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 org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import javax.xml.registry.RegistryException; import org.oasis.ebxml.registry.bindings.rim.AssociationType1; import org.oasis.ebxml.registry.bindings.rim.ObjectRefType; import org.oasis.ebxml.registry.bindings.rim.RegistryObjectType; import org.oasis.ebxml.registry.bindings.rim.UserType; class AssociationDAO extends RegistryObjectDAO { private static final Log log = LogFactory.getLog(AssociationDAO.class); /** * Use this constructor only. */ AssociationDAO(ServerRequestContext context) { super(context); } public static String getTableNameStatic() { return "Association"; } public String getTableName() { return getTableNameStatic(); } //TODO: Remove association confirmation in spec and replace with ACP //TODO: put associationConfirmation here if still in spec /** * 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. */ @SuppressWarnings("unused") protected String getSQLStatementFragment(Object ro) throws RegistryException { AssociationType1 ass = (AssociationType1) ro; String stmtFragment = null; String srcId = ass.getSourceObject(); String targetId = ass.getTargetObject(); String associationType = ass.getAssociationType(); if (associationType != null) { associationType = "'" + associationType + "'"; } UserType sourceOwner = null; UserType targetOwner = null; //TODO: Illegal workaround until AE is fixed for V3 UserType user = context.getUser(); sourceOwner = user; targetOwner = user; if (action == DAO_ACTION_INSERT) { stmtFragment = "INSERT INTO Association " + super.getSQLStatementFragment(ro) + ", " + associationType + ",'" + srcId + "', '" + targetId + "' ) "; } else if (action == DAO_ACTION_UPDATE) { stmtFragment = "UPDATE Association SET " + super.getSQLStatementFragment(ro) + ", associationType=" + associationType + ", sourceObject='" + srcId + "', targetObject='" + targetId + "' 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 AssociationType1)) { throw new RegistryException(ServerResourceBundle.getInstance() .getString("message.AssociationExpected", new Object[] { obj })); } AssociationType1 ebAssociationType = (AssociationType1) obj; super.loadObject(ebAssociationType, rs); String associationType = rs.getString("associationType"); ebAssociationType.setAssociationType(associationType); String sourceObjectId = rs.getString("sourceObject"); ObjectRefType ebSourceObjectRefType = bu.rimFac.createObjectRefType(); ebSourceObjectRefType.setId(sourceObjectId); context.getObjectRefs().add(ebSourceObjectRefType); ebAssociationType.setSourceObject(sourceObjectId); String targetObjectId = rs.getString("targetObject"); ObjectRefType ebTargetObjectRefType = bu.rimFac.createObjectRefType(); ebTargetObjectRefType.setId(targetObjectId); context.getObjectRefs().add(ebTargetObjectRefType); ebAssociationType.setTargetObject(targetObjectId); } catch (SQLException e) { log.error(ServerResourceBundle.getInstance().getString("message.CaughtException1"), e); throw new RegistryException(e); } } /** * Creates an unitialized binding object for the type supported by this DAO. */ Object createObject() throws JAXBException { AssociationType1 ebAssociationType = bu.rimFac.createAssociationType1(); return ebAssociationType; } }