01: /**
02: * ========================================
03: * JFreeReport : a free Java report library
04: * ========================================
05: *
06: * Project Info: http://reporting.pentaho.org/
07: *
08: * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
09: *
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: DataFactoryReadHandlerFactory.java 3048 2007-07-28 18:02:42Z tmorgner $
27: * ------------
28: * (C) Copyright 2000-2005, by Object Refinery Limited.
29: * (C) Copyright 2005-2007, by Pentaho Corporation.
30: */package org.jfree.report.modules.factories.data.base;
31:
32: import java.util.Iterator;
33:
34: import org.jfree.report.JFreeReportBoot;
35: import org.jfree.util.Configuration;
36: import org.jfree.xmlns.parser.AbstractReadHandlerFactory;
37:
38: /**
39: * Creation-Date: 27.11.2006, 11:48:02
40: *
41: * @author Thomas Morgner
42: */
43: public class DataFactoryReadHandlerFactory extends
44: AbstractReadHandlerFactory {
45:
46: private static final String PREFIX_SELECTOR = "org.jfree.report.modules.factories.data.data-factory-prefix.";
47:
48: private static DataFactoryReadHandlerFactory readHandlerFactory;
49:
50: public DataFactoryReadHandlerFactory() {
51: }
52:
53: protected Class getTargetClass() {
54: return DataFactoryReadHandler.class;
55: }
56:
57: public static synchronized DataFactoryReadHandlerFactory getInstance() {
58: if (DataFactoryReadHandlerFactory.readHandlerFactory == null) {
59: DataFactoryReadHandlerFactory.readHandlerFactory = new DataFactoryReadHandlerFactory();
60: final Configuration config = JFreeReportBoot.getInstance()
61: .getGlobalConfig();
62: final Iterator propertyKeys = config
63: .findPropertyKeys(DataFactoryReadHandlerFactory.PREFIX_SELECTOR);
64: while (propertyKeys.hasNext()) {
65: final String key = (String) propertyKeys.next();
66: final String value = config.getConfigProperty(key);
67: if (value != null) {
68: DataFactoryReadHandlerFactory.readHandlerFactory
69: .configure(config, value);
70: }
71: }
72: }
73: return DataFactoryReadHandlerFactory.readHandlerFactory;
74: }
75: }
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