it.cnr.icar.eric.server.persistence.rdb.SubscriptionDAO.java Source code

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/*
 * ====================================================================
 * 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 java.sql.Timestamp;
import java.util.GregorianCalendar;
import java.util.List;

import javax.xml.bind.JAXBException;
import javax.xml.datatype.DatatypeConfigurationException;
import javax.xml.datatype.DatatypeFactory;
import javax.xml.datatype.Duration;
import javax.xml.datatype.XMLGregorianCalendar;
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.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);

        // xxx pa 120203 handle getAction() return of JAXBElement list
        notifyActionDAO.insert(bu.getActionTypeListFromElements(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();

        XMLGregorianCalendar endTime = subscription.getEndTime();
        String endTimeAsString = null;

        if (endTime != null) {
            endTimeAsString = " '" + (new Timestamp(endTime.toGregorianCalendar().getTimeInMillis())) + "'";
        }

        Duration notificationInterval = subscription.getNotificationInterval();
        String notificationIntervalString = "";

        if (notificationInterval != null) {
            notificationIntervalString = "'" + notificationInterval.toString() + "'";
        }
        // xxx 120203 pa fix for missing XJC/JAXB generated default value for
        // duration
        else {
            notificationIntervalString = "'P1D'";
        }

        XMLGregorianCalendar startTime = subscription.getStartTime();
        String startTimeAsString = null;

        if (startTime != null) {
            startTimeAsString = " '" + (new Timestamp(startTime.toGregorianCalendar().getTimeInMillis())) + "'";
        }

        if (action == DAO_ACTION_INSERT) {
            stmtFragment = "INSERT INTO Subscription " + super.getSQLStatementFragment(ro) + ", '" + selector
                    + "', " + endTimeAsString + ", " + notificationIntervalString + ", " + startTimeAsString
                    + " ) ";
        } else if (action == DAO_ACTION_UPDATE) {
            stmtFragment = "UPDATE Subscription SET " + super.getSQLStatementFragment(ro) + ", selector='"
                    + selector + "', endTime=" + endTimeAsString + ", notificationInterval="
                    + notificationIntervalString + ", startTime=" + startTimeAsString + " WHERE id = '"
                    + ((RegistryObjectType) ro).getId() + "' ";
        } else if (action == DAO_ACTION_DELETE) {
            stmtFragment = super.getSQLStatementFragment(ro);
        }

        return stmtFragment;
    }

    @SuppressWarnings("unchecked")
    protected void loadObject(Object obj, ResultSet rs) throws RegistryException {
        try {
            if (!(obj instanceof SubscriptionType)) {
                throw new RegistryException(ServerResourceBundle.getInstance()
                        .getString("message.SubscriptionTypeExpected", new Object[] { obj }));
            }

            SubscriptionType ebSubscriptionType = (SubscriptionType) obj;
            super.loadObject(obj, rs);

            String selector = rs.getString("selector");
            ebSubscriptionType.setSelector(selector);

            // Need to work around a bug in PostgreSQL and loading of
            // ClassificationScheme data from NIST tests
            try {
                Timestamp endTimestamp = rs.getTimestamp("endTime");

                if (endTimestamp != null) {
                    // Calendar calendar = Calendar.getInstance();
                    // calendar.setTimeInMillis(endTime.getTime());

                    GregorianCalendar calendar = new GregorianCalendar();
                    calendar.setTimeInMillis(endTimestamp.getTime());
                    XMLGregorianCalendar endTime = DatatypeFactory.newInstance().newXMLGregorianCalendar(calendar);

                    ebSubscriptionType.setEndTime(endTime);
                }
            } catch (StringIndexOutOfBoundsException e) {
                String id = rs.getString("id");
                log.error(ServerResourceBundle.getInstance().getString("message.SubscriptionDAOId",
                        new Object[] { id }), e);
            }

            String notificationIntervalString = rs.getString("notificationInterval");

            if (notificationIntervalString != null) {
                Duration notificationInterval = DatatypeFactory.newInstance()
                        .newDuration(notificationIntervalString);
                ebSubscriptionType.setNotificationInterval(notificationInterval);
            }

            // Need to work around a bug in PostgreSQL and loading of
            // ClassificationScheme data from NIST tests
            try {
                Timestamp startTimestamp = rs.getTimestamp("startTime");

                if (startTimestamp != null) {
                    // Calendar calendar = Calendar.getInstance();
                    // calendar.setTimeInMillis(startTime.getTime());

                    GregorianCalendar calendar = new GregorianCalendar();
                    calendar.setTimeInMillis(startTimestamp.getTime());

                    XMLGregorianCalendar startTime = DatatypeFactory.newInstance()
                            .newXMLGregorianCalendar(new GregorianCalendar());

                    ebSubscriptionType.setStartTime(startTime);
                }
            } 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(ebSubscriptionType);
            @SuppressWarnings("rawtypes")
            List notifyActions = notifyActionDAO.getByParent();
            if (notifyActions != null) {
                bu.getActionTypeListFromElements(ebSubscriptionType.getAction()).addAll(notifyActions);
            }

        } 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 {
        SubscriptionType ebSubscriptionType = bu.rimFac.createSubscriptionType();

        return ebSubscriptionType;
    }
}