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package javax.security.auth.message;

import java.util.Map;

/**
 * A message processing runtime uses this interface to pass messages and
 * message processing state to authentication contexts for processing by 
 * authentication modules.
 * 

* This interface encapsulates a request message object and * a response message object for a message exchange. * This interface may also be used to associate additional context * in the form of key/value pairs, with the encapsulated messages. *

* Every implementation of this interface should provide a zero argument * constructor, and a constructor which takes a single Map argument. * Additional constructors may also be provided. *

* * @version %I%, %G% * @see Map */ public interface MessageInfo { /** * Get the request message object from this MessageInfo. * * @return An object representing the request message, * or null if no request message is set within the MessageInfo. */ public Object getRequestMessage(); /** * Get the response message object from this MessageInfo. * * @return an object representing the response message, * or null if no response message is set within the MessageInfo. */ public Object getResponseMessage(); /** * Set the request message object in this MessageInfo. * @param request An object representing the request message. */ public void setRequestMessage(Object request); /** * Set the response message object in this MessageInfo. * @param response An object representing the response message. */ public void setResponseMessage(Object response); /** * Get (a reference to) the Map object of this MessageInfo. * Operations performed on the acquired Map must effect the * Map within the MessageInfo. * * @return the Map object of this MessageInfo. * This method never returns null. If a Map has not * been associated with the MessageInfo, this method * instantiates a Map, associates it with this MessageInfo, * and then returns it. */ public Map getMap(); }





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