CommandObject


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the "License").  You may not use this file except 
5    * in compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * glassfish/bootstrap/legal/CDDLv1.0.txt or 
9    * https://glassfish.dev.java.net/public/CDDLv1.0.html. 
10   * See the License for the specific language governing 
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12   * 
13   * When distributing Covered Code, include this CDDL 
14   * HEADER in each file and include the License file at 
15   * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable, 
16   * add the following below this CDDL HEADER, with the 
17   * fields enclosed by brackets "[]" replaced with your 
18   * own identifying information: Portions Copyright [yyyy] 
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20   */
21  
22  /*
23   * @(#)CommandObject.java   1.9 05/11/16
24   *
25   * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
26   */
27  
28  package javax.activation;
29  
30  import java.io.IOException  ;
31  
32  /**
33   * JavaBeans components that are Activation Framework aware implement
34   * this interface to find out which command verb they're being asked
35   * to perform, and to obtain the DataHandler representing the
36   * data they should operate on.  JavaBeans that don't implement
37   * this interface may be used as well.  Such commands may obtain
38   * the data using the Externalizable interface, or using an
39   * application-specific method.<p>
40   */
41  public interface CommandObject {
42  
43      /**
44       * Initialize the Command with the verb it is requested to handle
45       * and the DataHandler that describes the data it will
46       * operate on. <b>NOTE:</b> it is acceptable for the caller
47       * to pass <i>null</i> as the value for <code>DataHandler</code>.
48       *
49       * @param verb The Command Verb this object refers to.
50       * @param dh The DataHandler.
51       */
52      public void setCommandContext(String   verb, DataHandler   dh)
53                          throws IOException  ;
54  }
55
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