public static DataEmitter getBodyDecoder(
DataEmitter emitter, RawHeaders headers, boolean server) {
long _contentLength;
try {
_contentLength = Long.parseLong(headers.get("Content-Length"));
} catch (Exception ex) {
_contentLength = -1;
}
final long contentLength = _contentLength;
if (-1 != contentLength) {
if (contentLength < 0) {
EndEmitter ender =
EndEmitter.create(
emitter.getServer(),
new BodyDecoderException(
"not using chunked encoding, and no content-length found."));
ender.setDataEmitter(emitter);
emitter = ender;
return emitter;
}
if (contentLength == 0) {
EndEmitter ender = EndEmitter.create(emitter.getServer(), null);
ender.setDataEmitter(emitter);
emitter = ender;
return emitter;
}
ContentLengthFilter contentLengthWatcher = new ContentLengthFilter(contentLength);
contentLengthWatcher.setDataEmitter(emitter);
emitter = contentLengthWatcher;
} else if ("chunked".equalsIgnoreCase(headers.get("Transfer-Encoding"))) {
ChunkedInputFilter chunker = new ChunkedInputFilter();
chunker.setDataEmitter(emitter);
emitter = chunker;
} else {
if ((server || headers.getStatusLine().contains("HTTP/1.1"))
&& !"close".equalsIgnoreCase(headers.get("Connection"))) {
// if this is the server, and the client has not indicated a request body, the client is
// done
EndEmitter ender = EndEmitter.create(emitter.getServer(), null);
ender.setDataEmitter(emitter);
emitter = ender;
return emitter;
}
}
if ("gzip".equals(headers.get("Content-Encoding"))) {
GZIPInputFilter gunzipper = new GZIPInputFilter();
gunzipper.setDataEmitter(emitter);
emitter = gunzipper;
} else if ("deflate".equals(headers.get("Content-Encoding"))) {
InflaterInputFilter inflater = new InflaterInputFilter();
inflater.setDataEmitter(emitter);
emitter = inflater;
}
// conversely, if this is the client (http 1.0), and the server has not indicated a request
// body, we do not report
// the close/end event until the server actually closes the connection.
return emitter;
}
public static AsyncHttpRequestBody getBody(
DataEmitter emitter, CompletedCallback reporter, RawHeaders headers) {
String contentType = headers.get("Content-Type");
if (contentType != null) {
String[] values = contentType.split(";");
for (int i = 0; i < values.length; i++) {
values[i] = values[i].trim();
}
for (String ct : values) {
if (UrlEncodedFormBody.CONTENT_TYPE.equals(ct)) {
return new UrlEncodedFormBody();
}
if (JSONObjectBody.CONTENT_TYPE.equals(ct)) {
return new JSONObjectBody();
}
if (StringBody.CONTENT_TYPE.equals(ct)) {
return new StringBody();
}
if (MultipartFormDataBody.CONTENT_TYPE.equals(ct)) {
return new MultipartFormDataBody(contentType, values);
}
}
}
return null;
}
public static boolean isKeepAlive(RawHeaders headers) {
boolean keepAlive;
String connection = headers.get("Connection");
if (connection != null) {
keepAlive = "keep-alive".equalsIgnoreCase(connection);
} else {
keepAlive = headers.getHttpMinorVersion() >= 1;
}
return keepAlive;
}
protected AsyncHttpRequestBody onUnknownBody(RawHeaders headers) {
return new UnknownRequestBody(headers.get("Content-Type"));
}
