// Ensures that reply field is non-null
//
private void build() throws IOException {
Request.Action action = request.action();
if ((action != Request.Action.GET) && (action != Request.Action.HEAD)) {
reply = new Reply(Reply.Code.METHOD_NOT_ALLOWED, new StringContent(request.toString()));
}
reply = new Reply(Reply.Code.OK, new FileContent(request.uri()), action);
}
ExchangeImpl(String m, URI u, Request req, int len, HttpConnection connection)
throws IOException {
this.req = req;
this.reqHdrs = req.headers();
this.rspHdrs = new Headers();
this.method = m;
this.uri = u;
this.connection = connection;
this.reqContentLen = len;
/* ros only used for headers, body written directly to stream */
this.ros = req.outputStream();
this.ris = req.inputStream();
server = getServerImpl();
server.startExchange();
}
// When parse is successfull, saves request and returns true
//
private boolean parse() throws IOException {
try {
request = Request.parse(rbb);
return true;
} catch (MalformedRequestException x) {
reply = new Reply(Reply.Code.BAD_REQUEST, new StringContent(x));
}
return false;
}
// Returns true when request is complete
// May expand rbb if more room required
//
private boolean receive(SelectionKey sk) throws IOException {
ByteBuffer tmp = null;
if (requestReceived) {
return true;
}
if (!cio.doHandshake(sk)) {
return false;
}
if ((cio.read() < 0) || Request.isComplete(cio.getReadBuf())) {
rbb = cio.getReadBuf();
return (requestReceived = true);
}
return false;
}
public void sendResponseHeaders(int rCode, long contentLen) throws IOException {
if (sentHeaders) {
throw new IOException("headers already sent");
}
this.rcode = rCode;
String statusLine = "HTTP/1.1 " + rCode + Code.msg(rCode) + "\r\n";
OutputStream tmpout = new BufferedOutputStream(ros);
PlaceholderOutputStream o = getPlaceholderResponseBody();
tmpout.write(bytes(statusLine, 0), 0, statusLine.length());
boolean noContentToSend = false; // assume there is content
rspHdrs.set("Date", df.format(new Date()));
if (contentLen == 0) {
if (http10) {
o.setWrappedStream(new UndefLengthOutputStream(this, ros));
close = true;
} else {
rspHdrs.set("Transfer-encoding", "chunked");
o.setWrappedStream(new ChunkedOutputStream(this, ros));
}
} else {
if (contentLen == -1) {
noContentToSend = true;
contentLen = 0;
}
/* content len might already be set, eg to implement HEAD resp */
if (rspHdrs.getFirst("Content-length") == null) {
rspHdrs.set("Content-length", Long.toString(contentLen));
}
o.setWrappedStream(new FixedLengthOutputStream(this, ros, contentLen));
}
write(rspHdrs, tmpout);
this.rspContentLen = contentLen;
tmpout.flush();
tmpout = null;
sentHeaders = true;
if (noContentToSend) {
WriteFinishedEvent e = new WriteFinishedEvent(this);
server.addEvent(e);
closed = true;
}
server.logReply(rCode, req.requestLine(), null);
}
public String getProtocol() {
String reqline = req.requestLine();
int index = reqline.lastIndexOf(' ');
return reqline.substring(index + 1);
}
