/*! * 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.modules.misc.datafactory; public interface ScriptValueConverter { /** * Attempts to convert a script-engine internal value to a pure java value. It is important to return * <code>null</code> for all values that cannot be converted by this implementation to let other implementations have * its turn. * * @param o * the value to be converted. * @return the converted value or null if the value is not convertible. */ public Object convert( Object o ); }