Example usage for java.io BufferedOutputStream BufferedOutputStream

List of usage examples for java.io BufferedOutputStream BufferedOutputStream

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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 String simplePost(String url, Bundle params, String method)
        throws MalformedURLException, IOException {
    OutputStream os;/*from  w w  w . j  a  va  2 s . c o  m*/

    System.setProperty("http.keepAlive", "false");
    HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
    conn.setRequestProperty("User-Agent", System.getProperties().getProperty("http.agent") + " agent");

    conn.setRequestMethod(method);
    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    conn.setDoOutput(true);
    conn.setDoInput(true);
    //conn.setRequestProperty("Connection", "Keep-Alive");

    conn.connect();

    os = new BufferedOutputStream(conn.getOutputStream());
    os.write(encodePostParams(params).getBytes());
    os.flush();

    String response = "";
    try {
        response = read(conn.getInputStream());
    } catch (FileNotFoundException e) {
        // Error Stream contains JSON that we can parse to a FB error
        response = read(conn.getErrorStream());
    }
    return response;
}

From source file:Main.java

public static boolean saveFileFromAssetsToSystem(Context context, String path, File destFile) {
    BufferedInputStream bis = null;
    BufferedOutputStream fos = null;
    try {//from  ww w  . java 2 s.co  m
        InputStream is = context.getAssets().open(path);
        bis = new BufferedInputStream(is);
        fos = new BufferedOutputStream(new FileOutputStream(destFile));
        byte[] buf = new byte[2048];
        int i;
        while ((i = bis.read(buf)) != -1) {
            fos.write(buf, 0, i);
        }
        fos.flush();
        return true;
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (bis != null) {
                bis.close();
            }
            if (fos != null) {
                fos.close();
            }
        } catch (IOException e1) {
            e1.printStackTrace();
        }
    }
    return false;
}

From source file:Main.java

/**
 * extracts a zip file to the given dir/*from   ww w . j  a  v a 2  s . c  o m*/
 * @param archive
 * @param destDir
 * @throws IOException 
 * @throws ZipException 
 * @throws Exception
 */
public static void extractZipArchive(File archive, File destDir) throws ZipException, IOException {
    if (!destDir.exists()) {
        destDir.mkdir();
    }

    ZipFile zipFile = new ZipFile(archive);
    Enumeration<? extends ZipEntry> entries = zipFile.entries();

    byte[] buffer = new byte[16384];
    int len;
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();

        String entryFileName = entry.getName();

        File dir = buildDirectoryHierarchyFor(entryFileName, destDir);
        if (!dir.exists()) {
            dir.mkdirs();
        }

        if (!entry.isDirectory()) {
            BufferedOutputStream bos = new BufferedOutputStream(
                    new FileOutputStream(new File(destDir, entryFileName)));

            BufferedInputStream bis = new BufferedInputStream(zipFile.getInputStream(entry));

            while ((len = bis.read(buffer)) > 0) {
                bos.write(buffer, 0, len);
            }

            bos.flush();
            bos.close();
            bis.close();
        }
    }
}

From source file:Main.java

public static void save(String filename, Document document) throws IOException {
    PrintStream out = null;/*from  w  w  w.java2 s  .  c  om*/
    try {
        out = new PrintStream(new BufferedOutputStream(new FileOutputStream(filename)), true, "UTF-8");
        // traceNode(document, "");
        print(out, document);
    } catch (Exception ex) {
        throw new IOException(ex.getLocalizedMessage());
    } finally {
        if (out != null)
            try {
                out.close();
            } catch (Exception e) {
                // ignore
            }
    }
}

From source file:Main.java

/**
 * This method serializes an object to an output stream.
 *
 * @param file The output file/*from   www . jav  a 2 s  . com*/
 * @param object The object to be serialized
 * @exception IOException IOError
        
 */
public static void serializeObject(File file, Object object) throws IOException {
    FileOutputStream fos = new FileOutputStream(file);
    try {
        ObjectOutputStream oos = new ObjectOutputStream(new BufferedOutputStream(fos));
        oos.writeObject(object);
        oos.flush();
    } finally {
        fos.close();
    }
}

From source file:Main.java

/**
 * Writes an object to an XML file./*from   w w  w .  j  av  a  2 s.  c  o  m*/
 * 
 * @param bean the bean
 * @param filename the filename
 * 
 * @throws IOException Signals that an I/O exception has occurred.
 */
public static void writeBeanToFile(Object bean, String filename) throws IOException {
    XMLEncoder encoder = null;
    try {
        encoder = new XMLEncoder(new BufferedOutputStream(new FileOutputStream(filename)));
        encoder.writeObject(bean);
    } finally {
        if (encoder != null) {
            encoder.close();
        }
    }
}

From source file:Main.java

private static boolean copyDex(Context ctx, String dexAssertPath, String dexPath) {
    AssetManager assets = ctx.getAssets();
    InputStream inStream = null;//from  w  w  w  .j  a  va2s  . c om
    OutputStream dexWriter = null;
    boolean suc = true;
    try {
        inStream = assets.open(dexAssertPath);
        FileOutputStream outStream = new FileOutputStream(dexPath);
        dexWriter = new BufferedOutputStream(outStream);
        byte[] buf = new byte[1024 * 8];
        int len;
        while ((len = inStream.read(buf)) > 0) {
            dexWriter.write(buf, 0, len);
        }
        dexWriter.close();
        inStream.close();
    } catch (Exception e) {
        e.printStackTrace();
        suc = false;
    } finally {
        try {
            if (null != inStream) {
                inStream.close();
            }
            if (null != dexWriter) {
                dexWriter.close();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    return suc;
}

From source file:com.pactera.edg.am.metamanager.extractor.util.AntZip.java

public static void zip(String sourceDir, String zipFile) {

    OutputStream os;/*from   w  ww .  ja va2 s . c  om*/

    try {

        os = new FileOutputStream(zipFile);

        BufferedOutputStream bos = new BufferedOutputStream(os);

        ZipOutputStream zos = new ZipOutputStream(bos);

        File file = new File(sourceDir);

        String basePath = null;

        if (file.isDirectory()) {

            basePath = file.getPath();

        } else {// ??

            basePath = file.getParent();

        }

        zipFile(file, basePath, zos);

        zos.closeEntry();

        zos.close();

    } catch (Exception e) {

        e.printStackTrace();

    }

}

From source file:com.sangupta.jerry.unsafe.UnsafeMemoryUtils.java

public static void writeToFile(UnsafeMemory memory, File file) throws IOException {
    FileOutputStream stream = null;
    BufferedOutputStream boss = null;
    try {//  w  w w  .j a  v a 2 s  . com
        final byte[] bytes = memory.getBuffer();
        final int length = memory.getPosition();

        stream = new FileOutputStream(file);
        boss = new BufferedOutputStream(stream);

        int CHUNK_SIZE = 1 << 20;
        int chunks = length / CHUNK_SIZE;
        int extra = length % CHUNK_SIZE;
        if (extra > 0) {
            chunks++;
        }

        for (int ki = 0; ki < chunks; ki++) {
            int delta = CHUNK_SIZE;
            if ((ki + 1) == chunks) {
                delta = extra;
            }
            boss.write(bytes, ki * CHUNK_SIZE, delta);
        }
    } catch (IOException e) {
        throw new IOException("Unable to write bytes to disk", e);
    } finally {
        IOUtils.closeQuietly(boss);
        IOUtils.closeQuietly(stream);
    }
}

From source file:Main.java

/**
 * author: liuxu// w  ww. jav  a2s  .  c  o m
 * save  bitmap into file
 * @param bitmap the bitmap
 * @param path full path of the file
 * @param quality  Hint to the compressor, 0-100. 0 meaning compress for
 *                 small size, 100 meaning compress for max quality. Some
 *                 formats, like PNG which is lossless, will ignore the
 *                 quality setting
 * @return true if success
 */
public static boolean saveBitmap(Bitmap bitmap, String path, int quality) {
    if (bitmap == null) {
        return false;
    }
    File file = new File(path);
    File parent = file.getParentFile();
    if (parent != null && !parent.exists()) {
        if (!parent.mkdirs()) {
            //Log.e(TAG, "saveBitmap, mkdir for parent fail");
            return false;
        }
    }
    try {
        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));
        bitmap.compress(Bitmap.CompressFormat.JPEG, quality, bos);
        bos.flush();
        bos.close();
    } catch (IOException e) {
        //Log.d(TAG, "saveBitmap fail", e);
        return false;
    }
    return true;
}