001 /** 002 * ======================================== 003 * JFreeReport : a free Java report library 004 * ======================================== 005 * 006 * Project Info: http://reporting.pentaho.org/ 007 * 008 * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors. 009 * 010 * This library is free software; you can redistribute it and/or modify it under the terms 011 * of the GNU Lesser General Public License as published by the Free Software Foundation; 012 * either version 2.1 of the License, or (at your option) any later version. 013 * 014 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 015 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 016 * See the GNU Lesser General Public License for more details. 017 * 018 * You should have received a copy of the GNU Lesser General Public License along with this 019 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, 020 * Boston, MA 02111-1307, USA. 021 * 022 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 023 * in the United States and other countries.] 024 * 025 * ------------ 026 * $Id: ClassValueConverter.java 2725 2007-04-01 18:49:29Z taqua $ 027 * ------------ 028 * (C) Copyright 2000-2005, by Object Refinery Limited. 029 * (C) Copyright 2005-2007, by Pentaho Corporation. 030 */ 031 package org.jfree.report.util.beans; 032 033 import org.jfree.util.ObjectUtilities; 034 035 /** 036 * A class that handles the conversion of {@link Integer} attributes to and from their 037 * {@link String} representation. 038 * 039 * @author Thomas Morgner 040 */ 041 public class ClassValueConverter implements ValueConverter 042 { 043 public ClassValueConverter () 044 { 045 } 046 047 public String toAttributeValue (final Object o) 048 { 049 if (o instanceof Class) 050 { 051 final Class c = (Class) o; 052 return c.getName(); 053 } 054 throw new ClassCastException("Give me a real type."); 055 } 056 057 public Object toPropertyValue (final String s) 058 { 059 try 060 { 061 final ClassLoader loader = ObjectUtilities.getClassLoader(ClassValueConverter.class); 062 return loader.loadClass(s); 063 } 064 catch (ClassNotFoundException e) 065 { 066 throw new IllegalArgumentException("No such class."); 067 } 068 } 069 }