File systemFile = artifact.getFile();

            if (systemFile == null) {
                throw new ArtifactNotFoundException("System artifact: " + artifact + " has no file attached", artifact);
            }

            if (!systemFile.exists()) {
                throw new ArtifactNotFoundException(

* do we need a dictionary for our applications like Apple does. We could easily hook into this and this is the model we need to follow. Following the model of apple applications the dictionary is what the REST URI should attach to. Not creating custom logic in the resource code.
* how many of our REST services do not map directory to a method in the application interface?

- an example of adding js

        InternalMavenSession session = ((DefaultProject) project).getSession();
        Collection<Artifact> attached = map(
                getMavenProject(project).getAttachedArtifacts(),
                a -> session.getArtifact(RepositoryUtils.toArtifact(a)));
        return Collections.unmodifiableCollection(attached);
    }

    @Override
    public Collection<Artifact> getAllArtifacts(Project project) {

        artifact.setFile(artifactFile);
        artifact.setResolved(true);

        attachArtifact(project, artifact);
    }

    /**
     * Add an attached artifact or replace the file for an existing artifact.
     *
     * @see MavenProject#addAttachedArtifact(org.apache.maven.artifact.Artifact)
     * @param project project reference.

incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability. END OF TERMS AND CONDITIONS APPENDIX: How to apply the Apache License to your work. To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets "[]" replaced with your own identifying information. (Don't include the brackets!) The text should be enclosed in the appropriate comment syntax for the file format. We also recommend...

incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability. END OF TERMS AND CONDITIONS APPENDIX: How to apply the Apache License to your work. To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets "[]" replaced with your own identifying information. (Don't include the brackets!) The text should be enclosed in the appropriate comment syntax for the file format. We also recommend...

foreach configuration element:
 - if read only and being set squawk

 - find the parameter
 - get value from expression or default
 - if required and null squawk

      <configuration>
        <attached implementation="boolean" default-value="true"/>
        <localRepository implementation="org.apache.maven.artifact.repository.ArtifactRepository">${localRepository}</localRepository>

    Optional<Path> getPath(Project project);

    /**
     * Returns an immutable collection of attached artifacts for given project.
     */
    @Nonnull
    Collection<Artifact> getAttachedArtifacts(Project project);

    /**
     * Returns project's all artifacts as immutable collection. The list contains all artifacts, even the attached ones,