Example usage for java.io ByteArrayOutputStream flush

Introduction

In this page you can find the example usage for java.io ByteArrayOutputStream 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:org.apache.taverna.scufl2.wfdesc.TestConvertToWfdesc.java

@Test
public void stdin() throws Exception {
    byte[] input = IOUtils.toByteArray(getClass().getResourceAsStream("/" + HELLOWORLD_T2FLOW));
    assertTrue(input.length > 0);//from   w w  w .j a  va  2s.c o  m
    InputStream in = new ByteArrayInputStream(input);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    PrintStream outBuf = new PrintStream(out);
    try {
        System.setIn(in);
        System.setOut(outBuf);
        ConvertToWfdesc.main(new String[] {});
    } finally {
        restoreStd();
    }
    out.flush();
    out.close();
    String turtle = out.toString("utf-8");
    //System.out.println(turtle);
    assertTrue(turtle.contains("Hello_World"));
    assertTrue(turtle.contains("processor/hello/out/value"));
}

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From source file:edu.vt.alerts.android.library.tasks.RegistrationTask.java

private byte[] getBytes(InputStream is) throws Exception {
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    int nRead;// w  ww  . j av a2s  .co m
    byte[] data = new byte[16384];
    while ((nRead = is.read(data, 0, data.length)) != -1) {
        buffer.write(data, 0, nRead);
    }
    buffer.flush();
    byte[] bytes = buffer.toByteArray();
    Log.i("registration", "Have " + bytes.length + " bytes");
    return bytes;
}

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From source file:openlr.otk.binview.BinaryViewerOptions.java

/**
 * Reads the content of the input file.//from   w  w w . j a va2  s  .  c  om
 * 
 * @param isBase64
 *            Specifies if the content is of base-65-encoded data, or is yet
 *            the pure binary data.
 * @param inputData
 *            The input stream.
 * @return The binary location data.
 * @throws CommandLineParseException
 *             If an error occurs.
 */
private byte[] readContent(final boolean isBase64, final InputStream inputData)
        throws CommandLineParseException {
    byte[] data;
    if (isBase64) {
        // read base64 encoded string and decode to binary data
        BufferedReader br = null;
        StringBuffer base64String = new StringBuffer();
        try {
            br = new BufferedReader(new InputStreamReader(inputData, IOUtils.SYSTEM_DEFAULT_CHARSET));
            String line;
            while ((line = br.readLine()) != null) {
                base64String.append(line);
            }
        } catch (FileNotFoundException e) {
            throw new CommandLineParseException("Error reading input from " + inputOption.getInputSource(), e);
        } catch (IOException e) {
            throw new CommandLineParseException("Error reading input from " + inputOption.getInputSource(), e);
        } finally {
            if (br != null) {
                try {
                    br.close();
                } catch (IOException e) {
                    LOG.error("cannot close input reader");
                }
            }
        }
        data = BinaryDataViewer.transformBase64(base64String.toString().trim());
    } else {
        try {
            int b;
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            while ((b = inputData.read()) != -1) {
                bos.write(b);
            }
            bos.flush();
            data = bos.toByteArray();

        } catch (FileNotFoundException fnfe) {
            throw new CommandLineParseException(
                    "Error reading binary input from " + inputOption.getInputSource(), fnfe);
        } catch (IOException e) {
            throw new CommandLineParseException("the binary stream is not valid! " + e.getMessage(), e);
        }
    }
    return data;
}

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From source file:com.microsoft.office365.meetingmgr.HttpHelperBase.java

private byte[] responseToByteArray(HttpResponse response) {
    try {/*from   w ww  .  ja v  a2s .  c o  m*/
        InputStream stream = response.getEntity().getContent();
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();

        int nRead;
        byte[] data = new byte[1024];

        while ((nRead = stream.read(data, 0, data.length)) != -1) {
            buffer.write(data, 0, nRead);
        }

        buffer.flush();
        return buffer.toByteArray();

    } catch (IOException e) {
        ErrorLogger.log(e);
    }

    return null;
}

---

From source file:com.netflix.spinnaker.halyard.core.job.v1.JobExecutorLocal.java

@Override
public JobStatus updateJob(String jobId) {
    try {// ww w .j  a v a 2s  .com
        log.debug("Polling state for " + jobId + "...");
        ExecutionHandler handler = jobIdToHandlerMap.get(jobId);

        if (handler == null) {
            return null;
        }

        JobStatus jobStatus = new JobStatus().setId(jobId);

        DefaultExecuteResultHandler resultHandler;
        ByteArrayOutputStream stdOutStream;
        ByteArrayOutputStream stdErrStream;

        stdOutStream = handler.getStdOut();
        stdErrStream = handler.getStdErr();
        resultHandler = handler.getResultHandler();

        stdOutStream.flush();
        stdErrStream.flush();

        jobStatus.setStdOut(new String(stdOutStream.toByteArray()));
        jobStatus.setStdErr(new String(stdErrStream.toByteArray()));

        if (resultHandler.hasResult()) {
            jobStatus.setState(JobStatus.State.COMPLETED);

            int exitValue = resultHandler.getExitValue();
            log.info(jobId + " has terminated with exit code " + exitValue);

            if (exitValue == 0) {
                jobStatus.setResult(JobStatus.Result.SUCCESS);
            } else {
                jobStatus.setResult(JobStatus.Result.FAILURE);
            }

            jobIdToHandlerMap.remove(jobId);
        } else {
            jobStatus.setState(JobStatus.State.RUNNING);
        }

        return jobStatus;
    } catch (Exception e) {
        log.warn("Failed to retrieve status of " + jobId);
        return null;
    }
}

---

From source file:com.ikanow.infinit.e.harvest.extraction.document.file.FileHarvester.java

/**
 * Get a specific doc to return the bytes for
 * @throws Exception /*from   w w  w .  j a v a  2 s .  c o m*/
 */
public static byte[] getFile(String fileURL, SourcePojo source) throws Exception {
    InputStream in = null;
    try {
        InfiniteFile searchFile = searchFileShare(source, fileURL);

        if (searchFile == null)
            return null;
        else {
            //found the file, return the bytes
            in = searchFile.getInputStream();
            if (null == in)
                return null;

            ByteArrayOutputStream buffer = new ByteArrayOutputStream();

            int read;
            byte[] data = new byte[16384];
            while ((read = in.read(data, 0, data.length)) != -1) {
                buffer.write(data, 0, read);
            }
            buffer.flush();
            return buffer.toByteArray();
        }
    } catch (Exception e) {
        throw e;
    } finally {
        if (null != in) {
            in.close();
        }
    }
}

---

From source file:net.tawacentral.roger.secrets.FileUtils.java

/**
 * Read the secrets from the given input stream, decrypting with the given
 * cipher.//from  w  w w .  j  av a 2s . c o m
 *
 * @param input
 *          The input stream to read the secrets from.
 * @param cipher
 *          The cipher to decrypt the secrets with.
 * @return The secrets read from the stream.
 * @throws IOException
 * @throws ClassNotFoundException
 */
private static ArrayList<Secret> readSecrets(InputStream input, Cipher cipher, byte[] salt, int rounds)
        throws IOException, ClassNotFoundException {
    SaltAndRounds pair = getSaltAndRounds(input);
    if (!Arrays.equals(pair.salt, salt) || pair.rounds != rounds) {
        return null;
    }
    BufferedInputStream bis = new BufferedInputStream(input);
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    try {
        // read the whole stream into the buffer
        int nRead;
        byte[] data = new byte[4096];
        while ((nRead = bis.read(data, 0, data.length)) != -1) {
            buffer.write(data, 0, nRead);
        }
        buffer.flush();
        return FileUtils.fromEncryptedJSONSecretsStream(cipher, buffer.toByteArray());
    } finally {
        try {
            if (null != bis)
                bis.close();
        } catch (IOException ex) {
        }
    }
}

---

From source file:com.example.cognitive.personality.DemoServlet.java

private String getDefaultText() {
    if (mobydickcp1 == null) {
        byte[] encoded;
        //         try {
        //            Path path = Paths.get(this.getClass().getResource("mobydick.txt").toURI());
        //            encoded = Files.readAllBytes(path);
        //            mobydickcp1 =  new String(encoded, StandardCharsets.UTF_8);
        //            System.out.println(mobydickcp1);
        //         } catch (Exception e) {
        //            logger.log(Level.SEVERE, "mobidick.txt file not found: " + e.getMessage(), e);
        //         }
        try {/*www. j a  v  a  2s. co  m*/
            //URI uri = this.getClass().getResource("mobydick.txt").toURI();
            //String fileName = uri.getPath();
            //System.out.println(getClass()+" "+fileName);
            InputStream is = getServletContext().getResourceAsStream("/pi/mobydick.txt");
            System.out.println(getClass() + " is=" + is);
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            int nRead;
            byte[] data = new byte[16384];
            while ((nRead = is.read(data, 0, data.length)) != -1) {
                buffer.write(data, 0, nRead);
            }
            buffer.flush();
            encoded = buffer.toByteArray();
            //            RandomAccessFile f = new RandomAccessFile(fileName, "r");
            //            encoded = new byte[(int)f.length()];
            //            f.read(encoded);
            //            f.close();
            mobydickcp1 = new String(encoded, "UTF8");
            System.out.println(mobydickcp1);
        } catch (Exception e) {
            logger.log(Level.SEVERE, "mobidick.txt could not be read: " + e.getMessage(), e);
        }
    }
    return mobydickcp1;
}

---

From source file:org.apache.apex.malhar.sql.FileEndpointTest.java

private boolean waitTillStdoutIsPopulated(ByteArrayOutputStream baos, int timeout)
        throws InterruptedException, IOException {
    long now = System.currentTimeMillis();
    Collection<String> filter = Lists.newArrayList();
    while (System.currentTimeMillis() - now < timeout) {
        baos.flush();
        String[] sout = baos.toString().split(System.lineSeparator());
        filter = Collections2.filter(Arrays.asList(sout), Predicates.containsPattern("Delta Record:"));
        if (filter.size() != 0) {
            break;
        }/*ww  w  .  ja  v a2 s .  c  om*/

        Thread.sleep(500);
    }

    return (filter.size() != 0);
}

---

From source file:org.jsnap.http.base.HttpServlet.java

protected void doService(org.apache.http.HttpRequest request, org.apache.http.HttpResponse response)
        throws HttpException, IOException {
    // Client might keep the executing thread blocked for very long unless this header is added.
    response.addHeader(new Header(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE));
    // Create a wrapped request object.
    String uri, data;/*w  ww .jav a  2 s. c o  m*/
    String method = request.getRequestLine().getMethod();
    if (method.equals(HttpGet.METHOD_NAME)) {
        BasicHttpRequest get = (BasicHttpRequest) request;
        data = get.getRequestLine().getUri();
        int ix = data.indexOf('?');
        uri = (ix < 0 ? data : data.substring(0, ix));
        data = (ix < 0 ? "" : data.substring(ix + 1));
    } else if (method.equals(HttpPost.METHOD_NAME)) {
        BasicHttpEntityEnclosingRequest post = (BasicHttpEntityEnclosingRequest) request;
        HttpEntity postedEntity = post.getEntity();
        uri = post.getRequestLine().getUri();
        data = EntityUtils.toString(postedEntity);
    } else {
        response.setStatusCode(HttpStatus.SC_NOT_IMPLEMENTED);
        response.setHeader(new Header(HTTP.CONTENT_LEN, "0"));
        return;
    }
    String cookieLine = "";
    if (request.containsHeader(COOKIE)) {
        Header[] cookies = request.getHeaders(COOKIE);
        for (Header cookie : cookies) {
            if (cookieLine.length() > 0)
                cookieLine += "; ";
            cookieLine += cookie.getValue();
        }
    }
    HttpRequest req = new HttpRequest(uri, underlying, data, cookieLine);
    // Create a wrapped response object.
    ByteArrayOutputStream out = new ByteArrayOutputStream(BUFFER_SIZE);
    HttpResponse resp = new HttpResponse(out);
    // Do implementation specific processing.
    doServiceImpl(req, resp);
    out.flush(); // It's good practice to do this.
    // Do the actual writing to the actual response object.
    if (resp.redirectTo != null) {
        // Redirection is requested.
        resp.statusCode = HttpStatus.SC_MOVED_TEMPORARILY;
        response.setStatusCode(resp.statusCode);
        Header redirection = new Header(LOCATION, resp.redirectTo);
        response.setHeader(redirection);
        Logger.getLogger(HttpServlet.class).log(Level.DEBUG,
                "Status Code: " + Integer.toString(resp.statusCode));
        Logger.getLogger(HttpServlet.class).log(Level.DEBUG, redirection.toString());
    } else {
        // There will be a response entity.
        response.setStatusCode(resp.statusCode);
        HttpEntity entity;
        Header contentTypeHeader;
        boolean text = resp.contentType.startsWith(Formatter.TEXT);
        if (text) { // text/* ...
            entity = new StringEntity(out.toString(resp.characterSet), resp.characterSet);
            contentTypeHeader = new Header(HTTP.CONTENT_TYPE,
                    resp.contentType + HTTP.CHARSET_PARAM + resp.characterSet);
        } else { // application/octet-stream, image/* ...
            entity = new ByteArrayEntity(out.toByteArray());
            contentTypeHeader = new Header(HTTP.CONTENT_TYPE, resp.contentType);
        }
        boolean acceptsGzip = clientAcceptsGzip(request);
        long contentLength = entity.getContentLength();
        // If client accepts gzipped content, the implementing object requested that response
        // gets gzipped and size of the response exceeds implementing object's size threshold
        // response entity will be gzipped.
        boolean gzipped = false;
        if (acceptsGzip && resp.zipSize > 0 && contentLength >= resp.zipSize) {
            ByteArrayOutputStream zipped = new ByteArrayOutputStream(BUFFER_SIZE);
            GZIPOutputStream gzos = new GZIPOutputStream(zipped);
            entity.writeTo(gzos);
            gzos.close();
            entity = new ByteArrayEntity(zipped.toByteArray());
            contentLength = zipped.size();
            gzipped = true;
        }
        // This is where true writes are made.
        Header contentLengthHeader = new Header(HTTP.CONTENT_LEN, Long.toString(contentLength));
        Header contentEncodingHeader = null;
        response.setHeader(contentTypeHeader);
        response.setHeader(contentLengthHeader);
        if (gzipped) {
            contentEncodingHeader = new Header(CONTENT_ENCODING, Formatter.GZIP);
            response.setHeader(contentEncodingHeader);
        }
        response.setEntity(entity);
        // Log critical headers.
        Logger.getLogger(HttpServlet.class).log(Level.DEBUG,
                "Status Code: " + Integer.toString(resp.statusCode));
        Logger.getLogger(HttpServlet.class).log(Level.DEBUG, contentTypeHeader.toString());
        if (gzipped)
            Logger.getLogger(HttpServlet.class).log(Level.DEBUG, contentEncodingHeader.toString());
        Logger.getLogger(HttpServlet.class).log(Level.DEBUG, contentLengthHeader.toString());
    }
    // Log cookies.
    for (Cookie cookie : resp.cookies) {
        if (cookie.valid()) {
            Header h = new Header(SET_COOKIE, cookie.toString());
            response.addHeader(h);
            Logger.getLogger(HttpServlet.class).log(Level.DEBUG, h.toString());
        }
    }
}

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