Example usage for java.nio.file FileSystems getFileSystem

List of usage examples for java.nio.file FileSystems getFileSystem

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Introduction

In this page you can find the example usage for java.nio.file FileSystems getFileSystem.

Prototype

public static FileSystem getFileSystem(URI uri)

Source Link

Document

Returns a reference to an existing FileSystem .

Usage

From source file:com.willwinder.universalgcodesender.utils.FirmwareUtils.java

/**
 * Copy any missing files from the the jar's resources/firmware_config/ dir
 * into the settings/firmware_config dir.
 *//* w w  w.j  ava  2s  .c  o  m*/
public synchronized static void initialize() {
    System.out.println("Initializing firmware... ...");
    File firmwareConfig = new File(SettingsFactory.getSettingsDirectory(), FIRMWARE_CONFIG_DIRNAME);

    // Create directory if it's missing.
    if (!firmwareConfig.exists()) {
        firmwareConfig.mkdirs();
    }

    FileSystem fileSystem = null;

    // Copy firmware config files.
    try {
        final String dir = "/resources/firmware_config/";

        URI location = FirmwareUtils.class.getResource(dir).toURI();

        Path myPath;
        if (location.getScheme().equals("jar")) {
            try {
                // In case the filesystem already exists.
                fileSystem = FileSystems.getFileSystem(location);
            } catch (FileSystemNotFoundException e) {
                // Otherwise create the new filesystem.
                fileSystem = FileSystems.newFileSystem(location, Collections.<String, String>emptyMap());
            }

            myPath = fileSystem.getPath(dir);
        } else {
            myPath = Paths.get(location);
        }

        Stream<Path> files = Files.walk(myPath, 1);
        for (Path path : (Iterable<Path>) () -> files.iterator()) {
            System.out.println(path);
            final String name = path.getFileName().toString();
            File fwConfig = new File(firmwareConfig, name);
            if (name.endsWith(".json")) {
                boolean copyFile = !fwConfig.exists();
                ControllerSettings jarSetting = getSettingsForStream(Files.newInputStream(path));

                // If the file is outdated... ask the user (once).
                if (fwConfig.exists()) {
                    ControllerSettings current = getSettingsForStream(new FileInputStream(fwConfig));
                    boolean outOfDate = current.getVersion() < jarSetting.getVersion();
                    if (outOfDate && !userNotified && !overwriteOldFiles) {
                        int result = NarrowOptionPane.showNarrowConfirmDialog(200,
                                Localization.getString("settings.file.outOfDate.message"),
                                Localization.getString("settings.file.outOfDate.title"),
                                JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
                        overwriteOldFiles = result == JOptionPane.OK_OPTION;
                        userNotified = true;
                    }

                    if (overwriteOldFiles) {
                        copyFile = true;
                        jarSetting.getProcessorConfigs().Custom = current.getProcessorConfigs().Custom;
                    }
                }

                // Copy file from jar to firmware_config directory.
                if (copyFile) {
                    try {
                        save(fwConfig, jarSetting);
                    } catch (IOException ex) {
                        logger.log(Level.SEVERE, null, ex);
                    }
                }
            }
        }
    } catch (Exception ex) {
        String errorMessage = String.format("%s %s", Localization.getString("settings.file.generalError"),
                ex.getLocalizedMessage());
        GUIHelpers.displayErrorDialog(errorMessage);
        logger.log(Level.SEVERE, errorMessage, ex);
    } finally {
        if (fileSystem != null) {
            try {
                fileSystem.close();
            } catch (IOException ex) {
                logger.log(Level.SEVERE, "Problem closing filesystem.", ex);
            }
        }
    }

    configFiles.clear();
    for (File f : firmwareConfig.listFiles()) {
        try {
            ControllerSettings config = new Gson().fromJson(new FileReader(f), ControllerSettings.class);
            //ConfigLoader config = new ConfigLoader(f);
            configFiles.put(config.getName(), new ConfigTuple(config, f));
        } catch (FileNotFoundException | JsonSyntaxException | JsonIOException ex) {
            GUIHelpers.displayErrorDialog("Unable to load configuration files: " + f.getAbsolutePath());
        }
    }
}

From source file:com.massabot.codesender.utils.FirmwareUtils.java

public synchronized static void initialize() {
    System.out.println("Initializing firmware... ...");
    File firmwareConfig = new File(SettingsFactory.getSettingsDirectory(), FIRMWARE_CONFIG_DIRNAME);

    // Create directory if it's missing.
    if (!firmwareConfig.exists()) {
        firmwareConfig.mkdirs();//from  w w w .j ava 2  s.co m
    }

    FileSystem fileSystem = null;

    // Copy firmware config files.
    try {
        final String dir = "/resources/firmware_config/";

        URI location = FirmwareUtils.class.getResource(dir).toURI();

        Path myPath;
        if (location.getScheme().equals("jar")) {
            try {
                // In case the filesystem already exists.
                fileSystem = FileSystems.getFileSystem(location);
            } catch (FileSystemNotFoundException e) {
                // Otherwise create the new filesystem.
                fileSystem = FileSystems.newFileSystem(location, Collections.<String, String>emptyMap());
            }

            myPath = fileSystem.getPath(dir);
        } else {
            myPath = Paths.get(location);
        }

        Stream<Path> files = Files.walk(myPath, 1);
        for (Path path : (Iterable<Path>) () -> files.iterator()) {
            System.out.println(path);
            final String name = path.getFileName().toString();
            File fwConfig = new File(firmwareConfig, name);
            if (name.endsWith(".json")) {
                boolean copyFile = !fwConfig.exists();
                ControllerSettings jarSetting = getSettingsForStream(Files.newInputStream(path));

                // If the file is outdated... ask the user (once).
                if (fwConfig.exists()) {
                    ControllerSettings current = getSettingsForStream(new FileInputStream(fwConfig));
                    boolean outOfDate = current.getVersion() < jarSetting.getVersion();
                    if (outOfDate && !userNotified && !overwriteOldFiles) {
                        int result = NarrowOptionPane.showNarrowConfirmDialog(200,
                                Localization.getString("settings.file.outOfDate.message"),
                                Localization.getString("settings.file.outOfDate.title"),
                                JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
                        overwriteOldFiles = result == JOptionPane.OK_OPTION;
                        userNotified = true;
                    }

                    if (overwriteOldFiles) {
                        copyFile = true;
                        jarSetting.getProcessorConfigs().Custom = current.getProcessorConfigs().Custom;
                    }
                }

                // Copy file from jar to firmware_config directory.
                if (copyFile) {
                    try {
                        save(fwConfig, jarSetting);
                    } catch (IOException ex) {
                        logger.log(Level.SEVERE, null, ex);
                    }
                }
            }
        }
    } catch (Exception ex) {
        String errorMessage = String.format("%s %s", Localization.getString("settings.file.generalError"),
                ex.getLocalizedMessage());
        GUIHelpers.displayErrorDialog(errorMessage);
        logger.log(Level.SEVERE, errorMessage, ex);
    } finally {
        if (fileSystem != null) {
            try {
                fileSystem.close();
            } catch (IOException ex) {
                logger.log(Level.SEVERE, "Problem closing filesystem.", ex);
            }
        }
    }

    configFiles.clear();
    for (File f : firmwareConfig.listFiles()) {
        try {
            ControllerSettings config = new Gson().fromJson(new FileReader(f), ControllerSettings.class);
            // ConfigLoader config = new ConfigLoader(f);
            configFiles.put(config.getName(), new ConfigTuple(config, f));
        } catch (FileNotFoundException | JsonSyntaxException | JsonIOException ex) {
            GUIHelpers.displayErrorDialog("Unable to load configuration files: " + f.getAbsolutePath());
        }
    }
}

From source file:io.kahu.hawaii.util.call.sql.DbRequestBuilderRepository.java

private void walkDirectory(final String directory) {
    try {//from  ww w . j  ava 2 s  .c o m
        URI uri = this.getClass().getResource(directory).toURI();
        Path myPath;
        if (uri.getScheme().equals("jar")) {
            FileSystem fileSystem = null;
            try {
                fileSystem = FileSystems.getFileSystem(uri);
            } catch (Exception e) {
                // ignore
            }
            if (fileSystem == null) {
                fileSystem = FileSystems.newFileSystem(uri, Collections.emptyMap());
            }
            myPath = fileSystem.getPath(directory);
        } else {
            myPath = Paths.get(uri);
        }
        Stream<Path> walk = Files.walk(myPath, 1);
        walk.forEach((path) -> {
            String name = path.getFileName().toString();
            if (name.endsWith(".sql")) {
                DbRequestPrototype p = createPrototype(directory, name);
                if (p != null) {
                    try {
                        add(new DbRequestBuilder(p));
                    } catch (ServerException e) {
                        e.printStackTrace();
                    }
                }
            }
        });
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:org.cryptomator.cryptofs.CryptoFileSystemProviderIntegrationTest.java

@Test
public void testGetFsViaNioApi() throws IOException {
    URI fsUri = CryptoFileSystemUris.createUri(tmpPath);
    FileSystem fs = FileSystems.newFileSystem(fsUri,
            cryptoFileSystemProperties().withPassphrase("asd").build());
    Assert.assertTrue(fs instanceof CryptoFileSystemImpl);
    Assert.assertTrue(Files.exists(tmpPath.resolve("masterkey.cryptomator")));
    FileSystem fs2 = FileSystems.getFileSystem(fsUri);
    Assert.assertSame(fs, fs2);/*from  w  w w.  j a  v  a 2s  .co  m*/
}

From source file:org.kaaproject.kaa.server.common.dao.AbstractTest.java

protected String readSchemaFileAsString(String filePath) throws IOException {
    try {//w  w  w .ja  va 2s . c  om
        URI uri = this.getClass().getClassLoader().getResource(filePath).toURI();
        String[] array = uri.toString().split("!");
        Path path;
        if (array.length > 1) {
            LOG.info("Creating fs for {}", array[0]);
            FileSystem fs;
            try {
                fs = FileSystems.newFileSystem(URI.create(array[0]), new HashMap<String, String>());
            } catch (FileSystemAlreadyExistsException e) {
                fs = FileSystems.getFileSystem(URI.create(array[0]));
            }
            path = fs.getPath(array[1]);
        } else {
            path = Paths.get(uri);
        }
        return new String(Files.readAllBytes(path));
    } catch (URISyntaxException e) {
        LOG.error("Can't generate configs {}", e);
    }
    return null;
}

From source file:org.schedulesdirect.api.ZipEpgClient.java

/**
 * Constructor// w w  w.  ja  v  a 2 s .co  m
 * @param zip The zip file to be used as the data source for this client implementation
 * @param baseUrl The base URL used to construct absolute URLs from relative URL data in the raw JSON
 * @throws IOException Thrown on any IO error reading the zip file
 */
public ZipEpgClient(final File zip, final String baseUrl) throws IOException {
    super(null, baseUrl);
    src = zip;
    progCache = new HashMap<String, Program>();
    artCache = new HashMap<>();
    URI fsUri;
    try {
        fsUri = new URI(String.format("jar:%s", zip.toURI()));
    } catch (URISyntaxException e1) {
        throw new RuntimeException(e1);
    }
    try {
        try {
            this.vfs = FileSystems.newFileSystem(fsUri, Collections.<String, Object>emptyMap());
        } catch (FileSystemAlreadyExistsException e) {
            this.vfs = FileSystems.getFileSystem(fsUri);
        }
        Path verFile = vfs.getPath(ZIP_VER_FILE);
        if (Files.exists(verFile)) {
            try (InputStream ins = Files.newInputStream(verFile)) {
                int ver = Integer.parseInt(IOUtils.toString(ins, ZIP_CHARSET.toString()));
                if (ver != ZIP_VER)
                    throw new IOException(
                            String.format("Zip file is not expected version! [v=%d; e=%d]", ver, ZIP_VER));
            }
        } else
            throw new IOException(String.format("Zip file of version %d required!", ZIP_VER));
        LOG.debug(String.format("Zip file format validated! [version=%d]", ZIP_VER));
        lineups = new HashMap<String, Lineup>();
        try (InputStream ins = Files.newInputStream(vfs.getPath(LINEUPS_LIST))) {
            String input = IOUtils.toString(ins, ZIP_CHARSET.toString());
            JSONObject o;
            try {
                o = Config.get().getObjectMapper().readValue(input, JSONObject.class);
            } catch (JsonParseException e) {
                throw new JsonEncodingException(String.format("ZipLineups: %s", e.getMessage()), e, input);
            }
            try {
                JSONArray lineups = o.getJSONArray("lineups");
                for (int i = 0; i < lineups.length(); ++i) {
                    JSONObject l = lineups.getJSONObject(i);
                    this.lineups.put(l.getString("uri"), new Lineup(l.getString("name"),
                            l.getString("location"), l.getString("uri"), l.getString("transport"), this));
                }
            } catch (JSONException e) {
                throw new InvalidJsonObjectException(String.format("ZipLineups: %s", e.getMessage()), e,
                        o.toString(3));
            }
        }
        String vfsKey = getSrcZipKey(zip);
        AtomicInteger i = CLNT_COUNT.get(vfsKey);
        if (i == null) {
            i = new AtomicInteger(0);
            CLNT_COUNT.put(vfsKey, i);
        }
        i.incrementAndGet();
        closed = false;
        detailsFetched = false;
    } catch (Throwable t) {
        if (vfs != null)
            try {
                close();
            } catch (IOException e) {
                LOG.error("IOError closing VFS!", e);
            }
        throw t;
    }
}