[S2] EL support: Tomcat's Jasper instead of JUEL

[Antonio Petrelli-3]

Hi all!
I experimented the use of Tomcat's Jasper implementation of EL instead
of JUEL at Tiles, and it seems to work pretty well:
http://svn.apache.org/repos/asf/tiles/framework/trunk/tiles-core/src/main/java/org/apache/tiles/evaluator/el/

So I managed to remove dependency on JUEL (that is a nightmare when
deployed under a JSP 2.1 container, due to its javax.el libraries) and
use "official" Glassfish EL APIs and Tomcat implementation.
Do you think that we could do the same for Struts 2?

Thanks
Antonio

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[Adam Hardy-3]

Antonio Petrelli on 08/05/08 09:34, wrote:
> Hi all!
> I experimented the use of Tomcat's Jasper implementation of EL instead
> of JUEL at Tiles, and it seems to work pretty well:
> http://svn.apache.org/repos/asf/tiles/framework/trunk/tiles-core/src/main/java/org/apache/tiles/evaluator/el/
>
> So I managed to remove dependency on JUEL (that is a nightmare when
> deployed under a JSP 2.1 container, due to its javax.el libraries) and
> use "official" Glassfish EL APIs and Tomcat implementation.
> Do you think that we could do the same for Struts 2?

Hi Antonio
what are the official Glassfish EL APIs? Do you know their maven groupId and
artifactId?


Adam

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[Antonio Petrelli-3]

2008/5/8 Adam Hardy <ahardy.struts@...>:
>
> Antonio Petrelli on 08/05/08 09:34, wrote:
>
> > Hi all!
> > I experimented the use of Tomcat's Jasper implementation of EL instead
> > of JUEL at Tiles, and it seems to work pretty well:

Eh, it's a bit complicated, since the Glassfish team does not like
Maven 2 very much. Here they are anyway:

    <dependency>
      <groupId>javax.el</groupId>
      <artifactId>el-api</artifactId>
      <version>1.0</version>
      <scope>provided</scope>
    </dependency>

You have to add the repository too:

    <repository>
      <id>java_net</id>
      <url>http://download.java.net/maven/1/</url>
      <layout>legacy</layout>
    </repository>

Notice that Maven 2 repository of java.net contains a
not-compiled-correctly version of the API. I sent an e-mail to the
Glassfish team, but it seems that they won't update it :-(

Antonio

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[Adam Hardy-3]

Antonio Petrelli on 08/05/08 10:07, wrote:

> 2008/5/8 Adam Hardy <ahardy.struts@...>:
>> Antonio Petrelli on 08/05/08 09:34, wrote:
>>
>>> Hi all!
>>> I experimented the use of Tomcat's Jasper implementation of EL instead
>>> of JUEL at Tiles, and it seems to work pretty well:
>
> Eh, it's a bit complicated, since the Glassfish team does not like
> Maven 2 very much. Here they are anyway:
>
>     <dependency>
>       <groupId>javax.el</groupId>
>       <artifactId>el-api</artifactId>
>       <version>1.0</version>
>       <scope>provided</scope>
>     </dependency>
>
> You have to add the repository too:
>
>     <repository>
>       <id>java_net</id>
>       <url>http://download.java.net/maven/1/</url>
>       <layout>legacy</layout>
>     </repository>
>
> Notice that Maven 2 repository of java.net contains a
> not-compiled-correctly version of the API. I sent an e-mail to the
> Glassfish team, but it seems that they won't update it :-(

Useful to know, thanks.

Does this replace the original jakarta-taglibs standard.jar or the
javax.servlet.jstl.jar?

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[Antonio Petrelli-3]

2008/5/8 Adam Hardy <ahardy.struts@...>:
>  Does this replace the original jakarta-taglibs standard.jar or the
> javax.servlet.jstl.jar?

No, EL is part of the JSP specification since 2.0 version, so you can
find it (again!!! and I don't like it :-D ) under:

      <dependency>
         <groupId>javax.servlet.jsp</groupId>
         <artifactId>jsp-api</artifactId>
         <version>2.1</version>
         <scope>provided</scope>
      </dependency>

JSTL (API and implementation) 1.2 is here:

      <dependency>
         <groupId>javax.servlet</groupId>
         <artifactId>jstl</artifactId>
         <version>1.2</version>
         <scope>runtime</scope>
      </dependency>

Antonio

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