Re: ${delegate} in generated Struts Action subclasses

In the latest version of Middlegen, the Struts plugin is dependent on the
adapter plugin. See the samples/build.xml. You need the <adapter> subtask
for the <middlegen> task.

Look at the sample and see if you figure out.

.eivind

On Sun, 17 Oct 2004, Davorin Kremenjas wrote:

> Hello everyone.
> This is a newbie question so be patient, please.
>
> I'm trying to set up a small MVC web app using Middlegen as a source code
> generator for
> Hibernate as Model, Struts as Controller and JSP as View.
> I know that Struts plugin for Middlegen is in alpha state but since it does
> all the
> tedious work I decided to give it a try.
> After generating Struts and Hibernate code (which works jst fine) I'm trying
> to run
> webdoclet task as mandated by Middlegen documentation for Struts plugin.
> Here is where I get into errors.
> In every Java file that extends Struts Action class there is a line with a
> token ${delegate}.
> Of course, files cannot be compiled and run so everything becomes useless.
> This is how the webdoclet task looks like:
>
> <target name="webdoclet" >
>    <mkdir dir="${build.web-meta.dir}"/>
>    <taskdef
>     name="webdoclet"
>     classname="xdoclet.modules.web.WebDocletTask"
>       classpathref="lib.class.path"/>
>    <webdoclet
>       destdir="${build.web-meta.dir}/WEB-INF"
>       excludedtags="@version,@author">
>       <fileset dir="${build.gen-src.dir}">
>          <include name="**/web/**/*.java" />
>       </fileset>
>       <deploymentdescriptor
>          servletspec="2.3"
>          validatexml="true"
>          mergedir="${basedir}/src/xdoclet"/>
>       <strutsconfigxml
>          destdir="${build.web-meta.dir}/WEB-INF">
>          <configParam name="version" value="1.2"/>
>       </strutsconfigxml>
>    </webdoclet>
> </target>
>
> And this is an error that it produces for every Action subclass:
>
> [webdoclet] Error parsing File
> E:\HIBERNATE\apps\...\web\struts\ViewTvarAction.java:
> Encountered "{" at line 65, column 25.
> [webdoclet] Was expecting one of:
> [webdoclet]     "instanceof" ...
> [webdoclet]     ";" ...
> [webdoclet]     "=" ...
> ...
>
> Aforementioned "{" is the begining brace of ${delegate} token.
> The token comes in five variations:
>
> ${delegate}.remove(xxxForm);
> xxxForm = ${delegate}.edit(xxxForm);
> xxxForm = ${delegate}.create(xxxForm);
> List xxxs = ${delegate}.select(xxxForm);
> xxxForm = ${delegate}.update(xxxForm);
>
> OK, it's obvious there should be an object reference instead of a token.
> What I don't know is
> which object.
>
> Am I missing a point here? Is there another step I forgot to take?
> I'm ready to edit all corresponding lines by hand but I don't have a clue
> what should
> I put instead of ${delegate}...
>
> Thanks everyone.
>
>
>
>
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