Example usage for java.io FileOutputStream write

Introduction

In this page you can find the example usage for java.io FileOutputStream write.

Prototype

public void write(byte b[], int off, int len) throws IOException 

Source Link

Document

Writes len bytes from the specified byte array starting at offset off to this file output stream.

Usage

From source file:com.ggasoftware.uitest.utils.FileUtil.java

/**
 * Check file download from url./*from   w w  w.ja  v  a 2 s .c om*/
 *
 * @param downloadUrl    - url of file to download
 * @param outputFilePath - file path for output
 * @throws Exception - exception
 */
public static void downloadFile(String downloadUrl, String outputFilePath) throws IOException {

    ReporterNGExt.logAction("", "", String.format("Download file form url: %s", downloadUrl));

    CookieStore cookieStore = seleniumCookiesToCookieStore();
    DefaultHttpClient httpClient = new DefaultHttpClient();
    httpClient.setCookieStore(cookieStore);
    HttpGet httpGet = new HttpGet(downloadUrl);
    HttpResponse response = httpClient.execute(httpGet);
    HttpEntity entity = response.getEntity();
    if (entity != null) {
        File outputFile = new File(outputFilePath);
        InputStream inputStream = entity.getContent();
        FileOutputStream fileOutputStream = new FileOutputStream(outputFile);
        int read;
        byte[] bytes = new byte[1024];
        while ((read = inputStream.read(bytes)) != -1) {
            fileOutputStream.write(bytes, 0, read);
        }
        fileOutputStream.close();
        ReporterNGExt.logTechnical(
                String.format("downloadFile: %d bytes. %s", outputFile.length(), entity.getContentType()));
    } else {
        ReporterNGExt.logFailedScreenshot(ReporterNGExt.BUSINESS_LEVEL, "Download failed!");
    }
}

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From source file:Main.java

public static File writeAssetToFile(Context ctx, String assetName, String destinationFile) throws IOException {
    File destination = new File(destinationFile);
    if (!destination.getParentFile().exists())
        destination.getParentFile().mkdirs();
    if (destination.exists())
        destination.delete();//from   w w w  .j  a  v a 2  s .com
    InputStream is = null;
    FileOutputStream fos = null;
    try {
        is = ctx.getAssets().open(assetName);
        fos = new FileOutputStream(destination);
        int read;
        byte[] buf = new byte[65536];
        while ((read = is.read(buf, 0, buf.length)) != -1) {
            fos.write(buf, 0, read);
        }
    } finally {
        if (is != null)
            is.close();
        if (fos != null)
            fos.close();
    }
    return destination;
}

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From source file:gabi.FileUploadServlet.java

private static void unzip(String zipFilePath, String destDir) {
    File dir = new File(destDir);
    // create output directory if it doesn't exist
    if (!dir.exists())
        dir.mkdirs();/*from   ww  w  .j a  v  a 2s. c  o m*/
    FileInputStream fis;
    //buffer for read and write data to file
    byte[] buffer = new byte[1024];
    try {
        fis = new FileInputStream(zipFilePath);
        ZipInputStream zis = new ZipInputStream(fis);
        ZipEntry ze = zis.getNextEntry();
        while (ze != null) {
            String fileName = ze.getName();
            File newFile = new File(destDir + File.separator + fileName);
            System.out.println("Unzipping to " + newFile.getAbsolutePath());
            //create directories for sub directories in zip
            new File(newFile.getParent()).mkdirs();
            FileOutputStream fos = new FileOutputStream(newFile);
            int len;
            while ((len = zis.read(buffer)) > 0) {
                fos.write(buffer, 0, len);
            }
            fos.close();
            //close this ZipEntry
            zis.closeEntry();
            ze = zis.getNextEntry();
        }
        //close last ZipEntry
        zis.closeEntry();
        zis.close();
        fis.close();
    } catch (IOException e) {
        e.printStackTrace();
    }

}

---

From source file:Main.java

public static byte[] copyFile(InputStream is, FileOutputStream os) throws IOException {
    MessageDigest digester = null;
    try {/*from w  w  w. j  a  v a2 s. com*/
        digester = MessageDigest.getInstance("MD5");

        byte[] buffer = new byte[16 * 1024];
        int length;
        while ((length = is.read(buffer)) > 0) {
            os.write(buffer, 0, length);
            digester.update(buffer, 0, length);
        }
        os.flush();
        os.close();

        //os.getFD().sync();
        //Log.d(TAG, "done copying");
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        is.close();
        Log.d(TAG, "done copying");
    }
    if (digester != null) {
        byte[] digest = digester.digest();
        return digest;
    }

    return null;
}

---

From source file:Main.java

public static boolean fileCopy(String from, String to) {
    boolean result = false;

    int size = 1 * 1024;

    FileInputStream in = null;/*from   w  ww  .  ja v  a  2  s. co  m*/
    FileOutputStream out = null;
    try {
        in = new FileInputStream(from);
        out = new FileOutputStream(to);
        byte[] buffer = new byte[size];
        int bytesRead = -1;
        while ((bytesRead = in.read(buffer)) != -1) {
            out.write(buffer, 0, bytesRead);
        }
        out.flush();
        result = true;
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (in != null) {
                in.close();
            }
        } catch (IOException e) {
        }
        try {
            if (out != null) {
                out.close();
            }
        } catch (IOException e) {
        }
    }
    return result;
}

---

From source file:FileCopy.java

public static void copy(String fromFileName, String toFileName) throws IOException {
    File fromFile = new File(fromFileName);
    File toFile = new File(toFileName);

    if (!fromFile.exists())
        throw new IOException("FileCopy: " + "no such source file: " + fromFileName);
    if (!fromFile.isFile())
        throw new IOException("FileCopy: " + "can't copy directory: " + fromFileName);
    if (!fromFile.canRead())
        throw new IOException("FileCopy: " + "source file is unreadable: " + fromFileName);

    if (toFile.isDirectory())
        toFile = new File(toFile, fromFile.getName());

    if (toFile.exists()) {
        if (!toFile.canWrite())
            throw new IOException("FileCopy: " + "destination file is unwriteable: " + toFileName);
        System.out.print("Overwrite existing file " + toFile.getName() + "? (Y/N): ");
        System.out.flush();// w w  w. j  a  v a 2  s . c o m
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String response = in.readLine();
        if (!response.equals("Y") && !response.equals("y"))
            throw new IOException("FileCopy: " + "existing file was not overwritten.");
    } else {
        String parent = toFile.getParent();
        if (parent == null)
            parent = System.getProperty("user.dir");
        File dir = new File(parent);
        if (!dir.exists())
            throw new IOException("FileCopy: " + "destination directory doesn't exist: " + parent);
        if (dir.isFile())
            throw new IOException("FileCopy: " + "destination is not a directory: " + parent);
        if (!dir.canWrite())
            throw new IOException("FileCopy: " + "destination directory is unwriteable: " + parent);
    }

    FileInputStream from = null;
    FileOutputStream to = null;
    try {
        from = new FileInputStream(fromFile);
        to = new FileOutputStream(toFile);
        byte[] buffer = new byte[4096];
        int bytesRead;

        while ((bytesRead = from.read(buffer)) != -1)
            to.write(buffer, 0, bytesRead); // write
    } finally {
        if (from != null)
            try {
                from.close();
            } catch (IOException e) {
                ;
            }
        if (to != null)
            try {
                to.close();
            } catch (IOException e) {
                ;
            }
    }
}

---

From source file:org.meshpoint.anode.util.ModuleUtils.java

public static boolean copyFile(File src, File dest) {
    boolean result = true;
    if (src.isDirectory()) {
        result = copyDir(src, dest);/*  w w w .  ja v  a  2 s .  co  m*/
    } else {
        try {
            int count;
            byte[] buf = new byte[1024];
            FileInputStream fis = new FileInputStream(src);
            FileOutputStream fos = new FileOutputStream(dest);
            while ((count = fis.read(buf, 0, 1024)) != -1)
                fos.write(buf, 0, count);
        } catch (IOException e) {
            Log.v(TAG, "moveFile exception: aborting; exception: " + e + "; src = " + src.toString()
                    + "; dest = " + dest.toString());
            return false;
        }
    }
    return result;
}

---

From source file:co.marcin.novaguilds.util.IOUtils.java

public static void saveInputStreamToFile(InputStream inputStream, File file) throws IOException {
    FileOutputStream outputStream = null;
    try {//  ww  w. ja v  a2s.c  o  m
        outputStream = new FileOutputStream(file);

        int read;
        byte[] bytes = new byte[1024];

        while ((read = inputStream.read(bytes)) != -1) {
            outputStream.write(bytes, 0, read);
        }
    } finally {
        if (inputStream != null) {
            inputStream.close();
        }
        if (outputStream != null) {
            outputStream.close();
        }
    }
}

---

From source file:Main.java

public static void copyInputToFile(InputStream in, String path) {
    BufferedInputStream bis = null;
    FileOutputStream fos = null;
    try {//from   w w  w .j a va  2  s  .c  o  m
        byte[] buffer = new byte[10 * 1024];
        bis = new BufferedInputStream(in);
        fos = new FileOutputStream(path);
        int a = bis.read(buffer, 0, buffer.length);
        while (a != -1) {
            fos.write(buffer, 0, a);
            fos.flush();
            a = bis.read(buffer, 0, buffer.length);
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        closeOutputStream(fos);
        closeInputStream(bis);
        closeInputStream(in);
    }
}

---

From source file:Main.java

private static void copyFileFromAssets(Context context, String destPathName, String fileName) {

    File destFile = new File(destPathName);

    if (!destFile.exists()) {

        try {//from   w w w  . j  a va2s  .c o m

            ///
            InputStream inputStream = context.getAssets().open(fileName);

            FileOutputStream outputStream = new FileOutputStream(destPathName);

            ///
            byte[] i_buffer = new byte[1024];

            for (;;) {

                int length = inputStream.read(i_buffer);

                if (length > 0) {

                    outputStream.write(i_buffer, 0, length);

                } else {

                    break;
                }
            }

            ///
            inputStream.close();

            outputStream.close();

        } catch (Exception e) {

            e.printStackTrace();
        }
    }
}

---

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