/*
* 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.awt.geom.Point2D;
/**
* An object-description for a <code>Point2D</code> object.
*
* @author Thomas Morgner
*/
public class Point2DObjectDescription extends AbstractObjectDescription {
/**
* Creates a new object description.
*/
public Point2DObjectDescription() {
super( Point2D.class );
setParameterDefinition( "x", Float.class );
setParameterDefinition( "y", Float.class );
}
/**
* Creates an object based on this description.
*
* @return The object.
*/
public Object createObject() {
final Point2D point = new Point2D.Float();
final float x = getFloatParameter( "x" );
final float y = getFloatParameter( "y" );
point.setLocation( x, y );
return point;
}
/**
* Returns a parameter value as a float.
*
* @param param
* the parameter name.
* @return The float value.
*/
private float getFloatParameter( final String param ) {
final Float p = (Float) getParameter( param );
if ( p == null ) {
return 0;
}
return p.floatValue();
}
/**
* Sets the parameters of this description object to match the supplied object.
*
* @param o
* the object (should be an instance of <code>Point2D</code>).
* @throws ObjectFactoryException
* if the object is not an instance of <code>Point2D</code>.
*/
public void setParameterFromObject( final Object o ) throws ObjectFactoryException {
if ( !( o instanceof Point2D ) ) {
throw new ObjectFactoryException( "The given object is no java.awt.geom.Point2D." );
}
final Point2D point = (Point2D) o;
final float x = (float) point.getX();
final float y = (float) point.getY();
setParameter( "x", new Float( x ) );
setParameter( "y", new Float( y ) );
}
}