public void load()

in gshell/gshell-features/src/main/java/org/apache/servicemix/kernel/gshell/features/internal/RepositoryImpl.java [82:150]
68 lines of code
17 McCabe index (conditional complexity)

    public void load() throws IOException {
        try {
            repositories = new ArrayList<URI>();
            features = new ArrayList<Feature>();
            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
            Document doc = factory.newDocumentBuilder().parse(uri.toURL().openStream());
            NodeList nodes = doc.getDocumentElement().getChildNodes();
            for (int i = 0; i < nodes.getLength(); i++) {
                Node node = nodes.item(i);
                if (!(node instanceof Element)) {
                    continue;
                }
                if ("repository".equals(node.getNodeName())) {
                    Element e = (Element) nodes.item(i);
                    repositories.add(new URI(e.getTextContent()));
                } else if ("feature".equals(node.getNodeName())) {
                    Element e = (Element) nodes.item(i);
                    String name = e.getAttribute("name");
                    String version = e.getAttribute("version");
                    FeatureImpl f;
                    if (version != null && version.length() > 0) {
                        f = new FeatureImpl(name, version);
                    } else {
                        f = new FeatureImpl(name);
                    }

                    NodeList featureNodes = e.getElementsByTagName("feature");
                    for (int j = 0; j < featureNodes.getLength(); j++) {
                        Element b = (Element) featureNodes.item(j);
                        String dependencyFeatureVersion = b.getAttribute("version");
                        if (dependencyFeatureVersion != null && dependencyFeatureVersion.length() > 0) {
                        	f.addDependency(new FeatureImpl(b.getTextContent(), dependencyFeatureVersion));
                        } else {
                        	f.addDependency(new FeatureImpl(b.getTextContent()));
                        }
                    }
                    NodeList configNodes = e.getElementsByTagName("config");
                    for (int j = 0; j < configNodes.getLength(); j++) {
                        Element c = (Element) configNodes.item(j);
                        String cfgName = c.getAttribute("name");
                        String data = c.getTextContent();
                        Properties properties = new Properties();
                        properties.load(new ByteArrayInputStream(data.getBytes()));
                        interpolation(properties);
                        Map<String, String> hashtable = new Hashtable<String, String>();
                        for (Object key : properties.keySet()) {
                            String n = key.toString();
                            hashtable.put(n, properties.getProperty(n));
                        }
                        f.addConfig(cfgName, hashtable);
                    }
                    NodeList bundleNodes = e.getElementsByTagName("bundle");
                    for (int j = 0; j < bundleNodes.getLength(); j++) {
                        Element b = (Element) bundleNodes.item(j);
                        f.addBundle(b.getTextContent());
                    }
                    features.add(f);
                }
            }
        } catch (SAXException e) {
            throw (IOException) new IOException().initCause(e);
        } catch (ParserConfigurationException e) {
            throw (IOException) new IOException().initCause(e);
        } catch (URISyntaxException e) {
            throw (IOException) new IOException(e.getMessage() + " : " + uri).initCause(e);
        } catch (IllegalArgumentException e) {
            throw (IOException) new IOException(e.getMessage() + " : " + uri).initCause(e);
        }
    }