public void substrateBundles()

in atomos.substrate.config/src/main/java/org/apache/felix/atomos/substrate/config/SubstrateService.java [51:142]
89 lines of code
15 McCabe index (conditional complexity)

    public void substrateBundles(File output) throws IOException
    {
        if (!output.isDirectory())
        {
            throw new IllegalArgumentException("Output file must be a directory.");
        }
        File atomosDir = new File(output, ATOMOS_BUNDLES);
        atomosDir.mkdir();
        List<String> resources = new ArrayList<String>();
        for (Bundle b : context.getBundles())
        {
            File bundleDir = new File(atomosDir, Long.toString(b.getBundleId()));
            resources.add(ATOMOS_BUNDLE);
            resources.add(Long.toString(b.getBundleId()));
            resources.add(b.getSymbolicName());
            resources.add(b.getVersion().toString());
            Enumeration<URL> entries = b.findEntries("/", "*", false);
            while (entries.hasMoreElements())
            {
                URL rootResource = entries.nextElement();
                String rootPath = rootResource.getPath();
                if (rootPath.startsWith("/"))
                {
                    rootPath = rootPath.substring(1);
                }
                // make sure this is not from a fragment
                if (!rootResource.equals(b.getEntry(rootPath)))
                {
                    continue;
                }
                if (!rootPath.endsWith("/"))
                {
                    // skip default package classes
                    if (!rootPath.endsWith(".class"))
                    {
                        resources.add(rootPath);
                        File resourceFile = new File(bundleDir, rootPath);
                        resourceFile.getParentFile().mkdirs();
                        try (InputStream in = rootResource.openStream())
                        {
                            Files.copy(rootResource.openStream(), resourceFile.toPath(),
                                StandardCopyOption.REPLACE_EXISTING);
                        }
                    }
                }
                else if (rootPath.contains("-"))
                {
                    Enumeration<URL> nonPackageEntry = b.findEntries(rootPath, "*", true);
                    while (nonPackageEntry.hasMoreElements())
                    {
                        URL resource = nonPackageEntry.nextElement();
                        String path = resource.getPath();
                        if (path.startsWith("/"))
                        {
                            path = path.substring(1);
                        }
                        // make sure this is not from a fragment
                        if (resource.equals(b.getEntry(path)))
                        {
                            resources.add(path);
                            if (!path.endsWith("/") && !isExcluded(path))
                            {
                                File resourceFile = new File(bundleDir, path);
                                resourceFile.getParentFile().mkdirs();
                                try (InputStream in = resource.openStream())
                                {
                                    Files.copy(resource.openStream(),
                                        resourceFile.toPath(),
                                        StandardCopyOption.REPLACE_EXISTING);
                                }
                            }
                        }
                    }
                }
            }
        }
        File bundlesIndex = new File(output, ATOMOS_BUNDLES_INDEX);
        try (BufferedWriter writer = new BufferedWriter(
            new OutputStreamWriter(new FileOutputStream(bundlesIndex))))
        {
            resources.forEach((l) -> {
                try
                {
                    writer.append(l).append('\n');
                }
                catch (IOException e)
                {
                    throw new UncheckedIOException(e);
                }
            });
        }
    }