if (request == null) {
throw new IllegalArgumentException("HTTP request may not be null");
}
if (context == null) {
throw new IllegalArgumentException("HTTP context may not be null");
}
// Obtain cookie store
CookieStore cookieStore = (CookieStore) context.getAttribute(
ClientContext.COOKIE_STORE);
if (cookieStore == null) {
this.log.info("Cookie store not available in HTTP context");
return;
}
// Obtain the registry of cookie specs
CookieSpecRegistry registry= (CookieSpecRegistry) context.getAttribute(
ClientContext.COOKIESPEC_REGISTRY);
if (registry == null) {
this.log.info("CookieSpec registry not available in HTTP context");
return;
}
// Obtain the target host (required)
HttpHost targetHost = (HttpHost) context.getAttribute(
ExecutionContext.HTTP_TARGET_HOST);
if (targetHost == null) {
throw new IllegalStateException("Target host not specified in HTTP context");
}
// Obtain the client connection (required)
ManagedClientConnection conn = (ManagedClientConnection) context.getAttribute(
ExecutionContext.HTTP_CONNECTION);
if (conn == null) {
throw new IllegalStateException("Client connection not specified in HTTP context");
}
String policy = HttpClientParams.getCookiePolicy(request.getParams());
if (this.log.isDebugEnabled()) {
this.log.debug("CookieSpec selected: " + policy);
}
URI requestURI;
if (request instanceof HttpUriRequest) {
requestURI = ((HttpUriRequest) request).getURI();
} else {
try {
requestURI = new URI(request.getRequestLine().getUri());
} catch (URISyntaxException ex) {
throw new ProtocolException("Invalid request URI: " +
request.getRequestLine().getUri(), ex);
}
}
String hostName = targetHost.getHostName();
int port = targetHost.getPort();
if (port < 0) {
port = conn.getRemotePort();
}
CookieOrigin cookieOrigin = new CookieOrigin(
hostName,
port,
requestURI.getPath(),
conn.isSecure());
// Get an instance of the selected cookie policy
CookieSpec cookieSpec = registry.getCookieSpec(policy, request.getParams());
// Get all cookies available in the HTTP state
List<Cookie> cookies = new ArrayList<Cookie>(cookieStore.getCookies());
// Find cookies matching the given origin
List<Cookie> matchedCookies = new ArrayList<Cookie>();
for (Cookie cookie : cookies) {
if (cookieSpec.match(cookie, cookieOrigin)) {
if (this.log.isDebugEnabled()) {
this.log.debug("Cookie " + cookie + " match " + cookieOrigin);
}
matchedCookies.add(cookie);
}
}
// Generate Cookie request headers
if (!matchedCookies.isEmpty()) {
List<Header> headers = cookieSpec.formatCookies(matchedCookies);
for (Header header : headers) {
request.addHeader(header);
}
}
int ver = cookieSpec.getVersion();
if (ver > 0) {
boolean needVersionHeader = false;
for (Cookie cookie : matchedCookies) {
if (ver != cookie.getVersion()) {
needVersionHeader = true;
}
}
if (needVersionHeader) {
Header header = cookieSpec.getVersionHeader();
if (header != null) {
// Advertise cookie version support
request.addHeader(header);
}
}
}
// Stick the CookieSpec and CookieOrigin instances to the HTTP context
// so they could be obtained by the response interceptor
context.setAttribute(ClientContext.COOKIE_SPEC, cookieSpec);
context.setAttribute(ClientContext.COOKIE_ORIGIN, cookieOrigin);
