database.BomDataLoader.java Source code

Introduction

Here is the source code for database.BomDataLoader.java

Source

/**
 * Copyright (c) 2013, RMIT University, Australia.
 * All rights reserved.
 * 
 * This code is under the BSD license. See 'license.txt' for details.
 * Project hosted at: https://code.google.com/p/climate-smart-seaports/
 */
package database;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.AnnotationConfiguration;
import org.hibernate.cfg.ImprovedNamingStrategy;
import org.hibernate.tool.hbm2ddl.SchemaExport;

import war.model.*;

/**
 * Class used to load BoM (observed trends data) dataset in the database
 * @author Guillaume Prevost
 */
@SuppressWarnings("deprecation")
public class BomDataLoader {

    public static final String bomPictureFolderPath = "src/main/java/database/bom-pictures/";

    /**
     * Main method used to load BoM (observed trends) data only.
     * On an existing database, this may duplicate data.
     * @param args: no parameters
     */
    public static void main(String[] args) {
        AnnotationConfiguration config = new AnnotationConfiguration();
        config.setNamingStrategy(ImprovedNamingStrategy.INSTANCE);
        config.configure("database/hibernate.cfg.xml");
        new SchemaExport(config).create(true, true);

        SessionFactory factory = config.buildSessionFactory();
        Session session = factory.getCurrentSession();
        session.beginTransaction();

        LoadBomData(session);

        session.getTransaction().commit();
    }

    /**
     * Loads the BoM (observed trends) dataset in the database
     * @param session: the Hibernate Session object which takes care of persisting objects in the database
     */
    public static void LoadBomData(Session session) {

        DateFormat yearFormatter = new SimpleDateFormat("yyyy");
        Date datePastData = new Date();

        Date dateShortTermPastStart;
        try {
            dateShortTermPastStart = yearFormatter.parse("1970");
        } catch (ParseException e) {
            dateShortTermPastStart = new Date();
        }

        Date dateShortTermPastEnd;
        try {
            dateShortTermPastEnd = yearFormatter.parse("2012");
        } catch (ParseException e) {
            dateShortTermPastEnd = new Date();
        }

        Date dateSLRShortTermPastEnd;
        try {
            dateSLRShortTermPastEnd = yearFormatter.parse("2011");
        } catch (ParseException e) {
            dateSLRShortTermPastEnd = new Date();
        }

        Date dateLongTermPastStart;
        try {
            dateLongTermPastStart = yearFormatter.parse("1880");
        } catch (ParseException e) {
            dateLongTermPastStart = new Date();
        }

        Date dateLongTermPastEnd;
        try {
            dateLongTermPastEnd = yearFormatter.parse("2012");
        } catch (ParseException e) {
            dateLongTermPastEnd = new Date();
        }

        session.save(new PastData("Trend in mean temperatures", datePastData, dateShortTermPastStart,
                dateShortTermPastEnd,
                "http://www.bom.gov.au/cgi-bin/climate/change/trendmaps.cgi?map=tmean&area=aus&season=0112&period=1970",
                "trend-mean-temp"));

        session.save(new PastData("Trend in maximum temperatures", datePastData, dateShortTermPastStart,
                dateShortTermPastEnd,
                "http://www.bom.gov.au/cgi-bin/climate/change/trendmaps.cgi?map=tmax&area=aus&season=0112&period=1970",
                "trend-max-temp"));

        session.save(new PastData("Trend in total annual rainfall", datePastData, dateShortTermPastStart,
                dateShortTermPastEnd,
                "http://www.bom.gov.au/cgi-bin/climate/change/trendmaps.cgi?map=rain&area=aus&season=0112&period=1970",
                "trend-rainfall"));

        session.save(new PastData("Long-term sea level rise measurements", datePastData, dateLongTermPastStart,
                dateLongTermPastEnd, "http://www.cmar.csiro.au/sealevel/sl_hist_few_hundred.html",
                "long-term-slr"));

        session.save(new PastData("Shorter-term changes in sea level", datePastData, dateShortTermPastStart,
                dateSLRShortTermPastEnd,
                "http://www.csiro.au/Outcomes/Climate/Understanding/State-of-the-Climate-2012.aspx",
                "short-term-slr"));
    }
}