Example usage for org.apache.commons.vfs2 FileObject createFolder

Introduction

In this page you can find the example usage for org.apache.commons.vfs2 FileObject createFolder.

Prototype

void createFolder() throws FileSystemException;

Source Link

Document

Creates this folder, if it does not exist.

Usage

From source file:org.apache.zeppelin.notebook.repo.VFSNotebookRepo.java

@Override
public void save(Note note) throws IOException {
    GsonBuilder gsonBuilder = new GsonBuilder();
    gsonBuilder.setPrettyPrinting();//  w  w w  .  ja v a 2 s . com
    Gson gson = gsonBuilder.create();
    String json = gson.toJson(note);

    FileObject rootDir = getRootDir();

    FileObject noteDir = rootDir.resolveFile(note.id(), NameScope.CHILD);

    if (!noteDir.exists()) {
        noteDir.createFolder();
    }
    if (!isDirectory(noteDir)) {
        throw new IOException(noteDir.getName().toString() + " is not a directory");
    }

    FileObject noteJson = noteDir.resolveFile("note.json", NameScope.CHILD);
    // false means not appending. creates file if not exists
    OutputStream out = noteJson.getContent().getOutputStream(false);
    out.write(json.getBytes(conf.getString(ConfVars.ZEPPELIN_ENCODING)));
    out.close();
}

---

From source file:org.celeria.minecraft.backup.ConfigurationModule.java

@CheckedProvides(FileProvider.class)
@BackupFolder//from   www . jav  a 2s  .  c  om
@Singleton
public FileObject provideBackupFolder(final Configuration configuration,
        final FileProvider<FileSystemManager> fileSystemProvider) throws FileSystemException {
    final String folderName = getProperty(configuration, BACKUP_FOLDER);
    final FileSystemManager fileSystemManager = fileSystemProvider.get();
    final FileObject folder = fileSystemManager.resolveFile(folderName);
    folder.createFolder();
    return folder;
}

---

From source file:org.celeria.minecraft.backup.TemporaryFolderProvider.java

private FileObject getChildFolder(final FileSystemManager fileSystem, final FileObject baseFolder,
        final String baseName) throws FileSystemException {
    for (int counter = 0; counter < TEMPORARY_FOLDER_ATTEMPTS; ++counter) {
        final FileObject temporaryFolder = fileSystem.resolveFile(baseFolder, baseName + counter);
        if (!temporaryFolder.exists()) {
            temporaryFolder.createFolder();
            return temporaryFolder;
        }//from  w w  w .  ja va  2  s.c  om
    }
    throw new FileSystemException("Failed to create directory within " + TEMPORARY_FOLDER_ATTEMPTS
            + " attempts (tried " + baseName + "0 to " + baseName + (TEMPORARY_FOLDER_ATTEMPTS - 1) + ')');
}

---

From source file:org.datacleaner.bootstrap.Bootstrap.java

/**
 * Looks up a file, either based on a user requested filename (typically a
 * CLI parameter, may be a URL) or by a relative filename defined in the
 * system-/*from   w  w  w .j  a v a  2  s.  c  o  m*/
 * 
 * @param userRequestedFilename
 *            the user requested filename, may be null
 * @param localFilename
 *            the relative filename defined by the system
 * @param userPreferences
 * @return
 * @throws FileSystemException
 */
private FileObject resolveFile(final String userRequestedFilename, final String localFilename,
        UserPreferences userPreferences) throws FileSystemException {
    final File dataCleanerHome = DataCleanerHome.getAsFile();
    if (userRequestedFilename == null) {
        File file = new File(dataCleanerHome, localFilename);
        return VFSUtils.toFileObject(file);
    } else {
        String lowerCaseFilename = userRequestedFilename.toLowerCase();
        if (lowerCaseFilename.startsWith("http://") || lowerCaseFilename.startsWith("https://")) {
            if (!GraphicsEnvironment.isHeadless()) {
                // download to a RAM file.
                final FileObject targetDirectory = VFSUtils.getFileSystemManager()
                        .resolveFile("ram:///datacleaner/temp");
                if (!targetDirectory.exists()) {
                    targetDirectory.createFolder();
                }

                final URI uri;
                try {
                    uri = new URI(userRequestedFilename);
                } catch (URISyntaxException e) {
                    throw new IllegalArgumentException("Illegal URI: " + userRequestedFilename, e);
                }

                final WindowContext windowContext = new SimpleWindowContext();

                MonitorConnection monitorConnection = null;

                // check if URI points to DC monitor. If so, make sure
                // credentials are entered.
                if (userPreferences != null && userPreferences.getMonitorConnection() != null) {
                    monitorConnection = userPreferences.getMonitorConnection();
                    if (monitorConnection.matchesURI(uri)) {
                        if (monitorConnection.isAuthenticationEnabled()) {
                            if (monitorConnection.getEncodedPassword() == null) {
                                final MonitorConnectionDialog dialog = new MonitorConnectionDialog(
                                        windowContext, userPreferences);
                                dialog.openBlocking();
                            }
                            monitorConnection = userPreferences.getMonitorConnection();
                        }
                    }
                }

                try (MonitorHttpClient httpClient = getHttpClient(monitorConnection)) {

                    final String[] urls = new String[] { userRequestedFilename };
                    final String[] targetFilenames = DownloadFilesActionListener.createTargetFilenames(urls);

                    final FileObject[] files = downloadFiles(urls, targetDirectory, targetFilenames,
                            windowContext, httpClient, monitorConnection);

                    assert files.length == 1;

                    final FileObject ramFile = files[0];

                    if (logger.isInfoEnabled()) {
                        final InputStream in = ramFile.getContent().getInputStream();
                        try {
                            final String str = FileHelper
                                    .readInputStreamAsString(ramFile.getContent().getInputStream(), "UTF8");
                            logger.info("Downloaded file contents: {}\n{}", userRequestedFilename, str);
                        } finally {
                            FileHelper.safeClose(in);
                        }
                    }

                    final String scheme = uri.getScheme();
                    final int defaultPort;
                    if ("http".equals(scheme)) {
                        defaultPort = 80;
                    } else {
                        defaultPort = 443;
                    }

                    final UrlFileName fileName = new UrlFileName(scheme, uri.getHost(), uri.getPort(),
                            defaultPort, null, null, uri.getPath(), FileType.FILE, uri.getQuery());

                    AbstractFileSystem fileSystem = (AbstractFileSystem) VFSUtils.getBaseFileSystem();
                    return new DelegateFileObject(fileName, fileSystem, ramFile);
                } finally {
                    userPreferences.setMonitorConnection(monitorConnection);
                }

            }
        }

        return VFSUtils.getFileSystemManager().resolveFile(userRequestedFilename);
    }
}

---

From source file:org.datacleaner.user.DataCleanerHome.java

private static FileObject initializeDataCleanerHome(FileObject candidate) throws FileSystemException {
    final FileSystemManager manager = VFSUtils.getFileSystemManager();

    if (ClassLoaderUtils.IS_WEB_START) {
        // in web start, the default folder will be in user.home
        final String path = getUserHomeCandidatePath();
        candidate = manager.resolveFile(path);
        logger.info("Running in WebStart mode. Attempting to build DATACLEANER_HOME in user.home: {} -> {}",
                path, candidate);//from   ww w .  ja  v a2  s . com
    } else {
        // in normal mode try to use specified directory first
        logger.info("Running in standard mode.");
        if (isWriteable(candidate)) {
            logger.info("Attempting to build DATACLEANER_HOME in {}", candidate);
        } else {
            // Workaround: isWritable is not reliable for a non-existent
            // directory. Trying to create it, if it does not exist.
            if ((candidate != null) && (!candidate.exists())) {
                logger.info("Folder {} does not exist. Trying to create it.", candidate);
                try {
                    candidate.createFolder();
                    logger.info("Folder {} created successfully. Attempting to build DATACLEANER_HOME here.",
                            candidate);
                } catch (FileSystemException e) {
                    logger.info("Unable to create folder {}. No write permission in that location.", candidate);
                    candidate = initializeDataCleanerHomeFallback();
                }
            } else {
                candidate = initializeDataCleanerHomeFallback();
            }
        }

    }

    if ("true".equalsIgnoreCase(System.getProperty(SystemProperties.SANDBOX))) {
        logger.info("Running in sandbox mode ({}), setting {} as DATACLEANER_HOME", SystemProperties.SANDBOX,
                candidate);
        if (!candidate.exists()) {
            candidate.createFolder();
        }
        return candidate;
    }

    if (!isUsable(candidate)) {
        DataCleanerHomeUpgrader upgrader = new DataCleanerHomeUpgrader();
        boolean upgraded = upgrader.upgrade(candidate);

        if (!upgraded) {
            logger.debug("Copying default configuration and examples to DATACLEANER_HOME directory: {}",
                    candidate);
            copyIfNonExisting(candidate, manager, "conf.xml");

            final List<String> allFilePaths = DemoConfiguration.getAllFilePaths();
            for (String filePath : allFilePaths) {
                copyIfNonExisting(candidate, manager, filePath);
            }
        }
    }
    return candidate;
}

---

From source file:org.datacleaner.user.DataCleanerHome.java

private static FileObject initializeDataCleanerHomeFallback() throws FileSystemException {
    final FileSystemManager manager = VFSUtils.getFileSystemManager();

    FileObject candidate;

    // Fallback to user home directory
    final String path = getUserHomeCandidatePath();
    candidate = manager.resolveFile(path);
    logger.info("Attempting to build DATACLEANER_HOME in user.home: {} -> {}", path, candidate);
    if (!isWriteable(candidate)) {
        // Workaround: isWritable is not reliable for a non-existent
        // directory. Trying to create it, if it does not exist.
        if ((candidate != null) && (!candidate.exists())) {
            logger.info("Folder {} does not exist. Trying to create it.", candidate);
            try {
                candidate.createFolder();
                logger.info("Folder {} created successfully. Attempting to build DATACLEANER_HOME here.",
                        candidate);//w  w  w .jav a 2 s. c om
            } catch (FileSystemException e) {
                logger.info("Unable to create folder {}. No write permission in that location.", candidate);
                throw new IllegalStateException("User home directory (" + candidate
                        + ") is not writable. DataCleaner requires write access to its home directory.");
            }
        }
    }
    return candidate;
}

---

From source file:org.datacleaner.user.DataCleanerHome.java

private static FileObject copyIfNonExisting(FileObject candidate, FileSystemManager manager, String filename)
        throws FileSystemException {
    FileObject file = candidate.resolveFile(filename);
    if (file.exists()) {
        logger.info("File already exists in DATACLEANER_HOME: " + filename);
        return file;
    }/*  ww  w . ja v a  2  s  . com*/
    FileObject parentFile = file.getParent();
    if (!parentFile.exists()) {
        parentFile.createFolder();
    }

    final ResourceManager resourceManager = ResourceManager.get();
    final URL url = resourceManager.getUrl("datacleaner-home/" + filename);
    if (url == null) {
        return null;
    }

    InputStream in = null;
    OutputStream out = null;
    try {
        in = url.openStream();
        out = file.getContent().getOutputStream();

        FileHelper.copy(in, out);
    } catch (IOException e) {
        throw new IllegalArgumentException(e);
    } finally {
        FileHelper.safeClose(in, out);
    }

    return file;
}

---

From source file:org.datacleaner.user.upgrade.DataCleanerHomeUpgrader.java

private static FileObject overwriteFileWithDefaults(FileObject targetDirectory, String targetFilename)
        throws FileSystemException {
    FileObject file = targetDirectory.resolveFile(targetFilename);
    FileObject parentFile = file.getParent();
    if (!parentFile.exists()) {
        parentFile.createFolder();
    }//from   w  w  w  .  j a va2s. com

    final ResourceManager resourceManager = ResourceManager.get();
    final URL url = resourceManager.getUrl("datacleaner-home/" + targetFilename);
    if (url == null) {
        return null;
    }

    InputStream in = null;
    OutputStream out = null;
    try {
        in = url.openStream();
        out = file.getContent().getOutputStream();

        FileHelper.copy(in, out);
    } catch (IOException e) {
        throw new IllegalArgumentException(e);
    } finally {
        FileHelper.safeClose(in, out);
    }

    return file;
}

---

From source file:org.eobjects.datacleaner.bootstrap.Bootstrap.java

/**
 * Looks up a file, either based on a user requested filename (typically a
 * CLI parameter, may be a URL) or by a relative filename defined in the
 * system-//from  w  w  w  .  j  a v a 2  s . c o m
 * 
 * @param userRequestedFilename
 *            the user requested filename, may be null
 * @param localFilename
 *            the relative filename defined by the system
 * @param userPreferences
 * @return
 * @throws FileSystemException
 */
private FileObject resolveFile(final String userRequestedFilename, final String localFilename,
        UserPreferences userPreferences) throws FileSystemException {
    final FileObject dataCleanerHome = DataCleanerHome.get();
    if (userRequestedFilename == null) {
        return dataCleanerHome.resolveFile(localFilename);
    } else {
        String lowerCaseFilename = userRequestedFilename.toLowerCase();
        if (lowerCaseFilename.startsWith("http://") || lowerCaseFilename.startsWith("https://")) {
            if (!GraphicsEnvironment.isHeadless()) {
                // download to a RAM file.
                final FileObject targetDirectory = VFSUtils.getFileSystemManager()
                        .resolveFile("ram:///datacleaner/temp");
                if (!targetDirectory.exists()) {
                    targetDirectory.createFolder();
                }

                final URI uri;
                try {
                    uri = new URI(userRequestedFilename);
                } catch (URISyntaxException e) {
                    throw new IllegalArgumentException("Illegal URI: " + userRequestedFilename, e);
                }

                final WindowContext windowContext = new SimpleWindowContext();

                @SuppressWarnings("resource")
                MonitorHttpClient httpClient = new SimpleWebServiceHttpClient();
                MonitorConnection monitorConnection = null;

                // check if URI points to DC monitor. If so, make sure
                // credentials are entered.
                if (userPreferences != null && userPreferences.getMonitorConnection() != null) {
                    monitorConnection = userPreferences.getMonitorConnection();
                    if (monitorConnection.matchesURI(uri)) {
                        if (monitorConnection.isAuthenticationEnabled()) {
                            if (monitorConnection.getEncodedPassword() == null) {
                                final MonitorConnectionDialog dialog = new MonitorConnectionDialog(
                                        windowContext, userPreferences);
                                dialog.openBlocking();
                            }
                            monitorConnection = userPreferences.getMonitorConnection();
                            httpClient = monitorConnection.getHttpClient();
                        }
                    }
                }

                try {

                    final String[] urls = new String[] { userRequestedFilename };
                    final String[] targetFilenames = DownloadFilesActionListener.createTargetFilenames(urls);

                    final FileObject[] files = downloadFiles(urls, targetDirectory, targetFilenames,
                            windowContext, httpClient, monitorConnection);

                    assert files.length == 1;

                    final FileObject ramFile = files[0];

                    if (logger.isInfoEnabled()) {
                        final InputStream in = ramFile.getContent().getInputStream();
                        try {
                            final String str = FileHelper
                                    .readInputStreamAsString(ramFile.getContent().getInputStream(), "UTF8");
                            logger.info("Downloaded file contents: {}\n{}", userRequestedFilename, str);
                        } finally {
                            FileHelper.safeClose(in);
                        }
                    }

                    final String scheme = uri.getScheme();
                    final int defaultPort;
                    if ("http".equals(scheme)) {
                        defaultPort = 80;
                    } else {
                        defaultPort = 443;
                    }

                    final UrlFileName fileName = new UrlFileName(scheme, uri.getHost(), uri.getPort(),
                            defaultPort, null, null, uri.getPath(), FileType.FILE, uri.getQuery());

                    AbstractFileSystem fileSystem = (AbstractFileSystem) dataCleanerHome.getFileSystem();
                    return new DelegateFileObject(fileName, fileSystem, ramFile);
                } finally {
                    httpClient.close();

                    userPreferences.setMonitorConnection(monitorConnection);
                }

            }
        }

        return VFSUtils.getFileSystemManager().resolveFile(userRequestedFilename);
    }
}

---

From source file:org.eobjects.datacleaner.user.DataCleanerHome.java

private static FileObject findDataCleanerHome() throws FileSystemException {
    final FileSystemManager manager = VFSUtils.getFileSystemManager();

    FileObject candidate = null;

    final String env = System.getenv("DATACLEANER_HOME");
    if (!StringUtils.isNullOrEmpty(env)) {
        candidate = manager.resolveFile(env);
        logger.info("Resolved env. variable DATACLEANER_HOME ({}) to: {}", env, candidate);
    }//from   ww  w  .  j a v  a 2 s.co m

    if (isUsable(candidate)) {
        return candidate;
    }

    if (ClassLoaderUtils.IS_WEB_START) {
        // in web start, the default folder will be in user.home
        final String userHomePath = System.getProperty("user.home");
        if (userHomePath == null) {
            throw new IllegalStateException("Could not determine user home directory: " + candidate);
        }

        final String path = userHomePath + File.separatorChar + ".datacleaner" + File.separatorChar
                + Version.getVersion();
        candidate = manager.resolveFile(path);
        logger.info("Running in WebStart mode. Attempting to build DATACLEANER_HOME in user.home: {} -> {}",
                path, candidate);
    } else {
        // in normal mode, the default folder will be in the working
        // directory
        candidate = manager.resolveFile(".");
        logger.info("Running in standard mode. Attempting to build DATACLEANER_HOME in '.' -> {}", candidate);
    }

    if ("true".equalsIgnoreCase(System.getProperty(SystemProperties.SANDBOX))) {
        logger.info("Running in sandbox mode ({}), setting {} as DATACLEANER_HOME", SystemProperties.SANDBOX,
                candidate);
        if (!candidate.exists()) {
            candidate.createFolder();
        }
        return candidate;
    }

    if (!isUsable(candidate)) {
        if (!candidate.exists()) {
            logger.debug("DATACLEANER_HOME directory does not exist, creating: {}", candidate);
            candidate.createFolder();
        }

        if (candidate.isWriteable()) {
            logger.debug("Copying default configuration and examples to DATACLEANER_HOME directory: {}",
                    candidate);
            copyIfNonExisting(candidate, manager, "conf.xml");
            copyIfNonExisting(candidate, manager, "examples/countrycodes.csv");
            copyIfNonExisting(candidate, manager, "examples/employees.analysis.xml");
            copyIfNonExisting(candidate, manager, "examples/duplicate_customer_detection.analysis.xml");
            copyIfNonExisting(candidate, manager, "examples/customer_data_cleansing.analysis.xml");
            copyIfNonExisting(candidate, manager, "examples/write_order_information.analysis.xml");
            copyIfNonExisting(candidate, manager, "examples/customer_data_completeness.analysis.xml");
        }
    }

    return candidate;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• »