Example usage for java.io File createNewFile

List of usage examples for java.io File createNewFile

  1. HOME
  2. Java
  3. java
  4. java.io.*
  5. File
  6. createNewFile

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:com.digitalreasoning.herman.JarCreater.java

public static void createJar(File outputJarFile, List<Entry> entries) throws IOException {
    if (!outputJarFile.getParentFile().exists()) {
        outputJarFile.getParentFile().mkdirs();
    }/*  w  w w. jav  a2s .  co  m*/
    if (!outputJarFile.exists()) {
        outputJarFile.createNewFile();
    }

    FileOutputStream fOut = new FileOutputStream(outputJarFile);
    JarOutputStream jarOut = new JarOutputStream(fOut);
    Set<String> packageSet = new HashSet<String>();
    try {
        for (Entry folderFile : entries) {
            InputStream inputStream = folderFile.resource.openStream();

            try {
                if (!packageSet.contains(folderFile.parentFolderName)) {
                    jarOut.putNextEntry(new ZipEntry(folderFile.parentFolderName));
                    jarOut.closeEntry();
                    packageSet.add(folderFile.parentFolderName);
                }

                jarOut.putNextEntry(new ZipEntry(folderFile.parentFolderName
                        + (folderFile.parentFolderName.endsWith("/") ? "" : "/") + folderFile.fileName));
                IOUtils.copy(inputStream, jarOut);
                jarOut.closeEntry();
            } finally {
                inputStream.close();
            }

        }

    } finally {
        jarOut.close();
        fOut.close();
    }
}

From source file:com.qasp.diego.arsp.Atualiza.java

public static boolean DownloadFTP() throws IOException {

    final String FTPURL = "37.187.45.24";
    final String USUARIO = "diego";
    final String SENHA = "Jogador5";
    final String ARQUIVO = "data.dat";
    FTPClient ftp = new FTPClient();

    try {//from   w w w.  j  a  v a 2 s  .co  m
        ftp.connect(FTPURL);
        ftp.login(USUARIO, SENHA);
        ftp.changeWorkingDirectory("/httpdocs/tcc/TCCpython");
        ftp.setFileType(FTP.BINARY_FILE_TYPE);
        ftp.enterLocalPassiveMode();
        OutputStream outputStream = null;
        boolean downloadcomsucesso = false;
        try {
            File f = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS),
                    ARQUIVO);
            f.createNewFile();
            outputStream = new BufferedOutputStream(new FileOutputStream(f));
            downloadcomsucesso = ftp.retrieveFile(ARQUIVO, outputStream);
        } finally {
            if (outputStream != null)
                outputStream.close();
        }
        return downloadcomsucesso;
    } finally {
        if (ftp != null) {
            ftp.logout();
            ftp.disconnect();
        }
    }
}

From source file:com.dragovorn.dragonbot.api.bot.file.FileManager.java

public static File addFile(File file) {
    if (!file.exists()) {
        if (file.isDirectory()) {
            file.mkdirs();// w ww. j  a  va2  s  .  c om
        } else {
            try {
                file.createNewFile();
            } catch (IOException exception) {
                exception.printStackTrace();
            }
        }
    }

    pluginAddedFiles.add(file);

    return file;
}

From source file:com.galenframework.javascript.GalenJsApi.java

public static void writeFile(String filePath, String text) throws IOException {
    File file = new File(filePath);
    if (!file.exists()) {
        if (!file.createNewFile()) {
            throw new IOException("Couldn't create file: " + filePath);
        }/*from   www . ja  v  a2  s  . co m*/
    }
    FileUtils.writeStringToFile(file, text);
}

From source file:de.fmaul.android.cmis.utils.StorageUtils.java

private static void ensureOrCreatePathAndFile(File contentFile) {
    try {/*  www .  j av a 2s  .  c  o  m*/
        contentFile.getParentFile().mkdirs();
        contentFile.createNewFile();
    } catch (IOException iox) {
        throw new RuntimeException(iox);
    }
}

From source file:ca.marcmeszaros.papyrus.tools.TNManager.java

/**
 * Downloads and saves the thumbnail of a book to the SD card.
 *
 * @param thumbnailURL the URL to the thumbnail
 * @param isbn the ISBN number of the book
 * @return {@code true} on success or {@code false} on failure
 */// w  ww  .ja  v  a 2 s  . c o m
public static boolean saveThumbnail(Bitmap bitmap, String isbn) {
    // make sure we have access to the SD card
    if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
        try {
            // if the folder on the SD carld doesn't exist, create it
            if (!(new File(Environment.getExternalStorageDirectory(), path).exists())) {
                new File(Environment.getExternalStorageDirectory(), path).mkdirs();
                // creates the ".nomedia" file to hide content from "Gallery"
                new File(Environment.getExternalStorageDirectory(), path + ".nomedia").createNewFile();
            }

            // create the thumbnail
            File thumbnail = new File(Environment.getExternalStorageDirectory(), path + isbn + ".jpg");

            // if the file doesn't exist, create it and get the data
            if (!thumbnail.exists()) {
                thumbnail.createNewFile();
                FileOutputStream out = new FileOutputStream(thumbnail);

                bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);
            }

        } catch (IOException e) {
            Log.e(TAG, "IOException", e);
        }
    } else {
        return false;
    }
    return true;
}

From source file:ca.uviccscu.lp.utils.Utils.java

@Deprecated
public static boolean checkDir(File f) {
    l.trace("Checking dir: " + f.getAbsolutePath());
    try {//from  w  w  w .  j a  v  a2  s  . com
        boolean a = f.isDirectory();
        if (a) {
            if (f.listFiles().length != 0) {
                l.error("Directory not empty");
                //JDialog jd = new JDialog((JFrame) null, true);
                int resp = JOptionPane.showConfirmDialog(null,
                        "Directory nonempty: " + f.getAbsolutePath() + ". Proceed? (will wipe)",
                        "Confirm deletion", JOptionPane.YES_NO_OPTION);
                if (resp == JOptionPane.YES_OPTION) {
                    FileUtils.deleteDirectory(f);
                } else {
                    l.fatal("Delete denied");
                    System.exit(1);
                }
            }
        }
        FileUtils.forceMkdir(f);
        File test = new File(f.getAbsolutePath() + File.separator + "test.file");
        boolean c = test.createNewFile();
        return c;
    } catch (Exception e) {
        l.fatal("Az directory creation error", e);
        return false;
    }
}

From source file:Main.java

private static boolean handleFile(int mode, byte[] key, byte[] iv, String sourceFilePath, String destFilePath) {

    File sourceFile = new File(sourceFilePath);
    File destFile = new File(destFilePath);

    try {/*from w  ww  .  jav  a2 s  . c  om*/
        if (sourceFile.exists() && sourceFile.isFile()) {
            if (!destFile.getParentFile().exists())
                destFile.getParentFile().mkdirs();
            destFile.createNewFile();

            InputStream in = new FileInputStream(sourceFile);
            OutputStream out = new FileOutputStream(destFile);
            Cipher cipher = initCipher(mode, key, iv, AES_CFB_NOPADDING);
            CipherInputStream cin = new CipherInputStream(in, cipher);

            byte[] b = new byte[1024];
            int read = 0;
            while ((read = cin.read(b)) != -1) {
                out.write(b, 0, read);
                out.flush();
            }

            cin.close();
            in.close();
            out.close();

            return true;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    return false;
}

From source file:com.fjn.helper.common.io.file.common.FileUtil.java

public static File ensureFileExists(File file) {
    try {//ww  w  .  j a  va 2 s.  c  o  m
        if (!file.exists()) {
            if (!file.createNewFile()) {
                throw new FileDirFaultException(file);
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return file;
}

From source file:com.bc.fiduceo.TestUtil.java

public static File copyFileDir(File sourceFile, File targetDirectory) throws IOException {
    assertTrue(sourceFile.isFile());//from w ww . j  a v  a  2  s .  c o  m

    final String name = sourceFile.getName();
    final File targetFile = new File(targetDirectory, name);
    targetFile.createNewFile();

    Files.copy(sourceFile.toPath(), targetFile.toPath(), REPLACE_EXISTING);

    assertTrue(targetFile.isFile());

    return targetFile;
}