Source for org.jfree.report.modules.factories.report.base.NodeReadHandlerFactory

   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: NodeReadHandlerFactory.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.report.base;
  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: 27.11.2006, 11:48:02
  42:  *
  43:  * @author Thomas Morgner
  44:  */
  45: public class NodeReadHandlerFactory extends AbstractReadHandlerFactory
  46: {
  47: 
  48:   private static final String PREFIX_SELECTOR =
  49:       "org.jfree.report.modules.factories.report.base.node-factory-prefix.";
  50: 
  51:   private static NodeReadHandlerFactory readHandlerFactory;
  52: 
  53:   public NodeReadHandlerFactory()
  54:   {
  55:   }
  56: 
  57:   protected Class getTargetClass()
  58:   {
  59:     return NodeReadHandler.class;
  60:   }
  61: 
  62:   public static synchronized NodeReadHandlerFactory getInstance()
  63:   {
  64:     if (readHandlerFactory == null)
  65:     {
  66:       readHandlerFactory = new NodeReadHandlerFactory();
  67:       final Configuration config = JFreeReportBoot.getInstance().getGlobalConfig();
  68:       final Iterator propertyKeys = config.findPropertyKeys(PREFIX_SELECTOR);
  69:       while (propertyKeys.hasNext())
  70:       {
  71:         final String key = (String) propertyKeys.next();
  72:         final String value = config.getConfigProperty(key);
  73:         if (value != null)
  74:         {
  75:           readHandlerFactory.configure(config, value);
  76:         }
  77:       }
  78:     }
  79:     return readHandlerFactory;
  80:   }
  81: }