Java tutorial
/* * Copyright (C) 2005-2013 ManyDesigns srl. All rights reserved. * http://www.manydesigns.com/ * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 3 of * the License, or (at your option) any later version. * * This software 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package com.manydesigns.portofino.model.database; import com.manydesigns.elements.annotations.Required; import org.apache.commons.dbutils.DbUtils; import javax.naming.InitialContext; import javax.sql.DataSource; import javax.xml.bind.annotation.XmlAccessType; import javax.xml.bind.annotation.XmlAccessorType; import javax.xml.bind.annotation.XmlAttribute; import java.sql.Connection; import java.text.MessageFormat; /* * @author Paolo Predonzani - paolo.predonzani@manydesigns.com * @author Angelo Lupo - angelo.lupo@manydesigns.com * @author Giampiero Granatella - giampiero.granatella@manydesigns.com * @author Alessio Stalla - alessio.stalla@manydesigns.com */ @XmlAccessorType(XmlAccessType.NONE) public class JndiConnectionProvider extends ConnectionProvider { public static final String copyright = "Copyright (c) 2005-2013, ManyDesigns srl"; //************************************************************************** // Fields //************************************************************************** private String jndiResource; //************************************************************************** // Constructors //************************************************************************** public JndiConnectionProvider() { super(); } //************************************************************************** // Implementation of ConnectionProvider //************************************************************************** public String getDescription() { return MessageFormat.format("JNDI data source: {0}", jndiResource); } public Connection acquireConnection() throws Exception { DataSource ds = getDataSource(); return ds.getConnection(); } public DataSource getDataSource() throws Exception { InitialContext ic = new InitialContext(); return (DataSource) ic.lookup(jndiResource); } public void releaseConnection(Connection conn) { DbUtils.closeQuietly(conn); } //************************************************************************** // Getters/setters //************************************************************************** @XmlAttribute(required = true) @Required public String getJndiResource() { return jndiResource; } public void setJndiResource(String jndiResource) { this.jndiResource = jndiResource; } }