Package org.fusesource.hawtbuf

Examples of org.fusesource.hawtbuf.DataByteArrayOutputStream

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    private Codec<String> keyCodec = new StringCodec();
    private Codec<DefaultExchangeHolder> exchangeCodec = new ObjectCodec<DefaultExchangeHolder>();

    public Buffer marshallKey(String key) throws IOException {
        DataByteArrayOutputStream baos = new DataByteArrayOutputStream();
        keyCodec.encode(key, baos);
        return baos.toBuffer();
    }
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        String key = keyCodec.decode(bais);
        return key;
    }

    public Buffer marshallExchange(CamelContext camelContext, Exchange exchange) throws IOException {
        DataByteArrayOutputStream baos = new DataByteArrayOutputStream();
        // use DefaultExchangeHolder to marshal to a serialized object
        DefaultExchangeHolder pe = DefaultExchangeHolder.marshal(exchange, false);
        // add the aggregated size and timeout property as the only properties we want to retain
        DefaultExchangeHolder.addProperty(pe, Exchange.AGGREGATED_SIZE, exchange.getProperty(Exchange.AGGREGATED_SIZE, Integer.class));
        DefaultExchangeHolder.addProperty(pe, Exchange.AGGREGATED_TIMEOUT, exchange.getProperty(Exchange.AGGREGATED_TIMEOUT, Long.class));
        // add the aggregated completed by property to retain
        DefaultExchangeHolder.addProperty(pe, Exchange.AGGREGATED_COMPLETED_BY, exchange.getProperty(Exchange.AGGREGATED_COMPLETED_BY, String.class));
        // add the aggregated correlation key property to retain
        DefaultExchangeHolder.addProperty(pe, Exchange.AGGREGATED_CORRELATION_KEY, exchange.getProperty(Exchange.AGGREGATED_CORRELATION_KEY, String.class));
        // persist the from endpoint as well
        if (exchange.getFromEndpoint() != null) {
            DefaultExchangeHolder.addProperty(pe, "CamelAggregatedFromEndpoint", exchange.getFromEndpoint().getEndpointUri());
        }
        exchangeCodec.encode(pe, baos);
        return baos.toBuffer();
    }
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    }

    public static String propertiesToString(Properties props) throws IOException {
        String result = "";
        if (props != null) {
            DataByteArrayOutputStream dataOut = new DataByteArrayOutputStream();
            props.store(dataOut, "");
            result = new String(dataOut.getData(), 0, dataOut.size());
            dataOut.close();
        }
        return result;
    }
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     * @param xid
     * @return
     */
    public static Buffer toBuffer(Xid xid) {
        XidImpl x = new XidImpl(xid);
        DataByteArrayOutputStream baos = new DataByteArrayOutputStream(x.getMemorySize());
        try {
            x.writebody(baos);
        } catch (IOException e) {
            //Shouldn't happen:
            throw new RuntimeException(e);
        }
        return baos.toBuffer();

    }
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                    }
                    HashSet<String> mechanisims = new HashSet<String>(Arrays.asList(sasl.getRemoteMechanisms()));
                    if (!authSent && !mechanisims.isEmpty()) {
                        if (mechanisims.contains("PLAIN")) {
                            authSent = true;
                            DataByteArrayOutputStream os = new DataByteArrayOutputStream();
                            try {
                                os.writeByte(0);
                                os.write(new UTF8Buffer(options.getUser()));
                                os.writeByte(0);
                                if (options.getPassword() != null) {
                                    os.write(new UTF8Buffer(options.getPassword()));
                                }
                            } catch (IOException e) {
                                throw new RuntimeException(e);
                            }
                            Buffer buffer = os.toBuffer();
                            sasl.setMechanisms(new String[]{"PLAIN"});
                            sasl.send(buffer.data, buffer.offset, buffer.length);
                        } else if (mechanisims.contains("ANONYMOUS")) {
                            authSent = true;
                            sasl.setMechanisms(new String[]{"ANONYMOUS"});
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                        if (!mechanisims.contains("PLAIN")) {
                            next.onFailure(Support.illegalState("Remote does not support plain password authentication."));
                            return null;
                        }
                        authSent = true;
                        DataByteArrayOutputStream os = new DataByteArrayOutputStream();
                        try {
                            os.write(new UTF8Buffer(options.getUser()));
                            os.writeByte(0);
                            if (options.getPassword() != null) {
                                os.write(new UTF8Buffer(options.getPassword()));
                                os.writeByte(0);
                            }
                        } catch (IOException e) {
                            throw new RuntimeException(e);
                        }
                        Buffer buffer = os.toBuffer();
                        sasl.setMechanisms(new String[]{"PLAIN"});
                        sasl.send(buffer.data, buffer.offset, buffer.length);
                    }
                    return sasl;
                }
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        return this;
    }
   
    public MQTTFrame encode() {
        try {
            DataByteArrayOutputStream os = new DataByteArrayOutputStream();
            QoS qos = qos();
            if(qos != QoS.AT_MOST_ONCE) {
                os.writeShort(messageId);
            }
            for(Topic topic: topics) {
                MessageSupport.writeUTF(os, topic.name());
                os.writeByte(topic.qos().ordinal());
            }

            MQTTFrame frame = new MQTTFrame();
            frame.header(header());
            frame.commandType(TYPE);
            return frame.buffer(os.toBuffer());
        } catch (IOException e) {
            throw new RuntimeException("The impossible happened");
        }
    }
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        return this;
    }
   
    public MQTTFrame encode() {
        try {
            DataByteArrayOutputStream os = new DataByteArrayOutputStream();
            QoS qos = qos();
            if(qos != QoS.AT_MOST_ONCE) {
                os.writeShort(messageId);
            }
            for(UTF8Buffer topic: topics) {
                MessageSupport.writeUTF(os, topic);
            }

            MQTTFrame frame = new MQTTFrame();
            frame.header(header());
            frame.commandType(TYPE);
            return frame.buffer(os.toBuffer());
        } catch (IOException e) {
            throw new RuntimeException("The impossible happened");
        }
    }
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        return this;
    }
   
    public MQTTFrame encode() {
        try {
            DataByteArrayOutputStream os = new DataByteArrayOutputStream(2+grantedQos.length);
            os.writeShort(messageId);
            os.write(grantedQos);

            MQTTFrame frame = new MQTTFrame();
            frame.commandType(TYPE);
            return frame.buffer(os.toBuffer());
        } catch (IOException e) {
            throw new RuntimeException("The impossible happened");
        }
    }
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    public MQTTFrame encode() {
        try {
            if( (clientId==null || clientId.length == 0) && !cleanSession ) {
                throw new IllegalArgumentException("A clean session must be used when no clientId is specified");
            }
            DataByteArrayOutputStream os = new DataByteArrayOutputStream(500);
            if(version==3) {
                MessageSupport.writeUTF(os, V3_PROTOCOL_NAME);
                os.writeByte(version);
            } else if(version >= 4) {
                MessageSupport.writeUTF(os, V4_PROTOCOL_NAME);
                os.writeByte(version);
            } else {
                throw new IllegalArgumentException("Invalid version: "+version);
            }

            int flags = 0;
            if(userName!=null) {
                flags |= 0x80;
            }
            if(password!=null) {
                flags |= 0x40;
            }
            if(willTopic!=null && willMessage!=null) {
                flags |= 0x04;
                if(willRetain) {
                    flags |= 0x20;
                }
                flags |= (willQos << 3) & 0x18;
            }
            if(cleanSession) {
                flags |= 0x02;
            }
            os.writeByte(flags);
            os.writeShort(keepAlive);
            MessageSupport.writeUTF(os, clientId);
            if(willTopic!=null && willMessage!=null) {
                MessageSupport.writeUTF(os, willTopic);
                MessageSupport.writeUTF(os, willMessage);
            }
            if(userName!=null) {
                MessageSupport.writeUTF(os, userName);
            }
            if(password!=null) {
                MessageSupport.writeUTF(os, password);
            }

            MQTTFrame frame = new MQTTFrame();
            frame.commandType(TYPE);
            return frame.buffer(os.toBuffer());
        } catch (IOException e) {
            throw new RuntimeException("The impossible happened");
        }
    }
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