public byte[] transform(String className, InputStream is) throws IOException, IllegalClassFormatException {

		try {
			
			byte[] classBytes = readBytes(is);
			
			return transformer.transform(classLoader, className, null, null, classBytes);
			
		} finally {
			if (is != null){
				is.close();
			}
		}
	}
public byte [ ] transform ( String className , InputStream is ) throws IOException , IllegalClassFormatException { try { byte [ ] classBytes = readBytes ( is ) ; return transformer . transform ( classLoader , className , null , null , classBytes ) ; } finally { if ( is != null ) { is . close ( ) ; } } }
Transform a input stream.