/**
* 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.qpid.proton.jms;
import org.apache.qpid.proton.amqp.Binary;
import org.apache.qpid.proton.amqp.messaging.Section;
import org.apache.qpid.proton.amqp.messaging.*;
import javax.jms.*;
import java.io.Serializable;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* @author <a href="http://hiramchirino.com">Hiram Chirino</a>
*/
public class JMSMappingInboundTransformer extends InboundTransformer {
public JMSMappingInboundTransformer(JMSVendor vendor) {
super(vendor);
}
@Override
public Message transform(EncodedMessage amqpMessage) throws Exception {
org.apache.qpid.proton.message.Message amqp = amqpMessage.decode();
Message rc;
final Section body = amqp.getBody();
if( body == null ) {
rc = vendor.createMessage();
} else if( body instanceof Data ) {
Binary d = ((Data) body).getValue();
BytesMessage m = vendor.createBytesMessage();
m.writeBytes(d.getArray(), d.getArrayOffset(), d.getLength());
rc = m;
} else if (body instanceof AmqpSequence ) {
AmqpSequence sequence = (AmqpSequence) body;
StreamMessage m = vendor.createStreamMessage();
for( Object item : sequence.getValue()) {
m.writeObject(item);
}
rc = m;
} else if (body instanceof AmqpValue) {
Object value = ((AmqpValue) body).getValue();
if( value == null ) {
rc = vendor.createObjectMessage();
} if( value instanceof String ) {
TextMessage m = vendor.createTextMessage();
m.setText((String) value);
rc = m;
} else if( value instanceof Binary ) {
Binary d = (Binary) value;
BytesMessage m = vendor.createBytesMessage();
m.writeBytes(d.getArray(), d.getArrayOffset(), d.getLength());
rc = m;
} else if( value instanceof List) {
StreamMessage m = vendor.createStreamMessage();
for( Object item : (List) value) {
m.writeObject(item);
}
rc = m;
} else if( value instanceof Map) {
MapMessage m = vendor.createMapMessage();
final Set<Map.Entry<String, Object>> set = ((Map) value).entrySet();
for (Map.Entry<String, Object> entry : set) {
m.setObject(entry.getKey(), entry.getValue());
}
rc = m;
} else {
ObjectMessage m = vendor.createObjectMessage();
m.setObject((Serializable) value);
rc = m;
}
} else {
throw new RuntimeException("Unexpected body type: "+body.getClass());
}
rc.setJMSDeliveryMode(defaultDeliveryMode);
rc.setJMSPriority(defaultPriority);
rc.setJMSExpiration(defaultTtl);
populateMessage(rc, amqp);
rc.setLongProperty(prefixVendor + "MESSAGE_FORMAT", amqpMessage.getMessageFormat());
rc.setBooleanProperty(prefixVendor + "NATIVE", false);
return rc;
}
}