/**
* Transmit a text file to the server, using the standard CVS protocol conventions. CR/LFs are
* converted to the Unix format.
*
* @param file the file to transmit
* @param dos the data outputstream on which to transmit the file
*/
@Override
public void transmitTextFile(File file, LoggedDataOutputStream dos) throws IOException {
if (file == null || !file.exists()) {
throw new IllegalArgumentException(
"File is either null or " + "does not exist. Cannot transmit.");
}
File fileToSend = file;
final TransmitTextFilePreprocessor transmitTextFilePreprocessor =
getTransmitTextFilePreprocessor();
if (transmitTextFilePreprocessor != null) {
fileToSend = transmitTextFilePreprocessor.getPreprocessedTextFile(file);
}
BufferedInputStream bis = null;
try {
// first write the length of the file
long length = fileToSend.length();
dos.writeBytes(getLengthString(length), "US-ASCII");
bis = new BufferedInputStream(new FileInputStream(fileToSend));
// now transmit the file itself
byte[] chunk = new byte[CHUNK_SIZE];
while (length > 0) {
int bytesToRead = length >= CHUNK_SIZE ? CHUNK_SIZE : (int) length;
int count = bis.read(chunk, 0, bytesToRead);
if (count == -1) {
throw new IOException("Unexpected end of stream from " + fileToSend + ".");
}
length -= count;
dos.write(chunk, 0, count);
}
dos.flush();
} finally {
if (bis != null) {
try {
bis.close();
} catch (IOException ex) {
// ignore
}
}
if (transmitTextFilePreprocessor != null) {
transmitTextFilePreprocessor.cleanup(fileToSend);
}
}
}
/**
* Process all the requests. The connection must have been opened and set first.
*
* @param requests the requets to process
*/
public void processRequests(List requests)
throws IOException, UnconfiguredRequestException, ResponseException, CommandAbortedException {
if (requests == null || requests.size() == 0) {
throw new IllegalArgumentException(
"[processRequests] requests "
+ // NOI18N
"was either null or empty."); // NOI18N
}
if (abort) {
throw new CommandAbortedException(
"Aborted during request processing", // NOI18N
CommandException.getLocalMessage("Client.commandAborted", null)); // NOI18N
}
loggedDataInputStream = null;
loggedDataOutputStream = null;
// send the initialisation requests if we are handling the first
// command
boolean filterRootRequest = true;
if (isFirstCommand()) {
setIsFirstCommand(false);
int pos = 0;
if (!initialRequestsSent) {
pos = fillInitialRequests(requests);
initialRequestsSent = true;
filterRootRequest = false;
}
if (globalOptions != null) {
// sends the global options that are to be sent to server (-q, -Q, -t, -n, l)
for (Iterator it = globalOptions.createRequestList().iterator(); it.hasNext(); ) {
Request request = (Request) it.next();
requests.add(pos++, request);
}
if (globalOptions.isUseGzip() && globalOptions.getCompressionLevel() != 0) {
requests.add(pos++, new GzipFileContentsRequest(globalOptions.getCompressionLevel()));
}
}
} else if (printConnectionReuseWarning) {
if (System.getProperty("javacvs.multiple_commands_warning") == null) { // NOI18N
System.err.println("WARNING TO DEVELOPERS:"); // NOI18N
System.err.println(
"Please be warned that attempting to reuse one open connection for more commands is not supported by cvs servers very well."); // NOI18N
System.err.println("You are advised to open a new Connection each time."); // NOI18N
System.err.println(
"If you still want to proceed, please do: System.setProperty(\"javacvs.multiple_commands_warning\", \"false\")"); // NOI18N
System.err.println("That will disable this message."); // NOI18N
}
}
if (!ALLOWED_CONNECTION_REUSE_REQUESTS.contains(requests.get(requests.size() - 1).getClass())) {
printConnectionReuseWarning = true;
}
final boolean fireEnhancedEvents = getEventManager().isFireEnhancedEventSet();
int fileDetailRequestCount = 0;
if (fireEnhancedEvents) {
for (Iterator it = requests.iterator(); it.hasNext(); ) {
Request request = (Request) it.next();
FileDetails fileDetails = request.getFileForTransmission();
if (fileDetails != null && fileDetails.getFile().exists()) {
fileDetailRequestCount++;
}
}
CVSEvent event =
new EnhancedMessageEvent(
this, EnhancedMessageEvent.REQUESTS_COUNT, new Integer(fileDetailRequestCount));
getEventManager().fireCVSEvent(event);
}
LoggedDataOutputStream dos = connection.getOutputStream();
loggedDataOutputStream = dos;
// this list stores stream modification requests, each to be called
// to modify the input stream the next time we need to process a
// response
List streamModifierRequests = new LinkedList();
// sending files does not seem to allow compression
transmitFileHandler = getUncompressedFileHandler();
for (Iterator it = requests.iterator(); it.hasNext(); ) {
if (abort) {
throw new CommandAbortedException(
"Aborted during request processing", // NOI18N
CommandException.getLocalMessage("Client.commandAborted", null)); // NOI18N
}
final Request request = (Request) it.next();
if (request instanceof GzipFileContentsRequest) {
if (dontUseGzipFileHandler) {
stderr.println(
"Warning: The server is not supporting gzip-file-contents request, no compression is used.");
continue;
}
}
// skip the root request if already sent
if (request instanceof RootRequest) {
if (filterRootRequest) {
continue;
} else { // Even if we should not filter the RootRequest now, we must filter all successive
// RootRequests
filterRootRequest = true;
}
}
// send request to server
String requestString = request.getRequestString();
dos.writeBytes(requestString);
// we must modify the outputstream now, but defer modification
// of the inputstream until we are about to read a response.
// This is because some modifiers (e.g. gzip) read the header
// on construction, and obviously no header is present when
// no response has been sent
request.modifyOutputStream(connection);
if (request.modifiesInputStream()) {
streamModifierRequests.add(request);
}
dos = connection.getOutputStream();
FileDetails fileDetails = request.getFileForTransmission();
if (fileDetails != null) {
final File file = fileDetails.getFile();
// only transmit the file if it exists! When committing
// a remove request you cannot transmit the file
if (file.exists()) {
Logger.logOutput(
new String(
"<Sending file: "
+ // NOI18N
file.getAbsolutePath()
+ ">\n")
.getBytes("utf8")); // NOI18N
if (fireEnhancedEvents) {
CVSEvent event =
new EnhancedMessageEvent(this, EnhancedMessageEvent.FILE_SENDING, file);
getEventManager().fireCVSEvent(event);
fileDetailRequestCount--;
}
if (fileDetails.isBinary()) {
transmitFileHandler.transmitBinaryFile(file, dos);
} else {
transmitFileHandler.transmitTextFile(file, dos);
}
if (fireEnhancedEvents && fileDetailRequestCount == 0) {
CVSEvent event =
new EnhancedMessageEvent(this, EnhancedMessageEvent.REQUESTS_SENT, "Ok"); // NOI18N
getEventManager().fireCVSEvent(event);
}
}
}
if (request.isResponseExpected()) {
dos.flush();
// now perform the deferred modification of the input stream
Iterator modifiers = streamModifierRequests.iterator();
while (modifiers.hasNext()) {
System.err.println("Modifying the inputstream..."); // NOI18N
final Request smRequest = (Request) modifiers.next();
System.err.println(
"Request is a: "
+ // NOI18N
smRequest.getClass().getName());
smRequest.modifyInputStream(connection);
}
streamModifierRequests.clear();
handleResponse();
}
}
dos.flush();
transmitFileHandler = null;
}