throws PluginDescriptorParsingException, InvalidPluginDescriptorException {
        PluginDescriptor pluginDescriptor = null;

        File pluginFile = pluginArtifact.getFile();

        try {
            if (pluginFile.isFile()) {
                try (JarFile pluginJar = new JarFile(pluginFile, false)) {

        }
        return lifecycleMappings;
    }

    private InputStream getDescriptorStream(String descriptor) throws IOException {
        File pluginFile = (pluginArtifact != null) ? pluginArtifact.getFile() : null;
        if (pluginFile == null) {
            throw new IllegalStateException("plugin main artifact has not been resolved for " + getId());
        }

        if (pluginFile.isFile()) {
            try {

            project.setArtifact(projectArtifact);

            // only set those on 2nd phase, ignore on 1st pass
            if (project.getFile() != null) {
                Build build = project.getBuild().getDelegate();
                List<org.apache.maven.api.model.Source> sources = build.getSources();
                Path baseDir = project.getBaseDirectory();

                infoMain(building + ((pad > 0) ? chars(' ', pad) : "") + progress);
            }

            // path to pom.xml
            File currentPom = project.getFile();
            if (currentPom != null) {
                MavenSession session = event.getSession();
                Path current = currentPom.toPath().toAbsolutePath().normalize();

                if (dfos.isInMemory()) {
                    contentCache = new ContentCache(dfos.getData());
                } else {
                    contentCache = new ContentCache(dfos.getFile());
                }
                response.setContentCache(contentCache);
            } catch (final Exception e) {
                response.setContentException(e);

        ClassPath.getClassPathEntry(new File("/home/build/outer.jar"), "x/y/z.jar").toURI());
    assertEquals(
        "/home/build/x y.jar",
        ClassPath.getClassPathEntry(new File("/home/build/outer.jar"), "x y.jar").getFile());
  }

  public void testGetClassPathFromManifest_nullManifest() {
    assertThat(ClassPath.getClassPathFromManifest(new File("some.jar"), null)).isEmpty();
  }

                // OS
                visit(activation.getOs());
                // Property
                visit(activation.getProperty());
                // File
                visit(activation.getFile());
            }
        }

        private void visit(ActivationOS activationOS) {
            if (activationOS != null) {
                String org, val;
                // Name

        ClassPath.getClassPathEntry(new File("/home/build/outer.jar"), "x/y/z.jar").toURI());
    assertEquals(
        "/home/build/x y.jar",
        ClassPath.getClassPathEntry(new File("/home/build/outer.jar"), "x y.jar").getFile());
  }

  public void testGetClassPathFromManifest_nullManifest() {
    assertThat(ClassPath.getClassPathFromManifest(new File("some.jar"), null)).isEmpty();
  }

                                contentType = defaultMimeType;
                            }
                        }
                    } else {
                        final File outputFile = dfos.getFile();
                        responseData.setResponseBody(outputFile, true);
                        contentLength = outputFile.length();
                        if (contentType == null) {

        for (Profile profile : interpolatedActivations) {
            Activation activation = profile.getActivation();
            Optional<Activation> a = Optional.ofNullable(activation);
            a.map(Activation::getFile).ifPresent(fa -> {
                Interpolation nt =
                        new Interpolation(fa, s -> profileActivationFilePathInterpolator.interpolate(s, context));