Java tutorial
/* ************************************************************************ ******************* CANADIAN ASTRONOMY DATA CENTRE ******************* ************** CENTRE CANADIEN DE DONNES ASTRONOMIQUES ************** * * (c) 2018. (c) 2018. * 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/>. * ************************************************************************ */ package ca.nrc.cadc.caom2.xml; import ca.nrc.cadc.caom2.access.ArtifactAccess; import java.io.IOException; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.Writer; import java.net.URI; import java.util.List; import org.apache.log4j.Logger; import org.jdom2.Document; import org.jdom2.Element; import org.jdom2.output.Format; import org.jdom2.output.XMLOutputter; /** * * @author pdowler */ public class ArtifactAccessWriter { private static final Logger log = Logger.getLogger(ArtifactAccessWriter.class); private final boolean writeEmptyCollections; public ArtifactAccessWriter() { this(false); } public ArtifactAccessWriter(boolean writeEmptyCollections) { this.writeEmptyCollections = writeEmptyCollections; } public void write(ArtifactAccess aa, OutputStream ostream) throws IOException { write(aa, new OutputStreamWriter(ostream)); } public void write(ArtifactAccess aa, Writer writer) throws IOException { Element root = new Element(ArtifactAccessReader.ENAMES.artifactAccess.name()); Element ae = new Element(ArtifactAccessReader.ENAMES.artifact.name()); root.addContent(ae); addChild(ae, ArtifactAccessReader.ENAMES.uri.name(), aa.getArtifact().getURI().toASCIIString()); addChild(ae, ArtifactAccessReader.ENAMES.productType.name(), aa.getArtifact().getProductType().getValue()); addChild(ae, ArtifactAccessReader.ENAMES.releaseType.name(), aa.getArtifact().getReleaseType().getValue()); if (aa.getArtifact().contentChecksum != null) { addChild(ae, ArtifactAccessReader.ENAMES.contentChecksum.name(), aa.getArtifact().contentChecksum.toASCIIString()); } if (aa.getArtifact().contentLength != null) { addChild(ae, ArtifactAccessReader.ENAMES.contentLength.name(), aa.getArtifact().contentLength.toString()); } if (aa.getArtifact().contentType != null) { addChild(ae, ArtifactAccessReader.ENAMES.contentType.name(), aa.getArtifact().contentType); } Element pub = new Element(ArtifactAccessReader.ENAMES.isPublic.name()); pub.setText(Boolean.toString(aa.isPublic)); root.addContent(pub); Element rg = new Element(ArtifactAccessReader.ENAMES.readGroups.name()); if (!aa.getReadGroups().isEmpty() || writeEmptyCollections) { root.addContent(rg); } addGroups(aa.getReadGroups(), rg); Document doc = new Document(root); XMLOutputter outputter = new XMLOutputter(); outputter.setFormat(Format.getPrettyFormat()); outputter.output(doc, writer); } private void addChild(Element parent, String ename, String eval) { Element uri = new Element(ename); uri.setText(eval); parent.addContent(uri); } private void addGroups(List<URI> groups, Element parent) { for (URI u : groups) { Element uri = new Element(ArtifactAccessReader.ENAMES.uri.name()); uri.setText(u.toASCIIString()); parent.addContent(uri); } } }