Workspace/Siman-Common/src/org/splat/util/BeanHelper.java

   1 /*****************************************************************************
   2  * Company         OPEN CASCADE
   3  * Application     SIMAN
   4  * File            $Id$
   5  * Creation date   05.10.2012
   6  * @author         $Author$
   7  * @version        $Revision$
   8  *****************************************************************************/
   9
  10 package org.splat.util;
  11
  12 import net.sf.beanlib.provider.BeanTransformer;
  13 import net.sf.beanlib.provider.replicator.BeanReplicator;
  14
  15 /**
  16  * Helper class for beans. This class supplies : - methods to copy bean to an other bean
  17  *
  18  * @author Maria KRUCHININA
  19  *
  20  */
  21 public final class BeanHelper {
  22
  23         /**
  24          * private constructor to make it abstract.
  25          */
  26         private BeanHelper() {
  27                 super();
  28         }
  29
  30         /**
  31          * copy a bean to a bean.
  32          *
  33          * @param <T>
  34          *            the original type
  35          * @param <D>
  36          *            the target type
  37          * @param from
  38          *            the original bean
  39          * @param clazz
  40          *            the destination class
  41          * @return an instance of the destination class
  42          */
  43         public static <T, D> D copyBean(final T from, final Class<D> clazz) {
  44                 D result;
  45
  46                 if (from == null) {
  47                         result = null;
  48                 } else {
  49                         BeanTransformer bt = new BeanTransformer(
  50                                         new TimestampTransformerFactory(),
  51                                         new DTOTransformerFactory());
  52                         // Don't check parameter types of getters and setters.
  53                         // Find them just by property name.
  54                         bt.initDetailedPropertyFilter(null);
  55
  56                         BeanReplicator bp = new BeanReplicator(bt);
  57                         result = bp.replicateBean(from, clazz);
  58                 }
  59                 return result;
  60         }
  61
  62 }