Hi, I have been posting my problem and work through for the past 5 days and not even a single mail stating this is good or bad. so I am again banging with my implemented code. This is just a positive approach to improve struts in a more comprehensive framework. I haven't done much in this code, it follows a standard approach as like ActionServlet..
Files: explanation ==================================== ActionHook Standard Interface to trigger Hooked methods ActionHookMapping similar tool like ActionMapping ActionHookServlet Child class for ActionServlet which does hooking to a doPost and doGet ServiceThread If the hook needs to be implemented in threaded environment hook-struts-config.xml configuration XML for action Hooks ChannelHook & WebTrendsHook These are just a sample implementation tested class for this rule. Note: ====== Some of the behaviors can be implemented through tags also. But my idea is not that. The Subjective Goal is Doing an asynchronous job for a defined request. Let me know if there is any problem in that. Things to be done. ================= 1. Authentication -- can be used a standard authentication 2. Parameter passing through the hook-struts-config.xml and usuage 3. Implement more comprehensive ServiceThread Class rather than ordinary thread reaper class 4. Implement rich Cache behviour to this. Dis-Advantage: ============= 1. Depends upon the context and usauge Thread Hook might give some problem Please find the war file for further testing ( This was tested under resin environment ). Hope Ted , criag or other senior person in apache foundation spend some time to replay this mail both positive or negative. if it is negative i can stop my spaming and if it is positive think about further. Still waiting for the replay...................................................................... Tnx and Regards sadhas -----Original Message----- From: J, Sadhasivam (Cognizant) Sent: Friday, June 06, 2003 7:09 PM To: [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Subject: Problem Statement for some standard e-Biz requirmentsf Hi, Problem Statement ================= As per my understanding towards the struts that it doesn't have the Trigger kind of mechanism to solve some of the typical e-Biz scnerios or standard requirments for example 1. Log all the URIs with some custom format and give to some other serivces This has to happen irrespective of regular flow. 2. Standard channel behaviour in portal. Like Yahoo shows weather/ads etc to a User or User group. etc. Such kind of requirement is very common and not been taken in struts i belive. I have come up with an approach to cater these problems. I did a proof of concept also and i would like to know is its really a good approach or is there any othere standard way to implement this in Struts. Hope apache/open source foundation people spent some time to give me an indication whether this approach is correct or not. Approach Taken ============== Shall call this phenomenon as Hooking Step 0: Write a Standard Interface to perform this Hooking ====== public interface ActionHook { public void prePerform( HttpServletRequest request ); } Step 1: addition of XML Nodes in struts-config.xml ====== Justification ============= Since these problems are pertainting to the problem space and it should be configured at the runtime to pick up these data. struts-config.xml <action-hooks> <action-hook name="org.apache.hook.ActionHook" servlet="action"/> <action-hook name="org.apache.hook.ChannelHook" servlet="action"/> </action-hooks> Step 2: Load ActionHook Object through digester. ====== Justification ============= Configured classes are loaded by HookRuleBase and HookRule classes as a standard way from apache. Step 3: Changes in the ActionServlet to process ActionHooks ====== Justification ============= Load the ActionHooks Object and process the ActionHooks before even start the form processing. processHook(ActionMapping mapping, HttpServletRequest request ) { Iterator keySet = hookMap.keySet().iterator(); while( keySet.next() ) { Object key = keySet.get( key ); ActionHook hook = ( ActionHook )hookMap.get( key ); hook.prePerform( request) ; } } Step 4: Write a custom ActionHook object to perform this. ====== public class ChannelHook implements ActionHook { public void prePerform( ActionForward forward, HttpServletRequest request, HttpServletResponse response ) { // TO DO // Required Busisess Logic and Set the Object Object in the mentioned Scope } } Tnx for the patient reading. About to hear more things from you guys. regards sadhas -----Original Message----- From: J, Sadhasivam (Cognizant) Sent: Wednesday, June 04, 2003 10:25 PM To: '[EMAIL PROTECTED]' Cc: '[EMAIL PROTECTED]'; '[EMAIL PROTECTED]' Subject: RE: Struts redirection problem The doubt is can implement portal channel kind of behivour where in channels are dropped in my dynamic contents and in the content area requalr CRUD operation will be followed. -----Original Message----- From: J, Sadhasivam (Cognizant) Sent: Wednesday, June 04, 2003 9:22 PM To: 'Struts Users Mailing List'; '[EMAIL PROTECTED]' Subject: RE: Struts redirection problem in the problem statement i have mentioned that we are doing that but its not the right way to do as per my assumption. because do the formvalidation if its invalid instead of going to the action.perform redirect to jsp directly is the struts thumb rule and design. Ideally is it good to over look that and hypotheically if the user knows that action then get the view without doing form validation.. i don't think struts will allow this even thought its a good work around. -----Original Message----- From: Andrew Hill [mailto:[EMAIL PROTECTED] Sent: Wednesday, June 04, 2003 9:13 PM To: Struts Users Mailing List Subject: RE: Struts redirection problem Make the input attribute in the mapping point at the action (the one it goes through before forwarding to that view if its different). -----Original Message----- From: J, Sadhasivam (Cognizant) [mailto:[EMAIL PROTECTED] Sent: Wednesday, 4 June 2003 23:38 To: [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Subject: Struts redirection problem Hi, We are doing a portal in which we have a News Channel in the pages across the site. assume its just a corner html display area in the Site which frameless site. with respect to site updation and new arrivals this content should be picked and display the top 10 records. For better control i have wrote a wrapper to the struts action in which perform method is implemented by having my own abstract method. for more control i have created postPerform and prePerform event methods which gets executed before perform. Problem statement: Since news item should be executed each and every page. i have hooked the News Action to postPerform or prePerform and set the form data in request scope. The problem is when there is form validation and input attribute is jsp the control won;t go to the action level and bombs. right now we did most of our validation are done in form with input attirbute point to action element which is wrong Is there any way to implement a channel kind of portal behivour in struts ?? Thx in advance sadhasivam.j --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
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