Example usage for java.io File mkdirs

Introduction

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

Prototype

public boolean mkdirs() 

Source Link

Document

Creates the directory named by this abstract pathname, including any necessary but nonexistent parent directories.

Usage

From source file:cereal.examples.thrift.ThriftPersonTest.java

@BeforeClass
public static void start() throws IOException, InterruptedException {
    File target = new File(System.getProperty("user.dir") + "/target");
    assertTrue(target.exists());//w w w . j  av a  2s  . c  o  m
    assertTrue(target.isDirectory());
    File macParent = new File(target, "minicluster");
    macParent.mkdirs();
    File macDir = new File(macParent, ThriftPersonTest.class.getName());
    if (macDir.exists()) {
        FileUtils.deleteQuietly(macDir);
    }
    MiniAccumuloConfig cfg = new MiniAccumuloConfig(macDir, PASSWORD);
    cfg.setNumTservers(1);
    mac = new MiniAccumuloCluster(cfg);
    mac.start();
}

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From source file:Main.java

public static boolean copyFile(final File srcFile, final File saveFile) {
    File parentFile = saveFile.getParentFile();
    if (!parentFile.exists()) {
        if (!parentFile.mkdirs())
            return false;
    }//  w w  w  .j a  va 2 s .  c om

    BufferedInputStream inputStream = null;
    BufferedOutputStream outputStream = null;
    try {
        inputStream = new BufferedInputStream(new FileInputStream(srcFile));
        outputStream = new BufferedOutputStream(new FileOutputStream(saveFile));
        byte[] buffer = new byte[1024 * 4];
        int len;
        while ((len = inputStream.read(buffer)) != -1) {
            outputStream.write(buffer, 0, len);
        }
        outputStream.flush();
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    } finally {
        close(inputStream, outputStream);
    }
    return true;
}

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From source file:com.r573.enfili.common.io.file.FileHelper.java

/**
 * 0: dir not created because it already exists 1: dir created -1: dir needs
 * to be created, but failed//from w ww  .ja  v  a  2 s. c  om
 * 
 * @param dir
 * @return
 */
public static int mkdirIfNotExists(File dir) {
    if (!dir.exists()) {
        if (dir.mkdirs()) {
            return 1;
        } else {
            return -1;
        }
    } else {
        return 0;
    }
}

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From source file:Main.java

public static File getSaveFolder(String folderName) {
    File file = new File(Environment.getExternalStorageDirectory().getAbsoluteFile() + File.separator
            + folderName + File.separator);
    file.mkdirs();
    return file;//from   w  w  w  . j a  v  a  2  s  .c o m
}

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From source file:Main.java

public static void saveImageToSD(Context ctx, String filePath, Bitmap bitmap, int quality) throws IOException {
    if (bitmap != null) {
        File file = new File(filePath);
        File dir = new File(filePath.substring(0, filePath.lastIndexOf(File.separator)));
        if (!dir.exists()) {
            dir.mkdirs();
        }/*from w ww  . ja  va  2 s  .c  o  m*/
        file.createNewFile();

        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));
        bitmap.compress(Bitmap.CompressFormat.JPEG, quality, bos);
        bos.flush();
        bos.close();
    }
}

---

From source file:de.tudarmstadt.ukp.experiments.argumentation.sequence.evaluation.GenerateCrossDomainCVReport.java

/**
 * Merges id2outcome files from sub-folders with cross-domain and creates a new folder
 * with overall results/* w  ww .  java2s  .  com*/
 *
 * @param folder folder
 * @throws java.io.IOException
 */
public static void aggregateDomainResults(File folder, String subDirPrefix, final String taskFolderSubText,
        String outputFolderName) throws IOException {
    // list all sub-folders
    File[] folders = folder.listFiles(new FileFilter() {
        @Override
        public boolean accept(File pathname) {
            return pathname.isDirectory() && pathname.getName().contains(taskFolderSubText);
        }
    });

    if (folders.length == 0) {
        throw new IllegalArgumentException("No sub-folders 'SVMHMMTestTask*' found in " + folder);
    }

    // write to a file
    File outFolder = new File(folder, outputFolderName);
    File output = new File(outFolder, subDirPrefix);
    output.mkdirs();

    File outCsv = new File(output, TOKEN_LEVEL_PREDICTIONS_CSV);

    CSVPrinter csvPrinter = new CSVPrinter(new FileWriter(outCsv), SVMHMMUtils.CSV_FORMAT);
    csvPrinter.printComment(SVMHMMUtils.CSV_COMMENT);

    ConfusionMatrix cm = new ConfusionMatrix();

    for (File domain : folders) {
        File tokenLevelPredictionsCsv = new File(domain, subDirPrefix + "/" + TOKEN_LEVEL_PREDICTIONS_CSV);

        if (!tokenLevelPredictionsCsv.exists()) {
            throw new IllegalArgumentException(
                    "Cannot locate tokenLevelPredictions.csv: " + tokenLevelPredictionsCsv);
        }

        CSVParser csvParser = new CSVParser(new FileReader(tokenLevelPredictionsCsv),
                CSVFormat.DEFAULT.withCommentMarker('#'));

        for (CSVRecord csvRecord : csvParser) {
            // copy record
            csvPrinter.printRecord(csvRecord);

            // update confusion matrix
            cm.increaseValue(csvRecord.get(0), csvRecord.get(1));
        }
    }

    // write to file
    FileUtils.writeStringToFile(new File(outFolder, "confusionMatrix.txt"), cm.toString() + "\n"
            + cm.printNiceResults() + "\n" + cm.printLabelPrecRecFm() + "\n" + cm.printClassDistributionGold());

    // write csv
    IOUtils.closeQuietly(csvPrinter);
}

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From source file:Main.java

public static Properties loadPropertyInstance(String filePath, String fileName) {
    try {/*ww w  .  j a v a  2  s. c  o m*/
        File d = new File(filePath);
        if (!d.exists()) {
            d.mkdirs();
        }
        File f = new File(d, fileName);
        if (!f.exists()) {
            f.createNewFile();
        }
        Properties p = new Properties();
        InputStream is = new FileInputStream(f);
        p.load(is);
        is.close();
        return p;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

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From source file:Main.java

private static File getExternalCacheDir(Context context) {
    File dataDir = new File(new File(Environment.getExternalStorageDirectory(), "Android"), "data");
    File appCacheDir = new File(new File(dataDir, context.getPackageName()), "cache");
    if (!appCacheDir.exists()) {
        if (!appCacheDir.mkdirs()) {
            //L.w("Unable to create external cache directory");
            return null;
        }// w  ww.j  a va  2s . c o m
        try {
            new File(appCacheDir, ".nomedia").createNewFile();
        } catch (IOException e) {
            //L.i("Can't create \".nomedia\" file in application external cache directory");
            return null;
        }
    }
    return appCacheDir;
}

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From source file:Main.java

public static boolean writeFile(byte[] buffer, String folder, String fileName) {
    boolean writeSucc = false;

    boolean sdCardExist = Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED);

    String folderPath = "";
    if (sdCardExist) {
        folderPath = Environment.getExternalStorageDirectory() + File.separator + folder + File.separator;
    } else {/*  w w w . j a v  a 2 s.  co  m*/
        writeSucc = false;
    }

    File fileDir = new File(folderPath);
    if (!fileDir.exists()) {
        fileDir.mkdirs();
    }

    File file = new File(folderPath + fileName);
    FileOutputStream out = null;
    try {
        out = new FileOutputStream(file);
        out.write(buffer);
        writeSucc = true;
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            out.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    return writeSucc;
}

---

From source file:Main.java

public static void unzip(InputStream fin, String targetPath, Context context) throws IOException {
    ZipInputStream zis = new ZipInputStream(new BufferedInputStream(fin));
    try {/*w  w w  .j av a  2  s.co m*/
        ZipEntry zipEntry;
        int count;
        byte[] buffer = new byte[8192];
        while ((zipEntry = zis.getNextEntry()) != null) {
            File file = new File(targetPath, zipEntry.getName());
            File dir = zipEntry.isDirectory() ? file : file.getParentFile();
            if (!dir.isDirectory() && !dir.mkdirs()) {
                throw new FileNotFoundException("Failed to get directory: " + dir.getAbsolutePath());
            }
            if (zipEntry.isDirectory()) {
                continue;
            }
            FileOutputStream fout = new FileOutputStream(file);
            try {
                while ((count = zis.read(buffer)) != -1)
                    fout.write(buffer, 0, count);
            } finally {
                fout.close();
            }
            Log.d("TEST", "Unzipped " + file.getAbsolutePath());
        }
    } finally {
        zis.close();
    }
}

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