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

/**
 * Create a temporary file that will be deleted after a specified number of seconds.
 * The file will be deleted regardless of whether it is still used or not,
 * so be sure to specify a sufficiently large value.
 *
 * @param lifetimeInSeconds the number of seconds after which the file will be
 *                          deleted -- e.g., 3600 means that the file will be deleted one hour after creation.
 * @return the File that was created.// w  ww  . j av  a 2s.c om
 * @throws IOException
 */
public static File createSelfDeletingTempFile(int lifetimeInSeconds) throws IOException {
    final File f = File.createTempFile("mary", "temp");
    maintenanceTimer.schedule(new TimerTask() {
        @Override
        public void run() {
            f.delete();
        }
    }, lifetimeInSeconds * 1000l);
    return f;
}

From source file:org.wso2.am.integration.services.jaxrs.peoplesample.Starter.java

private static File createBaseDirectory() throws IOException {
    final File base = File.createTempFile("tmp-", "",
            new File("/home/dharshana/reaserch/jetty/jetty2/src/main/resources"));

    if (!base.delete()) {
        throw new IOException("Cannot (re)create base folder: " + base.getAbsolutePath());
    }/*from w ww . j  a  v  a 2  s .co m*/

    if (!base.mkdir()) {
        throw new IOException("Cannot create base folder: " + base.getAbsolutePath());
    }
    return base;
}

From source file:com.fun.util.TesseractUtil.java

/**
 * url/*from  w  w  w  . j a v  a  2  s  .c  om*/
 * @param url
 * @return
 * @throws IOException
 */
public static String recognize(URL url) throws IOException {
    File tmpFile = getFileFromUrl(url);
    String result = recognize(tmpFile);
    tmpFile.delete();
    return result;
}

From source file:io.cloudex.framework.utils.FileUtils.java

/**
 * Delete the file with the provided string
 * @param filename - the name of the file to delete
 * @return/* ww w  . ja v  a 2  s .  c o  m*/
 */
public static boolean deleteFile(String filename) {
    File file = new File(filename);
    return file.delete();
}

From source file:net.adamcin.oakpal.testing.TestPackageUtil.java

public static File prepareTestPackage(final String filename) throws IOException {
    File file = new File(testPackagesRoot, filename);
    if (file.exists()) {
        file.delete();
    }/*w  ww. j a  v  a  2s.c  o m*/
    try (InputStream is = TestPackageUtil.class.getResourceAsStream(testPackagesSrc + filename);
            FileOutputStream fos = new FileOutputStream(file)) {
        IOUtils.copy(is, fos);
    }
    return file;
}

From source file:Main.java

/**
 * Delete file or folder./* w  ww . j  a  va 2  s. co m*/
 *
 * @param file file.
 * @return is succeed.
 * @see #delFileOrFolder(String)
 */
@SuppressWarnings("ResultOfMethodCallIgnored")
public static boolean delFileOrFolder(File file) {
    if (file == null || !file.exists()) {
        // do nothing
    } else if (file.isFile())
        file.delete();
    else if (file.isDirectory()) {
        File[] files = file.listFiles();
        if (files != null)
            for (File sonFile : files)
                delFileOrFolder(sonFile);
        file.delete();
    }
    return true;
}

From source file:Main.java

@SuppressWarnings("WeakerAccess")
public static boolean cleanDir(File dir) {
    if (dir == null || !dir.exists() || !dir.isDirectory()) {
        return true;
    }/*  w w  w .java  2s  .  com*/

    File[] files = dir.listFiles();
    boolean cleanSuccess = true;
    if (files != null) {
        for (File tempFile : files) {
            if (tempFile.isDirectory()) {
                cleanSuccess &= cleanDir(tempFile);
            }
            cleanSuccess &= tempFile.delete();
        }
    }
    return cleanSuccess;
}

From source file:Main.java

/**
 * Creates a temporary file for storing a photo that will be taken with the
 * camera./*from w w w.j  a  va2s  .  com*/
 * 
 * @param context
 *            the application's context
 * @return a Uri that points to the file
 */
public static Uri getPhotoUri(Context context) {
    File photo;
    try {
        // place where to store camera taken picture
        photo = createTemporaryFile("picture", ".jpg", context);
        photo.delete();
    } catch (Exception e) {
        Log.v(TAG, "Can't create file to take picture!");
        return null;
    }

    Uri mImageUri = Uri.fromFile(photo);
    return mImageUri;
}

From source file:com.adaptris.util.datastore.TestSimpleDataStore.java

private static Properties createProperties() throws IOException {
    Properties sp = new Properties();
    File dataFile = File.createTempFile("junitsds", ".dat");
    File lockFile = File.createTempFile("junitsds", ".lock");
    dataFile.delete();
    lockFile.delete();//w  w  w. j a va  2 s  .c o  m
    sp.setProperty(SimpleDataStore.FILE_PROPERTY, dataFile.getCanonicalPath());
    sp.setProperty(SimpleDataStore.LOCK_PROPERTY, lockFile.getCanonicalPath());
    sp.setProperty(SimpleDataStore.MAXLOCK_PROPERTY, "10");
    return sp;
}

From source file:Main.java

public static boolean deleteFile(String path) {
    if (TextUtils.isEmpty(path)) {
        return true;
    }//from ww w .  j  a v a  2s.co m

    File file = new File(path);
    if (!file.exists()) {
        return true;
    }
    if (file.isFile()) {
        return file.delete();
    }
    if (!file.isDirectory()) {
        return false;
    }
    for (File f : file.listFiles()) {
        if (f.isFile()) {
            f.delete();
        } else if (f.isDirectory()) {
            deleteFile(f.getAbsolutePath());
        }
    }
    return file.delete();
}