/*
* 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.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() ) );
}
}