public void handle(HttpExchange exchange) throws IOException
{
assertEquals("HTTP/1.1", exchange.getProtocol());
assertEquals("POST", exchange.getRequestMethod());
Headers headers = exchange.getRequestHeaders();
assertTrue (headers.containsKey("foo"));
String val = headers.getFirst("foo");
assertEquals ("fooValue", val);
assertNotNull (exchange.getHttpContext());
assertEquals ("/foo", exchange.getHttpContext().getPath());