Example usage for java.io BufferedOutputStream BufferedOutputStream

Introduction

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

Prototype

public BufferedOutputStream(OutputStream out)

Source Link

Document

Creates a new buffered output stream to write data to the specified underlying output stream.

Usage

From source file:Main.java

public static boolean saveFile(Bitmap bm, String path) {
    if (bm == null || path == null)
        return false;
    File myCaptureFile = new File(path);
    if (myCaptureFile.exists()) {
        myCaptureFile.delete();/*from  ww  w.  j  a  v a2s.c om*/
    }
    try {
        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(myCaptureFile));
        bm.compress(Bitmap.CompressFormat.JPEG, 80, bos);
        bos.flush();
        bos.close();
        return true;
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return false;
}

From source file:Main.java

public static File getFileFromBytes(byte[] b, String outputFile) {
    BufferedOutputStream stream = null;
    File file = null;/* w w  w.  j  a  v  a2s .  c om*/
    try {
        file = new File(outputFile);
        if (!file.getParentFile().exists()) {
            file.getParentFile().mkdirs();
        }
        FileOutputStream fstream = new FileOutputStream(file);
        stream = new BufferedOutputStream(fstream);
        stream.write(b);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (stream != null) {
            try {
                stream.close();
            } catch (IOException e1) {
                e1.printStackTrace();
            }
        }
    }
    return file;
}

From source file:Main.java

public static void copyDatabase2FileDir(Context context, String dbName) {
    InputStream stream = null;//from w w w.ja  va  2s. c  om
    BufferedOutputStream outputStream = null;
    try {

        stream = context.getAssets().open(dbName);
        File file = new File(context.getFilesDir(), dbName);

        outputStream = new BufferedOutputStream(new FileOutputStream(file));
        int len = 0;
        byte[] buf = new byte[1024];
        while ((len = stream.read(buf)) != -1) {
            outputStream.write(buf, 0, len);
            outputStream.flush();
        }

    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (stream != null) {
            try {
                stream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        if (outputStream != null) {
            try {
                outputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

From source file:Main.java

public static void compressAFileToZip(File zip, File source) throws IOException {
    Log.d("source: " + source.getAbsolutePath(), ", length: " + source.length());
    Log.d("zip:", zip.getAbsolutePath());
    zip.getParentFile().mkdirs();/*  w w  w .ja  v  a 2 s . c  o  m*/
    File tempFile = new File(zip.getAbsolutePath() + ".tmp");
    FileOutputStream fos = new FileOutputStream(tempFile);
    BufferedOutputStream bos = new BufferedOutputStream(fos);
    ZipOutputStream zos = new ZipOutputStream(bos);
    ZipEntry zipEntry = new ZipEntry(source.getName());
    zipEntry.setTime(source.lastModified());
    zos.putNextEntry(zipEntry);

    FileInputStream fis = new FileInputStream(source);
    BufferedInputStream bis = new BufferedInputStream(fis);
    byte[] bArr = new byte[4096];
    int byteRead = 0;
    while ((byteRead = bis.read(bArr)) != -1) {
        zos.write(bArr, 0, byteRead);
    }
    zos.flush();
    zos.closeEntry();
    zos.close();
    Log.d("zipEntry: " + zipEntry, "compressedSize: " + zipEntry.getCompressedSize());
    bos.flush();
    fos.flush();
    bos.close();
    fos.close();
    bis.close();
    fis.close();
    zip.delete();
    tempFile.renameTo(zip);
}

From source file:Main.java

/**
 *  Move the file in oldLocation to newLocation.
 *//*from   www. j  a  v a 2s  . c  o m*/
public static void moveFile(String tempLocation, String newLocation) throws IOException {
    File oldLocation = new File(tempLocation);
    if (oldLocation != null && oldLocation.exists()) {
        BufferedInputStream reader = new BufferedInputStream(new FileInputStream(oldLocation));
        BufferedOutputStream writer = new BufferedOutputStream(new FileOutputStream(newLocation, false));
        try {
            byte[] buff = new byte[8192];
            int numChars;
            while ((numChars = reader.read(buff, 0, buff.length)) != -1) {
                writer.write(buff, 0, numChars);
            }
        } catch (IOException ex) {
        } finally {
            try {
                if (reader != null) {
                    writer.close();
                    reader.close();
                }
            } catch (IOException ex) {
            }
        }
    } else {
    }
}

From source file:Main.java

public static void compressDir(File file) throws IOException {
    FileOutputStream f = new FileOutputStream(file.getParent() + file.getName() + ".zip");
    CheckedOutputStream cs = new CheckedOutputStream(f, new Adler32());
    ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(cs));

    compressDir(file, out, file.getAbsolutePath());

    out.flush();/*w  ww.j a v a2 s.  c  om*/
    out.close();
}

From source file:Main.java

/**
 * Copies a file from res/raw to destination (typically context.getFilesDir())
 *//*www.  j a  v a  2s  .com*/
public static void copyInputFileStreamToFilesystem(InputStream in, String outputFilePathName)
        throws IOException {
    Log.i(TAG, "copyInputFileStreamToFilesystem() outputFilePathName: " + outputFilePathName);
    OutputStream out = new BufferedOutputStream(new FileOutputStream(outputFilePathName));
    byte[] buffer = new byte[4096];
    int len = in.read(buffer);
    while (len != -1) {
        out.write(buffer, 0, len);
        len = in.read(buffer);
    }
    out.close();
}

From source file:Main.java

public static int copyFile(String fileDir, String fileName, byte[] buffer) {
    if (buffer == null) {
        return -2;
    }/*from   www . j  a v a2s . co  m*/

    try {
        File file = new File(fileDir);
        if (!file.exists()) {
            file.mkdirs();
        }
        File resultFile = new File(file, fileName);
        if (!resultFile.exists()) {
            resultFile.createNewFile();
        }
        BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(
                new FileOutputStream(resultFile, true));
        bufferedOutputStream.write(buffer);
        bufferedOutputStream.flush();
        bufferedOutputStream.close();
        return 0;

    } catch (Exception e) {
    }
    return -1;
}

From source file:Main.java

public static boolean prepareDex(Context context, File dexInternalStoragePath, String dexFile) {
    BufferedInputStream bis = null;
    OutputStream dexWriter = null;

    try {// w  w  w  .  j  ava 2s  . c  o m
        bis = new BufferedInputStream(context.getAssets().open(dexFile));
        dexWriter = new BufferedOutputStream(new FileOutputStream(dexInternalStoragePath));
        byte[] buf = new byte[BUF_SIZE];
        int len;
        while ((len = bis.read(buf, 0, BUF_SIZE)) > 0) {
            dexWriter.write(buf, 0, len);
        }
        dexWriter.close();
        bis.close();
        return true;
    } catch (IOException e) {
        if (dexWriter != null) {
            try {
                dexWriter.close();
            } catch (IOException ioe) {
                ioe.printStackTrace();
            }
        }
        if (bis != null) {
            try {
                bis.close();
            } catch (IOException ioe) {
                ioe.printStackTrace();
            }
        }
        return false;
    }
}

From source file:Main.java

public static long downloadFileFromUrl(String urlPath, File file) {
    long size = 0;
    try {/*from  w  w  w.j av  a 2  s .c om*/
        URL url = new URL(urlPath);
        HttpURLConnection httpurlconnection = (HttpURLConnection) url.openConnection();
        BufferedInputStream bufferedinputstream = new BufferedInputStream(httpurlconnection.getInputStream());
        BufferedOutputStream bufferedoutputstream = new BufferedOutputStream(new FileOutputStream(file));
        int i;
        while ((i = bufferedinputstream.read()) != -1) {
            bufferedoutputstream.write(i);
        }
        bufferedinputstream.close();
        bufferedoutputstream.close();
        httpurlconnection.disconnect();
        size = file.length();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return size;
}