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How to pass parameterized String values to url rewrite filter?
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sirisha  
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 More options Jun 25, 3:05 am
From: sirisha <sirisha.siri....@gmail.com>
Date: Thu, 25 Jun 2009 00:05:15 -0700 (PDT)
Local: Thurs, Jun 25 2009 3:05 am
Subject: How to pass parameterized String values to url rewrite filter?
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How to pass parameterized String values to url rewrite filter?

I will give you a scenario :

In jsp I have  an Hash map having

blogMap1.put(StringConstants.TOTAL_RECORDS,fm.getTotalRecords());
blogMap1.put(StringConstants.PAGE_NUM,fm.getPageNum());
blogMap1.put(StringConstants.QUERY_ID,fm.getQueryId());

pageContext.setAttribute("parameters1", blogMap1);

and Im using this map in <html:link> as

<html:link forward="<%= ForwardConstants.BLOG_EDIT_ACTION %>"
name="parameters1" scope="page" styleClass="edit_link">Edit</
html:link>

here i need a url having parameters in sequence as I have put in Hash
map.(but in my case these values are swaping for every time,this is
because of Hash map if I am correct).
I also tried with Linked Hash Map , but it didn't work.

At last what  I need is , The parameters taken by the url rewrite
filter should be in the order which I have specified in hash map or
linked hash map.(the order should not be changed).

can anyone please help in  resolving this issue...............


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Avlesh Singh  
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 More options Jun 25, 6:38 am
From: Avlesh Singh <avl...@gmail.com>
Date: Thu, 25 Jun 2009 16:08:14 +0530
Local: Thurs, Jun 25 2009 6:38 am
Subject: Re: How to pass parameterized String values to url rewrite filter?
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First of all, I am not sure why this is a url-rewrite question?

Second, if a LinkedHashMap does not work for you (in preserving order of the
parameters in the URL), ask this question on the Struts user mailing list. I
tried your use case, with a HashMap and a LinkedHashMap on my box (with
struts 1.2.7) and it just works fine (and as expected) for me.

Third, your statement

The parameters taken by the url rewrite filter should be in the order which

> I have specified in hash map or linked hash map

did not make sense to me. Maybe, I am missing something.

Cheers
Avlesh

On Thu, Jun 25, 2009 at 12:35 PM, sirisha <sirisha.siri....@gmail.com>wrote:


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Wim De Smet  
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 More options Jun 26, 4:28 am
From: Wim De Smet <krom...@gmail.com>
Date: Fri, 26 Jun 2009 10:28:04 +0200
Local: Fri, Jun 26 2009 4:28 am
Subject: Re: How to pass parameterized String values to url rewrite filter?
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I _think_ it might be the following problem: when you write a regexp
based rule query parameters tend to be really hard to parse as they
can shift around. Doing so in the rewrite rule is really not
recommended.

i.e.:
blah/query?var1=foo&var2=bar
blah/query?var2=bar&var1=foo
Do the same thing, but right now I don't really see a straightforward
way to get a working rewrite rule that parses both. There's probably
some regex voodoo you can do or just make two rules, but then the
amount of rules you need would be, er, strongly rising. (binomial?
haven't had much coffee yet today)

regards,
Wim


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