/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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 Lesser General Public License for more details.
*
* Copyright (c) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.modules.parser.ext.factory.base;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;
/**
* An object-description for a <code>Date</code> object.
*
* @author Thomas Morgner
*/
public class DateObjectDescription extends AbstractObjectDescription {
private SimpleDateFormat dateFormat;
/**
* Creates a new object description.
*/
public DateObjectDescription() {
super( Date.class );
dateFormat = new SimpleDateFormat( "yyyy-MM-dd'T'HH:mm:ss.SSSZ", Locale.US );
setParameterDefinition( "year", Integer.class );
setParameterDefinition( "month", Integer.class );
setParameterDefinition( "day", Integer.class );
setParameterDefinition( "value", String.class );
}
/**
* Creates an object based on this description.
*
* @return The object.
*/
public Object createObject() {
final Object value = getParameter( "value" );
if ( value != null ) {
final String svalue = String.valueOf( value );
try {
return dateFormat.parse( svalue );
} catch ( Exception e ) {
return null;
}
} else {
final int y = getIntParameter( "year" );
final int m = getIntParameter( "month" );
final int d = getIntParameter( "day" );
return new GregorianCalendar( y, m, d ).getTime();
}
}
/**
* Returns a parameter value as an <code>int</code>.
*
* @param param
* the parameter name.
* @return The parameter value.
*/
private int getIntParameter( final String param ) {
final Integer p = (Integer) getParameter( param );
if ( p == null ) {
return 0;
}
return p.intValue();
}
/**
* Sets the parameters of this description object to match the supplied object.
*
* @param o
* the object (should be an instance of <code>Date</code>).
* @throws ObjectFactoryException
* if the object is not an instance of <code>Date</code>.
*/
public void setParameterFromObject( final Object o ) throws ObjectFactoryException {
if ( o instanceof Date ) {
// final GregorianCalendar gc = new GregorianCalendar();
// gc.setTime((Date) o);
// final int year = gc.get(Calendar.YEAR);
// final int month = gc.get(Calendar.MONTH);
// final int day = gc.get(Calendar.DAY_OF_MONTH);
//
// setParameter("year", new Integer(year));
// setParameter("month", new Integer(month));
// setParameter("day", new Integer(day));
setParameter( "value", dateFormat.format( (Date) o ) );
} else {
throw new ObjectFactoryException( "Is no instance of java.util.Date" );
}
}
}