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Java Source Code / Java Documentation » J2EE » webwork 2.2.6 » com.opensymphony.webwork.interceptor 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   com.opensymphony.xwork.interceptor.AroundInterceptor
      com.opensymphony.webwork.interceptor.SessionInvalidationInterceptor

SessionInvalidationInterceptor
public class SessionInvalidationInterceptor extends AroundInterceptor (Code)
This interceptor invalidates http session based on the type of operation it is in. There's three type of operations:-
  • NextRequest - This causes the interceptor to invalidate the session in the next comming request where this interceptor is present in the interceptor stack. This interceptor mark this in the http session using a key determined by the key attribute of this interceptor
  • Now - This causes this interceptor to invalidate the session at the end of this interceptor's interception
  • NoOperation - This causes this interceptor to basically do nothing. It is here such that users could have this interceptor in their default stack and still allows it to do nothing
No intended extension points.
  • type - indicate the operation of this interceptor, valid values are 'NextRequest', 'Now' and 'NoOperation' See description above for more information.
  • key - this is the http session key used by the interceptor to mark the situation whereby the next comming request with this interceptor present in the interception stack, it will invalidate the http session.
 
 <action name="logout" ... >
 <intereptor-ref name="sessionInvalidate">
 <param name="type">Now</param>
 </interceptor-ref>
 ....
 </action>
 or 
 <action name="sayByeByeNextRequestWillHaveSessionLost" ... >
 <interceptor-ref name="sessionInvalidate">
 <param name="type"<NextRequest</param>
 </interceptor-ref>
 ....
 </action>
 <!-- This is the next request, "sessionInvalidate"  will find the marker inserted
 by the action above and invalidate the session -->
 <!-- The type="NoOperation" is just there so that the type is a valid one, and 
 we don't get a warning log meessage -->        
 <action name="nextRequest" ... >
 <interceptor-ref name="sessionInvalidate">
 <param name="type">NoOperation</param>
 </interceptor-ref>
 ...
 </action>
 
 

author:
   tmjee
version:
   $Date: 2006-12-11 13:45:46 +0100 (Mon, 11 Dec 2006) $ $Id: SessionInvalidationInterceptor.java 2757 2006-12-11 12:45:46Z tmjee $


Field Summary
public static  StringNEXT_REQUEST
    
public static  StringNOW
    
public static  StringNO_OPERATION
    
protected  Stringkey
    
protected  Stringtype
    


Method Summary
protected  voidafter(ActionInvocation invocation, String result)
     Decides if this interceptor should invalidate the session or mark the session to be invalidated upon the next request that contains this interceptor in the stack.
protected  voidbefore(ActionInvocation invocation)
     Invalidate this session if it is marked to be invalidated from previous request.
public  StringgetKey()
     Get the session key, of which this interceptor will use to mark if the next request with this interceptor in the stack should have the session invalidated.
public  StringgetType()
     Returns the operation type.
public  voidsetKey(String key)
     Set the session key, of which this interceptor will use to mark if the next request with this interceptor in the stack should have the session invalidated.
public  voidsetType(String type)
     Set the operation type, either 'NextRequest', 'Now', or 'NoOperation' (default).

Field Detail
NEXT_REQUEST
public static String NEXT_REQUEST(Code)



NOW
public static String NOW(Code)



NO_OPERATION
public static String NO_OPERATION(Code)



key
protected String key(Code)



type
protected String type(Code)





Method Detail
after
protected void after(ActionInvocation invocation, String result) throws Exception(Code)
Decides if this interceptor should invalidate the session or mark the session to be invalidated upon the next request that contains this interceptor in the stack.
See Also:   com.opensymphony.xwork.interceptor.AroundInterceptor.after(com.opensymphony.xwork.ActionInvocationjava.lang.String)



before
protected void before(ActionInvocation invocation) throws Exception(Code)
Invalidate this session if it is marked to be invalidated from previous request.
See Also:   com.opensymphony.xwork.interceptor.AroundInterceptor.before(com.opensymphony.xwork.ActionInvocation)



getKey
public String getKey()(Code)
Get the session key, of which this interceptor will use to mark if the next request with this interceptor in the stack should have the session invalidated. String



getType
public String getType()(Code)
Returns the operation type. String



setKey
public void setKey(String key)(Code)
Set the session key, of which this interceptor will use to mark if the next request with this interceptor in the stack should have the session invalidated.
Parameters:
  key -



setType
public void setType(String type)(Code)
Set the operation type, either 'NextRequest', 'Now', or 'NoOperation' (default).
Parameters:
  key -



Fields inherited from com.opensymphony.xwork.interceptor.AroundInterceptor
protected transient Log log(Code)(Java Doc)

Methods inherited from com.opensymphony.xwork.interceptor.AroundInterceptor
abstract protected void after(ActionInvocation dispatcher, String result) throws Exception(Code)(Java Doc)
abstract protected void before(ActionInvocation invocation) throws Exception(Code)(Java Doc)
public void destroy()(Code)(Java Doc)
public void init()(Code)(Java Doc)
public String intercept(ActionInvocation invocation) throws Exception(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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