gistfile1.java

    @Processor
    public String getDistance(@Optional @Default("San+Francisco") String origin,
                              String destination) throws Exception 
    {
        String effectiveUrl = String.format(PROTOTYPE_URL, origin, destination, distanceUnit);
        InputStream responseStream = new URL(effectiveUrl).openConnection().getInputStream();
        try 
        {
            return getXPath(responseStream, DISTANCE_XPATH);
        } 
        finally 
        {
            IOUtils.closeQuietly(responseStream);
        }
    }