/*
* 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 - 2009 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.BasicStroke;
/**
* An object-description for a <code>BasicStroke</code> object.
*
* @author Thomas Morgner
*/
public class BasicStrokeObjectDescription extends AbstractObjectDescription
{
/**
* Creates a new object description.
*/
public BasicStrokeObjectDescription()
{
super(BasicStroke.class);
setParameterDefinition("value", String.class);
setParameterDefinition("width", Float.class);
setParameterDefinition("dashes", Float[].class);
}
/**
* Returns a parameter as a float.
*
* @param param the parameter name.
* @return The float value.
*/
private float getFloatParameter(final String param)
{
final String p = (String) getParameter(param);
if (p == null)
{
return 0;
}
try
{
return Float.parseFloat(p);
}
catch (Exception e)
{
return 0;
}
}
/**
* Creates a new <code>BasicStroke</code> object based on this description.
*
* @return The <code>BasicStroke</code> object.
*/
public Object createObject()
{
final float width = getFloatParameter("value");
if (width > 0)
{
return new BasicStroke(width);
}
final Float realWidth = (Float) getParameter("width");
final Float[] dashes = (Float[]) getParameter("dashes");
if (realWidth == null || dashes == null)
{
return null;
}
final float[] dashesPrimitive = new float[dashes.length];
for (int i = 0; i < dashes.length; i++)
{
final Float dash = dashes[i];
dashesPrimitive[i] = dash.floatValue();
}
return new BasicStroke(realWidth.floatValue(),
BasicStroke.CAP_SQUARE, BasicStroke.JOIN_MITER,
10.0f, dashesPrimitive, 0.0f);
}
/**
* Sets the parameters for this description to match the supplied object.
*
* @param o the object (instance of <code>BasicStroke</code> required).
* @throws ObjectFactoryException if the supplied object is not an instance of <code>BasicStroke</code>.
*/
public void setParameterFromObject(final Object o) throws ObjectFactoryException
{
if (!(o instanceof BasicStroke))
{
throw new ObjectFactoryException("Expected object of type BasicStroke");
}
final BasicStroke bs = (BasicStroke) o;
setParameter("value", String.valueOf(bs.getLineWidth()));
}
}