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CommandObject (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档


Java™ Platform
Standard Ed. 6

javax.activation
Interface CommandObject


public interface CommandObject

JavaBeans components that are Activation Framework aware implement this interface to find out which command verb they're being asked to perform, and to obtain the DataHandler representing the data they should operate on. JavaBeans that don't implement this interface may be used as well. Such commands may obtain the data using the Externalizable interface, or using an application-specific method.

Since:
1.6

Method Summary
 void setCommandContext(String verb, DataHandler dh)
          Initialize the Command with the verb it is requested to handle and the DataHandler that describes the data it will operate on.
 

Method Detail

setCommandContext

void setCommandContext(String verb,
                       DataHandler dh)
                       throws IOException
Initialize the Command with the verb it is requested to handle and the DataHandler that describes the data it will operate on. NOTE: it is acceptable for the caller to pass null as the value for DataHandler.

Parameters:
verb - The Command Verb this object refers to.
dh - The DataHandler.
Throws:
IOException

Java™ Platform
Standard Ed. 6

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2006 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.