/*
* 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.util.beans;
import java.awt.Font;
public class FontValueConverter implements ValueConverter {
public FontValueConverter() {
}
/**
* Converts an object to an attribute value.
*
* @param o
* the object.
* @return the attribute value.
* @throws BeanException
* if there was an error during the conversion.
*/
public String toAttributeValue( final Object o ) throws BeanException {
if ( o == null ) {
throw new NullPointerException();
}
if ( o instanceof Font == false ) {
throw new BeanException( "Failed to convert object of type " + o.getClass() + ": Not a Font." );
}
final Font font = (Font) o;
final int fontSize = font.getSize();
final String fontName = font.getName();
final int fontStyle = font.getStyle();
return fontName + '-' + styleToString( fontStyle ) + '-' + fontSize;
}
private static String styleToString( final int style ) {
if ( style == 0 ) {
return "plain";
}
if ( style == Font.BOLD ) {
return "bold";
}
if ( style == Font.ITALIC ) {
return "italic";
}
if ( style == ( Font.BOLD | Font.ITALIC ) ) {
return "bolditalic";
}
return "plain";
}
/**
* Converts a string to a property value.
*
* @param s
* the string.
* @return a property value.
* @throws BeanException
* if there was an error during the conversion.
*/
public Object toPropertyValue( final String s ) throws BeanException {
if ( s == null ) {
throw new NullPointerException();
}
return Font.decode( s );
}
}