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1: /** 2: * ======================================== 3: * JFreeReport : a free Java report library 4: * ======================================== 5: * 6: * Project Info: http://reporting.pentaho.org/ 7: * 8: * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors. 9: * 10: * This library is free software; you can redistribute it and/or modify it under the terms 11: * of the GNU Lesser General Public License as published by the Free Software Foundation; 12: * either version 2.1 of the License, or (at your option) any later version. 13: * 14: * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 15: * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 16: * See the GNU Lesser General Public License for more details. 17: * 18: * You should have received a copy of the GNU Lesser General Public License along with this 19: * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, 20: * Boston, MA 02111-1307, USA. 21: * 22: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 23: * in the United States and other countries.] 24: * 25: * ------------ 26: * $Id: ClassValueConverter.java 2725 2007-04-01 18:49:29Z taqua $ 27: * ------------ 28: * (C) Copyright 2000-2005, by Object Refinery Limited. 29: * (C) Copyright 2005-2007, by Pentaho Corporation. 30: */ 31: package org.jfree.report.util.beans; 32: 33: import org.jfree.util.ObjectUtilities; 34: 35: /** 36: * A class that handles the conversion of {@link Integer} attributes to and from their 37: * {@link String} representation. 38: * 39: * @author Thomas Morgner 40: */ 41: public class ClassValueConverter implements ValueConverter 42: { 43: public ClassValueConverter () 44: { 45: } 46: 47: public String toAttributeValue (final Object o) 48: { 49: if (o instanceof Class) 50: { 51: final Class c = (Class) o; 52: return c.getName(); 53: } 54: throw new ClassCastException("Give me a real type."); 55: } 56: 57: public Object toPropertyValue (final String s) 58: { 59: try 60: { 61: final ClassLoader loader = ObjectUtilities.getClassLoader(ClassValueConverter.class); 62: return loader.loadClass(s); 63: } 64: catch (ClassNotFoundException e) 65: { 66: throw new IllegalArgumentException("No such class."); 67: } 68: } 69: }