CommandObject (Java EE 5 SDK)

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javax.activation Interface CommandObject

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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.

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方法摘要
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.

 

方法详细信息

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. 注意: it is acceptable for the caller to pass null as the value for DataHandler.

参数:

verb - The Command Verb this object refers to.

dh - The DataHandler.

抛出异常:

IOException

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概述  软件包   类  树  已过时  索引  帮助		Java EE 5 SDK 深圳电信培训中心.徐海蛟老师.
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