ExternProxyInteger


1   package com.quadcap.sql.io;
2   
3   /* Copyright 1999 - 2003 Quadcap Software.  All rights reserved.
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5    * This software is distributed under the Quadcap Free Software License.
6    * This software may be used or modified for any purpose, personal or
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8    * redistribution of larger works derived from, or works which bundle
9    * this software requires a "Commercial Redistribution License"; see
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39   */
40  
41  import java.io.IOException  ;
42  import java.io.ObjectInput  ;
43  import java.io.ObjectOutput  ;
44  
45  /**
46   * ExternalizeProxy for integers.
47   *
48   * @author Stan Bailes
49   */
50  public class ExternProxyInteger implements ExternalizeProxy {
51      public Object   readObject(ObjectInput   in) throws IOException   {
52      int b = in.read();
53      if (b == 0) return null;
54      return new Integer  (in.readInt());
55      }
56      
57      public void writeObject(ObjectOutput   out, Object   object)
58      throws IOException  
59      {
60      if (object == null) {
61          out.write(0);
62      } else {
63          out.write(1);
64          Number   i = (Number  )object;
65          out.writeInt(i.intValue());
66      }
67      }
68  }
69
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