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: ConnectionReadHandlerFactory.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 */ 031 032 package org.jfree.report.modules.factories.data.sql; 033 034 import java.util.Iterator; 035 036 import org.jfree.report.JFreeReportBoot; 037 import org.jfree.xmlns.parser.AbstractReadHandlerFactory; 038 import org.jfree.util.Configuration; 039 040 /** 041 * Creation-Date: Dec 17, 2006, 8:58:11 PM 042 * 043 * @author Thomas Morgner 044 */ 045 public class ConnectionReadHandlerFactory extends AbstractReadHandlerFactory 046 { 047 private static final String PREFIX_SELECTOR = 048 "org.jfree.report.modules.factories.data.sql.connection-factory-prefix."; 049 050 private static ConnectionReadHandlerFactory readHandlerFactory; 051 052 public ConnectionReadHandlerFactory() 053 { 054 } 055 056 protected Class getTargetClass() 057 { 058 return ConnectionReadHandler.class; 059 } 060 061 public static synchronized ConnectionReadHandlerFactory getInstance() 062 { 063 if (readHandlerFactory == null) 064 { 065 readHandlerFactory = new ConnectionReadHandlerFactory(); 066 final Configuration config = JFreeReportBoot.getInstance().getGlobalConfig(); 067 final Iterator propertyKeys = config.findPropertyKeys(PREFIX_SELECTOR); 068 while (propertyKeys.hasNext()) 069 { 070 final String key = (String) propertyKeys.next(); 071 final String value = config.getConfigProperty(key); 072 if (value != null) 073 { 074 readHandlerFactory.configure(config, value); 075 } 076 } 077 } 078 return readHandlerFactory; 079 } 080 081 }