/*
* 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;
/**
* A value converter is an object that can transform an object into a string or vice versa.
*
* @author Thomas Morgner
*/
public interface ValueConverter {
/**
* Converts an object to an attribute value.
*
* @param o
* the object, never null.
* @return the attribute value.
* @throws BeanException
* if there was an error during the conversion.
*/
public String toAttributeValue( Object o ) throws BeanException;
/**
* Converts a string to a property value.
*
* @param s
* the string, never null.
* @return a property value.
* @throws BeanException
* if there was an error during the conversion.
*/
public Object toPropertyValue( String s ) throws BeanException;
}