private NarDependency getNarDependency()

in src/main/java/org/apache/nifi/NarMojo.java [1154:1182]

• 19 lines of code
• 4 McCabe index (conditional complexity)

    private NarDependency getNarDependency() throws MojoExecutionException {
        NarDependency narDependency = null;

        // get nar dependencies
        FilterArtifacts filter = new FilterArtifacts();
        filter.addFilter(new TypeFilter("nar", ""));

        // start with all artifacts.
        Set<Artifact> artifacts = project.getArtifacts();

        // perform filtering
        try {
            artifacts = filter.filter(artifacts);
        } catch (ArtifactFilterException e) {
            throw new MojoExecutionException(e.getMessage(), e);
        }

        // ensure there is a single nar dependency
        if (artifacts.size() > 1) {
            throw new MojoExecutionException("Each NAR represents a ClassLoader. A NAR dependency allows that NAR's ClassLoader to be "
                    + "used as the parent of this NAR's ClassLoader. As a result, only a single NAR dependency is allowed.");
        } else if (artifacts.size() == 1) {
            final Artifact artifact = artifacts.iterator().next();

            narDependency = new NarDependency(artifact.getGroupId(), artifact.getArtifactId(), artifact.getBaseVersion());
        }

        return narDependency;
    }