studs-user — Discussions on the use of studs, application development and design.

Re: [studs-user] Is studs dead?

[Dan A. <dan...@gm...>]

Not to sound callous, but I have essentially moved on. Developing Studs
played a key role in my understanding of the Java Servlet API and helped me
make the transition into Java EE. My viewpoint is that there are plenty of
solid frameworks in Java EE (and even Ruby and PHP) to use that continuing
to develop Studs just doesn't make a lot of sense for me.

With that said, there are plenty of satisified Studs developers. I will do
what I can to turn the project over to those interested in hacking on it.

-Dan

On Tue, Nov 6, 2007 at 5:36 AM, Juan Carlos Rey Anaya <jc...@um...> wrote:

> Hello, veery long without news about studs.
> Is studs in dead center?
>
> Dan, very busy I suppose :-)
> Cheers
>
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-- 
Dan Allen
Senior Software Engineer, Red Hat | Author of Seam in Action

http://mojavelinux.com
http://mojavelinux.com/seaminaction

NOTE: While I make a strong effort to keep up with my email on a daily
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you feel that it did not reach my attention.

Re: [studs-user] <html:textarea>

[Dan A. <dan...@gm...>]

You just set the multiline attribute to true.

-Dan

On Tue, Nov 14, 2006 at 6:27 AM, Juan Carlos Rey Anaya <jc...@um...> wrote:

> I miss this tag working.
> I have revised WEB-INF/tld/studs-html.tld, a definition for textarea is
> not included. Now that I have downloaded studs repository I have given a
> glimpse over studs/trunk/src/studs/taglib/html and confirm that it is
> not a version matter. As in studs 0.9.8, there is no definition for
> textarea.
>
> The thing that confuse me is because this tag is documented in Studs
> HTML taglib documentation.
>
> Excuse me if it is so trivial that I have not seen it ;-)
> Cheers
>
> -------------------------------------------------------------------------
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>



-- 
Dan Allen
Senior Software Engineer, Red Hat | Author of Seam in Action

http://mojavelinux.com
http://mojavelinux.com/seaminaction

NOTE: While I make a strong effort to keep up with my email on a daily
basis, personal or other work matters can sometimes keep me away
from my email. If you contact me, but don't hear back for more than a week,
it is very likely that I am excessively backlogged or the message was
caught in the spam filters.  Please don't hesitate to resend a message if
you feel that it did not reach my attention.

[studs-user] New to Studs

[<cl...@ya...>]

Hey all,

I understand this place is kinda quiet. :)

I'm a Java Struts programmer, and I have some experience with PHP...So
recently I decided to give Studs a go.

So far, I really like it. It's got some quirks, but for the most part
it seems like a pretty solid package. One of these days when I get some
of that "spare time" stuff I keep hearing about, I hope to be able to
contribute to development.

However...I'm running into an issue, and I'm not entirely sure where
it's coming from.

In the validate() method--er, function--of my ActionForm, whenever it
returns errors Studs is trying to send it to the default forward
specified in the <global-forwards> section of my struts-config.xml
file, rather than the <forward> specified in the "input" attribute.
Here's the relevant pieces pf my struts-config.xml:

<global-forwards>
	<!-- Default forward to "welcome" action -->
	<forward name="welcome" path="/Main.do"/>
</global-forwards>

....

<action
    path="/ChangePassword"
    type="action.ChangePasswordAction"
    name="changePasswordActionForm"
    scope="request"
    validate="true"
    input="input">
    	<forward name="input" path="/pages/changePassword.psp" />
    	<forward name="success" path="/pages/changePasswordSuccess.psp" />
   	<forward name="invalidSession" path="/pages/invalidSession.psp" />
</action>

When validate() returns one or more ActionMessages, it's going to
Main.do rather than the /pages/changePassword.psp script.

I can't figure out why, and it's driving me slightly mad.

Any pointers?

Thanks,

Adam

[studs-user] Is studs dead?

[Juan C. R. A. <jc...@um...>]

Hello, veery long without news about studs.
Is studs in dead center?

Dan, very busy I suppose :-)
Cheers

[studs-user] Studs executes controllers twice?

[Matt S. <mat...@gm...>]

I have been working for the past few months developing a social
networking application in STUDs. I have noticed as far back as I can
remember that my controllers have been executed twice any time I visit a
page.

I have a wrapper class 'UserAction' that contains the 'execute' method
wherein I setup my controllers and log some events. This, then calls the
executeActually method, which is overloaded in each of my controllers. I
log this event and here is an example of what happens when you visit my
"/home.action":

[ERROR] 21 Aug 2007 00:53:40 geekster.action.user.UserAction -
============================== Entering execute @2007-08-21 00:53:40
==============================
[ERROR] 21 Aug 2007 00:53:41 geekster.action.user.UserAction -
============================== Leaving execute took 0.001 seconds,
rendering view @2007-08-21 00:53:41 ==============================
[ERROR] 21 Aug 2007 00:53:45 geekster.action.user.UserAction -
============================== Entering execute @2007-08-21 00:53:45
==============================
[ERROR] 21 Aug 2007 00:53:46 geekster.action.user.UserAction -
============================== Leaving execute took 0.001 seconds,
rendering view @2007-08-21 00:53:46 ==============================

Until now this has been an annoyance, but not a show stopper. However,
recently I created a controller that needs to only be executed once and
I cannot figure out what is causing this behavior.

Has anyone run into this? Is there a solution? If not, any ideas where I
might look to figure it out.

thanks,

-- 
Matt Snider
http://www.mattsnider.com
http://www.mint.com
925.998.2004

Re: [studs-user] Objects in application scope

[Juan C. R. A. <jc...@um...>]

Hello, continuing with the problem I already commented to this list before.
I have had some time to give a in deeper glance and this is what I have
found.

The point is when I want to assign a 'skin' attribute in application scope,
so later actions can use it to select the appropiate style sheet and images.

(This happens in http://www.centrosierranet.com)
Main action have several includes throught template:insert.psp. One of them
is a .psp which contains partial content:
...
...
...
<c:set var="ctx"><html:rewrite page="/index.php"/></c:set>
<iframe scrolling="no" height="%40" width="%100" frameborder="0"
src="${ctx}/calendar.do?${qs_calendar}">
</iframe>
...
...
...

This code calls the action responsible of calculate what days to anchor and
of sending this information to the view, so the calendar can be 
displayed accordingly.

In this scenario, application scoped 'skin' variable disappear...

If this code is removed. Then 'skin' variable remains in application context
forever.

Curious, isn't it?
Juan Carlos

Re: [studs-user] Studs and LazyForms

[Earnie B. <ea...@us...>]

Quoting Newton Wagner <new...@gm...>:

>
> People here uses LazyForms for Struts.. but I did not found something
> like that for Studs... You know an active maillist or forum about
> Studs?
>

Studs is really just getting a following.  This is the active list.

Your idea sounds good to me but you'll need to do the implementation.  
Provide patches to the appropriate project patch tracker for review.  
The Struts implementation in Studs isn't complete so you may need to 
implement some core features.

Earnie

Re: [studs-user] Studs and LazyForms

[Juan C. R. A. <jc...@um...>]

Newton Wagner wrote:
> I think it's because doing that, I can use one class with two or more
> methods... an action called UserAction could have deleteUser() and
> addUser() methods.
> 
> It's the way that Java programmers works here. And we want to use
> Studs to use the same framework for both languages.
Uhmm yes it's a matter of taste ;-)

I have hit almost the same stone. One action must to behabiour itself 
depending
of the context in which it was called. How I resolved this?

In struts-config.xml
...
		<action path="/addUser"
			    type="action.UserAction">
			    <forward name="index" path="/pages/action.psp"/>
		</action>
		<action path="/deleteUser"
			    type="action.UserAction">
			    <forward name="index" path="/pages/action.psp"/>
		</action>
...

in classes/action/UserAction.php:
...
         if ($request->getServletPath() == '/deleteUser.do')
         {
		$this->deleteUser(...);
         }
         else
         {
	    $this->AddUser(...);
         }
...

At the end, listing the action in struts-config.xml is the same to map 
differents action with the
same handler. Because you must to explicity write concrete actions in a 
static file.

> People here uses LazyForms for Struts.. but I did not found something
> like that for Studs... You know an active maillist or forum about
I'm sorry. I don't know :-(
Juan Carlos

Re: [studs-user] Studs and LazyForms

[Newton W. <new...@gm...>]

I think it's because doing that, I can use one class with two or more
methods... an action called UserAction could have deleteUser() and
addUser() methods.

It's the way that Java programmers works here. And we want to use
Studs to use the same framework for both languages.


People here uses LazyForms for Struts.. but I did not found something
like that for Studs... You know an active maillist or forum about
Studs?

Thank you Juan.



2007/2/13, Juan Carlos Rey Anaya <jc...@um...>:
> Why do you want to do that?
> Which is the usefulness of doing that?
>
> For me as programmer is the same to call a function 'execute' or
> 'call_me'...
>
> Excuse my lack of foresightless...
> Juan Carlos
>
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>


-- 
Newton Wagner

Re: [studs-user] Studs and LazyForms

[Juan C. R. A. <jc...@um...>]

Why do you want to do that?
Which is the usefulness of doing that?

For me as programmer is the same to call a function 'execute' or 
'call_me'...

Excuse my lack of foresightless...
Juan Carlos

[studs-user] Studs and LazyForms

[Newton W. <new...@gm...>]

Hi,

I'm thinking about to use Studs in some apps here, but I want to know
if there is something like LazyForms for it, just like struts. :).

And I've done something I would like to share with you... using
Struts, we can call a another method instead of execute() by passing
the "parameter" attribute off the action tag. So, to do the same thing
with Studs, I've changed the processActionExecute() method in
RequestProcessor class:


function &processActionExecute(&$request, &$response, &$action,
&$form, &$mapping)
{
	$parameter = $mapping->getParameter() ? $mapping->getParameter() : 'execute';
	
	// try {
	$result =& $action->$parameter($mapping, $form, $request, $response);
	//$result =& $action->execute($mapping, $form, $request, $response);
...
}

What you guys think about this?

Sorry my bad english... I don't speak English as much as I want to. :).


-- 
Newton Wagner

Re: [studs-user] Objects in application scope

[Earnie B. <ea...@us...>]

Quoting Juan Carlos Rey Anaya <jc...@um...>:

>
> Is there anybody experiencing this before me?
>

The only thing I can guess is that you're running into different 
results with different models of By Ref handling in different versions 
of PHP.

Earnie

Re: [studs-user] Applications using Studs

[Juan C. R. A. <jc...@um...>]

Dan Allen wrote:
> I will indeed wait for it.  Until then, feel free to post any
> questions, comments or contributions to the list.
> 
>> Please, don't put it because the URL is transient. I will send you the
>> final URL.

The final URL (almost finished)
http://centrosierranet.com/

[studs-user] Objects in application scope

[Juan C. R. A. <jc...@um...>]

Hello, I am suspicious about this. I'm trying to save an attribute 
called 'skin' in application scope
So, the user can change the global appearance with a click.

But... I don't know why from time to time, this attribute 'vanishes off 
the face of the earth...'
The point is, that in different machines it yield different behabiour.

In the developer machine, a Debian Sarge, with a older php version and 
older apache, it remains for
a time before reset. In my personal machine with fedora core 6 and with 
newer php version I simply
can't put an attribute in Application scope.
And in the production machine, http://centrosierranet.com/ it behaviours 
the same as the older
Debian...

Is there anybody experiencing this before me?

Juan Carlos.

PD: In my personal machine, studs-basic application neither works...
http://joker.sci.uma.es/studs-basic/index.php/welcome.do

Re: [studs-user] About html:messages behaviour

[Earnie B. <ea...@us...>]

Quoting Juan Carlos Rey Anaya <jc...@um...>:

>
> in top of listado-usuarios.psp, so it becomes:
> ========================================
> <%@ page language="php" %>
> <%@ taglib uri="/WEB-INF/tld/studs-html.tld" %>
> <h1>Lista de Usuarios</h1>
> <html:messages id="message" message="true" scope="session">
> 	<div class="message"><c:out value="${message}"/></div>
> </html:messages>
> .
> .
> .
> it works like a charm. It is supposed to be included at the beginning of
> user-list.psp, isn't it?
> Is this normal? a bug? something else?

I'm not sure but it sounds normal to me.  Can you find Struts 
documentation that says otherwise?  I'm far from knowledgable of Struts.

Earnie Boyd
--
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[studs-user] About html:messages behaviour

[Juan C. R. A. <jc...@um...>]

Hello I've been experiencing some problems html:message related. I would 
like to show some
messages when an user's data are modified (yes, yes... I have read the 
golflog example and
I have done the same...).
Here is my stuff. Likewise I'm missing something trivial.

struts-config.xml
=================
<action path="/EditUserSubmit"
	    type="action.EditUserSubmitAction"
	    name="UserForm"
	    scope="request"
	    validate="true"
	    input="editor">
	    <forward name="denied" path="/pages/user-login.psp"/>
         <forward name="editor" path="/EditUser.do" />
	    <forward name="next" path="/ListUsers.do" redirect="true"/>
</action>

EditUserSubmitAction.php
========================
.
.
.
import('studs.action.ActionMessage');
import('studs.action.ActionMessages');
.
.
.
$messages =& new ActionMessages();
$messages->add(c('ActionMessages::GLOBAL_MESSAGE'),
                   new ActionMessage('user.edit.profile.success', 
$user->getLogin()));
$this->saveMessages($request, $messages, true);
return $mapping->findForward('next');

ListUsersAction.php same as golflog, and don't do nothing special.

user-list.php
=============
<%@ page language="php" %>
<%@ taglib uri="/WEB-INF/tld/phase-core.tld" %>
<%@ taglib uri="/WEB-INF/tld/studs-html.tld" %>
<%@ taglib uri="/WEB-INF/tld/studs-template.tld"%>

<template:insert template="/pages/template.psp">
         <template:put name="title"  content="Agregar/Editar usuarios" 
direct="true"/>
         <template:put name="arriba" content="/pages/header.psp"/>
         <template:put name="abajo"  content="/pages/footer.psp"/>
         <template:put name="centro" content="/pages/listado-usuarios.psp"/>
</template:insert>

and
listado-usuarios.psp
====================
<%@ page language="php" %>
<h1>Lista de Usuarios</h1>
<html:messages id="message" message="true" scope="session">
	<div class="message"><c:out value="${message}"/></div>
</html:messages>
.
.
.


and here is the result
---------------------------------------------------------------
type Exception report

message Internal Server Error

description The server encountered an internal error (Internal Server 
Error) that prevented it from fulfilling this request.

exception

horizon.lang.RootException: Fatal error:  Unknown(): The script tried to 
execute a method or access a property of an incomplete object. Please 
ensure that the class definition actionmessage of the object you are 
trying to operate on was loaded _before_ the session was started in 
/var/www/s/WEB-INF/lib/studs/taglib/html/HtmlMessagesTag.php on line 215

	at [PHP].main(:)


Testing more and more... if I insert next line:

<%@ taglib uri="/WEB-INF/tld/studs-html.tld" %>

in top of listado-usuarios.psp, so it becomes:
========================================
<%@ page language="php" %>
<%@ taglib uri="/WEB-INF/tld/studs-html.tld" %>
<h1>Lista de Usuarios</h1>
<html:messages id="message" message="true" scope="session">
	<div class="message"><c:out value="${message}"/></div>
</html:messages>
.
.
.
it works like a charm. It is supposed to be included at the beginning of 
user-list.psp, isn't it?
Is this normal? a bug? something else?
Cheers.

Re: [studs-user] Text field specialchars

[Juan C. R. A. <jc...@um...>]

Earnie Boyd wrote:
> Quoting Juan Carlos Rey Anaya <jc...@um...>:
> I'm not sure if you made a mistake by saying python docs or if you 
> actually were looking there but Studs is PHP...
:-)

What were I thinking about... ;-)
Cheers

Re: [studs-user] Text field specialchars

[Earnie B. <ea...@us...>]

Quoting Juan Carlos Rey Anaya <jc...@um...>:

> Juan Carlos Rey Anaya wrote:
>> As I don't know is this behabiour is configurable, I have recurred to a
>> home-made remedy :-)
>> function unescapeString($string, $charsToUnescape = array('\''),
> >{...}
>
> Yesterday I had a glimpse at string python docs, I didn't know there
> were a function 'stripslashes' that does the same although stud's one
> is more generic.
>
> Also there is a function called addslashes.

I'm not sure if you made a mistake by saying python docs or if you 
actually were looking there but Studs is PHP.  Based on 
http://us2.php.net/stripslashes the documentation seems to indicated 
that stripslashes should be used on values as a result of addslashes.


Earnie Boyd
--
Please post responsibly:
* Use text posts instead of html; many list members just trash mail with html.
* Do not use multipart mime to send both text and html versions.
* Do not top post replies; post inline with the parts you are responding to.
* Trim the post replies; remove irrelevant information from the quoted 
article.
* Original posters:
  ** Provide small complete examples of the problem.
  ** Provide the full command that produced errors.
  ** Provide the versions of the software used.

Re: [studs-user] Text field specialchars

[Juan C. R. A. <jc...@um...>]

Juan Carlos Rey Anaya wrote:
> As I don't know is this behabiour is configurable, I have recurred to a 
> home-made remedy :-)
> function unescapeString($string, $charsToUnescape = array('\''), 
 >{...}

Yesterday I had a glimpse at string python docs, I didn't know there
were a function 'stripslashes' that does the same although stud's one
is more generic.

Also there is a function called addslashes.
Cheers

Re: [studs-user] Text field specialchars

[Earnie B. <ea...@us...>]

Quoting Juan Carlos Rey Anaya <jc...@um...>:

> Juan Carlos Rey Anaya wrote:
>> Hello again...
>> I have a form in which a field represents html code written by the user.
>> I have observed the text value that gets inserted in the DB is escaped.
>
> Well, One more time I have lost inside code and couldn't detect where
> the string is escaped :-(
> But, I have detected the function that makes the final espace:
>
> WEB_INF/lib/horizon/util/StringUtils::escapeString
>
> As I don't know is this behabiour is configurable, I have recurred to a
> home-made remedy :-)
> unescaping the final string returned by the ActionForm setter method.
> If it were of interest to somebody, here is the function that makes it.
>
>
> function unescapeString($string, $charsToUnescape = array('\''),
> $escapeChar = '\\')
> {
> 	foreach ($charsToUnescape as $charToUnescape)
> 	{
>         	$chr_unescaped = str_replace($escapeChar, '', $charToUnescape);
> 		$string = str_replace($escapeChar . $chr_unescaped, $chr_unescaped,
> $string);
> 	}
> 	return $string;
> }
>

Thanks.  It makes sense that you need to unescape before setting the 
values for the form elements.

Earnie Boyd
--
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* Do not use multipart mime to send both text and html versions.
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* Trim the post replies; remove irrelevant information from the quoted 
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  ** Provide the versions of the software used.
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Re: [studs-user] Text field specialchars

[Juan C. R. A. <jc...@um...>]

Juan Carlos Rey Anaya wrote:
> Hello again...
> I have a form in which a field represents html code written by the user.
> I have observed the text value that gets inserted in the DB is escaped.

Well, One more time I have lost inside code and couldn't detect where 
the string is escaped :-(
But, I have detected the function that makes the final espace:

WEB_INF/lib/horizon/util/StringUtils::escapeString

As I don't know is this behabiour is configurable, I have recurred to a 
home-made remedy :-)
unescaping the final string returned by the ActionForm setter method.
If it were of interest to somebody, here is the function that makes it.


function unescapeString($string, $charsToUnescape = array('\''), 
$escapeChar = '\\')
{
	foreach ($charsToUnescape as $charToUnescape)
	{
         	$chr_unescaped = str_replace($escapeChar, '', $charToUnescape);
		$string = str_replace($escapeChar . $chr_unescaped, $chr_unescaped, 
$string);
	}
	return $string;
}

Cheers

[studs-user] Text field specialchars

[Juan C. R. A. <jc...@um...>]

Hello again...
I have a form in which a field represents html code written by the user.
I have observed the text value that gets inserted in the DB is escaped.

By If the user writes:
"Hello" http://www.myhost.com/path

Inside FormAction I note the value that get passed to the parameter in 
the setter method is escaped as:
\"Hello\" http:\/\/www.myhost.com\/path

If the user edits again the form and saves again, the text saved in DB is:
\\\"Hello\\\" http:\\\/\\\/www.myhost.com\\\/path

How can I disable this behabiour in this concrete case?
Does anybody has any idea?

Thanks ;-)

Re: [studs-user] Recursive psp template insert

[Earnie B. <ea...@us...>]

Quoting Juan Carlos Rey Anaya <jc...@um...>:

> Earnie Boyd wrote:
>> I'm not sure what the correct fix would be.  I'm thinking the issue is
>> the ContentMapStack::pop($this->pageContext) command in the doEndTag of
>> the TemplateInsertTag.php file.  That doEndTag also returns a
>> Tag::EVAL_PAGE and maybe should return Tag::EVAL_BODY_AGAIN instead?
>
> I'm been reading TagSupport.php, TemplateGetTag.php, ContentMapStack 
> and NestedBeanStack.
> I see nothing 'suspicious'.
>

Read my statement again; I suggested the problem was in TemplateInsertTag.php.

> I'm been revising Java definition of TagSupport and I have not seen 
> nothing about doAfterBody() event.
> I changed return value of TemplateGetTag::doStartTag() to 
> EVAL_BODY_AGAIN and happens the same.
> I changed return value of TemplateGetTag::doStartTag() to:
> EVAL_BODY_AGAIN when direct is not set and SKIP_BODY when direct is 
> not set and nothing new.
> I have redefined TemplateGetTag::doAfterBody() to EVAL_BODY_AGAIN and 
> nothing new happens.
>
> Uhmmm I suppose the issue is in pageContext->doInclude()... I haven't 
> had time to look for it...
> :-(
>

The issue is caused by the insert within the get.  The insert is 
properly parsed but the insert code doesn't allow for the nesting 
scenario you have given.

Earnie Boyd
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Re: [studs-user] Recursive psp template insert

[Juan C. R. A. <jc...@um...>]

Earnie Boyd wrote:
> I'm not sure what the correct fix would be.  I'm thinking the issue is 
> the ContentMapStack::pop($this->pageContext) command in the doEndTag of 
> the TemplateInsertTag.php file.  That doEndTag also returns a 
> Tag::EVAL_PAGE and maybe should return Tag::EVAL_BODY_AGAIN instead?

I'm been reading TagSupport.php, TemplateGetTag.php, ContentMapStack and NestedBeanStack.
I see nothing 'suspicious'.

I'm been revising Java definition of TagSupport and I have not seen nothing about doAfterBody() event.
I changed return value of TemplateGetTag::doStartTag() to EVAL_BODY_AGAIN and happens the same.
I changed return value of TemplateGetTag::doStartTag() to:
EVAL_BODY_AGAIN when direct is not set and SKIP_BODY when direct is not set and nothing new.
I have redefined TemplateGetTag::doAfterBody() to EVAL_BODY_AGAIN and nothing new happens.

Uhmmm I suppose the issue is in pageContext->doInclude()... I haven't had time to look for it...
:-(

Thanks

Re: [studs-user] Recursive psp template insert

[Earnie B. <ea...@us...>]

Quoting Juan Carlos Rey Anaya <jc...@um...>:

>
> horizon.lang.RootException: Fatal error:  Call to a member function 
> get() on a non-object in
> /var/www/html/s/WEB-INF/lib/studs/taglib/template/TemplateGetTag.php 
> on line 64
>

I'm not sure what the correct fix would be.  I'm thinking the issue is 
the ContentMapStack::pop($this->pageContext) command in the doEndTag of 
the TemplateInsertTag.php file.  That doEndTag also returns a 
Tag::EVAL_PAGE and maybe should return Tag::EVAL_BODY_AGAIN instead?

Earnie Boyd
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