Java tutorial
/* * ==================================================================== * * This code is subject to the freebxml License, Version 1.1 * * Copyright (c) 2001 - 2003 freebxml.org. All rights reserved. * * $Header: /cvsroot/ebxmlrr/omar/src/java/org/freebxml/omar/server/persistence/rdb/RegistryPackageDAO.java,v 1.26 2006/08/24 20:42:29 farrukh_najmi Exp $ * ==================================================================== */ package org.freebxml.omar.server.persistence.rdb; import java.sql.ResultSet; import javax.xml.bind.JAXBException; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import javax.xml.registry.RegistryException; import org.freebxml.omar.server.common.ServerRequestContext; import org.freebxml.omar.server.util.ServerResourceBundle; import org.oasis.ebxml.registry.bindings.rim.RegistryPackage; import org.oasis.ebxml.registry.bindings.rim.RegistryPackageType; /** * Package instances are RegistryEntries that group logically related * RegistryEntries together. One use of a Package is to allow operations to * be performed on an entire package of objects. For example all objects belonging * to a Package may be deleted in a single request. * * <p><DL><DT><B>Capability Level: 1 </B><DD>This interface is required to be implemented by JAXR Providers at or above capability level 1.</DL> * * */ class RegistryPackageDAO extends RegistryObjectDAO { private static final Log log = LogFactory.getLog(RegistryPackageDAO.class); /** * Use this constructor only. */ public RegistryPackageDAO(ServerRequestContext context) { super(context); } public static String getTableNameStatic() { return "RegistryPackage"; } 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 { RegistryPackageType pkg = (RegistryPackageType) ro; String stmtFragment = null; if (action == DAO_ACTION_INSERT) { stmtFragment = "INSERT INTO RegistryPackage " + super.getSQLStatementFragment(ro) + " ) "; } else if (action == DAO_ACTION_UPDATE) { stmtFragment = "UPDATE RegistryPackage SET " + super.getSQLStatementFragment(ro) + " WHERE id = '" + pkg.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 RegistryPackage)) { throw new RegistryException(ServerResourceBundle.getInstance() .getString("message.RegistryPackageExpected", new Object[] { obj })); } RegistryPackage pkg = (RegistryPackage) obj; super.loadObject(obj, rs); } catch (Exception e) { log.error(ServerResourceBundle.getInstance().getString("message.CaughtException"), e); throw new RegistryException(e); } } /** * Creates an unitialized binding object for the type supported by this DAO. */ Object createObject() throws JAXBException { RegistryPackage obj = bu.rimFac.createRegistryPackage(); return obj; } }