Re: [m2e-dev] Annotations Processing Contribution

[Eric Dalquist <eric.dalquist@xxxxxxxxxxxxx>]

Yeah I found that and it does work. The problem is there is no extension for either the maven-processor-plugin or for running the compiler during the generate-sources phase. If I run "mvn clean compile" on the command line and then refresh my eclipse project the build helper plugin correctly adds the "target/generated-sources/annotations" directory as a source dir. The problem is without running the command line build the compiler is not run to generate that directory and the sources.

-Eric

On 7/9/11 2:25 AM, Jeff MAURY wrote:

I think there is a M2E extension that deals with the build helper plugin. So given your configuration, I don't think there is more to do.
Regards
Jeff

On Sat, Jul 9, 2011 at 4:55 AM, Eric Dalquist <eric.dalquist@xxxxxxxxxxxxx> wrote:

Note while doing some more digging I found a more concise way to do the annotation processor config: http://planet.jboss.org/view/post.seam?post=a_more_concise_way_to_generate_the_jpa_2_metamodel_in_maven

So even better would be to work on a m2e extension that allows the compiler and build-helper plugins to run at the correct time in eclipse. Again I'm more than happy to do this work I'm just looking for any tips or other ideas before getting started.

-Eric

On 7/8/11 9:30 PM, Eric Dalquist wrote:

I have a project that uses the hibernate-jpamodelgen library to generate code based on annotations. We had this working for our project under the old m2eclipse plugin by using the maven-processor-plugin and build-helper-maven-plugin, I've included the config below.

I'm interested in helping figure out the best way to do this and write the m2e plugin to get it working. I've looked over the source for the m2e jaxb feature that was created for this issue: https://bugs.eclipse.org/bugs/show_bug.cgi?id=350299 that gives me some ideas but before I started playing with code I was wondering if anyone here had any words of wisdom to share.

Thanks,
-Eric

<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<compilerArgument>-proc:none</compilerArgument>
</configuration>
</plugin>
<plugin>
<groupId>org.bsc.maven</groupId>
<artifactId>maven-processor-plugin</artifactId>
<version>2.0.2</version>
<executions>
<execution>
<id>process</id>
<goals>
<goal>process</goal>
</goals>
<phase>generate-sources</phase>
<configuration>
<outputDirectory>target/generated-sources/metamodel</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>build-helper-maven-plugin</artifactId>
<version>1.5</version>
<executions>
<execution>
<id>add-source</id>
<phase>generate-sources</phase>
<goals>
<goal>add-source</goal>
</goals>
<configuration>
<sources>
<source>target/generated-sources/metamodel</source>
</sources>
</configuration>
</execution>
</executions>
</plugin>

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