AttributeResolver - JBOSS Portal 2.6 API 英文版文档

Overview

Package

Class

Tree

Deprecated

Index

Help

PREV CLASS NEXT CLASS

FRAMES NO FRAMES

SUMMARY: NESTED | FIELD | CONSTR | METHOD

DETAIL: FIELD | CONSTR | METHOD

org.jboss.portal.common.invocation
Interface AttributeResolver

All Known Implementing Classes:: AbstractInvocationContextTestCase.MapResolver, AbstractSessionAttributeResolver, EmptyAttributeResolver, MapAttributeResolver, RequestAttributeResolver

public interface AttributeResolver

An attribute resolver.

Version:: $Revision: 1.1 $
Author:: Julien Viet

Method Summary

java.lang.Object getAttribute(java.lang.Object attrKey)
          Return an attribute from this resolver.

java.util.Set getKeys()
          Returns the set of keys of the attributes bound in that resolver.

void setAttribute(java.lang.Object attrKey, java.lang.Object attrValue)
          Update an attribute value on this resolve.

Method Detail

getKeys

public java.util.Set getKeys()

Returns the set of keys of the attributes bound in that resolver.

Returns:: a set of keys

getAttribute

public java.lang.Object getAttribute(java.lang.Object attrKey)
                              throws java.lang.IllegalArgumentException

Return an attribute from this resolver.

Parameters:: attrKey -
Returns:: the attribute value or null if it is not found
Throws:: java.lang.IllegalArgumentException - if the attribute key is not valid

setAttribute

public void setAttribute(java.lang.Object attrKey,
                         java.lang.Object attrValue)
                  throws java.lang.IllegalArgumentException

Update an attribute value on this resolve. If the attribute value is null the resolver must treat the operation as a removal of the attribute.

Parameters:: attrKey -; attrValue - the attribute value
Throws:: java.lang.IllegalArgumentException - if the attribute key is not valid