001/* 
002 * JKNIV, whinstone one contract to access your database.
003 * 
004 * Copyright (C) 2017, the original author or authors.
005 *
006 * This library is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 2.1 of the License.
010 * 
011 * This library is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 * 
016 * You should have received a copy of the GNU Lesser General Public
017 * License along with this library; if not, write to the Free Software Foundation, Inc., 
018 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
019 */
020package net.sf.jkniv.whinstone.types;
021
022import java.text.ParseException;
023import java.text.SimpleDateFormat;
024import java.util.Date;
025
026/**
027 * Conversion type from {@code Java java.util.Date} to {@code JDBC INTEGER}.
028 * 
029 * @author Alisson Gomes
030 * @since 0.6.0
031 */
032public class DateIntType implements Convertible<Date, Integer>
033{
034    private String pattern;
035    
036    public DateIntType(String pattern)
037    {
038        this.pattern = pattern;
039    }
040    
041    @Override
042    public Integer toJdbc(Date attribute)
043    {
044        if (attribute == null)
045            return null;
046        
047        SimpleDateFormat sdf = new SimpleDateFormat(pattern);
048        return Integer.valueOf(sdf.format(attribute));
049    }
050
051    @Override
052    public Date toAttribute(Integer jdbc)
053    {
054        if (jdbc == null)
055            return null;
056        
057        SimpleDateFormat sdf = new SimpleDateFormat(pattern);
058        try
059        {
060            return sdf.parse(String.valueOf(jdbc));
061        }
062        catch (ParseException e)
063        {
064            throw new ConverterException(e);
065        }
066    }
067
068    @Override
069    public Class<Date> getType()
070    {
071        return Date.class;
072    }
073    
074    @Override
075    public ColumnType getColumnType() 
076    {
077        return JdbcType.INTEGER;
078    }
079
080    @Override
081    public String toString()
082    {
083        return "DateIntType [pattern=" + pattern + ", type="
084                + getType() + ", columnType=" + getColumnType() + "]";
085    }
086}