void checkForErrors() {
for (Class<? extends ResponseException> errorClass : ERROR_CLASSES) {
ResponseException messageError;
try {
messageError = errorClass.newInstance();
messageError.setCommand(this.cmd);
} catch (InstantiationException e) {
throw new RuntimeException(e);
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
}
if (messageError.isError(rawData)) {
throw messageError;
}
}
}
/**
* Override this to customize the server.
*
* <p>
*
* <p>(By default, this delegates to serveFile() and allows directory listing.)
*
* @param session The HTTP session
* @return HTTP response, see class Response for details
*/
public Response serve(IHTTPSession session) {
Map<String, String> files = new HashMap<String, String>();
Method method = session.getMethod();
if (Method.PUT.equals(method) || Method.POST.equals(method)) {
try {
session.parseBody(files);
} catch (IOException ioe) {
return new Response(
Response.Status.INTERNAL_ERROR,
MIME_PLAINTEXT,
"SERVER INTERNAL ERROR: IOException: " + ioe.getMessage());
} catch (ResponseException re) {
return new Response(re.getStatus(), MIME_PLAINTEXT, re.getMessage());
}
}
Map<String, String> parms = session.getParms();
parms.put(QUERY_STRING_PARAMETER, session.getQueryParameterString());
return serve(session.getUri(), method, session.getHeaders(), parms, files);
}
@Override
public void execute() throws IOException {
try {
// Read the first 8192 bytes.
// The full header should fit in here.
// Apache's default header limit is 8KB.
// Do NOT assume that a single read will get the entire header
// at once!
byte[] buf = new byte[BUFSIZE];
splitbyte = 0;
rlen = 0;
{
int read = -1;
try {
read = inputStream.read(buf, 0, BUFSIZE);
} catch (Exception e) {
safeClose(inputStream);
safeClose(outputStream);
throw new SocketException("NanoHttpd Shutdown");
}
if (read == -1) {
// socket was been closed
safeClose(inputStream);
safeClose(outputStream);
throw new SocketException("NanoHttpd Shutdown");
}
while (read > 0) {
rlen += read;
splitbyte = findHeaderEnd(buf, rlen);
if (splitbyte > 0) break;
read = inputStream.read(buf, rlen, BUFSIZE - rlen);
}
}
if (splitbyte < rlen) {
inputStream.unread(buf, splitbyte, rlen - splitbyte);
}
parms = new HashMap<String, String>();
if (null == headers) {
headers = new HashMap<String, String>();
}
// Create a BufferedReader for parsing the header.
BufferedReader hin =
new BufferedReader(new InputStreamReader(new ByteArrayInputStream(buf, 0, rlen)));
// Decode the header into parms and header java properties
Map<String, String> pre = new HashMap<String, String>();
decodeHeader(hin, pre, parms, headers);
method = Method.lookup(pre.get("method"));
if (method == null) {
throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Syntax error.");
}
uri = pre.get("uri");
cookies = new CookieHandler(headers);
// Ok, now do the serve()
Response r = serve(this);
if (r == null) {
throw new ResponseException(
Response.Status.INTERNAL_ERROR,
"SERVER INTERNAL ERROR: Serve() returned a null response.");
} else {
cookies.unloadQueue(r);
r.setRequestMethod(method);
r.send(outputStream);
}
} catch (SocketException e) {
// throw it out to close socket object (finalAccept)
throw e;
} catch (SocketTimeoutException ste) {
throw ste;
} catch (IOException ioe) {
Response r =
new Response(
Response.Status.INTERNAL_ERROR,
MIME_PLAINTEXT,
"SERVER INTERNAL ERROR: IOException: " + ioe.getMessage());
r.send(outputStream);
safeClose(outputStream);
} catch (ResponseException re) {
Response r = new Response(re.getStatus(), MIME_PLAINTEXT, re.getMessage());
r.send(outputStream);
safeClose(outputStream);
} finally {
tempFileManager.clear();
}
}
/**
* Handle the response from a request.
*
* @throws ResponseException if there is a problem reading the response
*/
private void handleResponse() throws ResponseException, CommandAbortedException {
try {
LoggedDataInputStream dis = connection.getInputStream();
loggedDataInputStream = dis;
int ch = -1;
try {
ch = dis.read();
} catch (InterruptedIOException ex) {
abort();
}
while (!abort && ch != -1) {
StringBuffer responseNameBuffer = new StringBuffer();
// read in the response name
while (ch != -1 && (char) ch != '\n' && (char) ch != ' ') {
responseNameBuffer.append((char) ch);
try {
ch = dis.read();
} catch (InterruptedIOException ex) {
abort();
break;
}
}
String responseString = responseNameBuffer.toString();
Response response = getResponseFactory().createResponse(responseString);
// Logger.logInput(new String("<" + responseString + " processing start>\n").getBytes()); //
// NOI18N
response.process(dis, this);
boolean terminal = response.isTerminalResponse();
// handle SpecialResponses
if (terminal && response instanceof ErrorMessageResponse) {
ErrorMessageResponse errorResponce = (ErrorMessageResponse) response;
String errMsg = errorResponce.getMessage();
throw new CommandAbortedException(errMsg, errMsg);
}
// Logger.logInput(new String("<" + responseString + " processed " + terminal +
// ">\n").getBytes()); // NOI18N
if (terminal || abort) {
break;
}
try {
ch = dis.read();
} catch (InterruptedIOException ex) {
abort();
break;
}
}
if (abort) {
String localMsg = CommandException.getLocalMessage("Client.commandAborted", null); // NOI18N
throw new CommandAbortedException("Aborted during request processing", localMsg); // NOI18N
}
} catch (EOFException ex) {
throw new ResponseException(
ex, ResponseException.getLocalMessage("CommandException.EndOfFile", null)); // NOI18N
} catch (IOException ex) {
throw new ResponseException(ex);
}
}
