private Set findKarafFeatures()

in tooling/camel-catalog-generator-karaf-maven-plugin/src/main/java/org/apache/camel/karaf/maven/PrepareCatalogKarafMojo.java [257:297]

35 lines of code
8 McCabe index (conditional complexity)


    private Set<String> findKarafFeatures() throws MojoExecutionException, MojoFailureException {
        // load features.xml file and parse it

        Set<String> answer = new LinkedHashSet<>();
        File file = new File(featuresDir, "features.xml");
        try (InputStream is = new FileInputStream(file)) {
            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
            dbf.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
            dbf.setIgnoringComments(true);
            dbf.setIgnoringElementContentWhitespace(true);
            dbf.setNamespaceAware(false);
            dbf.setValidating(false);
            dbf.setXIncludeAware(false);
            dbf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, Boolean.TRUE);
            Document dom = dbf.newDocumentBuilder().parse(is);

            NodeList children = dom.getElementsByTagName("features");
            for (int i = 0; i < children.getLength(); i++) {
                Node child = children.item(i);
                if (child.getNodeType() == Node.ELEMENT_NODE) {
                    NodeList children2 = child.getChildNodes();
                    for (int j = 0; j < children2.getLength(); j++) {
                        Node child2 = children2.item(j);
                        if ("feature".equals(child2.getNodeName())) {
                            String artifactId = child2.getAttributes().getNamedItem("name").getTextContent();
                            if (artifactId != null && artifactId.startsWith("camel-")) {
                                answer.add(artifactId);
                            }
                        }
                    }
                }
            }

            getLog().info("Found " + answer.size() + " Camel features in file: " + file);

        } catch (Exception e) {
            throw new MojoExecutionException("Error reading features.xml file", e);
        }

        return answer;
    }