public static void transformToOSGiBundle()

in jbi/deployer/src/main/java/org/apache/servicemix/jbi/deployer/handler/Transformer.java [78:135]
51 lines of code
10 McCabe index (conditional complexity)

    public static void transformToOSGiBundle(File jbiArtifact, File osgiBundle, Properties properties) throws Exception {
        JarFile jar = new JarFile(jbiArtifact);
        Manifest m = jar.getManifest();
        if (m == null) {
            m = new Manifest();
            m.getMainAttributes().putValue("Manifest-Version", "1.0");
        }
        JarEntry jarEntry = jar.getJarEntry(DescriptorFactory.DESCRIPTOR_FILE);
        InputStream is = jar.getInputStream(jarEntry);
        Descriptor desc = DescriptorFactory.buildDescriptor(is);

        String version = m.getMainAttributes().getValue("Implementation-Version");
        if (version != null) {
            version = Builder.cleanupVersion(version);
        } else {
            version = "0.0.0";
        }
        String name = m.getMainAttributes().getValue("Implementation-Title");

        if (desc.getComponent() != null) {
            name = desc.getComponent().getIdentification().getName();
        } else if (desc.getSharedLibrary() != null) {
            name = desc.getSharedLibrary().getIdentification().getName();
        } else if (desc.getServiceAssembly() != null) {
            name = desc.getServiceAssembly().getIdentification().getName();
        }

        m.getMainAttributes().putValue("Bundle-SymbolicName", name);
        m.getMainAttributes().putValue("Bundle-Version", version);
        m.getMainAttributes().putValue("DynamicImport-Package", "javax.*,org.xml.*,org.w3c.*");

        if (properties != null) {
            Enumeration en = properties.propertyNames();
            while (en.hasMoreElements()) {
                String k = (String) en.nextElement();
                String v = properties.getProperty(k);
                m.getMainAttributes().putValue(k, v);
            }
        }

        osgiBundle.getParentFile().mkdirs();
        JarInputStream jis = new JarInputStream(new BufferedInputStream(new FileInputStream(jbiArtifact)));
        JarOutputStream jos = new JarOutputStream(new BufferedOutputStream(new FileOutputStream(osgiBundle)), m);

        JarEntry entry = jis.getNextJarEntry();
        while (entry != null) {
            if (!"META-INF/MANIFEST.MF".equals(entry.getName())) {
                JarEntry newEntry = new JarEntry(entry.getName());
                jos.putNextEntry(newEntry);
                FileUtil.copyInputStream(jis, jos);
                jos.closeEntry();
            }
            entry = jis.getNextJarEntry();
        }

        jos.close();
        jis.close();
    }