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:nl.knaw.dans.easy.sword2examples.SimpleDeposit.java

public static URI depositPackage(File bagDir, IRI colIri, String uid, String pw) throws Exception {
    // 0. Zip the bagDir
    File zipFile = new File(bagDir.getAbsolutePath() + ".zip");
    zipFile.delete();
    Common.zipDirectory(bagDir, zipFile);

    // 1. Set up stream for calculating MD5
    MessageDigest md = MessageDigest.getInstance("MD5");
    try (FileInputStream fis = new FileInputStream(zipFile);
            DigestInputStream dis = new DigestInputStream(fis, md)) {

        // 2. Post entire bag to Col-IRI
        CloseableHttpClient http = Common.createHttpClient(colIri.toURI(), uid, pw);
        CloseableHttpResponse response = Common.sendChunk(dis, (int) zipFile.length(), "POST", colIri.toURI(),
                "bag.zip", "application/zip", http, false);

        // 3. Check the response. If transfer corrupt (MD5 doesn't check out), report and exit.
        String bodyText = Common.readEntityAsString(response.getEntity());
        if (response.getStatusLine().getStatusCode() != 201) {
            System.err.println("FAILED. Status = " + response.getStatusLine());
            System.err.println("Response body follows:");
            System.err.println(bodyText);
            System.exit(2);/*from   w w  w .  j  a  va  2  s . c o m*/
        }
        System.out.println("SUCCESS. Deposit receipt follows:");
        System.out.println(bodyText);

        // 4. Get the statement URL. This is the URL from which to retrieve the current status of the deposit.
        System.out.println("Retrieving Statement IRI (Stat-IRI) from deposit receipt ...");
        Entry receipt = Common.parse(bodyText);
        Link statLink = receipt.getLink("http://purl.org/net/sword/terms/statement");
        IRI statIri = statLink.getHref();
        System.out.println("Stat-IRI = " + statIri);

        // 5. Check statement every ten seconds (a bit too frantic, but okay for this test). If status changes:
        // report new status. If status is an error (INVALID, REJECTED, FAILED) or ARCHIVED: exit.
        return Common.trackDeposit(http, statIri.toURI());
    }
}

From source file:Main.java

public static boolean delSDFile(String filePath) {
    File file = new File(filePath);
    if (file == null || !file.exists() || file.isDirectory())
        return false;
    file.delete();
    return true;/*  w w  w  . ja v a  2  s .c o  m*/
}

From source file:Main.java

private static InputStream bitmap2InputStream(Context context, Bitmap bitmap) throws IOException {
    File file = new File(context.getFilesDir(), "wallpaper.jpg");
    if (file.exists()) {
        file.delete();
    }/* w ww.  j  a v  a2 s .  c om*/
    file.createNewFile();
    FileOutputStream fileOutputStream = new FileOutputStream(file);
    bitmap.compress(Bitmap.CompressFormat.JPEG, 90, fileOutputStream);
    fileOutputStream.close();
    return filePath2InputStream(file.getAbsolutePath());
}

From source file:Main.java

public static void removeFileAccountInfo(Context ctx) {
    File accountFile = ctx.getFileStreamPath(ACCOUNT_PREFERENCE);
    if (accountFile != null && accountFile.exists()) {
        accountFile.delete();
    }/*from   w w  w.j ava 2 s.  co  m*/
}

From source file:Main.java

/**
 * Save {@link String} to {@link File} witht the specified encoding
 *
 * @param string {@link String}/*from   www  . j a va2 s. c  om*/
 * @param path   Path of the file
 * @param string Encoding
 * @throws IOException
 */
public static void saveStringToFile(String string, File path, String encoding) throws IOException {
    if (path.exists()) {
        path.delete();
    }

    if ((path.getParentFile().mkdirs() || path.getParentFile().exists())
            && (path.exists() || path.createNewFile())) {
        Writer writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(path), encoding));
        writer.write(string);
        writer.close();
    }
}

From source file:Main.java

public static void write(String in, File file, boolean append) {
    if (file.exists()) {
        file.delete();
    }/*from   w ww.  j a va2s. c  o m*/
    try {
        file.createNewFile();
        FileWriter fw = new FileWriter(file, append);
        fw.write(in);
        fw.flush();
        fw.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:de.fhg.iais.commons.stream.AutoFileOutputStream.java

private static boolean deleteFile(File f) {
    return (f == null) || f.delete() || !f.exists();
}

From source file:Main.java

public static boolean deleteFile(final String fileName) {
    if (TextUtils.isEmpty(fileName)) {
        return false;
    }/*from  ww w .j a va  2s.  c  om*/

    boolean result = false;
    File file = new File(fileName);
    if (file.isFile() && file.exists()) {
        result = file.delete();
    }
    return result;
}

From source file:Main.java

static public void deleteReceiptImage(Context ctxt, int tripId, String imgName) {
    File file = new File(ctxt.getExternalFilesDir(null) + "/" + tripId, imgName);
    if (file.exists()) {
        boolean test = file.delete();
        assert test;
    }/*from w w  w. j  a  va  2 s .c  o m*/
}

From source file:Main.java

public static void saveBitmap(String filename, Bitmap bitmap) throws Exception {
    File file = new File(sAppContext.getCacheDir().getPath() + "/" + filename);
    if (file.exists()) {
        file.delete();
    }/*w  w  w  . j av  a 2 s .c  om*/
    file.createNewFile();
    FileOutputStream fos = new FileOutputStream(file);
    bitmap.compress(Bitmap.CompressFormat.PNG, 100, fos);
    fos.flush();
    fos.close();
}