Example usage for java.io File 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:Main.java

public static void saveAccount(Activity act, String account, String psw) {
    String str = account + "," + psw;
    Properties localProperties = new Properties();
    localProperties.put("account", str);
    try {//  w  ww .j a  v a2s  .  c o m
        File file = new File(act.getFilesDir() + "/accout.cfg");
        if (!file.exists())
            file.createNewFile();
        FileOutputStream localFileOutputStream = act.openFileOutput("account.cfg", Context.MODE_PRIVATE);
        localProperties.store(localFileOutputStream, "");
        localFileOutputStream.close();
    } catch (Exception localException) {
        localException.printStackTrace();
    }
}

From source file:Main.java

public static void writeToFile(String fileName, byte[] content) {
    File f = new File(fileName);

    if (!f.exists()) {
        try {/*from  w w  w .  j a  va2 s . com*/
            f.createNewFile();
        } catch (Exception e) {

        }
    }

    try {
        FileOutputStream opt = new FileOutputStream(f, false);
        opt.write(content, 0, content.length);
        opt.close();
    } catch (Exception e) {

    }
}

From source file:Main.java

public static final void downloadBundle(InputStream is, String saveFilePath) throws IOException {
    checkDir(saveFilePath);/*from w w  w  .  java 2s . c om*/
    File file = new File(saveFilePath, ZIP_BUNDLE_NAME);
    if (!file.exists()) {
        file.createNewFile();
    }
    FileOutputStream outputStream = new FileOutputStream(file, false);

    byte[] buf = new byte[1024];
    int len;
    while ((len = is.read(buf)) > 0) {
        outputStream.write(buf, 0, len);
    }
    outputStream.close();
    is.close();
}

From source file:Main.java

public static void printErrorStackTrace(Exception ex) {
    File f = new File("/sdcard/Hisun/error.log");
    try {//  w  w  w . j a v a 2 s .c om
        if (!f.exists()) {
            f.createNewFile();
        }
        ex.printStackTrace(new PrintStream(f));
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void createFile(byte[] byteArray) {
    try {//  w  w w .jav a  2 s.com

        File file = new File("C:/Programming/compressedFile");

        if (!file.exists()) {
            file.createNewFile();
        }
        FileOutputStream fos = new FileOutputStream("C://Programming/compressedFile");
        fos.write(byteArray, 0, byteArray.length);
        fos.close();

        System.out.println("Done");

    } catch (IOException e) {
        e.printStackTrace();
    }

}

From source file:Main.java

public static void bitmap2file(Bitmap bitmap, String path) {
    try {/*from   w  ww .  j  a  v a 2 s.c o  m*/
        // create a file to write bitmap data
        File f = new File(path);
        if (f.exists()) {
            f.delete();
            f.createNewFile();
        }
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        bitmap.compress(CompressFormat.JPEG, 30 /* ignored for PNG */, bos);
        byte[] bitmapdata = bos.toByteArray();
        // write the bytes in file
        FileOutputStream fos = new FileOutputStream(f);
        fos.write(bitmapdata);
        fos.flush();
        fos.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void WriteToFile(String name, Bitmap bitmap, String path) throws IOException {
    String fString = name.replaceAll("/", ".");

    File dir = new File("/sdcard/OneBus/user/" + path);
    if (!dir.exists()) {
        dir.mkdirs();/*from   w  w w.j  a va2  s .  co  m*/
    }
    File f = new File("/sdcard/OneBus/user/" + path + "/" + fString + ".jpg");
    f.createNewFile();
    FileOutputStream fOut = null;
    try {
        fOut = new FileOutputStream(f);
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    bitmap.compress(Bitmap.CompressFormat.PNG, 100, fOut);
    try {
        fOut.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }
    try {
        fOut.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.wendal.java.dex.decomplier.toolkit.IO_Tool.java

public static void write2File(String rootDir, String package_name, String filename, String data)
        throws IOException {
    String tmp[] = package_name.split("[.]");
    String tmp_str = rootDir;//from   w  w  w.j av  a 2 s.  c o m
    for (int i = 0; i < tmp.length; i++) {
        tmp_str += "\\";
        tmp_str += tmp[i];
    }
    File dir_file = new File(tmp_str + "\\");
    dir_file.mkdirs();

    File src_file = new File(dir_file.getPath() + "\\" + filename);
    src_file.createNewFile();
    FileUtils.writeStringToFile(src_file, data);
}

From source file:Main.java

public static void saveFile(final String fileName, final String str) {
    try {// ww w .j a va 2  s  . c  om
        File f = new File(fileName);
        if (new File(f.getParent()).exists() == false) {
            f.getParentFile().mkdirs();
        }
        f.createNewFile();
        PrintStream p = new PrintStream(new FileOutputStream(f, false));
        p.println(str);
        p.close();

    } catch (Exception e) {
        e.printStackTrace();
        System.err.println(fileName);
    }
}

From source file:Main.java

public static void copyFile(File sourceFile, File destFile) throws IOException {
    if (!destFile.exists()) {
        destFile.createNewFile();
    }//  w w  w .  j  a v a2s . c o m

    FileChannel source = null;
    FileChannel destination = null;

    try {
        source = new FileInputStream(sourceFile).getChannel();
        destination = new FileOutputStream(destFile).getChannel();
        destination.transferFrom(source, 0, source.size());
    } finally {
        closeQuietly(source);
        closeQuietly(destination);
    }
}