code: private StringBuffer readDWRScript(String classpath) {
  		StringBuffer sb = null;
  		try {
  			InputStream is = ClassLoaderResourceUtils.getResourceAsStream(classpath, this);
  			ReadableByteChannel chan = Channels.newChannel(is);
  			Reader r = Channels.newReader(chan,"utf-8");
  			StringWriter sw = new StringWriter();
              IOUtils.copy(r, sw, true);
  			sb = sw.getBuffer();
  			
  		} catch (FileNotFoundException e) {
  			throw new BundlingProcessException(e);
  		} catch (IOException e) {
  			throw new BundlingProcessException(e);
  		}
  		
  		return sb;
  	}
docs: Read a DWR utils script from the classpath.
  @param classpath
  @return