Java Code Examples for org.apache.commons.net.ftp.FTPReply#isPositivePreliminary()
The following examples show how to use
org.apache.commons.net.ftp.FTPReply#isPositivePreliminary() .
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Example 1
| Source File: FTPOperationHandler.java From CloverETL-Engine with GNU Lesser General Public License v2.1 | 6 votes |
|
@Override
public ReadableByteChannel read() throws IOException {
FTPClient ftp = null;
try {
ftp = connect(uri);
InputStream is = ftp.retrieveFileStream(getPath(uri));
if (is == null) {
throw new IOException(ftp.getReplyString());
}
int replyCode = ftp.getReplyCode();
if (!FTPReply.isPositiveIntermediate(replyCode) && !FTPReply.isPositivePreliminary(replyCode)) {
is.close();
throw new IOException(ftp.getReplyString());
}
return Channels.newChannel(new FTPInputStream(is, ftp));
} catch (Throwable t) {
disconnect(ftp);
if (t instanceof IOException) {
throw (IOException) t;
} else {
throw new IOException(t);
}
}
}
Example 2
| Source File: NetUtils.java From ApprovalTests.Java with Apache License 2.0 | 6 votes |
|
private static void assertValidReplyCode(int code, FTPClient ftp)
{
if (FTPReply.isPositiveCompletion(code))
{
//good
SimpleLogger.variable("Good Completion code " + code);
}
else if (FTPReply.isPositiveIntermediate(code))
{
// do nothing
SimpleLogger.variable("Good Intermediate code " + code);
}
else if (FTPReply.isPositivePreliminary(code))
{
// do nothing
SimpleLogger.variable("Good Preliminary code " + code);
}
else
{
// bad
throw new Error("Problem encountered with FTP Server, returned Code " + code + ", replied '"
+ ftp.getReplyString() + "'");
}
}
Example 3
| Source File: FTPFileSystem.java From hadoop with Apache License 2.0 | 5 votes |
|
@Override
public FSDataInputStream open(Path file, int bufferSize) throws IOException {
FTPClient client = connect();
Path workDir = new Path(client.printWorkingDirectory());
Path absolute = makeAbsolute(workDir, file);
FileStatus fileStat = getFileStatus(client, absolute);
if (fileStat.isDirectory()) {
disconnect(client);
throw new FileNotFoundException("Path " + file + " is a directory.");
}
client.allocate(bufferSize);
Path parent = absolute.getParent();
// Change to parent directory on the
// server. Only then can we read the
// file
// on the server by opening up an InputStream. As a side effect the working
// directory on the server is changed to the parent directory of the file.
// The FTP client connection is closed when close() is called on the
// FSDataInputStream.
client.changeWorkingDirectory(parent.toUri().getPath());
InputStream is = client.retrieveFileStream(file.getName());
FSDataInputStream fis = new FSDataInputStream(new FTPInputStream(is,
client, statistics));
if (!FTPReply.isPositivePreliminary(client.getReplyCode())) {
// The ftpClient is an inconsistent state. Must close the stream
// which in turn will logout and disconnect from FTP server
fis.close();
throw new IOException("Unable to open file: " + file + ", Aborting");
}
return fis;
}
Example 4
| Source File: FTPFileSystem.java From big-c with Apache License 2.0 | 5 votes |
|
@Override
public FSDataInputStream open(Path file, int bufferSize) throws IOException {
FTPClient client = connect();
Path workDir = new Path(client.printWorkingDirectory());
Path absolute = makeAbsolute(workDir, file);
FileStatus fileStat = getFileStatus(client, absolute);
if (fileStat.isDirectory()) {
disconnect(client);
throw new FileNotFoundException("Path " + file + " is a directory.");
}
client.allocate(bufferSize);
Path parent = absolute.getParent();
// Change to parent directory on the
// server. Only then can we read the
// file
// on the server by opening up an InputStream. As a side effect the working
// directory on the server is changed to the parent directory of the file.
// The FTP client connection is closed when close() is called on the
// FSDataInputStream.
client.changeWorkingDirectory(parent.toUri().getPath());
InputStream is = client.retrieveFileStream(file.getName());
FSDataInputStream fis = new FSDataInputStream(new FTPInputStream(is,
client, statistics));
if (!FTPReply.isPositivePreliminary(client.getReplyCode())) {
// The ftpClient is an inconsistent state. Must close the stream
// which in turn will logout and disconnect from FTP server
fis.close();
throw new IOException("Unable to open file: " + file + ", Aborting");
}
return fis;
}
Example 5
| Source File: PooledFTPConnection.java From CloverETL-Engine with GNU Lesser General Public License v2.1 | 5 votes |
|
/**
* If the stream cannot be opened, the connection is closed
* (returned to the pool).
*
* @param path
* @param mode
* @return
* @throws IOException
*/
public OutputStream getOutputStream(String path, WriteMode mode) throws IOException {
try {
OutputStream os = (mode == WriteMode.APPEND) ? ftp.appendFileStream(path) : ftp.storeFileStream(path);
if (os == null) {
throw new IOException(ftp.getReplyString());
}
int replyCode = ftp.getReplyCode();
if (!FTPReply.isPositiveIntermediate(replyCode) && !FTPReply.isPositivePreliminary(replyCode)) {
os.close();
throw new IOException(ftp.getReplyString());
}
os = new CloseOnceOutputStream (new BufferedOutputStream(os) {
@Override
public void close() throws IOException {
try {
super.close();
} finally {
try {
if (!ftp.completePendingCommand()) {
throw new IOException(FileOperationMessages.getString("FTPOperationHandler.failed_to_close_stream")); //$NON-NLS-1$
}
} finally {
returnToPool();
}
}
}
}, null);
return os;
} catch (Exception e) {
returnToPool();
throw getIOException(e);
}
}
Example 6
| Source File: FTPOperationHandler.java From CloverETL-Engine with GNU Lesser General Public License v2.1 | 5 votes |
|
@Override
public WritableByteChannel write() throws IOException {
FTPClient ftp = null;
try {
ftp = connect(uri);
Info info = info(uri, ftp);
if ((info != null) && info.isDirectory()) {
throw new IOException(MessageFormat.format(FileOperationMessages.getString("IOperationHandler.exists_not_file"), uri)); //$NON-NLS-1$
}
OutputStream os = ftp.storeFileStream(getPath(uri));
if (os == null) {
throw new IOException(ftp.getReplyString());
}
int replyCode = ftp.getReplyCode();
if (!FTPReply.isPositiveIntermediate(replyCode) && !FTPReply.isPositivePreliminary(replyCode)) {
os.close();
throw new IOException(ftp.getReplyString());
}
return Channels.newChannel(new FTPOutputStream(os, ftp));
} catch (Throwable t) {
disconnect(ftp);
if (t instanceof IOException) {
throw (IOException) t;
} else {
throw new IOException(t);
}
}
}
Example 7
| Source File: FTPOperationHandler.java From CloverETL-Engine with GNU Lesser General Public License v2.1 | 5 votes |
|
@Override
public WritableByteChannel append() throws IOException {
FTPClient ftp = null;
try {
ftp = connect(uri);
Info info = info(uri, ftp);
if ((info != null) && info.isDirectory()) {
throw new IOException(MessageFormat.format(FileOperationMessages.getString("IOperationHandler.exists_not_file"), uri)); //$NON-NLS-1$
}
OutputStream os = ftp.appendFileStream(getPath(uri));
if (os == null) {
throw new IOException(ftp.getReplyString());
}
int replyCode = ftp.getReplyCode();
if (!FTPReply.isPositiveIntermediate(replyCode) && !FTPReply.isPositivePreliminary(replyCode)) {
os.close();
throw new IOException(ftp.getReplyString());
}
return Channels.newChannel(new FTPOutputStream(os, ftp));
} catch (Throwable t) {
disconnect(ftp);
if (t instanceof IOException) {
throw (IOException) t;
} else {
throw new IOException(t);
}
}
}
Example 8
| Source File: PooledFTPOperationHandler.java From CloverETL-Engine with GNU Lesser General Public License v2.1 | 5 votes |
|
private boolean createFile(FTPClient ftp, String path) throws IOException {
log.debug(MessageFormat.format("Creating {0}", path));
ftp.storeFile(path, new ByteArrayInputStream(new byte[0]));
int replyCode = ftp.getReplyCode();
boolean result = FTPReply.isPositiveCompletion(replyCode) || FTPReply.isPositiveIntermediate(replyCode) || FTPReply.isPositivePreliminary(replyCode);
if (!result) {
result = FTPReply.isPositiveCompletion(replyCode);
log.debug(MessageFormat.format("Failed to create {0}: {1}", path, ftp.getReplyString()));
}
return result;
}
Example 9
| Source File: FTPFileSystem.java From RDFS with Apache License 2.0 | 5 votes |
|
@Override
public FSDataInputStream open(Path file, int bufferSize) throws IOException {
FTPClient client = connect();
Path workDir = new Path(client.printWorkingDirectory());
Path absolute = makeAbsolute(workDir, file);
FileStatus fileStat = getFileStatus(client, absolute);
if (fileStat.isDir()) {
disconnect(client);
throw new IOException("Path " + file + " is a directory.");
}
client.allocate(bufferSize);
Path parent = absolute.getParent();
// Change to parent directory on the
// server. Only then can we read the
// file
// on the server by opening up an InputStream. As a side effect the working
// directory on the server is changed to the parent directory of the file.
// The FTP client connection is closed when close() is called on the
// FSDataInputStream.
client.changeWorkingDirectory(parent.toUri().getPath());
InputStream is = client.retrieveFileStream(file.getName());
FSDataInputStream fis = new FSDataInputStream(new FTPInputStream(is,
client, statistics));
if (!FTPReply.isPositivePreliminary(client.getReplyCode())) {
// The ftpClient is an inconsistent state. Must close the stream
// which in turn will logout and disconnect from FTP server
fis.close();
throw new IOException("Unable to open file: " + file + ", Aborting");
}
return fis;
}
Example 10
| Source File: FTPFileSystem.java From hadoop-gpu with Apache License 2.0 | 5 votes |
|
@Override
public FSDataInputStream open(Path file, int bufferSize) throws IOException {
FTPClient client = connect();
Path workDir = new Path(client.printWorkingDirectory());
Path absolute = makeAbsolute(workDir, file);
FileStatus fileStat = getFileStatus(client, absolute);
if (fileStat.isDir()) {
disconnect(client);
throw new IOException("Path " + file + " is a directory.");
}
client.allocate(bufferSize);
Path parent = absolute.getParent();
// Change to parent directory on the
// server. Only then can we read the
// file
// on the server by opening up an InputStream. As a side effect the working
// directory on the server is changed to the parent directory of the file.
// The FTP client connection is closed when close() is called on the
// FSDataInputStream.
client.changeWorkingDirectory(parent.toUri().getPath());
InputStream is = client.retrieveFileStream(file.getName());
FSDataInputStream fis = new FSDataInputStream(new FTPInputStream(is,
client, statistics));
if (!FTPReply.isPositivePreliminary(client.getReplyCode())) {
// The ftpClient is an inconsistent state. Must close the stream
// which in turn will logout and disconnect from FTP server
fis.close();
throw new IOException("Unable to open file: " + file + ", Aborting");
}
return fis;
}
Example 11
| Source File: FTPFileSystem.java From hadoop with Apache License 2.0 | 4 votes |
|
/**
* A stream obtained via this call must be closed before using other APIs of
* this class or else the invocation will block.
*/
@Override
public FSDataOutputStream create(Path file, FsPermission permission,
boolean overwrite, int bufferSize, short replication, long blockSize,
Progressable progress) throws IOException {
final FTPClient client = connect();
Path workDir = new Path(client.printWorkingDirectory());
Path absolute = makeAbsolute(workDir, file);
FileStatus status;
try {
status = getFileStatus(client, file);
} catch (FileNotFoundException fnfe) {
status = null;
}
if (status != null) {
if (overwrite && !status.isDirectory()) {
delete(client, file, false);
} else {
disconnect(client);
throw new FileAlreadyExistsException("File already exists: " + file);
}
}
Path parent = absolute.getParent();
if (parent == null || !mkdirs(client, parent, FsPermission.getDirDefault())) {
parent = (parent == null) ? new Path("/") : parent;
disconnect(client);
throw new IOException("create(): Mkdirs failed to create: " + parent);
}
client.allocate(bufferSize);
// Change to parent directory on the server. Only then can we write to the
// file on the server by opening up an OutputStream. As a side effect the
// working directory on the server is changed to the parent directory of the
// file. The FTP client connection is closed when close() is called on the
// FSDataOutputStream.
client.changeWorkingDirectory(parent.toUri().getPath());
FSDataOutputStream fos = new FSDataOutputStream(client.storeFileStream(file
.getName()), statistics) {
@Override
public void close() throws IOException {
super.close();
if (!client.isConnected()) {
throw new FTPException("Client not connected");
}
boolean cmdCompleted = client.completePendingCommand();
disconnect(client);
if (!cmdCompleted) {
throw new FTPException("Could not complete transfer, Reply Code - "
+ client.getReplyCode());
}
}
};
if (!FTPReply.isPositivePreliminary(client.getReplyCode())) {
// The ftpClient is an inconsistent state. Must close the stream
// which in turn will logout and disconnect from FTP server
fos.close();
throw new IOException("Unable to create file: " + file + ", Aborting");
}
return fos;
}
Example 12
| Source File: FTPFileSystem.java From big-c with Apache License 2.0 | 4 votes |
|
/**
* A stream obtained via this call must be closed before using other APIs of
* this class or else the invocation will block.
*/
@Override
public FSDataOutputStream create(Path file, FsPermission permission,
boolean overwrite, int bufferSize, short replication, long blockSize,
Progressable progress) throws IOException {
final FTPClient client = connect();
Path workDir = new Path(client.printWorkingDirectory());
Path absolute = makeAbsolute(workDir, file);
FileStatus status;
try {
status = getFileStatus(client, file);
} catch (FileNotFoundException fnfe) {
status = null;
}
if (status != null) {
if (overwrite && !status.isDirectory()) {
delete(client, file, false);
} else {
disconnect(client);
throw new FileAlreadyExistsException("File already exists: " + file);
}
}
Path parent = absolute.getParent();
if (parent == null || !mkdirs(client, parent, FsPermission.getDirDefault())) {
parent = (parent == null) ? new Path("/") : parent;
disconnect(client);
throw new IOException("create(): Mkdirs failed to create: " + parent);
}
client.allocate(bufferSize);
// Change to parent directory on the server. Only then can we write to the
// file on the server by opening up an OutputStream. As a side effect the
// working directory on the server is changed to the parent directory of the
// file. The FTP client connection is closed when close() is called on the
// FSDataOutputStream.
client.changeWorkingDirectory(parent.toUri().getPath());
FSDataOutputStream fos = new FSDataOutputStream(client.storeFileStream(file
.getName()), statistics) {
@Override
public void close() throws IOException {
super.close();
if (!client.isConnected()) {
throw new FTPException("Client not connected");
}
boolean cmdCompleted = client.completePendingCommand();
disconnect(client);
if (!cmdCompleted) {
throw new FTPException("Could not complete transfer, Reply Code - "
+ client.getReplyCode());
}
}
};
if (!FTPReply.isPositivePreliminary(client.getReplyCode())) {
// The ftpClient is an inconsistent state. Must close the stream
// which in turn will logout and disconnect from FTP server
fos.close();
throw new IOException("Unable to create file: " + file + ", Aborting");
}
return fos;
}
Example 13
| Source File: Client.java From anthelion with Apache License 2.0 | 4 votes |
|
protected Socket __openPassiveDataConnection(int command, String arg)
throws IOException, FtpExceptionCanNotHaveDataConnection {
Socket socket;
// // 20040317, xing, accommodate ill-behaved servers, see below
// int port_previous = __passivePort;
if (pasv() != FTPReply.ENTERING_PASSIVE_MODE)
throw new FtpExceptionCanNotHaveDataConnection(
"pasv() failed. " + getReplyString());
try {
__parsePassiveModeReply(getReplyStrings()[0]);
} catch (MalformedServerReplyException e) {
throw new FtpExceptionCanNotHaveDataConnection(e.getMessage());
}
// // 20040317, xing, accommodate ill-behaved servers, see above
// int count = 0;
// System.err.println("__passivePort "+__passivePort);
// System.err.println("port_previous "+port_previous);
// while (__passivePort == port_previous) {
// // just quit if too many tries. make it an exception here?
// if (count++ > 10)
// return null;
// // slow down further for each new try
// Thread.sleep(500*count);
// if (pasv() != FTPReply.ENTERING_PASSIVE_MODE)
// throw new FtpExceptionCanNotHaveDataConnection(
// "pasv() failed. " + getReplyString());
// //return null;
// try {
// __parsePassiveModeReply(getReplyStrings()[0]);
// } catch (MalformedServerReplyException e) {
// throw new FtpExceptionCanNotHaveDataConnection(e.getMessage());
// }
// }
socket = _socketFactory_.createSocket(__passiveHost, __passivePort);
if (!FTPReply.isPositivePreliminary(sendCommand(command, arg))) {
socket.close();
return null;
}
if (__remoteVerificationEnabled && !verifyRemote(socket))
{
InetAddress host1, host2;
host1 = socket.getInetAddress();
host2 = getRemoteAddress();
socket.close();
// our precaution
throw new FtpExceptionCanNotHaveDataConnection(
"Host attempting data connection " + host1.getHostAddress() +
" is not same as server " + host2.getHostAddress() +
" So we intentionally close it for security precaution."
);
}
if (__dataTimeout >= 0)
socket.setSoTimeout(__dataTimeout);
return socket;
}
Example 14
| Source File: FTPFileSystem.java From RDFS with Apache License 2.0 | 4 votes |
|
/**
* A stream obtained via this call must be closed before using other APIs of
* this class or else the invocation will block.
*/
@Override
public FSDataOutputStream create(Path file, FsPermission permission,
boolean overwrite, int bufferSize, short replication, long blockSize,
Progressable progress) throws IOException {
final FTPClient client = connect();
Path workDir = new Path(client.printWorkingDirectory());
Path absolute = makeAbsolute(workDir, file);
if (exists(client, file)) {
if (overwrite) {
delete(client, file);
} else {
disconnect(client);
throw new IOException("File already exists: " + file);
}
}
Path parent = absolute.getParent();
if (parent == null || !mkdirs(client, parent, FsPermission.getDefault())) {
parent = (parent == null) ? new Path("/") : parent;
disconnect(client);
throw new IOException("create(): Mkdirs failed to create: " + parent);
}
client.allocate(bufferSize);
// Change to parent directory on the server. Only then can we write to the
// file on the server by opening up an OutputStream. As a side effect the
// working directory on the server is changed to the parent directory of the
// file. The FTP client connection is closed when close() is called on the
// FSDataOutputStream.
client.changeWorkingDirectory(parent.toUri().getPath());
FSDataOutputStream fos = new FSDataOutputStream(client.storeFileStream(file
.getName()), statistics) {
@Override
public void close() throws IOException {
super.close();
if (!client.isConnected()) {
throw new FTPException("Client not connected");
}
boolean cmdCompleted = client.completePendingCommand();
disconnect(client);
if (!cmdCompleted) {
throw new FTPException("Could not complete transfer, Reply Code - "
+ client.getReplyCode());
}
}
};
if (!FTPReply.isPositivePreliminary(client.getReplyCode())) {
// The ftpClient is an inconsistent state. Must close the stream
// which in turn will logout and disconnect from FTP server
fos.close();
throw new IOException("Unable to create file: " + file + ", Aborting");
}
return fos;
}
Example 15
| Source File: Client.java From nutch-htmlunit with Apache License 2.0 | 4 votes |
|
/**
* open a passive data connection socket
* @param command
* @param arg
* @return
* @throws IOException
* @throws FtpExceptionCanNotHaveDataConnection
*/
protected Socket __openPassiveDataConnection(int command, String arg)
throws IOException, FtpExceptionCanNotHaveDataConnection {
Socket socket;
// // 20040317, xing, accommodate ill-behaved servers, see below
// int port_previous = __passivePort;
if (pasv() != FTPReply.ENTERING_PASSIVE_MODE)
throw new FtpExceptionCanNotHaveDataConnection(
"pasv() failed. " + getReplyString());
try {
__parsePassiveModeReply(getReplyStrings()[0]);
} catch (MalformedServerReplyException e) {
throw new FtpExceptionCanNotHaveDataConnection(e.getMessage());
}
// // 20040317, xing, accommodate ill-behaved servers, see above
// int count = 0;
// System.err.println("__passivePort "+__passivePort);
// System.err.println("port_previous "+port_previous);
// while (__passivePort == port_previous) {
// // just quit if too many tries. make it an exception here?
// if (count++ > 10)
// return null;
// // slow down further for each new try
// Thread.sleep(500*count);
// if (pasv() != FTPReply.ENTERING_PASSIVE_MODE)
// throw new FtpExceptionCanNotHaveDataConnection(
// "pasv() failed. " + getReplyString());
// //return null;
// try {
// __parsePassiveModeReply(getReplyStrings()[0]);
// } catch (MalformedServerReplyException e) {
// throw new FtpExceptionCanNotHaveDataConnection(e.getMessage());
// }
// }
socket = _socketFactory_.createSocket(__passiveHost, __passivePort);
if (!FTPReply.isPositivePreliminary(sendCommand(command, arg))) {
socket.close();
return null;
}
if (__remoteVerificationEnabled && !verifyRemote(socket))
{
InetAddress host1, host2;
host1 = socket.getInetAddress();
host2 = getRemoteAddress();
socket.close();
// our precaution
throw new FtpExceptionCanNotHaveDataConnection(
"Host attempting data connection " + host1.getHostAddress() +
" is not same as server " + host2.getHostAddress() +
" So we intentionally close it for security precaution."
);
}
if (__dataTimeout >= 0)
socket.setSoTimeout(__dataTimeout);
return socket;
}
Example 16
| Source File: FTPFileSystem.java From hadoop-gpu with Apache License 2.0 | 4 votes |
|
/**
* A stream obtained via this call must be closed before using other APIs of
* this class or else the invocation will block.
*/
@Override
public FSDataOutputStream create(Path file, FsPermission permission,
boolean overwrite, int bufferSize, short replication, long blockSize,
Progressable progress) throws IOException {
final FTPClient client = connect();
Path workDir = new Path(client.printWorkingDirectory());
Path absolute = makeAbsolute(workDir, file);
if (exists(client, file)) {
if (overwrite) {
delete(client, file);
} else {
disconnect(client);
throw new IOException("File already exists: " + file);
}
}
Path parent = absolute.getParent();
if (parent == null || !mkdirs(client, parent, FsPermission.getDefault())) {
parent = (parent == null) ? new Path("/") : parent;
disconnect(client);
throw new IOException("create(): Mkdirs failed to create: " + parent);
}
client.allocate(bufferSize);
// Change to parent directory on the server. Only then can we write to the
// file on the server by opening up an OutputStream. As a side effect the
// working directory on the server is changed to the parent directory of the
// file. The FTP client connection is closed when close() is called on the
// FSDataOutputStream.
client.changeWorkingDirectory(parent.toUri().getPath());
FSDataOutputStream fos = new FSDataOutputStream(client.storeFileStream(file
.getName()), statistics) {
@Override
public void close() throws IOException {
super.close();
if (!client.isConnected()) {
throw new FTPException("Client not connected");
}
boolean cmdCompleted = client.completePendingCommand();
disconnect(client);
if (!cmdCompleted) {
throw new FTPException("Could not complete transfer, Reply Code - "
+ client.getReplyCode());
}
}
};
if (!FTPReply.isPositivePreliminary(client.getReplyCode())) {
// The ftpClient is an inconsistent state. Must close the stream
// which in turn will logout and disconnect from FTP server
fos.close();
throw new IOException("Unable to create file: " + file + ", Aborting");
}
return fos;
}
