Example usage for java.io File canRead

List of usage examples for java.io File canRead

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Introduction

In this page you can find the example usage for java.io File canRead.

Prototype

public boolean canRead()

Source Link

Document

Tests whether the application can read the file denoted by this abstract pathname.

Usage

From source file:test.org.tradex.camel.TestCaseAppContextBuilder.java

/**
 * Builds an application context reading the file from the passed path
 * @param path The path of the app context xml
 * @return the built app context//from   w  w w  .j a  v  a2s.co m
 */
public static GenericXmlApplicationContext buildFor(String path) {
    if (path == null)
        throw new IllegalArgumentException("Passed path was null", new Throwable());
    File springXml = new File(path);
    if (!springXml.canRead()) {
        throw new RuntimeException("Failed to read Spring XML file at [" + springXml + "]", new Throwable());
    }
    try {
        return service(new GenericXmlApplicationContext(
                new FileSystemResource[] { new FileSystemResource(springXml.getAbsoluteFile()) }));
    } catch (Throwable t) {
        LOG.fatal("Failed to boot app context", t);
        throw new RuntimeException("Failed to boot app context", t);
    }
}

From source file:Main.java

/**resource methods*/

public static Bitmap getBitmap(Context context, String url) {
    Bitmap bitmap = null;/* w  ww  .  ja  v a  2s . c o m*/
    InputStream is = null;
    try {
        url = url.trim();
        if (url.indexOf("res://") == 0) {
            int sepPos = url.lastIndexOf("/");
            int resId = context.getResources().getIdentifier(url.substring(sepPos + 1),
                    url.substring(6, sepPos), context.getPackageName());
            is = context.getResources().openRawResource(resId);
        } else if (url.indexOf("file://") == 0) {
            File file = new File(url.substring(7));
            if (file.canRead())
                is = new FileInputStream(file);
        }
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inDither = true;
        bitmap = BitmapFactory.decodeStream(is, new Rect(), options);
        return bitmap;
    } catch (Exception e) {
        e.printStackTrace();
        throw new RuntimeException(e.getMessage(), e);
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                e.printStackTrace();
                throw new RuntimeException(e.getMessage(), e);
            }
        }
    }
}

From source file:de.suse.swamp.util.FileUtils.java

/**
 * Return the text content of a file//from ww  w  .j ava  2 s  .  co  m
 */
public static String getText(File file) throws Exception {
    if (file != null && file.exists() && file.canRead()) {
        byte[] b = new byte[(int) file.length()];
        log.debug("Getting text from file: " + file);
        FileInputStream filestream = null;
        filestream = new FileInputStream(file);
        filestream.read(b);
        filestream.close();
        return new String(b);
    } else {
        throw new Exception("Could not read from file: " + file.getAbsolutePath());
    }
}

From source file:ConnectionUtil.java

/** Sets the full path of the config file to read.
 * @param configFileNam The FileName of the configuration file to use.
 *//*  ww  w  .  ja  va  2 s.  c  om*/
public static void setConfigFileName(String configFileNam) {
    configFileName = configFileNam;
    File file = new File(configFileName);
    if (!file.canRead()) {
        throw new IllegalArgumentException("Unreadable: " + configFileName);
    }
    try {
        ConnectionUtil.configFileName = file.getCanonicalPath();
    } catch (IOException ex) {
        System.err.println("Warning: IO error checking path: " + configFileName);
        ConnectionUtil.configFileName = configFileName;
    }
}

From source file:Configuration.ConfigHelper.java

public static File getConfigFile(String fileName) throws NoConfigFileFoundException {
    for (int i = 0; i < CONFIG_LOCATIONS.length; i++) {
        String location = CONFIG_LOCATIONS[i];
        if (location.startsWith("%HOME%")) {
            if (isUnix()) {
                String home = getUserHome();
                if (home == null || home.length() <= 0) {
                    continue;
                }/*from   w w  w  .j a  va2 s  . c o  m*/
                location = location.replace("%HOME%", home);
            } else {
                continue;
            }
        }
        File dir = new File(location);
        if (!dir.isDirectory() || !dir.exists()) {
            continue;
        }
        File configFile = new File(dir, fileName);
        if (!configFile.exists() || !configFile.canRead()) {
            continue;
        }
        return configFile;

    }
    throw new NoConfigFileFoundException();
}

From source file:Main.java

public static File[] getMountedVolumesAsFile() {
    final String state = Environment.getExternalStorageState();
    if (Environment.MEDIA_MOUNTED.equals(state) || Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) { // we can read the External Storage...           
        //Retrieve the primary External Storage:
        final File primaryExternalStorage = Environment.getExternalStorageDirectory();

        //Retrieve the External Storages root directory:
        String externalStorageRootDir = null;
        if ((externalStorageRootDir = primaryExternalStorage.getParent()) == null) { // no parent...
            return (new File[] { primaryExternalStorage });
        } else {/*from ww w. j  a  va 2  s .  com*/
            final File externalStorageRoot = new File(externalStorageRootDir);
            final File[] files = externalStorageRoot.listFiles(new FilenameFilter() {

                @Override
                public boolean accept(File dir, String filename) {
                    // TODO Auto-generated method stub

                    File file = new File(dir, filename);
                    if (file.isDirectory() && file.canRead() && file.canWrite() && !file.isHidden()) {
                        return true;
                    }
                    return false;
                }

            }); //.listFiles();
            List<File> data = new ArrayList<File>();

            for (final File file : files) {
                if (file.isDirectory() && file.canRead() && file.canWrite() && !file.isHidden()
                        && (files.length > 0)) { // it is a real directory (not a USB drive)...
                    if (file.toString().equals(primaryExternalStorage.toString()))
                        data.add(file);
                    else {
                        if (!file.toString().contains("usb") || !file.toString().contains("USB")) {
                            data.add(file);
                        }
                    }
                }
            }
            return data.toArray(new File[data.size()]);
        }
    } else {
        // we cannot read the External Storage..., return null
        return null;
    }
}

From source file:com.grapeshot.halfnes.FileUtils.java

public static boolean exists(final String path) {
    File f = new File(path);
    return f.canRead() && !f.isDirectory();
}

From source file:com.rom.jmultipatcher.Utils.java

public static void checkFilePermissions(final String filepath, final boolean canRead, final boolean canWrite) {
    final Path path = Paths.get(filepath);
    final File file = path.toFile();
    if (canRead && !file.canRead()) {
        throw new IllegalArgumentException("Can't read file" + filepath);
    }//from w  w  w .  j a v a  2s .c  om
    if (canWrite && !file.canWrite()) {
        throw new IllegalArgumentException("Can't write to file" + filepath);
    }
}

From source file:luceneprueba.utils.FileParser.java

static public void createFilesFromJSONArray() throws IOException {
    File dir = new File("files/input");
    File[] files = dir.listFiles();

    if (files == null) {
        System.out.println("No existe la carpeta \'input\' dentro de la carpeta files.");
        return;//from   w  w w  . j  a v  a 2 s.  c om
    }

    if (files.length == 0) {
        System.out.println("No hay ningun archivo en la carpeta \'input\' para ser indexado");
        return;
    }

    BufferedReader br;
    String fileContent;
    JSONArray jsonArray = null;
    JSONParser jsonParser = new JSONParser();
    int i = 1;
    FileWriter datosReviews = null;
    try {
        datosReviews = new FileWriter("files/output/datos_reviews.txt");
    } catch (IOException ex) {
        ex.printStackTrace(System.out);
    }
    for (File file : files) {
        if (file.isFile() && file.canRead() && file.getName().endsWith(".txt")) {
            System.out.println("Leyendo el archivo: " + file.getName());
            FileWriter contentReviews;
            try {
                br = new BufferedReader(new FileReader(file));
                fileContent = br.readLine();
                jsonArray = (JSONArray) jsonParser.parse(fileContent);
                Iterator it = jsonArray.iterator();
                DecimalFormat formato = new DecimalFormat("000000");
                while (it.hasNext()) {
                    JSONObject json = (JSONObject) it.next();
                    if (json.get("Genre") != null && json.get("Date") != null) {
                        contentReviews = new FileWriter(
                                "files/output/clasificador/review_clasificador_" + formato.format(i) + ".txt");
                        datosReviews.write(Integer.toString(i) + "_" + (String) json.get("Date") + "_"
                                + (String) json.get("Genre") + "_" + (String) json.get("Score") + "\n");
                        contentReviews.write(Integer.toString(i) + " " + (String) json.get("Review"));
                        i++;
                        contentReviews.close();
                    }
                }
                br.close();
            } catch (FileNotFoundException ex) {
                ex.printStackTrace(System.out);
            } catch (IOException | ParseException ex) {
                ex.printStackTrace(System.out);
            }
        }
    }
    datosReviews.close();
}

From source file:com.hp.mqm.atrf.Main.java

private static void configureLog4J() {

    //set process Id on local
    RuntimeMXBean rt = ManagementFactory.getRuntimeMXBean();
    String pid = rt.getName();//from  w  w w . j av a  2s .  c  o  m
    ThreadContext.put("PID", pid);

    String log4jConfiguration = System.getProperty("log4j.configuration");
    if (StringUtils.isEmpty(log4jConfiguration)) {
        //try to take from file
        File f = new File("log4j2.xml");
        URI uri = null;
        if (f.exists() && !f.isDirectory() && f.canRead()) {
            uri = f.toURI();
        } else {
            //take it from resources
            try {
                uri = Main.class.getClassLoader().getResource("log4j2.xml").toURI();
            } catch (URISyntaxException e) {
                logger.info("Failed to load Log4j configuration from resource file");
            }
        }

        LoggerContext context = (LoggerContext) LogManager.getContext(false);
        context.setConfigLocation(uri);
        //logger.info("Log4j configuration loaded from " + uri.toString());
    } else {
        logger.info("Log4j configuration is loading from log4j.configuration=" + log4jConfiguration);
    }
}