/**
* Creates the response received from the target host.
*
* @param home Home host
* @param dest Destination URL
* @param rsp Response received from the target host
* @return Response
*/
private Response response(final String home, final URI dest, final com.jcabi.http.Response rsp) {
final Collection<String> hdrs = new LinkedList<String>();
hdrs.add(String.format("X-Takes-TkProxy: from %s to %s by %s", home, dest, this.label));
for (final Map.Entry<String, List<String>> entry : rsp.headers().entrySet()) {
for (final String value : entry.getValue()) {
final String val;
if (TkProxy.isHost(entry.getKey())) {
val = this.target.toString();
} else {
val = value;
}
hdrs.add(String.format("%s: %s", entry.getKey(), val));
}
}
return new RsWithStatus(
new RsWithBody(new RsWithHeaders(hdrs), rsp.binary()), rsp.status(), rsp.reason());
}
/**
* Creates the request to be forwarded to the target host.
*
* @param req Original request
* @param dest Destination URL
* @return Request to be forwarded
* @throws IOException If some problem inside
*/
private com.jcabi.http.Request request(final Request req, final URI dest) throws IOException {
final String method = new RqMethod.Base(req).method();
com.jcabi.http.Request proxied = new JdkRequest(dest).method(method);
final RqHeaders headers = new RqHeaders.Base(req);
for (final String name : headers.names()) {
if ("content-length".equals(name.toLowerCase(Locale.ENGLISH))) {
continue;
}
if (TkProxy.isHost(name)) {
proxied = proxied.header(name, this.target);
continue;
}
for (final String value : headers.header(name)) {
proxied = proxied.header(name, value);
}
}
if (headers.header("Content-Length").iterator().hasNext()
|| headers.header("Transfer-Encoding").iterator().hasNext()) {
final ByteArrayOutputStream output = new ByteArrayOutputStream();
new RqPrint(new RqLengthAware(req)).printBody(output);
proxied = proxied.body().set(output.toByteArray()).back();
}
return proxied;
}