Hey,
Due to our search engine for one of our sites being hosted on a
separate domain, we can't do AJAX requests to the original domain.
This isn't much of a problem, as I figured I'd just use HttpClient to
make a servlet which is a proxy to the Apache server.
So... to ensure session state is still maintained, which is a
requirement, I will just proxy the cookies the client sends me as
well.
I made the following method (the connection manager and parameters are
final static members of the class):
private HttpEntity proxyRequest(String baseUrl, String
getParameters, Cookie[] cookies) throws Exception
{
DefaultHttpClient httpClient = new DefaultHttpClient(connManager,
httpParams);
HttpContext context = new BasicHttpContext(httpClient.getDefaultContext());
HttpGet request = new HttpGet(baseUrl + basketUri);
CookieStore cookieStore = httpClient.getCookieStore();
for (Cookie c : cookies)
{
BasicClientCookie newCookie = new BasicClientCookie(c.getName(),
c.getValue());
newCookie.setDomain(c.getDomain());
newCookie.setPath(c.getPath());
newCookie.setComment(c.getComment());
if (c.getMaxAge() > 0)
{
long expiryTime = new Date().getTime() + c.getMaxAge();
newCookie.setExpiryDate(new Date(expiryTime));
}
cookieStore.addCookie(newCookie);
}
HttpResponse response = httpClient.execute(request, context);
HttpEntity entity = response.getEntity();
if (entity == null)
{
throw new NoHttpResponseException("Basket request failed to
return a response.");
}
return entity;
}
The Cookie[] I pass in, is an array of cookies are received by
HttpServletRequest.getCookies().
I stepped the code, and the addCookie() method is definitely being
called. When recieving the response on the other side, I make a dump
of all received cookies to the output. This output is received by
HttpClient and returned to the servlet's output stream.
Then what I'm getting is a dump of "0" cookies. So the request is
successful, but the cookies added to the store is not being sent to
the client.
Can anyone see what I'm doing wrong?
--
Quintin Beukes
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