Example usage for java.io File delete

Introduction

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

Prototype

public boolean delete()

Source Link

Document

Deletes the file or directory denoted by this abstract pathname.

Usage

From source file:Main.java

public static void fileDelete(File cacheDir) {

    if (imageNumber < 30)
        return;/* w ww  . j av a2 s .  co m*/

    File storage = cacheDir;

    String fileName = "temp" + imageNumber + ".jpg";

    File tempFile = new File(storage, fileName);

    if (tempFile.exists()) {
        tempFile.delete();
    }
}

From source file:Main.java

public static void deleteExternalStoragePrivateFile(Context appCtx, String fileName) {
    // Get path for the file on external storage.  If external
    // storage is not currently mounted this will fail.
    File file = new File(appCtx.getExternalFilesDir(null), fileName);
    if (file != null) {
        file.delete();
    }/*from  www .  jav a2  s .co m*/
}

From source file:Main.java

public static void deleteFiles(List<File> selectedFiles) {
    if (selectedFiles != null & selectedFiles.size() > 0) {
        for (File file : selectedFiles) {
            if (file.isFile()) {
                file.delete();
            } else {
                deleteDir(file);/*from  www . ja v  a  2  s.c o  m*/
                //               file.delete();
            }
        }
    }
}

From source file:com.orchestra.portale.utils.InsertUtils.java

public static String delimg(HttpServletRequest request, String id, String nameimg) {
    String esito = "";
    HttpSession session = request.getSession();
    ServletContext sc = session.getServletContext();
    File dir = new File(sc.getRealPath("/") + "dist" + File.separator + "poi" + File.separator + "img"
            + File.separator + id);

    File img = new File(dir.getAbsolutePath() + File.separator + nameimg);
    if (img.delete())
        esito = "OK";
    else/* ww w  .  j a  va 2 s.c o  m*/
        esito = "ERRORE";

    return esito;
}

From source file:Main.java

private static boolean deleteFileSafely(File file) {
    if (file != null) {
        String tmpPath = file.getAbsolutePath() + System.currentTimeMillis();
        File tmp = new File(tmpPath);
        boolean result = file.renameTo(tmp);
        return result && tmp.delete();
    }//from   w w  w  .  j  ava2 s. c om
    return false;
}

From source file:Main.java

public static void saveImage(Bitmap bmp) {
    String root = Environment.getExternalStorageDirectory().toString();
    File myDir = new File(root + "/abcxyz");
    myDir.mkdirs();// www .  ja v  a2 s. co m
    Random generator = new Random();
    int n = 10000;
    n = generator.nextInt(n);
    String name = "Image-" + n + ".jpg";
    File file = new File(myDir, name);
    if (file.exists())
        file.delete();

    try {
        FileOutputStream out = new FileOutputStream(file);
        bmp.compress(Bitmap.CompressFormat.JPEG, 100, out);
        out.flush();
        out.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static boolean deleteFolder(File folder) {
    if (!folder.exists()) {
        return true;
    }//w  w w.jav  a  2s. c o m

    File[] subFiles = folder.listFiles();
    if (subFiles != null) {
        for (File f : subFiles) {
            if (f.isFile()) {
                if (!f.delete()) {
                    return false;
                }
            } else {
                if (!deleteFolder(f)) {
                    return false;
                }
            }
        }
    }

    return folder.delete();

}

From source file:com.adaptris.core.stubs.TempFileUtils.java

public static File createTrackedFile(String prefix, String suffix, File baseDir, Object tracker)
        throws IOException {
    File f = File.createTempFile(prefix, suffix, baseDir);
    f.delete();
    return trackFile(f, tracker);
}

From source file:Main.java

public static void rename(File oldFile, File newFile) {
    if (newFile.exists() && !newFile.delete()) {
        throw new RuntimeException("can not del dest file: " + newFile);
    }//  ww w.j  a  v  a  2  s. co m
    if (!oldFile.renameTo(newFile)) {
        try {
            copy(oldFile, newFile);
            if (!oldFile.delete()) {
                // this is not so bad, but still very strange
                System.err.println("can not del source file: " + oldFile);
            }
        } catch (Exception ex) {
            throw new RuntimeException("rename failed: from: " + oldFile + " to: " + newFile, ex);
        }
    }
}

From source file:Main.java

@SuppressWarnings("ResultOfMethodCallIgnored")
public static boolean saveBitmap(Bitmap bitmap, String filePath, int quality) {
    boolean result = false;
    FileOutputStream fileOutputStream = null;
    try {//from  www  . j  av  a 2  s .c  o m
        File file = new File(filePath);
        if (file.exists())
            file.delete();
        fileOutputStream = new FileOutputStream(file);
        bitmap.compress(Bitmap.CompressFormat.JPEG, quality, fileOutputStream);
        fileOutputStream.flush();
        result = true;
    } catch (IOException ignored) {
    } finally {
        if (fileOutputStream != null) {
            try {
                fileOutputStream.close();
            } catch (IOException ignored) {
            }
        }
    }
    return result;
}