Example usage for java.io File createNewFile

List of usage examples for java.io File createNewFile

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Introduction

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

Prototype

public boolean createNewFile() throws IOException

Source Link

Document

Atomically creates a new, empty file named by this abstract pathname if and only if a file with this name does not yet exist.

Usage

From source file:me.neatmonster.spacertk.scheduler.Scheduler.java

/**
 * Saves all the queued jobs to the file
 *///from   w  ww.  j av a2s.  com
public static void saveJobs() {
    final File file = new File(SpaceModule.MAIN_DIRECTORY, "jobs.yml");
    if (!file.exists())
        try {
            file.createNewFile();
        } catch (final IOException e) {
            e.printStackTrace();
        }
    final YamlConfiguration configuration = YamlConfiguration.loadConfiguration(file);
    for (final String jobName : jobs.keySet()) {
        final Job job = jobs.get(jobName);
        final String actionName = job.actionName;
        final List<Object> actionArguments = Arrays.asList(job.actionArguments);
        final String timeType = job.timeType;
        final String timeArgument = job.timeArgument;
        configuration.set(jobName + ".TimeType", timeType);
        configuration.set(jobName + ".TimeArgument", timeArgument);
        configuration.set(jobName + ".ActionName", actionName);
        configuration.set(jobName + ".ActionArguments", JSONValue.toJSONString(actionArguments)
                .replace("[[", "[").replace("],[", ",").replace("]]", "]"));
    }
    try {
        configuration.save(file);
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:edu.isi.karma.util.FileUtil.java

public static void copyFiles(File destination, File source) throws FileNotFoundException, IOException {
    if (!destination.exists()) {
        destination.createNewFile();
    }/* w  ww  .ja  va  2 s  .  c o m*/
    InputStream in = new FileInputStream(source);
    OutputStream out = new FileOutputStream(destination);

    byte[] buf = new byte[1024];
    int len;

    while ((len = in.read(buf)) > 0) {
        out.write(buf, 0, len);
    }
    in.close();
    out.close();
    logger.debug("Done copying contents of " + source.getName() + " to " + destination.getName());
}

From source file:com.frostwire.android.gui.util.SystemUtils.java

public static File getTempDirectory() {
    File f = createFolder(getApplicationStorageDirectory(), TEMP_FOLDER_NAME);

    File nomedia = new File(f, ".nomedia");
    if (!nomedia.exists()) {
        try {/*from   www.j a  v  a  2 s.  c  om*/
            nomedia.createNewFile();
        } catch (IOException e) {
            // unable to create nomedia file, ignore it for now
        }
    }

    return f;
}

From source file:gov.va.oia.terminology.converters.sharedUtils.Unzip.java

public final static void unzip(File zipFile, File rootDir) throws IOException {
    ZipFile zip = new ZipFile(zipFile);
    @SuppressWarnings("unchecked")
    Enumeration<ZipEntry> entries = (Enumeration<ZipEntry>) zip.entries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();
        java.io.File f = new java.io.File(rootDir, entry.getName());
        if (entry.isDirectory()) {
            f.mkdirs();// w  ww.java2  s .co m
            continue;
        } else {
            f.createNewFile();
        }
        InputStream is = null;
        OutputStream os = null;
        try {
            is = zip.getInputStream(entry);
            os = new FileOutputStream(f);
            IOUtils.copy(is, os);
        } finally {
            if (is != null) {
                try {
                    is.close();
                } catch (Exception e) {
                    // noop
                }
            }
            if (os != null) {
                try {
                    os.close();
                } catch (Exception e) {
                    // noop
                }
            }
        }
    }
    zip.close();
}

From source file:com.a544jh.kanamemory.io.JsonFileWriter.java

/**
 * Saves the PlayerProfile to a JSON-formatted file. If the file exists, the
 * profile is added to the existing JSON-mapping, if a profile with the same
 * name already exists in th file, it will be overwritten. If the files does
 * not exist, a new JSON-formatted file will be created.
 *
 * @param profile The PlayerProfile to be saved.
 * @param filename The file to save the data to. Can be a JSON-formatted
 * file created by this method, or an nonexistent file.
 *//*from  ww  w .j av  a 2  s.  c  o  m*/
public static void saveProfile(PlayerProfile profile, String filename) {
    File file = new File(filename);
    JSONObject jo = null;

    //Create a new file if it doesn't exist
    if (!file.exists()) {
        try {
            file.createNewFile();
        } catch (IOException ex) {
            Logger.getLogger(JsonFileWriter.class.getName()).log(Level.SEVERE, null, ex);
        }
        //Create new empty JSONObject
        jo = new JSONObject();
    } else {
        //If the file exists
        try {
            //Read the JSONObject from the file
            jo = JsonFileReader.readFileToJsonObject(file);
        } catch (FileNotFoundException | JSONException ex) {
            Logger.getLogger(JsonFileWriter.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    try {
        //Put the profile's scores to be saved in the JSONOBject with the name as key
        jo.put(profile.getName(), profile.getScoresMap());
        //Write the actual file
        try (FileWriter writer = new FileWriter(file)) {
            writer.write(jo.toString(4));
        }
    } catch (JSONException | IOException ex) {
        Logger.getLogger(JsonFileWriter.class.getName()).log(Level.SEVERE, null, ex);
    }

}

From source file:fiftyone.mobile.detection.webapp.ImageCache.java

/**
 * Adds the image at the width and height provided to the cache.
 * @param imageLocal//w  w w. ja  v a2s  . com
 * @param width
 * @param height
 * @param imageAsStream
 * @throws IOException 
 */
synchronized static void add(File physicalPath, File cacheFile, int width, int height,
        InputStream imageAsStream) throws IOException {
    new File(cacheFile.getParent()).mkdirs();
    cacheFile.createNewFile();
    OutputStream outputStream = new FileOutputStream(cacheFile);

    int read = 0;
    byte[] bytes = new byte[1024 ^ 2];

    while ((read = imageAsStream.read(bytes)) != -1) {
        outputStream.write(bytes, 0, read);
    }

    outputStream.close();
}

From source file:io.specto.hoverfly.junit.HoverflyRuleUtils.java

static URI createFileRelativeToClasspath(String resourceName) throws IOException {
    final File file = Paths.get(new File("").getAbsolutePath(), resourceName).toFile();
    file.mkdirs();/*from   w  w w  . j av a  2  s. c om*/
    if (!file.exists()) {
        file.delete();
    }
    file.createNewFile();
    return file.toURI();
}

From source file:Main.java

public static void saveBitmap(String dirpath, String filename, Bitmap bitmap, boolean isDelete) {
    File dir = new File(dirpath);
    if (!dir.exists()) {
        dir.mkdirs();/*  ww  w  .j  a v  a  2s  . co m*/
    }

    File file = new File(dirpath, filename);
    if (isDelete) {
        if (file.exists()) {
            file.delete();
        }
    }

    if (!file.exists()) {
        try {
            file.createNewFile();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
    FileOutputStream out = null;
    try {
        out = new FileOutputStream(file);
        if (bitmap.compress(Bitmap.CompressFormat.PNG, 100, out)) {
            out.flush();
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (out != null) {
            try {
                out.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

From source file:Main.java

public static String imageToLocal(Bitmap bitmap, String name) {
    String path = null;/*from w ww .ja  v  a 2s.  c  o  m*/
    try {
        if (!Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
            return null;
        }
        String filePath = Environment.getExternalStorageDirectory().getPath() + "/cache/";
        File file = new File(filePath, name);
        if (file.exists()) {
            path = file.getAbsolutePath();
            return path;
        } else {
            file.getParentFile().mkdirs();
        }
        file.createNewFile();

        OutputStream outStream = new FileOutputStream(file);
        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, outStream);
        outStream.flush();
        outStream.close();
        if (!bitmap.isRecycled()) {
            bitmap.recycle();
        }

        path = file.getAbsolutePath();
    } catch (Exception e) {
    }
    return path;
}

From source file:net.orpiske.sdm.lib.io.IOUtil.java

/**
 * Protects a file or resource from being written
 * @param resource the resource to protect
 * @throws IOException/*from  w  w  w .j a  va  2s.  c om*/
 */
public static void shield(final String resource) throws IOException {
    File shieldedFile = new File(resource);

    if (!shieldedFile.exists()) {
        System.out.println("Resource " + resource + " does not exist");

        return;
    }

    File shielded = new File(resource + ShieldUtils.SHIELD_EXT);

    if (!shielded.exists()) {

        if (!shielded.createNewFile()) {
            System.err.println("Unable to create shield file " + shielded.getPath());
        }

        System.out.println("Resource " + resource + " was shielded");
    } else {
        System.out.println("Resource " + resource + " already shielded");
    }

    shielded.deleteOnExit();
}