Workspace/Siman-Common/src/org/splat/util/TimestampTransformer.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 java.sql.Timestamp;
  13 import java.util.Map;
  14
  15 import net.sf.beanlib.PropertyInfo;
  16 import net.sf.beanlib.spi.BeanTransformerSpi;
  17 import net.sf.beanlib.spi.CustomBeanTransformerSpi;
  18
  19 /**
  20  * the timsetamp transformer used by BeanHelper.
  21  * @author Maria KRUCHININA
  22  *
  23  */
  24 public class TimestampTransformer implements CustomBeanTransformerSpi{
  25
  26         /**
  27          * the bean transformer.
  28          */
  29         private final BeanTransformerSpi _beanTransformer;
  30
  31         /**
  32          * Constructor.
  33          * @param beanTransformer the bean transformer
  34          */
  35         public TimestampTransformer(final BeanTransformerSpi beanTransformer)
  36         {
  37                 _beanTransformer = beanTransformer;
  38         }
  39
  40         /**
  41          *
  42          * {@inheritDoc}
  43          * @see net.sf.beanlib.spi.CustomBeanTransformerSpi#isTransformable(java.lang.Object, java.lang.Class, net.sf.beanlib.PropertyInfo)
  44          */
  45         public <T> boolean isTransformable(final Object from, final Class<T> toClass, final net.sf.beanlib.PropertyInfo info)
  46         {
  47                 return ((from instanceof Timestamp) && (toClass == Timestamp.class));
  48         }
  49
  50         /**
  51          *
  52          * {@inheritDoc}
  53          * @see net.sf.beanlib.spi.Transformable#transform(java.lang.Object, java.lang.Class, net.sf.beanlib.PropertyInfo)
  54          */
  55         @SuppressWarnings("unchecked")
  56         public <T> T transform(final Object in, final Class<T> toClass, final PropertyInfo info)
  57         {
  58                 Map<Object,Object> cloneMap = _beanTransformer.getClonedMap();
  59                 Object clone = cloneMap.get(in);
  60
  61                 if (clone != null)
  62                 {
  63                         return (T)clone;
  64                 }
  65
  66                 Timestamp date = (Timestamp)in;
  67                 clone = new Timestamp(date.getTime());
  68
  69                 ((Timestamp)clone).setNanos(date.getNanos());
  70                 cloneMap.put(in, clone);
  71
  72                 return (T)clone;
  73         }
  74 }