Example usage for org.apache.commons.net.ftp FTPFile isUnknown

Introduction

In this page you can find the example usage for org.apache.commons.net.ftp FTPFile isUnknown.

Prototype

public boolean isUnknown() 

Source Link

Document

Determine if the type of the file is unknown.

Usage

From source file:lucee.commons.io.res.type.ftp.FTPResource.java

@Override
public boolean exists() {
    try {/*from  w w  w  .j  a va 2  s  .c  o  m*/
        provider.read(this);
    } catch (IOException e) {
        return true;
    }
    FTPResourceClient client = null;
    InputStream is = null;
    try {
        //          getClient muss zuerst sein so wird verbindung geprueft
        client = provider.getClient(data);
        if (isRoot())
            return true;

        FTPFile file = client.getFTPFile(this);
        if (file != null) {
            return !file.isUnknown();
        }

        //String pathname = getInnerPath();
        String p = getInnerPath();
        if (!StringUtil.endsWith(p, '/'))
            p += "/";
        if (client.listNames(p) != null)
            return true;
        return false;
    } catch (IOException e) {
        return false;
    } finally {
        IOUtil.closeEL(is);
        provider.returnClient(client);
    }
}

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From source file:nl.esciencecenter.xenon.adaptors.filesystems.ftp.FtpFileSystem.java

private PathAttributes convertAttributes(Path path, FTPFile attributes) {

    PathAttributesImplementation result = new PathAttributesImplementation();

    result.setPath(path);/*www .  j  a v  a  2s .c  o  m*/
    result.setDirectory(attributes.isDirectory());
    result.setRegular(attributes.isFile());
    result.setOther(attributes.isUnknown());
    result.setSymbolicLink(attributes.isSymbolicLink());

    result.setLastModifiedTime(attributes.getTimestamp().getTimeInMillis());
    result.setCreationTime(attributes.getTimestamp().getTimeInMillis());
    result.setLastAccessTime(attributes.getTimestamp().getTimeInMillis());

    result.setSize(attributes.getSize());

    Set<PosixFilePermission> permission = getPermissions(attributes);

    result.setExecutable(permission.contains(PosixFilePermission.OWNER_EXECUTE));
    result.setReadable(permission.contains(PosixFilePermission.OWNER_READ));
    result.setWritable(permission.contains(PosixFilePermission.OWNER_WRITE));

    result.setPermissions(permission);

    result.setGroup(attributes.getGroup());
    result.setOwner(attributes.getUser());

    return result;
}

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From source file:org.apache.flume.source.FTPSource.java

@SuppressWarnings("UnnecessaryContinue")
public void discoverElements(FTPClient ftpClient, String parentDir, String currentDir, int level)
        throws IOException {

    String dirToList = parentDir;
    if (!currentDir.equals("")) {
        dirToList += "/" + currentDir;
    }/*from  w ww  .  j  av  a2 s  . co  m*/
    FTPFile[] subFiles = ftpClient.listFiles(dirToList);
    if (subFiles != null && subFiles.length > 0) {

        for (FTPFile aFile : subFiles) {
            String currentFileName = aFile.getName();
            if (currentFileName.equals(".") || currentFileName.equals("..")) {
                log.info("Skip parent directory and directory itself");
                continue;
            }

            if (aFile.isDirectory()) {
                log.info("[" + aFile.getName() + "]");
                ftpClient.changeWorkingDirectory(parentDir);
                discoverElements(ftpClient, dirToList, aFile.getName(), level + 1);
                continue;
            } else if (aFile.isFile()) { //aFile is a regular file
                ftpClient.changeWorkingDirectory(dirToList);
                existFileList.add(dirToList + "/" + aFile.getName()); //control of deleted files in server
                String fileName = aFile.getName();
                if (!(sizeFileList.containsKey(dirToList + "/" + aFile.getName()))) { //new file
                    ftpSourceCounter.incrementFilesCount();
                    InputStream inputStream = null;
                    try {
                        inputStream = ftpClient.retrieveFileStream(aFile.getName());
                        listener.fileStreamRetrieved();
                        readStream(inputStream, 0);
                        boolean success = inputStream != null && ftpClient.completePendingCommand(); //mandatory
                        if (success) {
                            sizeFileList.put(dirToList + "/" + aFile.getName(), aFile.getSize());
                            saveMap(sizeFileList);
                            ftpSourceCounter.incrementFilesProcCount();
                            log.info("discovered: " + fileName + " ," + sizeFileList.size());
                        } else {
                            handleProcessError(fileName);
                        }
                    } catch (FTPConnectionClosedException e) {
                        handleProcessError(fileName);
                        log.error("Ftp server closed connection ", e);
                        continue;
                    }

                    ftpClient.changeWorkingDirectory(dirToList);
                    continue;

                } else { //known file                        
                    long dif = aFile.getSize() - sizeFileList.get(dirToList + "/" + aFile.getName());
                    if (dif > 0) { //known and modified
                        long prevSize = sizeFileList.get(dirToList + "/" + aFile.getName());
                        InputStream inputStream = null;
                        try {
                            inputStream = ftpClient.retrieveFileStream(aFile.getName());
                            listener.fileStreamRetrieved();
                            readStream(inputStream, prevSize);

                            boolean success = inputStream != null && ftpClient.completePendingCommand(); //mandatory
                            if (success) {
                                sizeFileList.put(dirToList + "/" + aFile.getName(), aFile.getSize());
                                saveMap(sizeFileList);
                                ftpSourceCounter.incrementCountModProc();
                                log.info("modified: " + fileName + " ," + sizeFileList.size());
                            } else {
                                handleProcessError(fileName);
                            }
                        } catch (FTPConnectionClosedException e) {
                            log.error("Ftp server closed connection ", e);
                            handleProcessError(fileName);
                            continue;
                        }

                        ftpClient.changeWorkingDirectory(dirToList);
                        continue;
                    } else if (dif < 0) { //known and full modified
                        existFileList.remove(dirToList + "/" + aFile.getName()); //will be rediscovered as new file
                        saveMap(sizeFileList);
                        continue;
                    }
                    ftpClient.changeWorkingDirectory(parentDir);
                    continue;
                }
            } else if (aFile.isSymbolicLink()) {
                log.info(aFile.getName() + " is a link of " + aFile.getLink() + " access denied");
                ftpClient.changeWorkingDirectory(parentDir);
                continue;
            } else if (aFile.isUnknown()) {
                log.info(aFile.getName() + " unknown type of file");
                ftpClient.changeWorkingDirectory(parentDir);
                continue;
            } else {
                ftpClient.changeWorkingDirectory(parentDir);
                continue;
            }

        } //fin de bucle
    } //el listado no es vaco
}

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