public File createArchive()

in src/main/java/org/apache/nifi/NarMojo.java [1040:1116]
62 lines of code
16 McCabe index (conditional complexity)

    public File createArchive() throws MojoExecutionException {
        final File outputDirectory = projectBuildDirectory;
        File narFile = getNarFile(outputDirectory, finalName, classifier);
        MavenArchiver archiver = new MavenArchiver();
        archiver.setCreatedBy("Apache NiFi Nar Maven Plugin", "org.apache.nifi", "nifi-nar-maven-plugin");
        archiver.setArchiver(jarArchiver);
        archiver.setOutputFile(narFile);
        Date timestamp = archiver.configureReproducible(outputTimestamp); // configure for Reproducible Builds based on outputTimestamp value
        archive.setForced(forceCreation);

        try {
            File contentDirectory = getClassesDirectory();
            if (contentDirectory.exists()) {
                archiver.getArchiver().addDirectory(contentDirectory, getIncludes(), getExcludes());
            } else {
                getLog().warn("NAR will be empty - no content was marked for inclusion!");
            }

            File extensionDocsFile = getExtensionsDocumentationFile();
            if (extensionDocsFile.exists()) {
                archiver.getArchiver().addFile(extensionDocsFile, "META-INF/docs/" + extensionDocsFile.getName());
            } else {
                getLog().warn("NAR will not contain any Extensions' documentation - no META-INF/" + extensionDocsFile.getName() + " file found!");
            }

            File additionalDetailsDirectory = new File(getExtensionsDocumentationFile().getParentFile(), "additional-details");
            if (additionalDetailsDirectory.exists()) {
                archiver.getArchiver().addDirectory(additionalDetailsDirectory, "META-INF/docs/additional-details/");
            }

            File existingManifest = defaultManifestFile;
            if (useDefaultManifestFile && existingManifest.exists() && archive.getManifestFile() == null) {
                getLog().info("Adding existing MANIFEST to archive. Found under: " + existingManifest.getPath());
                archive.setManifestFile(existingManifest);
            }

            // automatically add the artifact id, group id, and version to the manifest
            archive.addManifestEntry("Nar-Id", narId);
            archive.addManifestEntry("Nar-Group", narGroup);
            archive.addManifestEntry("Nar-Version", narVersion);

            // look for a nar dependency
            NarDependency narDependency = getNarDependency();
            if (narDependency != null) {
                final String narDependencyGroup = notEmpty(this.narDependencyGroup) ? this.narDependencyGroup : narDependency.getGroupId();
                final String narDependencyId = notEmpty(this.narDependencyId) ? this.narDependencyId : narDependency.getArtifactId();
                final String narDependencyVersion = notEmpty(this.narDependencyVersion) ? this.narDependencyVersion : narDependency.getVersion();

                archive.addManifestEntry("Nar-Dependency-Group", narDependencyGroup);
                archive.addManifestEntry("Nar-Dependency-Id", narDependencyId);
                archive.addManifestEntry("Nar-Dependency-Version", narDependencyVersion);
            }

            // add build information when available

            if (notEmpty(buildTag)) {
                archive.addManifestEntry("Build-Tag", buildTag);
            }
            if (notEmpty(buildBranch)) {
                archive.addManifestEntry("Build-Branch", buildBranch);
            }
            if (notEmpty(buildRevision)) {
                archive.addManifestEntry("Build-Revision", buildRevision);
            }

            SimpleDateFormat dateFormat = new SimpleDateFormat(BUILD_TIMESTAMP_FORMAT);
            dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
            archive.addManifestEntry("Build-Timestamp", dateFormat.format(timestamp == null ? new Date() : timestamp));

            archive.addManifestEntry("Clone-During-Instance-Class-Loading", String.valueOf(cloneDuringInstanceClassLoading));

            archiver.createArchive(session, project, archive);
            return narFile;
        } catch (ArchiverException | MojoExecutionException | ManifestException | IOException | DependencyResolutionRequiredException e) {
            throw new MojoExecutionException("Error assembling NAR", e);
        }
    }