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/SubscriptionDAO.java,v 1.16 2006/08/24 20:42:29 farrukh_najmi Exp $ * ==================================================================== */ package org.freebxml.omar.server.persistence.rdb; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Timestamp; import java.util.Calendar; import java.util.List; 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.RegistryObjectType; import org.oasis.ebxml.registry.bindings.rim.Subscription; import org.oasis.ebxml.registry.bindings.rim.SubscriptionType; /** * * @author Farrukh S. Najmi * @author Nikola Stojanovic */ class SubscriptionDAO extends RegistryObjectDAO { private static final Log log = LogFactory.getLog(SubscriptionDAO.class); /** * Use this constructor only. */ SubscriptionDAO(ServerRequestContext context) { super(context); } public static String getTableNameStatic() { return "Subscription"; } public String getTableName() { return getTableNameStatic(); } protected void deleteComposedObjects(Object object) throws RegistryException { SubscriptionType subscription = (SubscriptionType) object; super.deleteComposedObjects(subscription); NotifyActionDAO notifyActionDAO = new NotifyActionDAO(context); notifyActionDAO.setParent(subscription); notifyActionDAO.deleteByParent(); } protected void insertComposedObjects(Object object) throws RegistryException { SubscriptionType subscription = (SubscriptionType) object; super.insertComposedObjects(subscription); NotifyActionDAO notifyActionDAO = new NotifyActionDAO(context); notifyActionDAO.setParent(subscription); notifyActionDAO.insert(subscription.getAction()); } /** * 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 { SubscriptionType subscription = (SubscriptionType) ro; String stmtFragment = null; String selector = subscription.getSelector(); Calendar endTime = subscription.getEndTime(); String endTimeAsString = null; if (endTime != null) { endTimeAsString = " '" + (new Timestamp(endTime.getTimeInMillis())) + "'"; } String notificationInterval = subscription.getNotificationInterval(); if (notificationInterval != null) { notificationInterval = "'" + notificationInterval + "'"; } Calendar startTime = subscription.getStartTime(); String startTimeAsString = null; if (startTime != null) { startTimeAsString = " '" + (new Timestamp(startTime.getTimeInMillis())) + "'"; } if (action == DAO_ACTION_INSERT) { stmtFragment = "INSERT INTO Subscription " + super.getSQLStatementFragment(ro) + ", '" + selector + "', " + endTimeAsString + ", " + notificationInterval + ", " + startTimeAsString + " ) "; } else if (action == DAO_ACTION_UPDATE) { stmtFragment = "UPDATE Subscription SET " + super.getSQLStatementFragment(ro) + ", selector='" + selector + "', endTime=" + endTimeAsString + ", notificationInterval=" + notificationInterval + ", startTime=" + startTimeAsString + " 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 org.oasis.ebxml.registry.bindings.rim.Subscription)) { throw new RegistryException(ServerResourceBundle.getInstance() .getString("message.SubscriptionTypeExpected", new Object[] { obj })); } Subscription subscription = (Subscription) obj; super.loadObject(obj, rs); String selector = rs.getString("selector"); subscription.setSelector(selector); //Need to work around a bug in PostgreSQL and loading of ClassificationScheme data from NIST tests try { Timestamp endTime = rs.getTimestamp("endTime"); if (endTime != null) { Calendar calendar = Calendar.getInstance(); calendar.setTimeInMillis(endTime.getTime()); subscription.setEndTime(calendar); } } catch (StringIndexOutOfBoundsException e) { String id = rs.getString("id"); log.error(ServerResourceBundle.getInstance().getString("message.SubscriptionDAOId", new Object[] { id }), e); } String notificationInterval = rs.getString("notificationInterval"); if (notificationInterval != null) { subscription.setNotificationInterval(notificationInterval); } //Need to work around a bug in PostgreSQL and loading of ClassificationScheme data from NIST tests try { Timestamp startTime = rs.getTimestamp("startTime"); if (startTime != null) { Calendar calendar = Calendar.getInstance(); calendar.setTimeInMillis(startTime.getTime()); subscription.setStartTime(calendar); } } catch (StringIndexOutOfBoundsException e) { String id = rs.getString("id"); log.error(ServerResourceBundle.getInstance().getString("message.SubscriptionDAOId", new Object[] { id }), e); } NotifyActionDAO notifyActionDAO = new NotifyActionDAO(context); notifyActionDAO.setParent(subscription); List notifyActions = notifyActionDAO.getByParent(); if (notifyActions != null) { subscription.getAction().addAll(notifyActions); } } 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 { Subscription obj = bu.rimFac.createSubscription(); return obj; } }