bundles/org.simantics.databoard/src/org/simantics/databoard/channel/ServiceException.java

   1 package org.simantics.databoard.channel;\r
   2 \r
   3 import org.simantics.databoard.adapter.AdaptException;\r
   4 import org.simantics.databoard.binding.Binding;\r
   5 import org.simantics.databoard.binding.error.BindingException;\r
   6 import org.simantics.databoard.binding.mutable.Variant;\r
   7 \r
   8 /**\r
   9  * Service exception is a problem in processing the service request.\r
  10  * It is produces by Service Handler. Service Exception is not a communication \r
  11  * error.   \r
  12  *\r
  13  * @author Toni Kalajainen <toni.kalajainen@iki.fi>\r
  14  */\r
  15 public abstract class ServiceException extends Exception {\r
  16 \r
  17         private static final long serialVersionUID = 1L;\r
  18 \r
  19         Variant error;\r
  20         \r
  21         public ServiceException(Variant error) {\r
  22                 this.error = error;\r
  23         }\r
  24         \r
  25         public ServiceException(Binding binding, Object value) {\r
  26                 error = new Variant(binding, value);\r
  27         }\r
  28         \r
  29         public Variant getError() {\r
  30                 return error;\r
  31         }\r
  32         \r
  33         public Object getErrorType() {\r
  34                 return error.type();\r
  35         }\r
  36         \r
  37         public Object getError(Binding binding) throws BindingException {\r
  38                 try {\r
  39                         return error.getValue(binding);\r
  40                 } catch (AdaptException e) {\r
  41                         if (e.getCause()!=null && e.getCause() instanceof BindingException) throw (BindingException) e.getCause();\r
  42                         throw new BindingException(e);\r
  43                 }\r
  44         }\r
  45         \r
  46 }\r