001 /** 002 * =========================================== 003 * LibLayout : a free Java layouting library 004 * =========================================== 005 * 006 * Project Info: http://reporting.pentaho.org/liblayout/ 007 * 008 * (C) Copyright 2006-2007, by 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: InstantiationState.java 3524 2007-10-16 11:26:31Z tmorgner $ 027 * ------------ 028 * (C) Copyright 2006-2007, by Pentaho Corporation. 029 */ 030 package org.jfree.layouting; 031 032 /** 033 * Creation-Date: 17.07.2006, 17:44:11 034 * 035 * @author Thomas Morgner 036 */ 037 public class InstantiationState implements State 038 { 039 private Class c; 040 041 public InstantiationState(final Class c) 042 { 043 this.c = c; 044 } 045 046 /** 047 * Creates a restored instance of the saved component. 048 * <p/> 049 * By using this factory-like approach, we gain independence from having to 050 * know the actual implementation. This makes things a lot easier. 051 * 052 * @param layoutProcess the layout process that controls it all 053 * @return the saved state 054 * @throws org.jfree.layouting.StateException 055 * 056 */ 057 public StatefullComponent restore(final LayoutProcess layoutProcess) 058 throws StateException 059 { 060 try 061 { 062 return (StatefullComponent) c.newInstance(); 063 } 064 catch (Exception e) 065 { 066 throw new StateException(); 067 } 068 } 069 }