* Extract a bundle manifest from an IFile representing a bundle
* @param file The bundle to extract the manifest from
* @return bundle manifest
*/
private BundleManifest getBundleManifest(IFile file) throws IOException {
BundleManifest mf = null;
InputStream in = null;
try {
in = file.open();
mf = BundleManifest.fromBundle(in);
} finally {