est un logiciel libre ; * you can redistribute it and/or vous pouvez le redistribuer ou le * modify it under the terms of modifier suivant les termes de * the GNU Affero General Public la GNU Affero General Public * License as published by the License? telle que publie * Free Software Foundation, par la Free Software Foundation * either version 3 of the : soit la version 3 de cette * License, or (at your option) licence, soit ( votre gr) * any later version. toute version ultrieure. * * OpenCADC is distributed in the OpenCADC est distribu * hope that it will be useful, dans lespoir quil vous * but WITHOUT ANY WARRANTY; sera utile, mais SANS AUCUNE * without even the implied GARANTIE : sans mme la garantie * warranty of MERCHANTABILITY implicite de COMMERCIALISABILIT * or FITNESS FOR A PARTICULAR ni dADQUATION UN OBJECTIF * PURPOSE. See the GNU Affero PARTICULIER. Consultez la Licence * General Public License for Gnrale Publique GNU Affero * more details. pour plus de dtails. * * You should have received Vous devriez avoir reu une * a copy of the GNU Affero copie de la Licence Gnrale * General Public License along Publique GNU Affero avec * with OpenCADC. If not, see OpenCADC ; si ce nest * <http://www.gnu.org/licenses/>. pas le cas, consultez : * <http://www.gnu.org/licenses/>. * * $Revision: 4 $ * ************************************************************************ */ package ca.nrc.cadc.dali.tables.votable; import java.util.List; import org.jdom2.Element; import org.jdom2.Namespace; public class FieldElement extends Element { /** * Builds a FIELD Element from a TableField. * * @param field * @param namespace */ public FieldElement(TableField field, Namespace namespace) { this("FIELD", field, namespace); } /** * Builds an Element with the specified element name and populates * the Element using the TableField. * * @param elementName * @param field * @param namespace */ protected FieldElement(String elementName, TableField field, Namespace namespace) { super(elementName, namespace); init(field); } private void init(TableField field) { if (field != null) { setFieldAttribute("name", field.getName()); setFieldAttribute("datatype", field.getDatatype()); setFieldAttribute("ID", field.id); setFieldAttribute("ucd", field.ucd); setFieldAttribute("unit", field.unit); setFieldAttribute("utype", field.utype); setFieldAttribute("xtype", field.xtype); setArraysize(field.arraysize, field.variableSize); setDescription(field.description, namespace); setValues(field.values, namespace); } } /** * Set a String or Integer FIELD attribute. * @param name * @param value */ protected void setFieldAttribute(String name, Object value) { if (value != null) { if (value instanceof String) { setAttribute(name, (String) value); } else if (value instanceof Integer) { setAttribute(name, String.valueOf((Integer) value)); } } } /** * Add a DESCRIPTION Element to the FIELD. * @param description * @param namespace */ protected void setDescription(String description, Namespace namespace) { if (description != null) { Element element = new Element("DESCRIPTION", namespace); element.setText(description); addContent(element); } } /** * Set the arraysize attribute. * @param arraysize * @param variableSize */ protected void setArraysize(Integer arraysize, Boolean variableSize) { if (arraysize != null) { if (variableSize != null && variableSize) { setFieldAttribute("arraysize", arraysize.toString() + "*"); } else { setFieldAttribute("arraysize", arraysize.toString()); } } else if (variableSize != null) { setFieldAttribute("arraysize", "*"); } } /** * Add VALUES Element with OPTION child Elements. * @param values * @param namespace */ protected void setValues(List<String> values, Namespace namespace) { if (values != null && !values.isEmpty()) { Element element = new Element("VALUES", namespace); for (String value : values) { Element option = new Element("OPTION", namespace); option.setAttribute("value", value); element.addContent(option); } addContent(element); } } }