Example usage for java.io ByteArrayOutputStream close

Introduction

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

Prototype

public void close() throws IOException 

Source Link

Document

Closing a ByteArrayOutputStream has no effect.

Usage

From source file:it.polito.elite.dog.core.library.model.DeviceStatus.java

/**
 * Serialize a DeviceStatus into a String using a byte encoding
 * @param object//from ww w .ja v a  2s  .  c  o  m
 *          a DeviceStatus ready for serialization
 * @return a byte encoded String of a DeviceStatus
 * @throws IOException 
 */
public static String serializeToString(DeviceStatus object) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream encoder = new ObjectOutputStream(baos);
    //serialize the DeviceStatus
    encoder.writeObject(object);
    //flush and close everything
    encoder.flush();
    baos.flush();
    encoder.close();
    baos.close();
    return new String(Base64.encodeBase64(baos.toByteArray()));
}

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From source file:com.mirth.connect.connectors.jms.JmsMessageUtils.java

/**
 * @param message//  www .j av a2  s . c  o  m
 *            the message to receive the bytes from. Note this only works
 *            for TextMessge, ObjectMessage, StreamMessage and BytesMessage.
 * @return a byte array corresponding with the message payload
 * @throws JMSException
 *             if the message can't be read or if the message passed is a
 *             MapMessage
 * @throws java.io.IOException
 *             if a failiare occurs while stream and converting the message
 *             data
 */
public static byte[] getBytesFromMessage(Message message) throws JMSException, IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024 * 2];
    int len;

    if (message instanceof BytesMessage) {
        BytesMessage bMsg = (BytesMessage) message;
        // put message in read-only mode
        bMsg.reset();
        while ((len = bMsg.readBytes(buffer)) != -1) {
            baos.write(buffer, 0, len);
        }
    } else if (message instanceof StreamMessage) {
        StreamMessage sMsg = (StreamMessage) message;
        sMsg.reset();
        while ((len = sMsg.readBytes(buffer)) != -1) {
            baos.write(buffer, 0, len);
        }
    } else if (message instanceof ObjectMessage) {
        ObjectMessage oMsg = (ObjectMessage) message;
        ByteArrayOutputStream bs = new ByteArrayOutputStream();
        ObjectOutputStream os = new ObjectOutputStream(bs);
        os.writeObject(oMsg.getObject());
        os.flush();
        baos.write(bs.toByteArray());
        os.close();
        bs.close();
    } else if (message instanceof TextMessage) {
        TextMessage tMsg = (TextMessage) message;
        baos.write(tMsg.getText().getBytes());
    } else {
        throw new JMSException("Cannot get bytes from Map Message");
    }

    baos.flush();
    byte[] bytes = baos.toByteArray();
    baos.close();
    return bytes;
}

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From source file:outfox.dict.contest.util.FileUtils.java

/**
 * /*from   w  w  w .j  av  a  2 s  .c o m*/
 * @param file
 * @return
 */
public static byte[] getBytesFromFile(File file) {
    byte[] byteArray = null;
    try {
        if (file == null) {
            return null;
        }
        FileInputStream in = new FileInputStream(file);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        byte[] b = new byte[4096];
        int n;
        while ((n = in.read(b)) != -1) {
            out.write(b, 0, n);
        }
        byteArray = out.toByteArray();
        in.close();
        out.close();
    } catch (IOException e) {
        LOG.error("FileUtils.getBytesFromFile error...", e);
    }
    return byteArray;
}

---

From source file:Base64Decoder.java

/**
 * Returns the decoded form of the given encoded string.
 * //from w w  w  .  j a  v  a 2 s. c om
 * @param encoded
 *            the string to decode
 * @return the decoded form of the encoded string
 */
public static String decode(String encoded) {
    byte[] bytes = null;
    try {
        bytes = encoded.getBytes("8859_1");
    } catch (UnsupportedEncodingException ignored) {
    }

    Base64Decoder in = new Base64Decoder(new ByteArrayInputStream(bytes));

    ByteArrayOutputStream out = new ByteArrayOutputStream((int) (bytes.length * 0.67));

    try {
        byte[] buf = new byte[4 * 1024]; // 4K buffer
        int bytesRead;
        while ((bytesRead = in.read(buf)) != -1) {
            out.write(buf, 0, bytesRead);
        }
        out.close();

        return out.toString("8859_1");
    } catch (IOException ignored) {
        return null;
    }
}

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From source file:com.wareninja.opensource.gravatar4android.common.Utils.java

public static byte[] downloadImage_alternative2(String url) throws GenericException {

    byte[] imageData = null;
    try {//w  w  w .j  ava 2 s  .c o  m

        URLConnection connection = new URL(url).openConnection();

        InputStream stream = connection.getInputStream();

        //BufferedInputStream in=new BufferedInputStream(stream);//default 8k buffer
        BufferedInputStream in = new BufferedInputStream(stream, 10240);// 10k=10240, 2x8k=16384
        ByteArrayOutputStream out = new ByteArrayOutputStream(10240);
        int read;
        byte[] b = new byte[4096];

        while ((read = in.read(b)) != -1) {
            out.write(b, 0, read);
        }

        out.flush();
        out.close();

        imageData = out.toByteArray();
    } catch (FileNotFoundException e) {
        return null;
    } catch (Exception e) {

        Log.w(TAG, "Exc=" + e);
        throw new GenericException(e);
    }

    return imageData;
}

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From source file:com.moss.greenshell.wizard.catastrophe.PostMortemScreen.java

public static void submitErrorReport(final Throwable cause, final ErrorReportDecorator... decorators)
        throws Exception {

    List<ErrorReportChunk> chunks = new LinkedList<ErrorReportChunk>();

    try {/*from   ww  w .  ja  v a  2  s. co m*/
        if (cause instanceof InternalErrorException) {
            InternalErrorException ie = (InternalErrorException) cause;
            ErrorReportChunk chunk = new ErrorReportChunk("internal-error-id", "text/plain",
                    ie.id().getBytes("UTF8"));
            chunks.add(chunk);
        } else if (cause instanceof SOAPFaultException) {
            SOAPFaultException soapFault = (SOAPFaultException) cause;
            String content = soapFault.getFault().getFirstChild().getTextContent();
            String prefix = "Internal Service Error Occurred: ";
            if (content.startsWith(prefix)) {
                String id = content.substring(prefix.length());
                ErrorReportChunk chunk = new ErrorReportChunk("internal-error-id", "text/plain",
                        id.getBytes("UTF8"));
                chunks.add(chunk);
            }
        }
    } catch (Throwable t) {
        t.printStackTrace();
    }

    // STACK TRACE
    ByteArrayOutputStream stackBytes = new ByteArrayOutputStream();
    PrintStream stackPrintStream = new PrintStream(stackBytes);
    cause.printStackTrace(stackPrintStream);
    stackPrintStream.close();
    stackBytes.close();

    ErrorReportChunk chunk = new ErrorReportChunk("stack trace", "text/plain", stackBytes.toByteArray());
    chunks.add(chunk);

    // THREAD DUMP

    ByteArrayOutputStream dumpBytes = new ByteArrayOutputStream();
    PrintStream out = new PrintStream(dumpBytes);
    Map<Thread, StackTraceElement[]> traceMap = Thread.getAllStackTraces();
    for (Map.Entry<Thread, StackTraceElement[]> next : traceMap.entrySet()) {
        out.println();
        out.println(next.getKey().getName());
        for (StackTraceElement line : next.getValue()) {
            String className = emptyIfNull(line.getClassName());
            String methodName = emptyIfNull(line.getMethodName());
            String fileName = emptyIfNull(line.getFileName());

            out.println("    " + className + "." + methodName + " (" + fileName + " line "
                    + line.getLineNumber() + ")");
        }
    }
    out.flush();
    out.close();
    ErrorReportChunk stackDump = new ErrorReportChunk("thread dump", "text/plain", dumpBytes.toByteArray());
    chunks.add(stackDump);

    // SYSTEM PROPERTIES
    ByteArrayOutputStream propsBytes = new ByteArrayOutputStream();
    PrintStream propsOut = new PrintStream(propsBytes);
    for (Map.Entry<Object, Object> next : System.getProperties().entrySet()) {
        propsOut.println(" " + next.getKey() + "=" + next.getValue());
    }
    propsOut.flush();
    propsOut.close();
    chunks.add(new ErrorReportChunk("system properties", "text/plain", propsBytes.toByteArray()));

    // LOCAL CLOCK
    chunks.add(new ErrorReportChunk("local clock", "text/plain", new DateTime().toString().getBytes()));

    // NETWORKING
    StringBuffer networking = new StringBuffer();
    Enumeration<NetworkInterface> ifaces = NetworkInterface.getNetworkInterfaces();
    while (ifaces.hasMoreElements()) {
        NetworkInterface iface = ifaces.nextElement();
        networking.append("INTERFACE: " + iface.getName() + " (" + iface.getDisplayName() + ")\n");
        Enumeration<InetAddress> addresses = iface.getInetAddresses();
        while (addresses.hasMoreElements()) {
            InetAddress address = addresses.nextElement();
            networking.append("  Address:" + address.getHostAddress() + "\n");
            networking.append("      Cannonical Host Name: " + address.getCanonicalHostName() + "\n");
            networking.append("                 Host Name: " + address.getHostName() + "\n");
        }
    }
    chunks.add(new ErrorReportChunk("network configuration", "text/plain", networking.toString().getBytes()));

    // DECORATORS
    if (decorators != null) {
        for (ErrorReportDecorator decorator : decorators) {
            chunks.addAll(decorator.makeChunks(cause));
        }
    }
    ErrorReport report = new ErrorReport(chunks);
    Reporter reporter = new Reporter();
    ReportId id = reporter.submitReport(report);
}

---

From source file:Main.java

public static byte[] decompress(byte[] data, int off, int len) {
    byte[] output = null;
    Inflater decompresser = new Inflater();
    decompresser.reset();/*from  w  w  w .  j av  a  2  s  .co m*/
    //      decompresser.setInput(data);
    decompresser.setInput(data, off, len);

    ByteArrayOutputStream o = new ByteArrayOutputStream(data.length);
    try {
        byte[] buf = new byte[1024];
        while (!decompresser.finished()) {
            int i = decompresser.inflate(buf);
            o.write(buf, 0, i);
        }
        output = o.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        try {
            o.close();
            decompresser.end();
        } catch (Exception e) {
        }
    }

    return output;
}

---

From source file:com.mnt.base.util.HttpUtil.java

public static String readData(InputStream in) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    int len = 0;//from  w  w w  .  ja v a 2s . c om
    byte[] buff = new byte[1024];
    while ((len = in.read(buff)) > 0) {
        bos.write(buff, 0, len);
    }

    String result = bos.toString();
    bos.close();

    return result;
}

---

From source file:Main.java

public static byte[] zlibDecompress(byte[] data, int offset, int length) {
    byte[] output = null;

    Inflater decompresser = new Inflater();
    decompresser.reset();//from   www  .j  a v a2 s  .co  m
    try {
        decompresser.setInput(data, offset, length);
    } catch (Exception e) {
        return null;
    }

    ByteArrayOutputStream o = new ByteArrayOutputStream(data.length);
    try {
        byte[] buf = new byte[1024];
        while (!decompresser.finished()) {
            int i = decompresser.inflate(buf);
            o.write(buf, 0, i);
        }
        output = o.toByteArray();
    } catch (Exception e) {
        output = data;
        e.printStackTrace();
    } finally {
        try {
            o.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    decompresser.end();
    return output;
}

---

From source file:Main.java

/**
 * This class converts a DOM representation node to text.
 * @param node/*  ww w .j  ava  2 s  .  c  om*/
 * @return
 * @throws Exception
 */
public static final String toText(Node node) throws Exception {
    String ret = null;
    try {
        // Transform the DOM represent to text
        ByteArrayOutputStream xmlstr = new ByteArrayOutputStream();
        DOMSource source = new DOMSource(node);
        //source.setNode(node);

        StreamResult result = new StreamResult(xmlstr);
        Transformer trans = TransformerFactory.newInstance().newTransformer();
        trans.transform(source, result);

        xmlstr.close();

        ret = new String(xmlstr.toByteArray());

        if ((node instanceof Document) == false) {
            // Strip off any <?xml> header
            int index = ret.indexOf("<?xml");
            if (index != -1) {
                index = ret.indexOf("<", 1);
                if (index != -1) {
                    ret = ret.substring(index);
                } else {
                    index = ret.indexOf("?>");
                    if (index != -1) {
                        index += 2;

                        // Remove any trailing whitespaces after XML header
                        while (index < ret.length() && Character.isWhitespace(ret.charAt(index))) {
                            index++;
                        }

                        ret = ret.substring(index);
                    }
                }
            }
        }

    } catch (Exception e) {
        throw new Exception("Failed to transform DOM representation into text", e);
    }
    if (ret != null) {
        return format(ret);
    }
    return ret;
}

---

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