001 /** 002 * ========================================= 003 * LibXML : a free Java layouting library 004 * ========================================= 005 * 006 * Project Info: http://reporting.pentaho.org/libxml/ 007 * 008 * (C) Copyright 2006-2007, by Object Refinery Ltd, 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 * ------------ 027 * $Id: LibXmlBoot.java 3518 2007-10-16 10:26:53Z tmorgner $ 028 * ------------ 029 * (C) Copyright 2006-2007, by Pentaho Corporation. 030 */ 031 032 package org.jfree.xmlns; 033 034 import org.jfree.base.AbstractBoot; 035 import org.jfree.base.BootableProjectInfo; 036 import org.jfree.util.Configuration; 037 038 /** 039 * The LibXmlBoot class is used to initialize the library before it is 040 * first used. This loads all configurations and initializes all factories. 041 * 042 * Without booting, basic services like logging and the global configuration 043 * will not be availble. 044 * 045 * @author Thomas Morgner 046 */ 047 public class LibXmlBoot extends AbstractBoot 048 { 049 private static LibXmlBoot singleton; 050 051 /** 052 * Returns the singleton instance of the boot-class. 053 * 054 * @return the singleton booter. 055 */ 056 public static synchronized LibXmlBoot getInstance() 057 { 058 if (singleton == null) 059 { 060 singleton = new LibXmlBoot(); 061 } 062 return singleton; 063 } 064 065 /** 066 * Private constructor prevents object creation. 067 */ 068 private LibXmlBoot () 069 { 070 } 071 072 /** 073 * Returns the project info. 074 * 075 * @return The project info. 076 */ 077 protected BootableProjectInfo getProjectInfo () 078 { 079 return LibXmlInfo.getInstance(); 080 } 081 082 /** 083 * Loads the configuration. 084 * 085 * @return The configuration. 086 */ 087 protected Configuration loadConfiguration () 088 { 089 return createDefaultHierarchicalConfiguration 090 ("/org/jfree/xmlns/libxml.properties", 091 "/libxml.properties", true); 092 } 093 094 /** 095 * Performs the boot. 096 */ 097 protected void performBoot () 098 { 099 } 100 }