MessageContext (JBoss J2EE API) - JBoss 4.0.1 sp1 j2ee API Documentation 英文版文档

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javax.xml.rpc.handler
Interface MessageContext

All Known Subinterfaces:: SOAPMessageContext

public interface MessageContext

This interface abstracts the message context that is processed by a handler in the handle method. The MessageContext interface provides methods to manage a property set. MessageContext properties enable handlers in a handler chain to share processing related state.

Version:: $Revision: 1.3 $
Author:: Scott.Stark@jboss.org, Rahul Sharma, Roberto Chinnici (javadoc)

Method Summary

boolean containsProperty(String name)
          Returns true if the MessageContext contains a property with the specified name.

Object getProperty(String name)
          Gets the value of a specific property from the MessageContext

Iterator getPropertyNames()
          Returns an Iterator view of the names of the properties in this MessageContext

void removeProperty(String name)
          Removes a property (name-value pair) from the MessageContext

void setProperty(String name, Object value)
          Sets the name and value of a property associated with the MessageContext.

Method Detail

containsProperty

public boolean containsProperty(String name)

Returns true if the MessageContext contains a property with the specified name.

Parameters:: name - Name of the property whose presense is to be tested
Returns:: Returns true if the MessageContext contains the property; otherwise false

getProperty

public Object getProperty(String name)

Gets the value of a specific property from the MessageContext

Parameters:: name - Name of the property whose value is to be retrieved
Returns:: Value of the property
Throws:: IllegalArgumentException - if an illegal property name is specified

getPropertyNames

public Iterator getPropertyNames()

Returns an Iterator view of the names of the properties in this MessageContext

Returns:: Iterator for the property names

removeProperty

public void removeProperty(String name)

Removes a property (name-value pair) from the MessageContext

Parameters:: name - Name of the property to be removed
Throws:: IllegalArgumentException - if an illegal property name is specified

setProperty

public void setProperty(String name,
                        Object value)

Sets the name and value of a property associated with the MessageContext. If the MessageContext contains a value of the same property, the old value is replaced.

Parameters:: name - Name of the property associated with the MessageContext; value - Value of the property
Throws:: IllegalArgumentException - If some aspect of the property is prevents it from being stored in the context; UnsupportedOperationException - If this method is not supported.