/**
* 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);
}
}
/**
* Ensures, that the connection is open.
*
* @throws AuthenticationException if it wasn't possible to connect
*/
public void ensureConnection() throws AuthenticationException {
BugLog.getInstance().assertNotNull(getConnection());
if (getConnection().isOpen()) {
return;
}
// #69689 detect silent servers, possibly caused by proxy errors
final Throwable ex[] = new Throwable[1];
final boolean opened[] = new boolean[] {false};
Runnable probe =
new Runnable() {
public void run() {
try {
getConnection().open();
synchronized (opened) {
opened[0] = true;
}
} catch (Throwable e) {
synchronized (ex) {
ex[0] = e;
}
}
}
};
Thread probeThread = new Thread(probe, "CVS Server Probe"); // NOI18N
probeThread.start();
try {
probeThread.join(60 * 1000); // 1 min
Throwable wasEx;
synchronized (ex) {
wasEx = ex[0];
}
if (wasEx != null) {
if (wasEx instanceof CommandAbortedException) {
// User cancelled
abort();
return;
} else if (wasEx instanceof AuthenticationException) {
throw (AuthenticationException) wasEx;
} else if (wasEx instanceof RuntimeException) {
throw (RuntimeException) wasEx;
} else if (wasEx instanceof Error) {
throw (Error) wasEx;
} else {
assert false : wasEx;
}
}
boolean wasOpened;
synchronized (opened) {
wasOpened = opened[0];
}
if (wasOpened == false) {
probeThread.interrupt();
throw new AuthenticationException(
"Timeout, no response from server.", "Timeout, no response from server.");
}
} catch (InterruptedException e) {
// User cancelled
probeThread.interrupt();
abort();
}
}
