Example usage for javax.jms BytesMessage readBytes

Introduction

In this page you can find the example usage for javax.jms BytesMessage readBytes.

Prototype

int readBytes(byte[] value) throws JMSException;

Source Link

Document

Reads a byte array from the bytes message stream.

Usage

From source file:fr.xebia.springframework.jms.support.converter.JaxbMessageConverter.java

/**
 * <p>//from   w  w  w .j a  v  a  2 s.  co  m
 * Unmarshal given <code>message</code> into an <code>object</code>.
 * </p>
 * 
 * <p>
 * Should we raise an exception if the XML message encoding is not in sync with the underlying TextMessage encoding when the JMS
 * Provider supports MOM message's encoding ?
 * </p>
 * 
 * @param message
 *            message to unmarshal, MUST be an instance of {@link TextMessage} or of {@link BytesMessage}.
 * @see org.springframework.jms.support.converter.MessageConverter#fromMessage(javax.jms.Message)
 * @see org.springframework.oxm.Unmarshaller#unmarshal(Source)
 */
public Object fromMessage(Message message) throws JMSException, MessageConversionException {

    Source source;
    if (message instanceof TextMessage) {
        TextMessage textMessage = (TextMessage) message;
        source = new StringSource(textMessage.getText());

    } else if (message instanceof BytesMessage) {
        BytesMessage bytesMessage = (BytesMessage) message;
        byte[] bytes = new byte[(int) bytesMessage.getBodyLength()];
        bytesMessage.readBytes(bytes);
        source = new StreamSource(new ByteArrayInputStream(bytes));

    } else {
        throw new MessageConversionException("Unsupported JMS Message type " + message.getClass()
                + ", expected instance of TextMessage or BytesMessage for " + message);
    }
    Object result = jaxb2Marshaller.unmarshal(source);

    return result;
}

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From source file:com.jkoolcloud.tnt4j.streams.parsers.ActivityJMSMessageParser.java

/**
 * Parse JMS {@link BytesMessage} activity info into activity data map.
 *
 * @param bytesMessage//from   www  .  j a v  a 2s.c  om
 *            JMS bytes message
 * @param dataMap
 *            activity data map collected from JMS {@link BytesMessage}
 * @throws JMSException
 *             if JMS exception occurs while reading bytes from message.
 */
protected void parseBytesMessage(BytesMessage bytesMessage, Map<String, Object> dataMap) throws JMSException {
    byte[] bytes = new byte[(int) bytesMessage.getBodyLength()];
    bytesMessage.readBytes(bytes);

    if (ArrayUtils.isNotEmpty(bytes)) {
        dataMap.put(StreamsConstants.ACTIVITY_DATA_KEY, convertToString ? Utils.getString(bytes) : bytes);
    }
}

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From source file:drepcap.frontend.jms.JmsAdapter.java

public void startReceiveData() throws JMSException {
    dataTopic = session.createTopic(componentName + ".data");
    dataConsumer = session.createConsumer(dataTopic);
    dataConsumer.setMessageListener(new MessageListener() {
        @Override//from  ww  w . j a v  a 2s .  c o m
        public void onMessage(Message msg) {
            for (ByteArrayReceiver baDataReceiver : byteArrayDataReceivers) {
                if (baDataReceiver != null && msg instanceof BytesMessage) {
                    BytesMessage bMsg = (BytesMessage) msg;
                    try {
                        byte[] data = new byte[(int) bMsg.getBodyLength()];
                        bMsg.readBytes(data);
                        baDataReceiver.process(data);
                    } catch (JMSException e) {
                        e.printStackTrace();
                    }
                }
            }

            for (ObjectReceiver objReceiver : objectReceivers) {
                if (objReceiver != null && msg instanceof ObjectMessage) {
                    ObjectMessage objMsg = (ObjectMessage) msg;
                    try {
                        objReceiver.process(objMsg.getObject());
                    } catch (JMSException e) {
                        e.printStackTrace();
                    }
                }
            }
        }
    });
}

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From source file:org.bremersee.common.jms.DefaultJmsConverter.java

private Object tryToGetPayload(BytesMessage msg, Class<?> payloadClass) throws JMSException {
    int len;//from  www.ja v  a 2  s  .  c  o m
    byte[] buf = new byte[1024];
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    while ((len = msg.readBytes(buf)) != -1) {
        out.write(buf, 0, len);
    }
    byte[] payloadBytes = out.toByteArray();
    if (payloadBytes == null || payloadBytes.length == 0) {
        return null;
    }

    Object payload = null;
    if (shouldTryJson(payloadClass, payloadBytes)) {
        try {
            payload = objectMapper.readValue(payloadBytes, payloadClass);

        } catch (Throwable t0) { // NOSONAR
            log.info("Reading JSON from message with JMSType [" + msg.getJMSType() + "] failed.");
        }
    }

    if (shouldTryUnmarshal(payload, payloadClass)) {
        try {
            payload = marshaller.unmarshal(new StreamSource(new ByteArrayInputStream(payloadBytes)));

        } catch (Throwable t0) { // NOSONAR
            log.info("Reading XML from message with JMSType [" + msg.getJMSType() + "] failed.");
        }
    }

    if (shouldTryDeserialize(payload, payloadClass)) {
        try {
            ObjectInputStream objectInputStream = new ObjectInputStream(new ByteArrayInputStream(payloadBytes));
            payload = objectInputStream.readObject();

        } catch (Throwable t0) { // NOSONAR
            log.info("Reading serialized object of JMSType [" + msg.getJMSType() + "] failed.");
        }
    }

    if (payload == null) {
        MessageConversionException e = new MessageConversionException("Converting BytesMessage failed.");
        log.error("Could not convert bytes:\n" + Base64.encodeBase64String(payloadBytes) + "\n", e);
        throw e;
    }

    return payload;
}

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From source file:com.kinglcc.spring.jms.core.converter.Jackson2JmsMessageConverter.java

/**
 * Convert a BytesMessage to a Java Object with the specified type.
 * @param message the input message/*from  www.  ja va2 s .  com*/
 * @return the message body
 * @throws JMSException if thrown by JMS
 * @throws IOException in case of I/O errors
 */
protected String getPayloadFromBytesMessage(BytesMessage message) throws JMSException, IOException {

    String encoding = this.encoding;
    if (this.encodingPropertyName != null && message.propertyExists(this.encodingPropertyName)) {
        encoding = message.getStringProperty(this.encodingPropertyName);
    }
    byte[] bytes = new byte[(int) message.getBodyLength()];
    message.readBytes(bytes);
    try {
        return new String(bytes, encoding);
    } catch (UnsupportedEncodingException ex) {
        throw new MessageConversionException("Cannot convert bytes to String", ex);
    }
}

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From source file:com.bitsofproof.supernode.core.ImplementBCSAPI.java

private void addTransactionRequestListener() throws JMSException {
    addMessageListener("transactionRequest", new MessageListener() {
        @Override//from w w  w  .ja  va2 s .c om
        public void onMessage(Message arg0) {
            BytesMessage o = (BytesMessage) arg0;
            try {
                byte[] body = new byte[(int) o.getBodyLength()];
                o.readBytes(body);
                String hash = new Hash(BCSAPIMessage.Hash.parseFrom(body).getHash(0).toByteArray()).toString();
                Transaction t = getTransaction(hash);
                if (t != null) {
                    reply(o.getJMSReplyTo(), t.toProtobuf().toByteArray());
                } else {
                    reply(o.getJMSReplyTo(), null);
                }
            } catch (Exception e) {
                log.trace("Rejected invalid transaction request ", e);
            }
        }
    });
}

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From source file:com.bitsofproof.supernode.core.ImplementBCSAPI.java

private void addBlockrequestListener() throws JMSException {
    addMessageListener("blockRequest", new MessageListener() {
        @Override/*  ww  w.j  a  v a2s  .com*/
        public void onMessage(Message arg0) {
            BytesMessage o = (BytesMessage) arg0;
            try {
                byte[] body = new byte[(int) o.getBodyLength()];
                o.readBytes(body);
                String hash = new Hash(BCSAPIMessage.Hash.parseFrom(body).getHash(0).toByteArray()).toString();
                Block b = getBlock(hash);
                if (b != null) {
                    reply(o.getJMSReplyTo(), b.toProtobuf().toByteArray());
                } else {
                    reply(o.getJMSReplyTo(), null);
                }
            } catch (Exception e) {
                log.trace("Rejected invalid block request ", e);
            }
        }
    });
}

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From source file:com.bitsofproof.supernode.core.ImplementBCSAPI.java

private void addColorRequestListener() throws JMSException {
    addMessageListener("colorRequest", new MessageListener() {
        @Override/*from   w  w w  .j a  v a  2 s. c o  m*/
        public void onMessage(Message message) {
            BytesMessage o = (BytesMessage) message;
            try {
                byte[] body = new byte[(int) o.getBodyLength()];
                o.readBytes(body);
                String hash = new Hash(BCSAPIMessage.Hash.parseFrom(body).getHash(0).toByteArray()).toString();
                Color c = getColor(hash);
                if (c != null) {
                    reply(o.getJMSReplyTo(), c.toProtobuf().toByteArray());
                } else {
                    reply(o.getJMSReplyTo(), null);
                }
            } catch (Exception e) {
                log.trace("Rejected invalid color request ", e);
            }
        }
    });
}

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From source file:com.bitsofproof.supernode.core.ImplementBCSAPI.java

private void addNewBlockListener() throws JMSException {
    addMessageListener("newBlock", new MessageListener() {
        @Override//  ww  w. j  ava 2s  .c  om
        public void onMessage(Message arg0) {
            BytesMessage o = (BytesMessage) arg0;
            try {
                byte[] body = new byte[(int) o.getBodyLength()];
                o.readBytes(body);
                Block block = Block.fromProtobuf(BCSAPIMessage.Block.parseFrom(body));
                block.computeHash();
                sendBlock(block);
                reply(o.getJMSReplyTo(), null);
            } catch (Exception e) {
                BCSAPIMessage.ExceptionMessage.Builder builder = BCSAPIMessage.ExceptionMessage.newBuilder();
                builder.setBcsapiversion(1);
                builder.addMessage(e.getMessage());
                try {
                    reply(o.getJMSReplyTo(), builder.build().toByteArray());
                } catch (JMSException e1) {
                    log.error("Can not send reply ", e1);
                }
            }
        }
    });
}

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From source file:com.bitsofproof.supernode.core.ImplementBCSAPI.java

private void addNewTransactionListener() throws JMSException {
    addMessageListener("newTransaction", new MessageListener() {
        @Override/*  ww  w .  j  av  a2s  .c o  m*/
        public void onMessage(Message arg0) {
            BytesMessage o = (BytesMessage) arg0;
            try {
                byte[] body = new byte[(int) o.getBodyLength()];
                o.readBytes(body);
                Transaction transaction = Transaction.fromProtobuf(BCSAPIMessage.Transaction.parseFrom(body));
                transaction.computeHash();
                sendTransaction(transaction);
                reply(o.getJMSReplyTo(), null);
            } catch (Exception e) {
                BCSAPIMessage.ExceptionMessage.Builder builder = BCSAPIMessage.ExceptionMessage.newBuilder();
                builder.setBcsapiversion(1);
                builder.addMessage(e.getMessage());
                try {
                    reply(o.getJMSReplyTo(), builder.build().toByteArray());
                } catch (JMSException e1) {
                    log.error("Can not send reply ", e1);
                }
            }
        }
    });
}

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