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how to display key, value which is stored in session object in a JSP using struts

Posted on 2004-04-15
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Last Modified: 2011-09-20
HI,

  I am passing key, value pair with session object.
I wanted to display this value in my JSP using struts.
Which tag of struts i suppose to use.

I appreciate ur help!

Thanks
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Question by:mvkraju
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4 Comments
 
LVL 7

Accepted Solution

by:
searlas earned 80 total points
ID: 10832684
bean:write

Let's suppose your key value is an instance of Map.Entry...

Presumably, somewhere you have:
session.setAttribute("mypair", mapEntry);

Then, in your JSP
<bean:write name="mypair" property="value" scope="session"/>

(scope="session" is optional...)
http://jakarta.apache.org/struts/userGuide/struts-bean.html#write
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Author Comment

by:mvkraju
ID: 10832764
here you assigning key to the name attribute. How about property?
What are we assigning it for?
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LVL 7

Expert Comment

by:searlas
ID: 10832829
You have your name/values in an object,  I'm using the class Map.Entry as an example, this has two relevant methods, getKey() which returns the key, and getValue() returning the value.

name - the name the name-value-pair object is stored as under the session
property - the method to call on the name-value-pair object to retrieve the value (minus 'get', and always start lower case)

So,
<bean:write name="mypair" property="value" scope="session"/>

Is effectively the same as saying:
out.write( ((Map.Entry) session.getAttribute("mypair")).getValue() );


0
 

Author Comment

by:mvkraju
ID: 10832892
Excellent!!
It's working fine.
if worked with out property attribute also
<bean:write name="mypair" scope="session"/>

Thanks for ur explanation.
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