Example usage for java.io OutputStream flush

List of usage examples for java.io OutputStream flush

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Introduction

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

Prototype

public void flush() throws IOException

Source Link

Document

Flushes this output stream and forces any buffered output bytes to be written out.

Usage

From source file:foam.zizim.android.net.BoskoiHttpClient.java

public static byte[] fetchImage(String address) throws MalformedURLException, IOException {
    InputStream in = null;//from  w  w w.java2s  .  c o m
    OutputStream out = null;

    try {
        in = new BufferedInputStream(new URL(address).openStream(), IO_BUFFER_SIZE);

        final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
        out = new BufferedOutputStream(dataStream, 4 * 1024);
        copy(in, out);
        out.flush();

        //need to close stream before return statement
        closeStream(in);
        closeStream(out);

        return dataStream.toByteArray();
    } catch (IOException e) {
        //android.util.Log.e("IO", "Could not load buddy icon: " + this, e);

    } finally {
        closeStream(in);
        closeStream(out);

    }
    return null;
    /*final URL url = new URL(address);
    final Object content = url.getContent();
    return content;*/
}

From source file:eu.scape_project.spacip.utils.IOUtils.java

/**
 * Reads a file and copies the content to an output stream
 *
 * @param file File to be read//from w  w w  .  jav  a  2 s.c  om
 * @param output Output stream
 * @param bufferSize Buffer size
 * @return
 */
public static void copyFileToOutputStream(File file, OutputStream output, int bufferSize) {
    InputStream input = null;
    byte[] buf = new byte[bufferSize];
    try {
        input = new BufferedInputStream(new FileInputStream(file));
        int bytesRead = input.read(buf);
        while (bytesRead != -1) {
            output.write(buf, 0, bytesRead);
            bytesRead = input.read(buf);
        }
        output.flush();
    } catch (IOException e) {
        logger.error("IOException occurred", e);
    } finally {
        try {
            if (input != null) {
                input.close();
                output.close();
            }
        } catch (Exception _) {
        }
    }
}

From source file:com.hybris.mobile.data.WebServiceDataProvider.java

/**
 * Synchronous call for logging in/* w  w  w  .  j  a  va2  s. c om*/
 * 
 * @param httpBody
 * @return The data from the server as a string, in almost all cases JSON
 * @throws MalformedURLException
 * @throws IOException
 * @throws JSONException
 */
public static String getLoginResponse(Bundle httpBody) throws MalformedURLException, IOException {
    String response = "";
    URL url = new URL(WebServiceAuthProvider.tokenURL());
    trustAllHosts();
    HttpsURLConnection connection = createSecureConnection(url);
    connection.setHostnameVerifier(DO_NOT_VERIFY);
    String authString = "mobile_android:secret";
    String authValue = "Basic " + Base64.encodeToString(authString.getBytes(), Base64.NO_WRAP);

    connection.setRequestMethod("POST");
    connection.setRequestProperty("Authorization", authValue);
    connection.setDoOutput(true);
    connection.setDoInput(true);
    connection.connect();

    OutputStream os = new BufferedOutputStream(connection.getOutputStream());
    os.write(encodePostBody(httpBody).getBytes());
    os.flush();
    try {
        LoggingUtils.d(LOG_TAG, connection.toString());
        response = readFromStream(connection.getInputStream());
    } catch (MalformedURLException e) {
        LoggingUtils.e(LOG_TAG,
                "Error reading stream \"" + connection.getInputStream() + "\". " + e.getLocalizedMessage(),
                null);
    } catch (IOException e) {
        response = readFromStream(connection.getErrorStream());
    } finally {
        connection.disconnect();
    }

    return response;
}

From source file:Main.java

/**
 * Save jpeg image with background color
 * @param strFileName Save file path/*from  ww w .java 2  s.c  o m*/
 * @param bitmap Input bitmap
 * @param nQuality Jpeg quality for saving
 * @param nBackgroundColor background color
 * @return whether success or not
 */
public static boolean saveBitmapJPEGWithBackgroundColor(String strFileName, Bitmap bitmap, int nQuality,
        int nBackgroundColor) {
    boolean bSuccess1 = false;
    boolean bSuccess2 = false;
    boolean bSuccess3;
    File saveFile = new File(strFileName);

    if (saveFile.exists()) {
        if (!saveFile.delete())
            return false;
    }

    int nA = (nBackgroundColor >> 24) & 0xff;

    // If Background color alpha is 0, Background color substitutes as white
    if (nA == 0)
        nBackgroundColor = 0xFFFFFFFF;

    Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    Bitmap newBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(newBitmap);
    canvas.drawColor(nBackgroundColor);
    canvas.drawBitmap(bitmap, rect, rect, new Paint());

    // Quality limitation min/max
    if (nQuality < 10)
        nQuality = 10;
    else if (nQuality > 100)
        nQuality = 100;

    OutputStream out = null;

    try {
        bSuccess1 = saveFile.createNewFile();
    } catch (IOException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        out = new FileOutputStream(saveFile);
        bSuccess2 = newBitmap.compress(CompressFormat.JPEG, nQuality, out);
    } catch (Exception e) {
        e.printStackTrace();
    }

    try {
        if (out != null) {
            out.flush();
            out.close();
            bSuccess3 = true;
        } else
            bSuccess3 = false;

    } catch (IOException e) {
        e.printStackTrace();
        bSuccess3 = false;
    } finally {
        if (out != null) {
            try {
                out.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }

    return (bSuccess1 && bSuccess2 && bSuccess3);
}

From source file:Main.java

static public final String readPassword(OutputStream out, InputStream in) throws IOException {
    int rd = in.read();
    if (rd == -1)
        return null;
    byte r = (byte) rd;
    int i = 0;/*from  w  w  w  .j a va 2 s.  co  m*/
    int l = 50;
    byte[] buf = new byte[l];
    while (r != '\n') {
        if (i >= l - 1) {
            l += 50;
            byte[] old = buf;
            buf = new byte[l];
            System.arraycopy(old, 0, buf, 0, old.length);
        }
        if (r != '\r') {
            buf[i++] = r;
            out.write('\b');
            out.write('*');
            out.flush();
        }
        rd = in.read();
        if (rd == -1)
            break;
        r = (byte) rd;
    }
    return new String(buf, 0, i);
}

From source file:Main.java

/**
 * Save jpeg image with background color
 * @param strFileName Save file path/*from   www  .jav a  2s  .  c  o m*/
 * @param bitmap Input bitmap
 * @param nQuality Jpeg quality for saving
 * @param nBackgroundColor background color
 * @return whether success or not
 */
public static boolean saveBitmapJPEGWithBackgroundColor(String strFileName, Bitmap bitmap, int nQuality,
        int nBackgroundColor) {
    boolean bSuccess1 = false;
    boolean bSuccess2 = false;
    boolean bSuccess3;
    File saveFile = new File(strFileName);

    if (saveFile.exists()) {
        if (!saveFile.delete())
            return false;
    }

    int nA = (nBackgroundColor >> 24) & 0xff;

    // If Background color alpha is 0, Background color substitutes as white
    if (nA == 0)
        nBackgroundColor = 0xFFFFFFFF;

    Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    Bitmap newBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(newBitmap);
    canvas.drawColor(nBackgroundColor);
    canvas.drawBitmap(newBitmap, rect, rect, new Paint());
    canvas.drawBitmap(bitmap, rect, rect, new Paint());

    // Quality limitation min/max
    if (nQuality < 10)
        nQuality = 10;
    else if (nQuality > 100)
        nQuality = 100;

    OutputStream out = null;

    try {
        bSuccess1 = saveFile.createNewFile();
    } catch (IOException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        out = new FileOutputStream(saveFile);
        bSuccess2 = newBitmap.compress(CompressFormat.JPEG, nQuality, out);
    } catch (Exception e) {
        e.printStackTrace();
    }

    try {
        if (out != null) {
            out.flush();
            out.close();
            bSuccess3 = true;
        } else
            bSuccess3 = false;

    } catch (IOException e) {
        e.printStackTrace();
        bSuccess3 = false;
    } finally {
        if (out != null) {
            try {
                out.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }

    return (bSuccess1 && bSuccess2 && bSuccess3);
}

From source file:org.dkpro.lab.Util.java

/**
 * Shove data from an {@link InputStream} into an {@link OutputStream}.
 * Neither of the streams are closed after the operation.
 *
 * @param is the source./* w  w  w . ja v  a2  s.c om*/
 * @param os the target.
 * @throws IOException in case of read or write problems.
 */
public static void shove(final InputStream is, final OutputStream os) throws IOException {
    byte[] buffer = new byte[65536];
    int read;
    while (true) {
        read = is.read(buffer);
        if (read == -1) {
            break;
        }
        os.write(buffer, 0, read);
    }
    os.flush();
}

From source file:com.omertron.fanarttvapi.TestLogger.java

/**
 * Save properties to a file/*  ww  w .  ja  v a2s  . c o  m*/
 *
 * @param props
 * @param propertyFile
 * @param headerText
 */
public static void saveProperties(Properties props, File propertyFile, String headerText) {
    OutputStream out = null;

    try {
        out = new FileOutputStream(propertyFile);
        if (StringUtils.isNotBlank(headerText)) {
            props.store(out, headerText);
        }
    } catch (FileNotFoundException ex) {
        LOG.warn("Failed to find properties file", ex);
    } catch (IOException ex) {
        LOG.warn("Failed to read properties file", ex);
    } finally {
        if (out != null) {
            try {
                out.flush();
                out.close();
            } catch (IOException ex) {
                LOG.warn("Failed to close properties file", ex);
            }
        }
    }
}

From source file:ca.simplegames.micro.utils.IO.java

/**
 * Copy the contents of the given InputStream to the given OutputStream.
 * Closes both streams when done.//ww  w. ja v  a  2s  . c om
 *
 * @param in  the stream to copy from
 * @param out the stream to copy to
 * @return the number of bytes copied
 * @throws IOException in case of I/O errors
 */
public static long copy(InputStream in, OutputStream out) throws IOException {
    try {
        int byteCount = 0;
        byte[] buffer = new byte[BUFFER_SIZE];
        int bytesRead;
        while ((bytesRead = in.read(buffer)) != -1) {
            out.write(buffer, 0, bytesRead);
            byteCount += bytesRead;
        }
        out.flush();
        return byteCount;
    } finally {
        IO.close(in);
        IO.close(out);
    }
}

From source file:most.voip.api.Utils.java

static void copyAssets(Context ctx) {
    AssetManager assetManager = ctx.getAssets();
    String[] files = null;/*w  ww  .  j a  v  a  2 s . com*/
    try {
        files = assetManager.list("");
    } catch (IOException e) {
        Log.e(TAG, "Failed to get asset file list.", e);
    }
    for (String filename : files) {
        InputStream in = null;
        OutputStream out = null;
        try {
            in = assetManager.open(filename);
            File outFile = new File(ctx.getExternalFilesDir(null), filename);
            Log.d(TAG, "Copying asset to " + outFile.getAbsolutePath());
            out = new FileOutputStream(outFile);
            copyFile(in, out);
            in.close();
            in = null;
            out.flush();
            out.close();
            out = null;
        } catch (IOException e) {
            Log.e("tag", "Failed to copy asset file: " + filename, e);
        }
    }
}