/*!
* 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) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.util.beans;
import org.pentaho.reporting.engine.classic.core.imagemap.ImageMap;
import org.pentaho.reporting.engine.classic.core.imagemap.parser.ImageMapParser;
import org.pentaho.reporting.engine.classic.core.imagemap.parser.ImageMapWriter;
import org.pentaho.reporting.libraries.resourceloader.ResourceException;
public class ImageMapValueConverter implements ValueConverter
{
public ImageMapValueConverter()
{
}
/**
* Converts an object to an attribute value.
*
* @param o the object.
* @return the attribute value.
* @throws org.pentaho.reporting.engine.classic.core.util.beans.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 ImageMap) == false)
{
throw new BeanException("Failed to convert object of type " + o.getClass() + ": Not a ImageMap.");
}
return ImageMapWriter.writeImageMapAsString((ImageMap) o);
}
/**
* Converts a string to a property value.
*
* @param s the string.
* @return a property value.
* @throws org.pentaho.reporting.engine.classic.core.util.beans.BeanException
* if there was an error during the conversion.
*/
public Object toPropertyValue(final String s) throws BeanException
{
if (s == null)
{
throw new NullPointerException();
}
try
{
final ImageMapParser parser = new ImageMapParser();
return parser.parseFromString(s);
}
catch (ResourceException ioe)
{
throw new BeanException("Failed to parse image map.", ioe);
}
}
}