org.apache.activemq.artemis.protocol.amqp.converter.ProtonMessageConverter.java Source code

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Here is the source code for org.apache.activemq.artemis.protocol.amqp.converter.ProtonMessageConverter.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.activemq.artemis.protocol.amqp.converter;

import static org.apache.activemq.artemis.protocol.amqp.converter.message.AMQPMessageSupport.JMS_AMQP_NATIVE;

import java.io.IOException;

import javax.jms.BytesMessage;

import org.apache.activemq.artemis.core.client.ActiveMQClientLogger;
import org.apache.activemq.artemis.core.server.ServerMessage;
import org.apache.activemq.artemis.protocol.amqp.converter.jms.ServerJMSBytesMessage;
import org.apache.activemq.artemis.protocol.amqp.converter.jms.ServerJMSMessage;
import org.apache.activemq.artemis.protocol.amqp.converter.message.AMQPMessageSupport;
import org.apache.activemq.artemis.protocol.amqp.converter.message.AMQPNativeOutboundTransformer;
import org.apache.activemq.artemis.protocol.amqp.converter.message.EncodedMessage;
import org.apache.activemq.artemis.protocol.amqp.converter.message.InboundTransformer;
import org.apache.activemq.artemis.protocol.amqp.converter.message.JMSMappingInboundTransformer;
import org.apache.activemq.artemis.protocol.amqp.converter.message.JMSMappingOutboundTransformer;
import org.apache.activemq.artemis.protocol.amqp.converter.message.OutboundTransformer;
import org.apache.activemq.artemis.protocol.amqp.util.NettyWritable;
import org.apache.activemq.artemis.spi.core.protocol.MessageConverter;
import org.apache.activemq.artemis.utils.IDGenerator;
import org.apache.qpid.proton.codec.WritableBuffer;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;

public class ProtonMessageConverter implements MessageConverter {

    public ProtonMessageConverter(IDGenerator idGenerator) {
        inboundTransformer = new JMSMappingInboundTransformer(idGenerator);
        outboundTransformer = new JMSMappingOutboundTransformer(idGenerator);
    }

    private final InboundTransformer inboundTransformer;
    private final OutboundTransformer outboundTransformer;

    @Override
    public ServerMessage inbound(Object messageSource) throws Exception {
        EncodedMessage encodedMessageSource = (EncodedMessage) messageSource;
        ServerJMSMessage transformedMessage = null;

        try {
            transformedMessage = inboundTransformer.transform(encodedMessageSource);
        } catch (Exception e) {
            ActiveMQClientLogger.LOGGER.debug("Transform of message using [{}] transformer, failed"
                    + inboundTransformer.getTransformerName());
            ActiveMQClientLogger.LOGGER.trace("Transformation error:", e);

            throw new IOException("Failed to transform incoming delivery, skipping.");
        }

        transformedMessage.encode();

        return (ServerMessage) transformedMessage.getInnerMessage();
    }

    @Override
    public Object outbound(ServerMessage messageOutbound, int deliveryCount) throws Exception {
        // Useful for testing but not recommended for real life use.
        ByteBuf nettyBuffer = Unpooled.buffer(1024);
        NettyWritable buffer = new NettyWritable(nettyBuffer);
        long messageFormat = (long) outbound(messageOutbound, deliveryCount, buffer);

        EncodedMessage encoded = new EncodedMessage(messageFormat, nettyBuffer.array(),
                nettyBuffer.arrayOffset() + nettyBuffer.readerIndex(), nettyBuffer.readableBytes());

        return encoded;
    }

    public Object outbound(ServerMessage messageOutbound, int deliveryCount, WritableBuffer buffer)
            throws Exception {
        ServerJMSMessage jmsMessage = AMQPMessageSupport.wrapMessage(messageOutbound.getType(), messageOutbound,
                deliveryCount);

        jmsMessage.decode();

        if (jmsMessage.getBooleanProperty(JMS_AMQP_NATIVE)) {
            if (jmsMessage instanceof BytesMessage) {
                return AMQPNativeOutboundTransformer.transform(outboundTransformer,
                        (ServerJMSBytesMessage) jmsMessage, buffer);
            } else {
                return 0;
            }
        } else {
            return outboundTransformer.transform(jmsMessage, buffer);
        }
    }
}