Using JSTL, taglibs and custom tags in JSP-alternative projects based on Thymeleaf, Apache Velocity, Apache...












0















I know two facts:



1) EL (later Unified EL) and taglibs (custom tag libraries, including JSTL) are used within JSP and designed specifically for use within JSP.



2) Alternatives to JSP are: Thymeleaf, Apache Velocity, Apache Freemarker, Facelets (within bigger JSF framework). Plus Struts (it is very old, but still is an "alternative").



My question is: a) is it possible and b) is it good practice to use EL and custom tags / taglibs (including JSTL) within projects using JSP alternatives, or they are JSP-specific and cannot be used outside of JSP?



I think that all those can be used in Facelets/JSF, because before Facelets JSF was JSP-based and I still can mix JSP and Facelets. But what about projects with Thymeleaf, Apache Velocity, Apache Freemarker? And Struts2?










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  • You can use multiple template Resolvers see stackoverflow.com/questions/28480223/…

    – user7294900
    Nov 25 '18 at 13:43
















0















I know two facts:



1) EL (later Unified EL) and taglibs (custom tag libraries, including JSTL) are used within JSP and designed specifically for use within JSP.



2) Alternatives to JSP are: Thymeleaf, Apache Velocity, Apache Freemarker, Facelets (within bigger JSF framework). Plus Struts (it is very old, but still is an "alternative").



My question is: a) is it possible and b) is it good practice to use EL and custom tags / taglibs (including JSTL) within projects using JSP alternatives, or they are JSP-specific and cannot be used outside of JSP?



I think that all those can be used in Facelets/JSF, because before Facelets JSF was JSP-based and I still can mix JSP and Facelets. But what about projects with Thymeleaf, Apache Velocity, Apache Freemarker? And Struts2?










share|improve this question























  • You can use multiple template Resolvers see stackoverflow.com/questions/28480223/…

    – user7294900
    Nov 25 '18 at 13:43














0












0








0








I know two facts:



1) EL (later Unified EL) and taglibs (custom tag libraries, including JSTL) are used within JSP and designed specifically for use within JSP.



2) Alternatives to JSP are: Thymeleaf, Apache Velocity, Apache Freemarker, Facelets (within bigger JSF framework). Plus Struts (it is very old, but still is an "alternative").



My question is: a) is it possible and b) is it good practice to use EL and custom tags / taglibs (including JSTL) within projects using JSP alternatives, or they are JSP-specific and cannot be used outside of JSP?



I think that all those can be used in Facelets/JSF, because before Facelets JSF was JSP-based and I still can mix JSP and Facelets. But what about projects with Thymeleaf, Apache Velocity, Apache Freemarker? And Struts2?










share|improve this question














I know two facts:



1) EL (later Unified EL) and taglibs (custom tag libraries, including JSTL) are used within JSP and designed specifically for use within JSP.



2) Alternatives to JSP are: Thymeleaf, Apache Velocity, Apache Freemarker, Facelets (within bigger JSF framework). Plus Struts (it is very old, but still is an "alternative").



My question is: a) is it possible and b) is it good practice to use EL and custom tags / taglibs (including JSTL) within projects using JSP alternatives, or they are JSP-specific and cannot be used outside of JSP?



I think that all those can be used in Facelets/JSF, because before Facelets JSF was JSP-based and I still can mix JSP and Facelets. But what about projects with Thymeleaf, Apache Velocity, Apache Freemarker? And Struts2?







jsp java-ee thymeleaf jsp-tags taglib






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asked Nov 25 '18 at 13:39









caasdadscaasdads

1347




1347













  • You can use multiple template Resolvers see stackoverflow.com/questions/28480223/…

    – user7294900
    Nov 25 '18 at 13:43



















  • You can use multiple template Resolvers see stackoverflow.com/questions/28480223/…

    – user7294900
    Nov 25 '18 at 13:43

















You can use multiple template Resolvers see stackoverflow.com/questions/28480223/…

– user7294900
Nov 25 '18 at 13:43





You can use multiple template Resolvers see stackoverflow.com/questions/28480223/…

– user7294900
Nov 25 '18 at 13:43












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Freemarker supports EL and custom tags / taglibs:




Using JSP custom tags in FTL
FreemarkerServlet puts the JspTaglibs hash into the data-model, which you can use to access JSP taglibs. The JSP custom tags will be accessible as plain user-defined directives, and the custom EL functions (since FreeMarker 2.3.22) as methods.




Also Spring moved from Velocity to FreeMarker as default template engine




Velocity Templating support was being phased out in favor of FreeMarker.




Notice also FreeMarker is no longer in incubation status in Apache projects




The FreeMarker project graduated on 2018-03-21







share|improve this answer























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    1 Answer
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    Freemarker supports EL and custom tags / taglibs:




    Using JSP custom tags in FTL
    FreemarkerServlet puts the JspTaglibs hash into the data-model, which you can use to access JSP taglibs. The JSP custom tags will be accessible as plain user-defined directives, and the custom EL functions (since FreeMarker 2.3.22) as methods.




    Also Spring moved from Velocity to FreeMarker as default template engine




    Velocity Templating support was being phased out in favor of FreeMarker.




    Notice also FreeMarker is no longer in incubation status in Apache projects




    The FreeMarker project graduated on 2018-03-21







    share|improve this answer




























      0














      Freemarker supports EL and custom tags / taglibs:




      Using JSP custom tags in FTL
      FreemarkerServlet puts the JspTaglibs hash into the data-model, which you can use to access JSP taglibs. The JSP custom tags will be accessible as plain user-defined directives, and the custom EL functions (since FreeMarker 2.3.22) as methods.




      Also Spring moved from Velocity to FreeMarker as default template engine




      Velocity Templating support was being phased out in favor of FreeMarker.




      Notice also FreeMarker is no longer in incubation status in Apache projects




      The FreeMarker project graduated on 2018-03-21







      share|improve this answer


























        0












        0








        0







        Freemarker supports EL and custom tags / taglibs:




        Using JSP custom tags in FTL
        FreemarkerServlet puts the JspTaglibs hash into the data-model, which you can use to access JSP taglibs. The JSP custom tags will be accessible as plain user-defined directives, and the custom EL functions (since FreeMarker 2.3.22) as methods.




        Also Spring moved from Velocity to FreeMarker as default template engine




        Velocity Templating support was being phased out in favor of FreeMarker.




        Notice also FreeMarker is no longer in incubation status in Apache projects




        The FreeMarker project graduated on 2018-03-21







        share|improve this answer













        Freemarker supports EL and custom tags / taglibs:




        Using JSP custom tags in FTL
        FreemarkerServlet puts the JspTaglibs hash into the data-model, which you can use to access JSP taglibs. The JSP custom tags will be accessible as plain user-defined directives, and the custom EL functions (since FreeMarker 2.3.22) as methods.




        Also Spring moved from Velocity to FreeMarker as default template engine




        Velocity Templating support was being phased out in favor of FreeMarker.




        Notice also FreeMarker is no longer in incubation status in Apache projects




        The FreeMarker project graduated on 2018-03-21








        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 25 '18 at 14:57









        user7294900user7294900

        22.8k113361




        22.8k113361
































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