Example usage for java.io FileOutputStream close

Introduction

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

Prototype

public void close() throws IOException

Source Link

Document

Closes this file output stream and releases any system resources associated with this stream.

Usage

From source file:Main.java

public static void saveImage(Context context, String fileName, Bitmap bitmap, int quality) throws IOException {
    if (bitmap == null || fileName == null || context == null)
        return;//from w w  w  . j a va2s  .  c  om

    FileOutputStream fos = context.openFileOutput(fileName, Context.MODE_PRIVATE);
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.JPEG, quality, stream);
    byte[] bytes = stream.toByteArray();
    fos.write(bytes);
    fos.close();
}

From source file:Main.java

public static void copyFile(File fromFile, File toFile, Boolean rewrite) {
    if (!fromFile.exists()) {
        return;//from w  ww . jav a  2  s.co  m
    }
    if (!fromFile.isFile()) {
        return;
    }
    if (!fromFile.canRead()) {
        return;
    }
    if (!toFile.getParentFile().exists()) {
        toFile.getParentFile().mkdirs();
    }
    if (toFile.exists() && rewrite) {
        toFile.delete();
    }

    try {
        java.io.FileInputStream fosfrom = new java.io.FileInputStream(fromFile);
        java.io.FileOutputStream fosto = new FileOutputStream(toFile);
        byte bt[] = new byte[1024];
        int c;
        while ((c = fosfrom.read(bt)) > 0) {
            fosto.write(bt, 0, c);
        }
        fosfrom.close();
        fosto.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

From source file:Main.java

public static void writeStringToFile(String string, File file) {
    FileOutputStream fos = null;
    try {/*from   ww w .j av  a  2s .  c  o  m*/
        fos = new FileOutputStream(file);
        fos.write(string.getBytes());
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (fos != null) {
            try {
                fos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

From source file:Main.java

public static void write(InputStream in, File file) {
    if (file.exists()) {
        file.delete();//  w  w w  .j a  va  2 s.c  o m
    }
    try {
        file.createNewFile();
        FileOutputStream out = new FileOutputStream(file);
        byte[] buffer = new byte[1024];
        while (in.read(buffer) > -1) {
            out.write(buffer);
        }
        out.flush();
        in.close();
        out.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.hazelcast.test.starter.HazelcastVersionLocator.java

private static File downloadFile(String url, File targetDirectory, String filename) {
    CloseableHttpClient client = HttpClients.createDefault();
    File targetFile = new File(targetDirectory, filename);
    if (targetFile.isFile() && targetFile.exists()) {
        return targetFile;
    }//  w  ww  . j a  v  a2 s .  c o m
    HttpGet request = new HttpGet(url);
    try {
        CloseableHttpResponse response = client.execute(request);
        if (response.getStatusLine().getStatusCode() != SC_OK) {
            throw new GuardianException("Cannot download file from " + url + ", http response code: "
                    + response.getStatusLine().getStatusCode());
        }
        HttpEntity entity = response.getEntity();
        FileOutputStream fos = new FileOutputStream(targetFile);
        entity.writeTo(fos);
        fos.close();
        targetFile.deleteOnExit();
        return targetFile;
    } catch (IOException e) {
        throw rethrowGuardianException(e);
    } finally {
        try {
            client.close();
        } catch (IOException e) {
            // ignore
        }
    }
}

From source file:in.cs654.chariot.ashva.AshvaProcessor.java

/**
 * This function takes in request, executes the request and returns the response.
 * The request is written into /tmp/<request_id>.req file. While running the docker container, /tmp dir is mounted
 * to /tmp of the container. This enables ease of data exchange. TODO encryption
 * Docker runs the request and puts the result into /tmp/<request_id>.res.
 * If the request specifies a timeout, it is picked up, else default timeout is set for the process to run
 * @param request containing function_name and other required information
 * @return response of the request/*from w w w  . j  av  a 2  s  .  c  o m*/
 */
private static BasicResponse handleTaskProcessingRequest(BasicRequest request) {
    final String requestID = request.getRequestId();
    try {
        final byte[] serializedBytes = AvroUtils.requestToBytes(request);
        final FileOutputStream fos = new FileOutputStream("/tmp/" + requestID + ".req");
        fos.write(serializedBytes);
        fos.close();
        String timeoutString = request.getExtraData().get("chariot_timeout");
        Long timeout;
        if (timeoutString != null) {
            timeout = Long.parseLong(timeoutString);
        } else {
            timeout = PROCESS_DEFAULT_TIMEOUT;
        }

        final String dockerImage = Mongo.getDockerImage(request.getDeviceId());
        final String cmd = "docker run -v /tmp:/tmp " + dockerImage + " /bin/chariot " + requestID;
        final Process process = Runtime.getRuntime().exec(cmd);
        TimeoutProcess timeoutProcess = new TimeoutProcess(process);
        timeoutProcess.start();
        try {
            timeoutProcess.join(timeout); // milliseconds
            if (timeoutProcess.exit != null) {
                File file = new File("/tmp/" + requestID + ".res");
                byte[] bytes = FileUtils.readFileToByteArray(file);
                LOGGER.info("Response generated for request " + requestID);
                return AvroUtils.bytesToResponse(bytes);
            } else {
                LOGGER.severe("Timeout in generating response for request " + requestID);
                return ResponseFactory.getTimeoutErrorResponse(request);
            }
        } catch (InterruptedException ignore) {
            timeoutProcess.interrupt();
            Thread.currentThread().interrupt();
            LOGGER.severe("Error in generating response for request " + requestID);
            return ResponseFactory.getErrorResponse(request);
        } finally {
            process.destroy();
        }
    } catch (IOException ignore) {
        LOGGER.severe("Error in generating response for request: " + requestID);
        return ResponseFactory.getErrorResponse(request);
    }
}

From source file:Main.java

public static String saveToInternalStorage(Bitmap bitmap, String title, Context context) throws IOException {
    ContextWrapper cw = new ContextWrapper(context);
    File directory = cw.getDir("bitmaps", Context.MODE_PRIVATE);
    File image = new File(directory, title);
    FileOutputStream fileOutputStream = null;
    try {/* www.j  a  v a2  s  .c om*/
        fileOutputStream = new FileOutputStream(image);
        bitmap.compress(Bitmap.CompressFormat.PNG, 100, fileOutputStream);
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        fileOutputStream.close();
    }
    return directory.getAbsolutePath();
}

From source file:IORoutines.java

public static void save(File file, byte[] content) throws IOException {
    FileOutputStream out = new FileOutputStream(file);
    try {//from   ww  w  .j  a  v a2s. co  m
        out.write(content);
    } finally {
        out.close();
    }
}

From source file:Main.java

public static void copyfile(String fromFilePath, String toFilePath, Boolean rewrite) {
    File fromFile = new File(fromFilePath);
    File toFile = new File(toFilePath);

    if (!fromFile.exists() || !fromFile.isFile() || !fromFile.canRead()) {
        return;//from w  w  w. j a  v  a  2 s.c  o m
    }

    if (!toFile.getParentFile().exists()) {
        toFile.getParentFile().mkdirs();
    }

    if (toFile.exists() && rewrite) {
        toFile.delete();
    }

    try {
        FileInputStream fosfrom = new FileInputStream(fromFile);
        FileOutputStream fosto = new FileOutputStream(toFile);

        byte[] bt = new byte[1024];
        int c;
        while ((c = fosfrom.read(bt)) > 0) {
            fosto.write(bt, 0, c);
        }
        fosfrom.close();
        fosto.close();

    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

}

From source file:Main.java

private static void streamToFile(InputStream is, File targetFile) throws IOException {
    FileOutputStream fos = new FileOutputStream(targetFile);
    byte[] bytes = new byte[1024];
    while (true) {
        int n = is.read(bytes);
        if (n < 0) {
            break;
        }/*w w  w  . j  av  a 2  s.c om*/
        fos.write(bytes, 0, n);
    }
    is.close();
    fos.close();
}