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[]) throws IOException 

Source Link

Document

Writes b.length bytes from the specified byte array to this file output stream.

Usage

From source file:net.arccotangent.pacchat.filesystem.KeyManager.java

@SuppressWarnings("ResultOfMethodCallIgnored")
public static void saveKeyByIP(String ip_address, PublicKey publicKey) {
    km_log.i("Saving public key for " + ip_address);
    X509EncodedKeySpec pubSpec = new X509EncodedKeySpec(publicKey.getEncoded());
    File pubFile = new File(installationPath + File.separator + ip_address + ".pub");

    km_log.i("Deleting old key if it exists.");
    if (pubFile.exists())
        pubFile.delete();/*from   ww w. j a va  2s  .  co m*/

    try {
        km_log.i(pubFile.createNewFile() ? "Creation of public key file successful."
                : "Creation of public key file failed!");

        FileOutputStream pubOut = new FileOutputStream(pubFile);
        pubOut.write(Base64.encodeBase64(pubSpec.getEncoded()));
        pubOut.flush();
        pubOut.close();

    } catch (IOException e) {
        km_log.e("Error while saving public key for " + ip_address + "!");
        e.printStackTrace();
    }
}

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From source file:Main.java

public static void getTelephonyManagerMethods(Context context) {
    String out;/*  w  w w.  j  ava  2 s.c  o m*/
    try {
        File dir = new File(String.valueOf(context.getFilesDir()));
        // create the file in which we will write the contents
        String fileName = "telephony.txt";
        File file = new File(dir, fileName);
        FileOutputStream os = new FileOutputStream(file);
        Class<?> c = Class.forName(GENERIC);
        Method[] cm = c.getDeclaredMethods();
        for (Method m : cm) {
            out = m.toString() + "\n";
            os.write(out.getBytes());
        }
        os.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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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 a  va  2s .  c om*/
 */
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

@SuppressLint("NewApi")
public static void getURL(String path) {
    String fileName = "";
    String dir = "/IndoorNavi/";
    File sdRoot = Environment.getExternalStorageDirectory();
    try {//w  w  w .  ja  va2  s . co  m
        // Open the URLConnection for reading
        URL u = new URL(path);
        // URL u = new URL("http://www.baidu.com/");
        HttpURLConnection uc = (HttpURLConnection) u.openConnection();

        int code = uc.getResponseCode();
        String response = uc.getResponseMessage();
        //System.out.println("HTTP/1.x " + code + " " + response);
        for (int j = 1;; j++) {
            String key = uc.getHeaderFieldKey(j);
            String header = uc.getHeaderField(j);
            if (!(key == null)) {
                if (key.equals("Content-Name"))
                    fileName = header;
            }
            if (header == null || key == null)
                break;
            //System.out.println(uc.getHeaderFieldKey(j) + ": " + header);
        }
        Log.i("zhr", fileName);
        //System.out.println();

        try (InputStream in = new BufferedInputStream(uc.getInputStream())) {

            // chain the InputStream to a Reader
            Reader r = new InputStreamReader(in);
            int c;
            File mapFile = new File(sdRoot, dir + fileName);
            mapFile.createNewFile();
            FileOutputStream filecon = new FileOutputStream(mapFile);
            while ((c = r.read()) != -1) {
                //System.out.print((char) c);
                filecon.write(c);
                filecon.flush();

            }
            filecon.close();
        }

    } catch (MalformedURLException ex) {
        System.err.println(path + " is not a parseable URL");
    } catch (IOException ex) {
        System.err.println(ex);
    }
}

---

From source file:Main.java

public static boolean copyFile(InputStream inputStream, File target) {
    boolean result = false;
    if (target == null) {
        return result;
    }/*from   ww w  . j a va 2  s  .co  m*/

    FileOutputStream fileOutputStream = null;
    try {
        fileOutputStream = new FileOutputStream(target);
        byte[] buffer = new byte[1024];
        while (inputStream.read(buffer) > 0) {
            fileOutputStream.write(buffer);
        }
        result = true;
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (fileOutputStream != null) {
            try {
                fileOutputStream.flush();
                fileOutputStream.close();
            } catch (IOException e) {
            }
        }
    }

    return result;
}

---

From source file:Main.java

public static boolean addFile(InputStream src, File dest) {
    try {// w  w  w.  j  a  va  2 s  .  c o m
        FileOutputStream out = new FileOutputStream(dest);

        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(src));
        String line;
        while ((line = bufferedReader.readLine()) != null) {
            out.write((line + "\n").getBytes());
        }

        out.close();
        bufferedReader.close();

        return true;
    } catch (IOException e) {
    }
    return false;
}

---

From source file:com.mpower.mintel.android.application.MIntel.java

private static void copyAudioFiles(String[] assetName) {
    for (int i = 0; i < assetName.length; i++) {
        File file = new File(METADATA_PATH, assetName[i]);
        if (!file.exists()) {
            AssetManager mngr = getAppContext().getAssets();
            ByteArrayBuffer baf = new ByteArrayBuffer(2048);
            try {
                InputStream path = mngr.open(assetName[i]);
                BufferedInputStream bis = new BufferedInputStream(path, 1024);
                int current = 0;
                while ((current = bis.read()) != -1) {
                    baf.append((byte) current);
                }/*www  .java  2s  .  com*/
                byte[] bitmapdata = baf.toByteArray();

                FileOutputStream fos;
                fos = new FileOutputStream(file);
                fos.write(bitmapdata);
                fos.flush();
                fos.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
}

---

From source file:com.sap.nwcloudmanager.api.LogAPI.java

public static void downloadLog(final Context context, final String appId, final String logName,
        final DownloadLogResponseHandler downloadLogResponseHandler) {

    NetWeaverCloudConfig config = NetWeaverCloudConfig.getInstance();
    getHttpClient().setBasicAuth(config.getUsername(), config.getPassword());
    String[] contentTypes = { "application/x-gzip" };
    getHttpClient().get("https://monitoring." + config.getHost() + "/log/api_basic/logs/" + config.getAccount()
            + "/" + appId + "/web/" + logName, null, new BinaryHttpResponseHandler(contentTypes) {

                /*/*from  w  w w .  jav a 2  s.  c o  m*/
                 * (non-Javadoc)
                 * 
                 * @see
                 * com.loopj.android.http.BinaryHttpResponseHandler#onSuccess(byte
                 * [])
                 */
                @Override
                public void onSuccess(byte[] arg0) {

                    GZIPInputStream gzis = null;

                    try {
                        gzis = new GZIPInputStream(new ByteArrayInputStream(arg0));

                        StringBuilder string = new StringBuilder();
                        byte[] data = new byte[4028];
                        int bytesRead;
                        while ((bytesRead = gzis.read(data)) != -1) {
                            string.append(new String(data, 0, bytesRead));
                        }

                        File downloadsFile = context.getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS);
                        if (downloadsFile.exists()) {
                            downloadsFile = new File(
                                    context.getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS)
                                            .getAbsolutePath() + "/" + logName);
                            FileOutputStream fos = new FileOutputStream(downloadsFile);
                            fos.write(string.toString().getBytes());
                            fos.close();
                        }

                        downloadLogResponseHandler.onSuccess(downloadsFile.getAbsolutePath());

                    } catch (IOException e) {
                        Log.e(e.getMessage());
                    } finally {
                        try {
                            if (gzis != null) {
                                gzis.close();
                            }
                        } catch (IOException e) {
                        }
                    }
                }

                @Override
                public void onFailure(Throwable arg0) {
                    downloadLogResponseHandler.onFailure(arg0, arg0.getMessage());
                }

            });
}

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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  v  a2 s.co m

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

---

From source file:com.mirth.connect.server.util.FileUtil.java

/**
 * @deprecated/* w w  w.j a  v a  2s.  c  om*/
 * @see org.apache.commons.io.FileUtils#writeByteArrayToFile(File, byte[])
 * @param fileName
 * @param append
 * @param bytes
 * @throws IOException
 */
public static void write(String fileName, boolean append, byte[] bytes) throws IOException {
    File file = new File(fileName);
    FileOutputStream fos = null;
    try {
        fos = new FileOutputStream(file, append);
        fos.write(bytes);
    } finally {
        if (fos != null) {
            fos.close();
        }
    }
}

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