FirstPassData (Object classSource) { ClassReader reader = null; if (classSource instanceof ClsFileImpl.FileContentPair) { reader = ((ClsFileImpl.FileContentPair)classSource).getContent(); } else if (classSource instanceof VirtualFile) { try { reader = new ClassReader(((VirtualFile)classSource).contentsToByteArray(false)); } catch (IOException ignored) { } } if (reader != null) { return fromReader(reader); } return NO_DATA; }