Request buildRequest() {
RequestBuilder builder = new RequestBuilder(method);
builder.setUrl(url);
builder.setQueryParams(new FluentStringsMap(queryParameters));
builder.setHeaders(headers);
if (body == null) {
// do nothing
} else if (body instanceof String) {
String stringBody = ((String) body);
FluentCaseInsensitiveStringsMap headers = new FluentCaseInsensitiveStringsMap(this.headers);
// Detect and maybe add charset
String contentType = headers.getFirstValue(HttpHeaders.Names.CONTENT_TYPE);
if (contentType == null) {
contentType = "text/plain";
}
Charset charset = HttpUtils.parseCharset(contentType);
if (charset == null) {
charset = StandardCharsets.UTF_8;
List<String> contentTypeList = new ArrayList<String>();
contentTypeList.add(contentType + "; charset=utf-8");
headers.replace(HttpHeaders.Names.CONTENT_TYPE, contentTypeList);
}
byte[] bodyBytes;
bodyBytes = stringBody.getBytes(charset);
// If using a POST with OAuth signing, the builder looks at
// getFormParams() rather than getBody() and constructs the signature
// based on the form params.
if (contentType.equals(HttpHeaders.Values.APPLICATION_X_WWW_FORM_URLENCODED)) {
Map<String, List<String>> stringListMap =
FormUrlEncodedParser.parseAsJava(stringBody, "utf-8");
for (String key : stringListMap.keySet()) {
List<String> values = stringListMap.get(key);
for (String value : values) {
builder.addFormParam(key, value);
}
}
} else {
builder.setBody(stringBody);
}
builder.setHeaders(headers);
builder.setBodyCharset(charset);
} else if (body instanceof JsonNode) {
JsonNode jsonBody = (JsonNode) body;
FluentCaseInsensitiveStringsMap headers = new FluentCaseInsensitiveStringsMap(this.headers);
List<String> contentType = new ArrayList<String>();
contentType.add("application/json; charset=utf-8");
headers.replace(HttpHeaders.Names.CONTENT_TYPE, contentType);
String bodyStr = Json.stringify(jsonBody);
byte[] bodyBytes;
try {
bodyBytes = bodyStr.getBytes("utf-8");
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
builder.setBody(bodyStr);
builder.setHeaders(headers);
builder.setBodyCharset(StandardCharsets.UTF_8);
} else if (body instanceof File) {
File fileBody = (File) body;
FileBodyGenerator bodyGenerator = new FileBodyGenerator(fileBody);
builder.setBody(bodyGenerator);
} else if (body instanceof InputStream) {
InputStream inputStreamBody = (InputStream) body;
InputStreamBodyGenerator bodyGenerator = new InputStreamBodyGenerator(inputStreamBody);
builder.setBody(bodyGenerator);
} else if (body instanceof Source) {
Source<ByteString, ?> sourceBody = (Source<ByteString, ?>) body;
Publisher<ByteBuffer> publisher =
sourceBody.map(ByteString::toByteBuffer).runWith(Sink.asPublisher(false), materializer);
builder.setBody(publisher);
} else {
throw new IllegalStateException("Impossible body: " + body);
}
if (this.timeout == -1 || this.timeout > 0) {
builder.setRequestTimeout(this.timeout);
}
if (this.followRedirects != null) {
builder.setFollowRedirect(this.followRedirects);
}
if (this.virtualHost != null) {
builder.setVirtualHost(this.virtualHost);
}
if (this.username != null && this.password != null && this.scheme != null) {
builder.setRealm(auth(this.username, this.password, this.scheme));
}
if (this.calculator != null) {
if (this.calculator instanceof OAuth.OAuthCalculator) {
OAuthSignatureCalculator calc = ((OAuth.OAuthCalculator) this.calculator).getCalculator();
builder.setSignatureCalculator(calc);
} else {
throw new IllegalStateException("Use OAuth.OAuthCalculator");
}
}
return builder.build();
}
public NettyRequest newNettyRequest(
Request request, boolean forceConnect, ProxyServer proxyServer) throws IOException {
Uri uri = request.getUri();
HttpMethod method = forceConnect ? HttpMethod.CONNECT : HttpMethod.valueOf(request.getMethod());
boolean connect = method == HttpMethod.CONNECT;
boolean allowConnectionPooling =
config.isAllowPoolingConnections()
&& (!HttpUtils.isSecure(uri) || config.isAllowPoolingSslConnections());
HttpVersion httpVersion =
!allowConnectionPooling || (connect && proxyServer.isForceHttp10())
? HttpVersion.HTTP_1_0
: HttpVersion.HTTP_1_1;
String requestUri = requestUri(uri, proxyServer, connect);
NettyBody body = body(request, connect);
HttpRequest httpRequest;
NettyRequest nettyRequest;
if (body instanceof NettyDirectBody) {
ChannelBuffer buffer = NettyDirectBody.class.cast(body).channelBuffer();
httpRequest = new DefaultHttpRequest(httpVersion, method, requestUri);
// body is passed as null as it's written directly with the request
httpRequest.setContent(buffer);
nettyRequest = new NettyRequest(httpRequest, null);
} else {
httpRequest = new DefaultHttpRequest(httpVersion, method, requestUri);
nettyRequest = new NettyRequest(httpRequest, body);
}
HttpHeaders headers = httpRequest.headers();
if (!connect) {
// assign headers as configured on request
for (Entry<String, List<String>> header : request.getHeaders()) {
headers.set(header.getKey(), header.getValue());
}
if (isNonEmpty(request.getCookies()))
headers.set(COOKIE, CookieEncoder.encode(request.getCookies()));
if (config.isCompressionEnforced() && !headers.contains(ACCEPT_ENCODING))
headers.set(ACCEPT_ENCODING, GZIP_DEFLATE);
}
if (body != null) {
if (body.getContentLength() < 0) headers.set(TRANSFER_ENCODING, HttpHeaders.Values.CHUNKED);
else headers.set(CONTENT_LENGTH, body.getContentLength());
if (body.getContentType() != null) headers.set(CONTENT_TYPE, body.getContentType());
}
// connection header and friends
boolean webSocket = isWebSocket(uri.getScheme());
if (!connect && webSocket) {
String origin =
"http://"
+ uri.getHost()
+ ":"
+ (uri.getPort() == -1 ? isSecure(uri.getScheme()) ? 443 : 80 : uri.getPort());
headers
.set(UPGRADE, HttpHeaders.Values.WEBSOCKET) //
.set(CONNECTION, HttpHeaders.Values.UPGRADE) //
.set(ORIGIN, origin) //
.set(SEC_WEBSOCKET_KEY, getKey()) //
.set(SEC_WEBSOCKET_VERSION, "13");
} else if (!headers.contains(CONNECTION)) {
String connectionHeaderValue =
connectionHeader(allowConnectionPooling, httpVersion == HttpVersion.HTTP_1_1);
if (connectionHeaderValue != null) headers.set(CONNECTION, connectionHeaderValue);
}
if (!headers.contains(HOST)) headers.set(HOST, hostHeader(request, uri));
Realm realm = request.getRealm() != null ? request.getRealm() : config.getRealm();
// don't override authorization but append
addAuthorizationHeader(headers, systematicAuthorizationHeader(request, realm));
setProxyAuthorizationHeader(
headers, systematicProxyAuthorizationHeader(request, proxyServer, realm, connect));
// Add default accept headers
if (!headers.contains(ACCEPT)) headers.set(ACCEPT, "*/*");
// Add default user agent
if (!headers.contains(USER_AGENT) && config.getUserAgent() != null)
headers.set(USER_AGENT, config.getUserAgent());
return nettyRequest;
}