Package org.apache.activemq.util

Examples of org.apache.activemq.util.ByteArrayOutputStream

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    private static final int MAX_DATA_LENGTH = 1024 * 1024 * 100;

    private int version = 1;

    public ByteSequence marshal(Object command) throws IOException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(baos);
        marshal(command, dos);
        dos.close();
        return baos.toByteSequence();
    }
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            } else {

                // We don't know how much to read.. data ends when we hit a 0
                byte b;
                ByteArrayOutputStream baos = null;
                while ((b = in.readByte()) != 0) {

                    if (baos == null) {
                        baos = new ByteArrayOutputStream();
                    } else if (baos.size() > MAX_DATA_LENGTH) {
                        throw new ProtocolException("The maximum data length was exceeded", true);
                    }

                    baos.write(b);
                }

                if (baos != null) {
                    baos.close();
                    data = baos.toByteArray();
                }

            }

            return new StompFrame(action, headers, data);
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    }

    private String readLine(DataInput in, int maxLength, String errorMessage) throws IOException {
        byte b;
        ByteArrayOutputStream baos = new ByteArrayOutputStream(maxLength);
        while ((b = in.readByte()) != '\n') {
            if (baos.size() > maxLength) {
                throw new ProtocolException(errorMessage, true);
            }
            baos.write(b);
        }
        baos.close();
        ByteSequence sequence = baos.toByteSequence();
        return new String(sequence.getData(), sequence.getOffset(), sequence.getLength(), "UTF-8");
    }
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    public void storeContent() {
        ByteSequence bodyAsBytes = getContent();
        if (bodyAsBytes == null && object != null) {
            try {
                ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
                OutputStream os = bytesOut;
                ActiveMQConnection connection = getConnection();
                if (connection != null && connection.isUseCompression()) {
                    compressed = true;
                    os = new DeflaterOutputStream(os);
                }
                DataOutputStream dataOut = new DataOutputStream(os);
                ObjectOutputStream objOut = new ObjectOutputStream(dataOut);
                objOut.writeObject(object);
                objOut.flush();
                objOut.reset();
                objOut.close();
                setContent(bytesOut.toByteSequence());
            } catch (IOException ioe) {
                throw new RuntimeException(ioe.getMessage(), ioe);
            }
        }
    }
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    }

    private void initializeWriting() throws JMSException {
        checkReadOnlyBody();
        if (this.dataOut == null) {
            this.bytesOut = new ByteArrayOutputStream();
            OutputStream os = bytesOut;
            ActiveMQConnection connection = getConnection();
            if (connection != null && connection.isUseCompression()) {
                // keep track of the real length of the content if
                // we are compressed.
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                    // checkSession(connection);

                    // Create a String for the UTF content
                    receiveCounter++;
                    InputStream is = connection.getInputStream();
                    ByteArrayOutputStream baos = new ByteArrayOutputStream(connection.getContentLength() > 0 ? connection.getContentLength() : 1024);
                    int c = 0;
                    while ((c = is.read()) >= 0) {
                        baos.write(c);
                    }
                    ByteSequence sequence = baos.toByteSequence();
                    String data = new String(sequence.data, sequence.offset, sequence.length, "UTF-8");

                    Command command = (Command)getTextWireFormat().unmarshalText(data);

                    if (command == null) {
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    public void storeContent() {
        ByteSequence bodyAsBytes = getContent();
        if (bodyAsBytes == null && object != null) {
            try {
                ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
                OutputStream os = bytesOut;
                ActiveMQConnection connection = getConnection();
                if (connection != null && connection.isUseCompression()) {
                    compressed = true;
                    os = new DeflaterOutputStream(os);
                }
                DataOutputStream dataOut = new DataOutputStream(os);
                ObjectOutputStream objOut = new ObjectOutputStream(dataOut);
                objOut.writeObject(object);
                objOut.flush();
                objOut.reset();
                objOut.close();
                setContent(bytesOut.toByteSequence());
            } catch (IOException ioe) {
                throw new RuntimeException(ioe.getMessage(), ioe);
            }
        }
    }
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    }

    public void beforeMarshall(WireFormat wireFormat) throws IOException {
        // Need to marshal the properties.
        if (marshalledProperties == null && properties != null) {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            DataOutputStream os = new DataOutputStream(baos);
            MarshallingSupport.marshalPrimitiveMap(properties, os);
            os.close();
            marshalledProperties = baos.toByteSequence();
        }
    }
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    public void beforeMarshall(WireFormat wireFormat) throws IOException {
        super.beforeMarshall(wireFormat);

        ByteSequence content = getContent();
        if (content == null && text != null) {
            ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
            OutputStream os = bytesOut;
            ActiveMQConnection connection = getConnection();
            if (connection != null && connection.isUseCompression()) {
                compressed = true;
                os = new DeflaterOutputStream(os);
            }
            DataOutputStream dataOut = new DataOutputStream(os);
            MarshallingSupport.writeUTF8(dataOut, this.text);
            dataOut.close();
            setContent(bytesOut.toByteSequence());
            //see https://issues.apache.org/activemq/browse/AMQ-2103
            this.text=null;
        }
    }
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    }

    public void beforeMarshall(WireFormat wireFormat) throws IOException {
        // Need to marshal the properties.
        if (marshalledProperties == null && properties != null) {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            DataOutputStream os = new DataOutputStream(baos);
            MarshallingSupport.marshalPrimitiveMap(properties, os);
            os.close();
            marshalledProperties = baos.toByteSequence();
        }
    }
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Related Classes of org.apache.activemq.util.ByteArrayOutputStream

  • org.apache.activemq.broker.util.UDPTraceBrokerPlugin
  • org.apache.activemq.command.ActiveMQBytesMessage
  • org.apache.activemq.command.ActiveMQMapMessage
  • org.apache.activemq.command.ActiveMQObjectMessage
  • org.apache.activemq.command.ActiveMQStreamMessage
  • org.apache.activemq.command.ActiveMQTextMessage
  • org.apache.activemq.command.ActiveMQTextMessageTest
  • org.apache.activemq.command.Message
  • org.apache.activemq.command.WireFormatInfo
  • org.apache.activemq.openwire.v1.MessageTestSupport
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