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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: ConnectionReadHandlerFactory.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: 32: package org.jfree.report.modules.factories.data.sql; 33: 34: import java.util.Iterator; 35: 36: import org.jfree.report.JFreeReportBoot; 37: import org.jfree.xmlns.parser.AbstractReadHandlerFactory; 38: import org.jfree.util.Configuration; 39: 40: /** 41: * Creation-Date: Dec 17, 2006, 8:58:11 PM 42: * 43: * @author Thomas Morgner 44: */ 45: public class ConnectionReadHandlerFactory extends AbstractReadHandlerFactory 46: { 47: private static final String PREFIX_SELECTOR = 48: "org.jfree.report.modules.factories.data.sql.connection-factory-prefix."; 49: 50: private static ConnectionReadHandlerFactory readHandlerFactory; 51: 52: public ConnectionReadHandlerFactory() 53: { 54: } 55: 56: protected Class getTargetClass() 57: { 58: return ConnectionReadHandler.class; 59: } 60: 61: public static synchronized ConnectionReadHandlerFactory getInstance() 62: { 63: if (readHandlerFactory == null) 64: { 65: readHandlerFactory = new ConnectionReadHandlerFactory(); 66: final Configuration config = JFreeReportBoot.getInstance().getGlobalConfig(); 67: final Iterator propertyKeys = config.findPropertyKeys(PREFIX_SELECTOR); 68: while (propertyKeys.hasNext()) 69: { 70: final String key = (String) propertyKeys.next(); 71: final String value = config.getConfigProperty(key); 72: if (value != null) 73: { 74: readHandlerFactory.configure(config, value); 75: } 76: } 77: } 78: return readHandlerFactory; 79: } 80: 81: }