@Override
public ActiveMQMessage convertFrame(ProtocolConverter converter, StompFrame command)
throws JMSException, ProtocolException {
Map<String, String> headers = command.getHeaders();
ActiveMQMessage msg;
String transformation = headers.get(Headers.TRANSFORMATION);
if (headers.containsKey(Headers.CONTENT_LENGTH)
|| transformation.equals(Transformations.JMS_BYTE.toString())) {
msg = super.convertFrame(converter, command);
} else {
HierarchicalStreamReader in;
try {
String text = new String(command.getContent(), "UTF-8");
switch (Transformations.getValue(transformation)) {
case JMS_OBJECT_XML:
in = new XppReader(new StringReader(text), XppFactory.createDefaultParser());
msg = createObjectMessage(in);
break;
case JMS_OBJECT_JSON:
in = new JettisonMappedXmlDriver().createReader(new StringReader(text));
msg = createObjectMessage(in);
break;
case JMS_MAP_XML:
in = new XppReader(new StringReader(text), XppFactory.createDefaultParser());
msg = createMapMessage(in);
break;
case JMS_MAP_JSON:
in = new JettisonMappedXmlDriver().createReader(new StringReader(text));
msg = createMapMessage(in);
break;
default:
throw new Exception("Unkown transformation: " + transformation);
}
} catch (Throwable e) {
command.getHeaders().put(Headers.TRANSFORMATION_ERROR, e.getMessage());
msg = super.convertFrame(converter, command);
}
}
copyStandardHeadersFromFrameToMessage(converter, command, msg, this);
return msg;
}