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 File getTempImage() throws IOException {
    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
        File tempFile = new File(Environment.getExternalStorageDirectory(), "temp.jpg");
        tempFile.createNewFile();
        return tempFile;
    }//  w w w . j  a  v a2 s  . c  o  m
    throw new IOException("cannot find any sdcard.");
}

From source file:Main.java

public static String createIfNotExist(String path) {
    File file = new File(path);
    if (!file.exists()) {
        try {/*from   ww w. jav a  2 s.  com*/
            file.createNewFile();
        } catch (Exception e) {
            System.out.println(e.getMessage());
        }
    }
    return path;
}

From source file:Main.java

/**
 * Writes file to external storage and returns the filename.
 * Writes as a JPEG file./*w w  w  .  j a  va2  s . c o  m*/
 * If you want to convert to a URI you need to prepend file://
 * @param b
 * @param fileName
 * @return
 */
static public String saveImageToExternal(Bitmap b, String fileName) { //}, int width, int height) {
    FileOutputStream fos;
    String mypath = Environment.getExternalStorageDirectory() + "/" + fileName + ".jpg";

    File file = new File(mypath);
    try {
        file.createNewFile();

        fos = new FileOutputStream(file);

        // Use the compress method on the BitMap object to write image to the OutputStream
        b.compress(Bitmap.CompressFormat.JPEG, 100, fos);
        fos.close();

    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        return null;
    }
    ;
    return file.toString();
}

From source file:com.thoughtworks.go.util.TestFileUtil.java

public static File createTestFile(File testFolder, String path) throws Exception {
    File subfile = new File(testFolder, path);
    subfile.createNewFile();
    subfile.deleteOnExit();//from   ww w.ja v a2 s  .c  o m
    return subfile;
}

From source file:Main.java

/**
 * Save config file./*from ww w . j  a  v  a 2s.c om*/
 */
private static void saveConfig(Properties properties) {
    try {
        File file = new File(CONFIG_FILE_PATH);
        if (!file.exists())
            file.createNewFile();
        FileOutputStream s = new FileOutputStream(file);
        properties.store(s, "");
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

From source file:Main.java

public static void CreateFile() {
    File file = new File(mFilePath);
    if (!file.exists()) {
        try {// w  w w . j  av a  2 s . co m
            file.createNewFile();
        } catch (Exception e) {
        }
    }
}

From source file:Main.java

public static File createFile(String fileName) {
    File file = new File(fileName);
    if (!file.exists()) {
        try {//  w  w w .j  a v  a  2s . c  om
            file.createNewFile();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return file;
}

From source file:Main.java

public static boolean newFile(String fileName) {
    File f = new File(fileName);
    if (!f.exists()) {
        try {/*  w  w w . java  2 s . com*/
            return f.createNewFile();
        } catch (IOException e) {
        }
    }
    return false;
}

From source file:Main.java

public static void saveMyBitmap(Bitmap mBitmap) {
    File f = new File("/sdcard/head.png");
    try {//from w  ww .jav  a 2s  . c  o  m
        f.createNewFile();
    } catch (IOException e) {
        // TODO Auto-generated catch block
    }
    FileOutputStream fOut = null;
    try {
        fOut = new FileOutputStream(f);
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    mBitmap.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:Main.java

public static File createFileInSDCard(String fileName, String dir) {
    File file = new File(SDCardRoot + dir + File.separator + fileName);
    try {/*from  w w w.  ja  v a  2s  . c  o m*/
        file.createNewFile();
    } catch (IOException e) {
        e.printStackTrace();
    }
    updateFile = file;
    return file;
}