private List findFactoryCandidates()

in commands/src/main/java/org/jclouds/karaf/commands/table/internal/osgi/OSGiScriptEngineManager.java [260:295]

33 lines of code
10 McCabe index (conditional complexity)


   private List<String> findFactoryCandidates(BundleContext context) {
      Bundle[] bundles = context.getBundles();
      List<String> factoryCandidates = new ArrayList<String>();
      for (Bundle bundle : bundles) {
         if (bundle == null) {
            continue;
         }

         if (bundle.getSymbolicName().equals("system.bundle")) {
            continue;
         }
         Enumeration<URL> urls = bundle.findEntries("META-INF/services",
               "javax.script.ScriptEngineFactory", false);
         if (urls == null) {
            continue;
         }

         while (urls.hasMoreElements()) {
            URL u = (URL) urls.nextElement();
            try {
               BufferedReader reader = new BufferedReader(
                     new InputStreamReader(u.openStream()));
               String line;
               while ((line = reader.readLine()) != null) {
                  line = line.trim();
                  // ignore comments and empty lines
                  if (!line.isEmpty() && !line.startsWith("#")) {
                     factoryCandidates.add(line);
                  }
               }
            } catch (IOException ignored) {
            }
         }
      }
      return factoryCandidates;
   }