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Posted to users@cocoon.apache.org by Enke Michael <Mi...@wincor-nixdorf.com> on 2001/08/01 11:10:29 UTC

Re: strange Language Exception

This happened with Cocoon0730041508

Regards,
Michael

Vadim Gritsenko wrote:
> 
> Do you have this problem with latest CVS version?
> 
> I think that this is already fixed in CVS.
> 
> Thanks,
> Vadim
> 
> > -----Original Message-----
> > From: Enke Michael [mailto:Michael.Enke@wincor-nixdorf.com]
> > Sent: Tuesday, July 31, 2001 3:56 PM
> > To: cocoon-users@xml.apache.org
> > Subject: xsp: strange Language Exception
> >
> >
> > Hi folks,
> > I have a question which I cann't answer myself and maybe
> > it is an error I have found?
> >
> > Lock at this few lines:
> > ========================================
> > <?xml version="1.0" encoding="UTF-8"?>
> >
> > <xsp:page language="java"
> >   xmlns:xsp="http://apache.org/xsp"
> >   xmlns:i18n="http://apache.org/cocoon/i18n/2.0" encoding="UTF-8"
> > >
> >
> > <page>
> >  <xsp:logic>
> >    String result = "_d";
> >    if(result.equals("_d")) {
> >      <result>
> >       <i18n:date/>
> >      </result>
> >    }
> >    else {
> >      <result>
> >       <xsp:expr>result</xsp:expr>
> >      </result>
> >    }
> >  </xsp:logic>
> > </page>
> > </xsp:page>
> > ========================================
> > It is without much sense but I wanted to concentrate on the effect.
> > In the if and else branch (in real life I have much more else if
> > branches)
> > I must repeat the <result> and </result> elements in each branch.
> >
> > My idea was to put only one <result> before <xsp:logic> and
> > only one </result> behind </xsp:logic>
> > But than I get these Exception:
> >
> > DEBUG   99660   [cocoon  ] (/calypso/test_error)
> > Thread-22/ProgramGeneratorImpl: Language Exception
> > org.apache.cocoon.components.language.LanguageException: Error compiling
> > test_error_xsp:
> > Line 107, column 6:  Invalid expression statement.
> > Line 107, column 14:  ';' expected.
> >         at
> > org.apache.cocoon.components.language.programming.java.JavaLanguage.compile(JavaLanguage.java:203)
> >         at
> > org.apache.cocoon.components.language.programming.CompiledProgrammingLanguage.load(CompiledProgrammingLanguage
> > .java:140)
> >         at
> > org.apache.cocoon.components.language.generator.ProgramGeneratorImpl.generateResource(ProgramGeneratorImpl.java:276)
> >         at
> > org.apache.cocoon.components.language.generator.ProgramGeneratorImpl.load(ProgramGeneratorImpl.java:184)
> >         at
> > org.apache.cocoon.generation.ServerPagesGenerator.setup(ServerPagesGenerator.java:153)
> >         at
> > org.apache.cocoon.components.pipeline.AbstractEventPipeline.setupPipeline(AbstractEventPipeline.java:146)
> > ...
> >
> > Does anybody know if this is my problem because I didn't read deep
> > enough
> > into the documentation or is this a cocoon problem?
> >
> > Regards,
> > Michael
> >
> > ---------------------------------------------------------------------
> > Please check that your question has not already been answered in the
> > FAQ before posting. <http://xml.apache.org/cocoon/faqs.html>
> >
> > To unsubscribe, e-mail: <co...@xml.apache.org>
> > For additional commands, e-mail: <co...@xml.apache.org>
> >
> >
> 
> ---------------------------------------------------------------------
> Please check that your question has not already been answered in the
> FAQ before posting. <http://xml.apache.org/cocoon/faqs.html>
> 
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Re: strange Language Exception

Posted by Enke Michael <Mi...@wincor-nixdorf.com>.
Thank you very much for the explanation and solution of my problem!
Michael

Vadim Gritsenko wrote:
>  ...
> And here is the solution:
> <xsp:expr> can not be used this way when it immediately netsted in <xsp:logic>,
> and this is done so to enable interoperability with other stylesheets. An example of
> correct usage would be something like:
> 
> <result>
>   <xsp:logic>
>     String result = "";
>     if(result.equals("")){
>       <i18n:date/>
>     }else{
>       result = <xsp-request:get-header name="user-agent"/>;
>     }else{
>       result = <xsp:expr>result</xsp:expr>;
>     }
>   </xsp:logic>
>   <xsp:expr>result</xsp:expr>
> </result>
> 
> Hope I described this clear enough,
> 
> Vadim
> ...

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RE: strange Language Exception

Posted by Vadim Gritsenko <vg...@hns.com>.
It does not correlate with XML file you sent before...
It looks like this java file was generated from different XML, something like this:

<result>
  <xsp:logic>
    if(...){
      <i18n:date/>
    }else{
      <xsp:expr>result</xsp:expr>
    }
  </xsp:logic>
</result>

With this XML I'm able to reproduce your problem (XML file you sent before was compiling
with no problems).

And here is the solution: 
<xsp:expr> can not be used this way when it immediately netsted in <xsp:logic>,
and this is done so to enable interoperability with other stylesheets. An example of 
correct usage would be something like:

<result>
  <xsp:logic>
    String result = "";
    if(result.equals("")){
      <i18n:date/>
    }else{
      result = <xsp-request:get-header name="user-agent"/>;
    }else{
      result = <xsp:expr>result</xsp:expr>;
    }
  </xsp:logic>
  <xsp:expr>result</xsp:expr>
</result>


Hope I described this clear enough,

Vadim

> -----Original Message-----
> From: Enke Michael [mailto:Michael.Enke@wincor-nixdorf.com]
> Sent: Wednesday, August 01, 2001 11:25 AM
> To: cocoon-users@xml.apache.org
> Subject: Re: strange Language Exception
> 
> 
> Vadim Gritsenko wrote:
> > 
> > Send your test_error_xsp.java which is found under Cocoon's work directory.
> > 
> > Vadim
> > 
> > > -----Original Message-----
> > > From: Enke Michael [mailto:Michael.Enke@wincor-nixdorf.com]
> > > Sent: Wednesday, August 01, 2001 5:10 AM
> > > To: cocoon-users@xml.apache.org
> > > Subject: Re: strange Language Exception
> > >
> > >
> > > This happened with Cocoon0730041508
> > >
> > > Regards,
> > > Michael
> > >
> > ...
> 
> Here it comes.
> Greetings,
> Michael
> 
> 

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Re: strange Language Exception

Posted by Enke Michael <Mi...@wincor-nixdorf.com>.
Vadim Gritsenko wrote:
> 
> Send your test_error_xsp.java which is found under Cocoon's work directory.
> 
> Vadim
> 
> > -----Original Message-----
> > From: Enke Michael [mailto:Michael.Enke@wincor-nixdorf.com]
> > Sent: Wednesday, August 01, 2001 5:10 AM
> > To: cocoon-users@xml.apache.org
> > Subject: Re: strange Language Exception
> >
> >
> > This happened with Cocoon0730041508
> >
> > Regards,
> > Michael
> >
> ...

Here it comes.
Greetings,
Michael


RE: strange Language Exception

Posted by Vadim Gritsenko <vg...@hns.com>.
Send your test_error_xsp.java which is found under Cocoon's work directory.

Vadim

> -----Original Message-----
> From: Enke Michael [mailto:Michael.Enke@wincor-nixdorf.com]
> Sent: Wednesday, August 01, 2001 5:10 AM
> To: cocoon-users@xml.apache.org
> Subject: Re: strange Language Exception
> 
> 
> This happened with Cocoon0730041508
> 
> Regards,
> Michael
> 
> Vadim Gritsenko wrote:
> > 
> > Do you have this problem with latest CVS version?
> > 
> > I think that this is already fixed in CVS.
> > 
> > Thanks,
> > Vadim
> > 
> > > -----Original Message-----
> > > From: Enke Michael [mailto:Michael.Enke@wincor-nixdorf.com]
> > > Sent: Tuesday, July 31, 2001 3:56 PM
> > > To: cocoon-users@xml.apache.org
> > > Subject: xsp: strange Language Exception
> > >
> > >
> > > Hi folks,
> > > I have a question which I cann't answer myself and maybe
> > > it is an error I have found?
> > >
> > > Lock at this few lines:
> > > ========================================
> > > <?xml version="1.0" encoding="UTF-8"?>
> > >
> > > <xsp:page language="java"
> > >   xmlns:xsp="http://apache.org/xsp"
> > >   xmlns:i18n="http://apache.org/cocoon/i18n/2.0" encoding="UTF-8"
> > > >
> > >
> > > <page>
> > >  <xsp:logic>
> > >    String result = "_d";
> > >    if(result.equals("_d")) {
> > >      <result>
> > >       <i18n:date/>
> > >      </result>
> > >    }
> > >    else {
> > >      <result>
> > >       <xsp:expr>result</xsp:expr>
> > >      </result>
> > >    }
> > >  </xsp:logic>
> > > </page>
> > > </xsp:page>
> > > ========================================
> > > It is without much sense but I wanted to concentrate on the effect.
> > > In the if and else branch (in real life I have much more else if
> > > branches)
> > > I must repeat the <result> and </result> elements in each branch.
> > >
> > > My idea was to put only one <result> before <xsp:logic> and
> > > only one </result> behind </xsp:logic>
> > > But than I get these Exception:
> > >
> > > DEBUG   99660   [cocoon  ] (/calypso/test_error)
> > > Thread-22/ProgramGeneratorImpl: Language Exception
> > > org.apache.cocoon.components.language.LanguageException: Error compiling
> > > test_error_xsp:
> > > Line 107, column 6:  Invalid expression statement.
> > > Line 107, column 14:  ';' expected.
> > >         at
> > > org.apache.cocoon.components.language.programming.java.JavaLanguage.compile(JavaLanguage.java:203)
> > >         at
> > > org.apache.cocoon.components.language.programming.CompiledProgrammingLanguage.load(CompiledProgrammingLanguage
> > > .java:140)
> > >         at
> > > 
> org.apache.cocoon.components.language.generator.ProgramGeneratorImpl.generateResource(ProgramGeneratorImpl.java:276)
> > >         at
> > > org.apache.cocoon.components.language.generator.ProgramGeneratorImpl.load(ProgramGeneratorImpl.java:184)
> > >         at
> > > org.apache.cocoon.generation.ServerPagesGenerator.setup(ServerPagesGenerator.java:153)
> > >         at
> > > org.apache.cocoon.components.pipeline.AbstractEventPipeline.setupPipeline(AbstractEventPipeline.java:146)
> > > ...
> > >
> > > Does anybody know if this is my problem because I didn't read deep
> > > enough
> > > into the documentation or is this a cocoon problem?
> > >
> > > Regards,
> > > Michael
> > >


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