Java tutorial
/* * ==================================================================== * This file is part of the ebXML Registry by Icar Cnr v3.2 * ("eRICv32" in the following disclaimer). * * "eRICv32" 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 3 of the License, or * (at your option) any later version. * * "eRICv32" 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 Version 3 * along with "eRICv32". If not, see <http://www.gnu.org/licenses/>. * * eRICv32 is a forked, derivative work, based on: * - freebXML Registry, a royalty-free, open source implementation of the ebXML Registry standard, * which was published under the "freebxml License, Version 1.1"; * - ebXML OMAR v3.2 Edition, published under the GNU GPL v3 by S. Krushe & P. Arwanitis. * * All derivative software changes and additions are made under * * Copyright (C) 2013 Ing. Antonio Messina <messina@pa.icar.cnr.it> * * This software consists of voluntary contributions made by many * individuals on behalf of the freebxml Software Foundation. For more * information on the freebxml Software Foundation, please see * "http://www.freebxml.org/". * * This product includes software developed by the Apache Software * Foundation (http://www.apache.org/). * * ==================================================================== */ package it.cnr.icar.eric.server.persistence.rdb; import it.cnr.icar.eric.server.common.ServerRequestContext; import it.cnr.icar.eric.server.util.ServerResourceBundle; import java.sql.ResultSet; import java.sql.SQLException; import javax.xml.bind.JAXBException; import javax.xml.datatype.DatatypeConfigurationException; import javax.xml.datatype.DatatypeFactory; import javax.xml.datatype.Duration; import javax.xml.registry.RegistryException; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.oasis.ebxml.registry.bindings.rim.RegistryObjectType; import org.oasis.ebxml.registry.bindings.rim.RegistryType; /** * An Registry instance represents an ebXML Registry. * Every ebXML Registry must have a Registry instance * describing itself. * * @author Farrukh S. Najmi * */ class RegistryDAO extends RegistryObjectDAO { private static final Log log = LogFactory.getLog(RegistryDAO.class); /** * Use this constructor only. */ RegistryDAO(ServerRequestContext context) { super(context); } public static String getTableNameStatic() { return "Registry"; } public String getTableName() { return getTableNameStatic(); } /** * Returns the SQL fragment string needed by insert or update statements * within insert or update method of sub-classes. This is done to avoid code * duplication. */ protected String getSQLStatementFragment(Object ro) throws RegistryException { RegistryType registry = (RegistryType) ro; String stmtFragment = null; Duration catalogingSyncLatency = registry.getCatalogingLatency(); String catalogingSyncLatencyString = (catalogingSyncLatency == null) ? "P1D" : catalogingSyncLatency.toString(); String operator = registry.getOperator(); Duration replicationSyncLatency = registry.getReplicationSyncLatency(); String replicationSyncLatencyString = (replicationSyncLatency == null) ? "P1D" : replicationSyncLatency.toString(); String specificationVersion = registry.getSpecificationVersion(); String conformanceProfile = registry.getConformanceProfile(); if (action == DAO_ACTION_INSERT) { stmtFragment = "INSERT INTO Registry " + super.getSQLStatementFragment(ro) + ", '" + catalogingSyncLatencyString + "', '" + conformanceProfile + "', '" + operator + "', '" + replicationSyncLatencyString + "', '" + specificationVersion + "' ) "; } else if (action == DAO_ACTION_UPDATE) { stmtFragment = "UPDATE Registry SET " + super.getSQLStatementFragment(ro) + ", catalogingSyncLatency='" + catalogingSyncLatencyString + "', conformanceProfile='" + conformanceProfile + "', operator='" + operator + "', replicationSyncLatency='" + replicationSyncLatencyString + "', specificationVersion='" + specificationVersion + "' WHERE id = '" + ((RegistryObjectType) ro).getId() + "' "; } else if (action == DAO_ACTION_DELETE) { stmtFragment = super.getSQLStatementFragment(ro); } return stmtFragment; } protected void loadObject(Object obj, ResultSet rs) throws RegistryException { try { if (!(obj instanceof RegistryType)) { throw new RegistryException(ServerResourceBundle.getInstance() .getString("message.RegistryTypeExpected", new Object[] { obj })); } RegistryType ebRegistryType = (RegistryType) obj; super.loadObject(obj, rs); String catalogingSyncLatencyString = rs.getString("catalogingSyncLatency"); Duration catalogingSyncLatency = DatatypeFactory.newInstance().newDuration(catalogingSyncLatencyString); ebRegistryType.setCatalogingLatency(catalogingSyncLatency); String conformanceProfile = rs.getString("conformanceProfile"); ebRegistryType.setConformanceProfile(conformanceProfile); String operator = rs.getString("operator"); ebRegistryType.setOperator(operator); String replicationSyncLatencyString = rs.getString("replicationSyncLatency"); Duration replicationSyncLatency = DatatypeFactory.newInstance() .newDuration(replicationSyncLatencyString); ebRegistryType.setReplicationSyncLatency(replicationSyncLatency); String specificationVersion = rs.getString("specificationVersion"); ebRegistryType.setSpecificationVersion(specificationVersion); } catch (SQLException e) { log.error(ServerResourceBundle.getInstance().getString("message.CaughtException1"), e); throw new RegistryException(e); } catch (DatatypeConfigurationException e) { // TODO Auto-generated catch block e.printStackTrace(); } } /** * Creates an unitialized binding object for the type supported by this DAO. */ Object createObject() throws JAXBException { RegistryType ebRegistryType = bu.rimFac.createRegistryType(); return ebRegistryType; } }