protected void readProjectFeatures()

in src/main/java/org/apache/sling/feature/maven/Preprocessor.java [288:351]
46 lines of code
8 McCabe index (conditional complexity)

    protected void readProjectFeatures(
            final Logger logger, final FeatureProjectInfo info, final FeatureProjectConfig config) {
        // feature files first:
        final File dir = new File(info.project.getBasedir(), config.getFeaturesDir());
        if (dir.exists()) {
            final List<File> files = new ArrayList<>();
            ProjectHelper.scan(files, dir, config.getIncludes(), config.getExcludes());

            for (final File file : files) {
                logger.debug("Reading feature file " + file + " in project " + info.project.getId());

                // if the feature is in the root of the configured directory
                // and the feature is named "feature.json"
                // and the feature is not a test feature, this is the main feature
                // which does not get a classifier
                final String suggestedClassifier;
                if (config.isTestConfig()
                        || !file.getName().equals("feature.json")
                        || !file.getParentFile()
                                .getAbsolutePath()
                                .equals(new File(info.project.getBasedir(), config.getFeaturesDir())
                                        .getAbsolutePath())) {
                    final int lastDot = file.getName().lastIndexOf('.');
                    suggestedClassifier = file.getName().substring(0, lastDot);
                } else {
                    suggestedClassifier = null;
                }

                final String readJson = ProjectHelper.readFeatureFile(
                        info.project,
                        file,
                        suggestedClassifier,
                        config.isEnableLegacyVariableReplacement(),
                        config.isEnableProjectVariableReplacement(),
                        config.getReplacePropertyVariables());

                final String json = preprocessFeature(info.project, config.isValidate(), file, readJson);

                try (final Reader reader = new StringReader(json)) {
                    final Feature feature = FeatureJSONReader.read(reader, file.getAbsolutePath());

                    ProjectHelper.checkFeatureId(info.project, feature);

                    // Extension handling
                    JSONFeatures.handleExtensions(feature, file);

                    // Default metadata
                    JSONFeatures.handleDefaultMetadata(feature, ProjectHelper.getDefaultMetadata(info.project));

                    ProjectHelper.setFeatureInfo(info.project, feature);

                    this.postProcessReadFeature(feature);
                    (config.isTestConfig() ? info.testFeatures : info.features)
                            .put(file.toPath().normalize().toFile().getAbsolutePath(), feature);

                } catch (final IOException io) {
                    throw new RuntimeException("Unable to read feature " + file.getAbsolutePath(), io);
                }
            }
        } else {
            logger.debug("Feature directory " + config.getFeaturesDir() + " does not exist in project "
                    + info.project.getId());
        }
    }