package org.lsst.ccs.bus;
   
   import java.io.ByteArrayInputStream;
   import java.io.ByteArrayOutputStream;
   import java.io.IOException;
   import java.io.NotSerializableException;
   import java.io.ObjectInputStream;
   import java.io.ObjectOutputStream;
   import java.io.Serializable;
  
  /**
   * a Simplified Marshalled Object.
   * @author bamade
   */
  // Date: 05/04/13
  
  public class DataCapsule implements Serializable {
  
      private static final long serialVersionUID = -2212216649618803537L;
      private Object data ;
  
      public DataCapsule(Serializable data)  {
          // now we serialize
          ByteArrayOutputStream bos = new ByteArrayOutputStream();
          try {
              ObjectOutputStream oos = new ObjectOutputStream(bos);
              oos.writeObject(data);
              oos.flush();
              this.data = bos.toByteArray();
              oos.close();
          } catch (NotSerializableException e) {
              throw new AssertionError("crystallization in DataCapsule failed: " + e);
          } catch (IOException e) {
              throw new AssertionError("crystallization in DataCapsule failed: " + data);
          }
      }
  
  
      public Object getData() throws ClassNotFoundException {
          Object res = null ;
          ByteArrayInputStream bis = new ByteArrayInputStream((byte[])data) ;
          try {
              ObjectInputStream ois = new ObjectInputStream(bis) ;
              res = ois.readObject() ;
              ois.close();
          } catch (IOException e) {
              throw new AssertionError("unfreezing in DataCapsule failed: " + e);
          } catch (ClassNotFoundException e) {
               throw e ;
          }
          return res ;
      }
  
      public String toString() {
          return "crystallized_object" ;
      }
  
  
  }