public Boolean fileExists(ServerDetailsDTO conDetails, String filePath) {
FileObject fileObject = null;
StandardFileSystemManager manager = null;
try {
manager = new StandardFileSystemManager();
manager.init();
UserAuthenticator auth =
new StaticUserAuthenticator(null, conDetails.getUserName(), conDetails.getPassword());
FileSystemOptions opts = new FileSystemOptions();
DefaultFileSystemConfigBuilder.getInstance().setUserAuthenticator(opts, auth);
SftpFileSystemConfigBuilder.getInstance().setStrictHostKeyChecking(opts, "no");
String fileUri = buildUri(conDetails, filePath);
fileObject = manager.resolveFile(fileUri, opts);
return fileObject.exists() && fileObject.isReadable();
} catch (FileSystemException e) {
log.error("cannot access the server", e);
} finally {
try {
if (fileObject != null) {
((SftpFileSystem) fileObject.getFileSystem()).closeCommunicationLink();
FileSystem fs = null;
fs = fileObject.getFileSystem();
manager.closeFileSystem(fs);
}
} finally {
}
}
return null;
}
public byte[] readFile(ServerDetailsDTO conDetails, String filePath) throws IOException {
FileObject fileObject = null;
StandardFileSystemManager manager = null;
try {
manager = new StandardFileSystemManager();
manager.init();
UserAuthenticator auth =
new StaticUserAuthenticator(null, conDetails.getUserName(), conDetails.getPassword());
FileSystemOptions opts = new FileSystemOptions();
DefaultFileSystemConfigBuilder.getInstance().setUserAuthenticator(opts, auth);
SftpFileSystemConfigBuilder.getInstance().setStrictHostKeyChecking(opts, "no");
String fileUri = buildUri(conDetails, filePath);
fileObject = manager.resolveFile(fileUri, opts);
if (fileObject.isReadable()) {
InputStream is = fileObject.getContent().getInputStream();
int size = (int) fileObject.getContent().getSize();
byte[] fileContent = new byte[size];
for (int index = 0; size > 0; index += 4000, size -= 4000) {
is.read(fileContent, index, size < 4000 ? size : 4000);
if (Thread.currentThread().isInterrupted()) {
return null;
}
}
return fileContent;
}
return null;
} finally {
try {
if (fileObject != null) {
fileObject.getContent().close();
((SftpFileSystem) fileObject.getFileSystem()).closeCommunicationLink();
FileSystem fs = null;
fs = fileObject.getFileSystem();
manager.closeFileSystem(fs);
}
} finally {
}
}
}
public Result execute(Result previousResult, int nr, Repository rep, Job parentJob) {
LogWriter log = LogWriter.getInstance();
Result result = previousResult;
result.setResult(false);
if (filename != null) {
String realFilename = getRealFilename();
try {
FileObject file = KettleVFS.getFileObject(realFilename);
if (file.exists() && file.isReadable()) {
log.logDetailed(
toString(),
Messages.getString("JobEntryFileExists.File_Exists", realFilename)); // $NON-NLS-1$
result.setResult(true);
} else {
log.logDetailed(
toString(),
Messages.getString(
"JobEntryFileExists.File_Does_Not_Exist", realFilename)); // $NON-NLS-1$
}
} catch (IOException e) {
result.setNrErrors(1);
log.logError(
toString(),
Messages.getString(
"JobEntryFileExists.ERROR_0004_IO_Exception", e.toString())); // $NON-NLS-1$
}
} else {
result.setNrErrors(1);
log.logError(
toString(),
Messages.getString("JobEntryFileExists.ERROR_0005_No_Filename_Defined")); // $NON-NLS-1$
}
return result;
}
public Object execute(final CommandContext context) throws Exception {
assert context != null;
IO io = context.getIo();
FileObject file = resolveFile(context, path);
io.println("URL: {}", file.getURL());
io.println("Name: {}", file.getName());
io.println("BaseName: {}", file.getName().getBaseName());
io.println("Extension: {}", file.getName().getExtension());
io.println("Path: {}", file.getName().getPath());
io.println("Scheme: {}", file.getName().getScheme());
io.println("URI: {}", file.getName().getURI());
io.println("Root URI: {}", file.getName().getRootURI());
io.println("Parent: {}", file.getName().getParent());
io.println("Type: {}", file.getType());
io.println("Exists: {}", file.exists());
io.println("Readable: {}", file.isReadable());
io.println("Writeable: {}", file.isWriteable());
io.println("Root path: {}", file.getFileSystem().getRoot().getName().getPath());
if (file.exists()) {
FileContent content = file.getContent();
FileContentInfo contentInfo = content.getContentInfo();
io.println("Content type: {}", contentInfo.getContentType());
io.println("Content encoding: {}", contentInfo.getContentEncoding());
try {
// noinspection unchecked
Map<String, Object> attrs = content.getAttributes();
if (attrs != null && !attrs.isEmpty()) {
io.println("Attributes:");
for (Map.Entry<String, Object> entry : attrs.entrySet()) {
io.println(" {}='{}'", entry.getKey(), entry.getValue());
}
}
} catch (FileSystemException e) {
io.println("File attributes are NOT supported");
}
try {
Certificate[] certs = content.getCertificates();
if (certs != null && certs.length != 0) {
io.println("Certificate:");
for (Certificate cert : certs) {
io.println(" {}", cert);
}
}
} catch (FileSystemException e) {
io.println("File certificates are NOT supported");
}
if (file.getType().equals(FileType.FILE)) {
io.println("Size: {} bytes", content.getSize());
} else if (file.getType().hasChildren() && file.isReadable()) {
FileObject[] children = file.getChildren();
io.println("Directory with {} files", children.length);
for (int iterChildren = 0; iterChildren < children.length; iterChildren++) {
io.println("#{}:{}", iterChildren, children[iterChildren].getName());
if (iterChildren > 5) {
break;
}
}
}
io.println(
"Last modified: {}",
DateFormat.getInstance().format(new Date(content.getLastModifiedTime())));
} else {
io.println("The file does not exist");
}
FileObjects.close(file);
return Result.SUCCESS;
}
